diff --git a/composer.json b/composer.json
index b541a38..e4499f4 100644
--- a/composer.json
+++ b/composer.json
@@ -10,10 +10,10 @@
         }
     ],
     "require-dev": {
-      "opencart/opencart" : "2.3.0.2",
+      "opencart/opencart" : "3.0.2.0",
       "vlucas/phpdotenv": "~1.1.0",
-      "phpunit/phpunit" : "~4.0",
-      "beyondit/opencart-test-suite": "~2.3.0",
+      "phpunit/phpunit" : "^6",
+      "beyondit/opencart-test-suite": "~3.0",
       "consolidation/robo": "~1",
       "henrikbjorn/lurker": "^1.2"
     },
diff --git a/src/upload/admin/controller/extension/module/retailcrm.php b/src/upload/admin/controller/extension/module/retailcrm.php
index 8a11213..7be03e2 100644
--- a/src/upload/admin/controller/extension/module/retailcrm.php
+++ b/src/upload/admin/controller/extension/module/retailcrm.php
@@ -9,19 +9,7 @@
  * @license  https://opensource.org/licenses/MIT MIT License
  * @link     http://www.retailcrm.ru/docs/Developers/ApiVersion5
  */
-class ControllerExtensionModuleRetailcrm extends Controller
-{
-    private $_error = array();
-    protected $log, $statuses, $payments, $deliveryTypes, $retailcrmApiClient, $moduleTitle, $tokenTitle;
-    public $children, $template;
-
-    public function __construct($registry)
-    {
-        parent::__construct($registry);
-        $this->load->library('retailcrm/retailcrm');
-        $this->moduleTitle = $this->retailcrm->getModuleTitle();
-        $this->tokenTitle = $this->retailcrm->getTokenTitle();
-    }
+class ControllerExtensionModuleRetailcrm extends Controller {
 
     /**
      * Install method
@@ -33,10 +21,10 @@ class ControllerExtensionModuleRetailcrm extends Controller
         $this->load->model('setting/setting');
 
         $this->model_setting_setting->editSetting(
-            $this->moduleTitle,
+            \Retailcrm\Retailcrm::MODULE,
             array(
-                $this->moduleTitle . '_status' => 1,
-                $this->moduleTitle . '_country' => array($this->config->get('config_country_id'))
+                \Retailcrm\Retailcrm::MODULE . '_status' => 1,
+                \Retailcrm\Retailcrm::MODULE . '_country' => array($this->config->get('config_country_id'))
             )
         );
 
@@ -53,8 +41,8 @@ class ControllerExtensionModuleRetailcrm extends Controller
         $this->uninstall_collector();
         $this->load->model('setting/setting');
         $this->model_setting_setting->editSetting(
-            $this->moduleTitle,
-            array($this->moduleTitle . '_status' => 0)
+            \Retailcrm\Retailcrm::MODULE,
+            array(\Retailcrm\Retailcrm::MODULE . '_status' => 0)
         );
         $this->model_setting_setting->deleteSetting('retailcrm_history');
         $this->deleteEvents();
@@ -66,12 +54,14 @@ class ControllerExtensionModuleRetailcrm extends Controller
      * @return void
      */
     public function install_collector()
-    {   
-        $collector = $this->getCollectorTitle();
-        $this->loadModels();
+    {
         $this->load->model('setting/setting');
-        $this->{'model_' . $this->modelExtension}->install('analytics', 'daemon_collector');
-        $this->model_setting_setting->editSetting($collector, array($collector . '_status' => 1));
+        $this->load->model('setting/extension');
+        $this->model_setting_extension->install('analytics', 'daemon_collector');
+        $this->model_setting_setting->editSetting(
+            'analytics_daemon_collector',
+            array('analytics_daemon_collector_status' => 1)
+        );
     }
 
     /**
@@ -80,12 +70,14 @@ class ControllerExtensionModuleRetailcrm extends Controller
      * @return void
      */
     public function uninstall_collector()
-    {   
-        $collector = $this->getCollectorTitle();
-        $this->loadModels();
+    {
         $this->load->model('setting/setting');
-        $this->model_setting_setting->editSetting($collector, array($collector . '_status' => 0));
-        $this->{'model_' . $this->modelExtension}->uninstall('analytics', 'daemon_collector');
+        $this->load->model('setting/extension');
+        $this->model_setting_setting->editSetting(
+            'analytics_daemon_collector',
+            array('analytics_daemon_collector_status' => 0)
+        );
+        $this->model_setting_extension->uninstall('analytics', 'daemon_collector');
     }
 
     /**
@@ -95,7 +87,9 @@ class ControllerExtensionModuleRetailcrm extends Controller
      */
     public function index()
     {
-        $this->loadModels();
+        $this->load->library('retailcrm/retailcrm');
+        $this->load->model('setting/extension');
+        $this->load->model('setting/event');
         $this->load->model('localisation/country');
         $this->load->model('setting/setting');
         $this->load->model('extension/retailcrm/references');
@@ -103,8 +97,9 @@ class ControllerExtensionModuleRetailcrm extends Controller
         $this->document->setTitle($this->language->get('heading_title'));
         $this->document->addStyle('/admin/view/stylesheet/retailcrm.css');
 
-        $collector = $this->getCollectorTitle();
         $history_setting = $this->model_setting_setting->getSetting('retailcrm_history');
+        $retailcrm_api_client = $this->retailcrm->getApiClient();
+        $opencart_api_client = $this->retailcrm->getOcApiClient($this->registry);
 
         if ($this->request->server['REQUEST_METHOD'] == 'POST' && $this->validate()) {
             if ($this->checkEvents() === false) {
@@ -112,81 +107,49 @@ class ControllerExtensionModuleRetailcrm extends Controller
                 $this->addEvents();
             }
 
-            $analytics = $this->{'model_' . $this->modelExtension}->getInstalled('analytics');
+            $analytics = $this->model_setting_extension->getInstalled('analytics');
 
-            if ($this->request->post[$this->moduleTitle . '_collector_active'] == 1
-                && !in_array($collector, $analytics)
+            if ($this->request->post[\Retailcrm\Retailcrm::MODULE . '_collector_active'] == 1
+                && !in_array('analytics_daemon_collector', $analytics)
             ) {
                 $this->install_collector();
-            } elseif ($this->request->post[$this->moduleTitle . '_collector_active'] == 0
-                && in_array($collector, $analytics)
+            } elseif ($this->request->post[\Retailcrm\Retailcrm::MODULE . '_collector_active'] == 0
+                && in_array('analytics_daemon_collector', $analytics)
             ) {
                 $this->uninstall_collector();
             }
 
-            if (parse_url($this->request->post[$this->moduleTitle . '_url'])) {
-                $crm_url = parse_url($this->request->post[$this->moduleTitle . '_url'], PHP_URL_HOST);
-                $this->request->post[$this->moduleTitle . '_url'] = 'https://' . $crm_url;
+            if (parse_url($this->request->post[\Retailcrm\Retailcrm::MODULE . '_url'])) {
+                $crm_url = parse_url($this->request->post[\Retailcrm\Retailcrm::MODULE . '_url'], PHP_URL_HOST);
+                $this->request->post[\Retailcrm\Retailcrm::MODULE . '_url'] = 'https://' . $crm_url;
             }
 
-            if (isset($this->request->post[$this->moduleTitle . '_custom_field_active'])
-                && $this->request->post[$this->moduleTitle . '_custom_field_active'] == 0
+            if (isset($this->request->post[\Retailcrm\Retailcrm::MODULE . '_custom_field_active'])
+                && $this->request->post[\Retailcrm\Retailcrm::MODULE . '_custom_field_active'] == 0
             ) {
-                unset($this->request->post[$this->moduleTitle . '_custom_field']);
+                unset($this->request->post[\Retailcrm\Retailcrm::MODULE . '_custom_field']);
             }
 
             $this->model_setting_setting->editSetting(
-                $this->moduleTitle,
+                \Retailcrm\Retailcrm::MODULE,
                 $this->request->post
             );
 
-            if ($this->request->post[$this->moduleTitle . '_apiversion'] != 'v3') {
-                if (!isset($history_setting['retailcrm_history_orders']) && !isset($history_setting['retailcrm_history_customers'])) {
-                    $api = $this->retailcrm->getApiClient(
-                        $this->request->post[$this->moduleTitle . '_url'],
-                        $this->request->post[$this->moduleTitle . '_apikey'],
-                        $this->request->post[$this->moduleTitle . '_apiversion']
-                    );
+            if (!isset($history_setting['retailcrm_history_orders'])
+                && !isset($history_setting['retailcrm_history_customers'])
+            ) {
+                $api = $this->retailcrm->getApiClient(
+                    $this->request->post[\Retailcrm\Retailcrm::MODULE . '_url'],
+                    $this->request->post[\Retailcrm\Retailcrm::MODULE . '_apikey'],
+                    $this->request->post[\Retailcrm\Retailcrm::MODULE . '_apiversion']
+                );
 
-                    $ordersHistory = $api->ordersHistory();
-
-                    if ($ordersHistory->isSuccessful() && !empty($ordersHistory['history'])) {
-                        $ordersHistory = $api->ordersHistory(array(), $ordersHistory['pagination']['totalPageCount']);
-
-                        if ($ordersHistory->isSuccessful()) {
-                            $ordersHistoryArr = $ordersHistory['history'];
-                            $lastChangeOrders = end($ordersHistoryArr);
-                            $sinceIdOrders = $lastChangeOrders['id'];
-                            $generatedAt = $ordersHistory['generatedAt'];
-                        }
-                    }
-
-                    $customersHistory = $api->customersHistory();
-
-                    if ($customersHistory->isSuccessful() && !empty($customersHistory['history'])) {
-                        $customersHistory = $api->customersHistory(array(), $customersHistory['pagination']['totalPageCount']);
-
-                        if ($customersHistory->isSuccessful()) {
-                            $customersHistoryArr = $customersHistory['history'];
-                            $lastChangeCustomers = end($customersHistoryArr);
-                            $sinceIdCustomers = $lastChangeCustomers['id'];
-                        }
-                    }
-
-                    $this->model_setting_setting->editSetting(
-                        'retailcrm_history', 
-                        array(
-                            'retailcrm_history_orders' => isset($sinceIdOrders) ? $sinceIdOrders : 1,
-                            'retailcrm_history_customers' => isset($sinceIdCustomers) ? $sinceIdCustomers : 1,
-                            'retailcrm_history_datetime' => isset($generatedAt) ? $generatedAt : date('Y-m-d H:i:s')
-                        )
-                    );
-                }
+                $this->getHistory($api);
             }
 
             $this->session->data['success'] = $this->language->get('text_success');
             $redirect = $this->url->link(
-                'extension/module/retailcrm', $this->tokenTitle . '=' . $this->session->data[$this->tokenTitle],
+                'extension/module/retailcrm', 'user_token=' . $this->session->data['user_token'],
                 'SSL'
             );
 
@@ -254,48 +217,34 @@ class ControllerExtensionModuleRetailcrm extends Controller
             'text_order_number'
         );
 
-        $_data = &$data;
-
         foreach ($text_strings as $text) {
             $_data[$text] = $this->language->get($text);
         }
 
         $_data['retailcrm_errors'] = array();
         $_data['saved_settings'] = $this->model_setting_setting
-            ->getSetting($this->moduleTitle);
+            ->getSetting(\Retailcrm\Retailcrm::MODULE);
 
-        $url = isset($_data['saved_settings'][$this->moduleTitle . '_url'])
-            ? $_data['saved_settings'][$this->moduleTitle . '_url']
+        $url = isset($_data['saved_settings'][\Retailcrm\Retailcrm::MODULE . '_url'])
+            ? $_data['saved_settings'][\Retailcrm\Retailcrm::MODULE . '_url']
             : null;
-        $key = isset($_data['saved_settings'][$this->moduleTitle . '_apikey'])
-            ? $_data['saved_settings'][$this->moduleTitle . '_apikey']
-            : null;
-        $apiVersion = isset($_data['saved_settings'][$this->moduleTitle . '_apiversion'])
-            ? $_data['saved_settings'][$this->moduleTitle . '_apiversion']
+        $key = isset($_data['saved_settings'][\Retailcrm\Retailcrm::MODULE . '_apikey'])
+            ? $_data['saved_settings'][\Retailcrm\Retailcrm::MODULE . '_apikey']
             : null;
 
         if (!empty($url) && !empty($key)) {
-
             $_data['delivery'] = $this->model_extension_retailcrm_references
-                ->getDeliveryTypes();
+                ->getDeliveryTypes($opencart_api_client ,$retailcrm_api_client);
             $_data['statuses'] = $this->model_extension_retailcrm_references
-                ->getOrderStatuses();
+                ->getOrderStatuses($retailcrm_api_client);
             $_data['payments'] = $this->model_extension_retailcrm_references
-                ->getPaymentTypes();
-            
-            if ($apiVersion == 'v5') {
-                $_data['customFields'] = $this->model_extension_retailcrm_references
-                    ->getCustomFields();
-            }
-
-            if ($apiVersion != 'v3') {
-                $_data['priceTypes'] = $this->model_extension_retailcrm_references
-                    ->getPriceTypes();
-            }
+                ->getPaymentTypes($retailcrm_api_client);
+            $_data['customFields'] = $this->model_extension_retailcrm_references
+                ->getCustomFields($retailcrm_api_client);
         }
 
         $config_data = array(
-            $this->moduleTitle . '_status'
+            \Retailcrm\Retailcrm::MODULE . '_status'
         );
 
         foreach ($config_data as $conf) {
@@ -318,7 +267,7 @@ class ControllerExtensionModuleRetailcrm extends Controller
             'text'      => $this->language->get('text_home'),
             'href'      => $this->url->link(
                 'common/dashboard',
-                $this->tokenTitle . '=' . $this->session->data[$this->tokenTitle], 'SSL'
+                'user_token' . '=' . $this->session->data['user_token'], 'SSL'
             ),
             'separator' => false
         );
@@ -327,7 +276,7 @@ class ControllerExtensionModuleRetailcrm extends Controller
             'text'      => $this->language->get('text_module'),
             'href'      => $this->url->link(
                 'extension/extension',
-                $this->tokenTitle . '=' . $this->session->data[$this->tokenTitle], 'SSL'
+                'user_token' . '=' . $this->session->data['user_token'], 'SSL'
             ),
             'separator' => ' :: '
         );
@@ -336,19 +285,19 @@ class ControllerExtensionModuleRetailcrm extends Controller
             'text'      => $this->language->get('retailcrm_title'),
             'href'      => $this->url->link(
                 'extension/module/retailcrm',
-                $this->tokenTitle . '=' . $this->session->data[$this->tokenTitle], 'SSL'
+                'user_token' . '=' . $this->session->data['user_token'], 'SSL'
             ),
             'separator' => ' :: '
         );
 
         $_data['action'] = $this->url->link(
             'extension/module/retailcrm',
-            $this->tokenTitle . '=' . $this->session->data[$this->tokenTitle], 'SSL'
+            'user_token' . '=' . $this->session->data['user_token'], 'SSL'
         );
 
         $_data['cancel'] = $this->url->link(
-            version_compare(VERSION, '3.0', '<') ? 'extension/extension' : 'marketplace/extension',
-            $this->tokenTitle . '=' . $this->session->data[$this->tokenTitle], 'SSL'
+            'marketplace/extension',
+            'user_token' . '=' . $this->session->data['user_token'], 'SSL'
         );
 
         $_data['modules'] = array();
@@ -361,13 +310,12 @@ class ControllerExtensionModuleRetailcrm extends Controller
 
         $this->load->model('design/layout');
         $_data['layouts'] = $this->model_design_layout->getLayouts();
-
         $_data['header'] = $this->load->controller('common/header');
         $_data['column_left'] = $this->load->controller('common/column_left');
         $_data['footer'] = $this->load->controller('common/footer');
         $_data['countries'] = $this->model_localisation_country->getCountries();
         $_data['catalog'] = $this->request->server['HTTPS'] ? HTTPS_CATALOG : HTTP_CATALOG;
-        $_data[$this->tokenTitle] = $this->request->get[$this->tokenTitle];
+        $_data['user_token'] = $this->request->get['user_token'];
 
         if(file_exists(DIR_SYSTEM . '/cron/export_done')) {
             $_data['export_file'] = false;
@@ -382,11 +330,15 @@ class ControllerExtensionModuleRetailcrm extends Controller
         );
 
         $_data['collectorFields'] = $collectorFields;
-        $_data['api_versions'] = array('v3', 'v4', 'v5');
-        $_data['default_apiversion'] = 'v4';
+        $_data['api_versions'] = array('v5');
+        $_data['default_apiversion'] = 'v5';
 
-        $retailcrmLog = file_exists(DIR_SYSTEM . 'storage/logs/retailcrm.log') ? DIR_SYSTEM . 'storage/logs/retailcrm.log' : false;
-        $ocApiLog = file_exists(DIR_SYSTEM . 'storage/logs/opencartapi.log') ? DIR_SYSTEM . 'storage/logs/opencartapi.log' : false;
+        $retailcrmLog = file_exists(DIR_SYSTEM . 'storage/logs/retailcrm.log')
+            ? DIR_SYSTEM . 'storage/logs/retailcrm.log'
+            : false;
+        $ocApiLog = file_exists(DIR_SYSTEM . 'storage/logs/opencartapi.log')
+            ? DIR_SYSTEM . 'storage/logs/opencartapi.log'
+            : false;
 
         if ($this->checkLogFile($retailcrmLog) !== false) {
             $_data['logs']['retailcrm_log'] = $this->checkLogFile($retailcrmLog);
@@ -400,8 +352,8 @@ class ControllerExtensionModuleRetailcrm extends Controller
             $_data['logs']['oc_error'] = $this->language->get('text_error_log');
         }
 
-        $_data['clear_retailcrm'] = $this->url->link('extension/module/retailcrm/clear_retailcrm', $this->tokenTitle . '=' . $this->session->data[$this->tokenTitle], true);
-        $_data['clear_opencart'] = $this->url->link('extension/module/retailcrm/clear_opencart', $this->tokenTitle . '=' . $this->session->data[$this->tokenTitle], true);
+        $_data['clear_retailcrm'] = $this->url->link('extension/module/retailcrm/clear_retailcrm', 'user_token' . '=' . $this->session->data['user_token'], true);
+        $_data['clear_opencart'] = $this->url->link('extension/module/retailcrm/clear_opencart', 'user_token' . '=' . $this->session->data['user_token'], true);
         $_data['button_clear'] = $this->language->get('button_clear');
 
         $this->response->setOutput(
@@ -417,25 +369,12 @@ class ControllerExtensionModuleRetailcrm extends Controller
      */
     public function history()
     {
-        $this->load->model('setting/setting');
-        $settings = $this->model_setting_setting->getSetting($this->moduleTitle);
-
-        if ($settings[$this->moduleTitle . '_apiversion'] == 'v3') {
-            if (file_exists(DIR_APPLICATION . 'model/extension/retailcrm/custom/history/v3.php')) {
-                $this->load->model('extension/retailcrm/custom/history/v3');
-                $this->model_extension_retailcrm_custom_history_v3->request($this->retailcrm->getApiClient());
-            } else {
-                $this->load->model('extension/retailcrm/history/v3');
-                $this->model_extension_retailcrm_history_v3->request($this->retailcrm->getApiClient());
-            }
+        if (file_exists(DIR_APPLICATION . 'model/extension/retailcrm/custom/history/v4-5.php')) {
+            $this->load->model('extension/retailcrm/custom/history/v4-5');
+            $this->model_extension_retailcrm_custom_history_v4_5->request($this->retailcrm->getApiClient());
         } else {
-            if (file_exists(DIR_APPLICATION . 'model/extension/retailcrm/custom/history/v4-5.php')) {
-                $this->load->model('extension/retailcrm/custom/history/v4-5');
-                $this->model_extension_retailcrm_custom_history_v4_5->request($this->retailcrm->getApiClient());
-            } else {
-                $this->load->model('extension/retailcrm/history/v4_5');
-                $this->model_extension_retailcrm_history_v4_5->request($this->retailcrm->getApiClient());
-            }
+            $this->load->model('extension/retailcrm/history/v4_5');
+            $this->model_extension_retailcrm_history_v4_5->request($this->retailcrm->getApiClient());
         }
     }
 
@@ -464,7 +403,7 @@ class ControllerExtensionModuleRetailcrm extends Controller
      * @return void
      */
     public function customer_edit($route, $customer)
-    {   
+    {
         $this->load->model('localisation/country');
         $this->load->model('localisation/zone');
         $this->load->model('customer/customer');
@@ -487,7 +426,7 @@ class ControllerExtensionModuleRetailcrm extends Controller
                 'postcode' => $address['postcode'],
                 'iso_code_2' => $country['iso_code_2'],
                 'zone' => $zone['name']
-            );    
+            );
         }
 
         $this->load->model('extension/retailcrm/customer');
@@ -514,8 +453,8 @@ class ControllerExtensionModuleRetailcrm extends Controller
 
         if (!isset($data['fromApi'])) {
             $this->load->model('setting/setting');
-            $status = $this->model_setting_setting->getSetting($this->moduleTitle);
-            $data['order_status'] = $status[$this->moduleTitle . '_status'][$data['order_status_id']];
+            $status = $this->model_setting_setting->getSetting(\Retailcrm\Retailcrm::MODULE);
+            $data['order_status'] = $status[\Retailcrm\Retailcrm::MODULE . '_status'][$data['order_status_id']];
 
             $this->load->model('extension/retailcrm/order');
             $this->model_extension_retailcrm_order->uploadOrder($data, $this->retailcrm->getApiClient());
@@ -610,22 +549,20 @@ class ControllerExtensionModuleRetailcrm extends Controller
     private function validate()
     {
         $versionsMap = array(
-            'v3' => '3.0',
-            'v4' => '4.0',
             'v5' => '5.0'
         );
 
-        if (!empty($this->request->post[$this->moduleTitle . '_url']) && !empty($this->request->post[$this->moduleTitle . '_apikey'])) {
+        if (!empty($this->request->post[\Retailcrm\Retailcrm::MODULE . '_url']) && !empty($this->request->post[\Retailcrm\Retailcrm::MODULE . '_apikey'])) {
             $apiClient = $this->retailcrm->getApiClient(
-                $this->request->post[$this->moduleTitle . '_url'],
-                $this->request->post[$this->moduleTitle . '_apikey']
+                $this->request->post[\Retailcrm\Retailcrm::MODULE . '_url'],
+                $this->request->post[\Retailcrm\Retailcrm::MODULE . '_apikey']
             );
         }
 
-        $response = $apiClient->apiVersions();
+        $response = isset($apiClient) ? $apiClient->apiVersions() : false;
 
         if ($response && $response->isSuccessful()) {
-            if (!in_array($versionsMap[$this->request->post[$this->moduleTitle . '_apiversion']], $response['versions'])) {
+            if (!in_array($versionsMap[$this->request->post[\Retailcrm\Retailcrm::MODULE . '_apiversion']], $response['versions'])) {
                 $this->_error['warning'] = $this->language->get('text_error_api');
             }
         } else {
@@ -636,9 +573,9 @@ class ControllerExtensionModuleRetailcrm extends Controller
             $this->_error['warning'] = $this->language->get('error_permission');
         }
 
-        if (isset($this->request->post[$this->moduleTitle . '_collector']['custom']) &&
-            $this->request->post[$this->moduleTitle . '_collector']['custom_form'] == 1) {
-            $customField = $this->request->post[$this->moduleTitle . '_collector']['custom'];
+        if (isset($this->request->post[\Retailcrm\Retailcrm::MODULE . '_collector']['custom']) &&
+            $this->request->post[\Retailcrm\Retailcrm::MODULE . '_collector']['custom_form'] == 1) {
+            $customField = $this->request->post[\Retailcrm\Retailcrm::MODULE . '_collector']['custom'];
 
             if (empty($customField['name']) && empty($customField['email']) && empty($customField['phone'])) {
                 $this->_error['fields'] = $this->language->get('text_error_collector_fields');
@@ -654,7 +591,7 @@ class ControllerExtensionModuleRetailcrm extends Controller
 
     /**
      * Clear retailcrm log file
-     * 
+     *
      * @return void
      */
     public function clear_retailcrm()
@@ -667,12 +604,18 @@ class ControllerExtensionModuleRetailcrm extends Controller
             fclose($handle);
         }
 
-        $this->response->redirect($this->url->link('extension/module/retailcrm', $this->tokenTitle . '=' . $this->session->data[$this->tokenTitle], true));
+        $this->response->redirect(
+            $this->url->link(
+                'extension/module/retailcrm',
+                'user_token' . '=' . $this->session->data['user_token'],
+                true
+            )
+        );
     }
 
     /**
      * Clear opencart API log file
-     * 
+     *
      * @return void
      */
     public function clear_opencart()
@@ -685,54 +628,18 @@ class ControllerExtensionModuleRetailcrm extends Controller
             fclose($handle);
         }
 
-        $this->response->redirect($this->url->link('extension/module/retailcrm', $this->tokenTitle . '=' . $this->session->data[$this->tokenTitle], true));
-    }
-
-    /**
-     * Method for load models
-     * 
-     * @return void
-     */
-    private function loadModels()
-    {
-        if (version_compare(VERSION, '3.0', '<')) {
-            $this->load->model('extension/event');
-            $this->load->model('extension/extension');
-            // $this->load->model('extension/module');
-
-            $this->modelEvent = 'extension_event';
-            $this->modelExtension = 'extension_extension';
-            // $this->modelModule = 'extension_module';
-        } else {
-            $this->load->model('setting/event');
-            $this->load->model('setting/extension');
-            // $this->load->model('setting/module');
-
-            $this->modelEvent = 'setting_event';
-            $this->modelExtension = 'setting_extension';
-            // $this->modelModule = 'setting_module';
-        }
-    }
-
-    /**
-     * Get collector module name
-     * 
-     * @return string
-     */
-    private function getCollectorTitle()
-    {
-        if (version_compare(VERSION, '3.0', '<')) {
-            $title = 'daemon_collector';
-        } else {
-            $title = 'analytics_daemon_collector';
-        }
-
-        return $title;
+        $this->response->redirect(
+            $this->url->link(
+                'extension/module/retailcrm',
+                'user_token' . '=' . $this->session->data['user_token'],
+                true
+            )
+        );
     }
 
     /**
      * Check file size
-     * 
+     *
      * @return string
      */
     private function checkLogFile($file)
@@ -754,51 +661,49 @@ class ControllerExtensionModuleRetailcrm extends Controller
 
     /**
      * Add events to db
-     * 
+     *
      * @return void
      */
     private function addEvents()
     {
-        $this->loadModels();
-
-        $this->{'model_' . $this->modelEvent}
+        $this->model_setting_event
             ->addEvent(
-                $this->moduleTitle,
+                \Retailcrm\Retailcrm::MODULE,
                 'catalog/model/checkout/order/addOrder/after',
                 'extension/module/retailcrm/order_create'
             );
 
-        $this->{'model_' . $this->modelEvent}
+        $this->model_setting_event
             ->addEvent(
-                $this->moduleTitle,
+                \Retailcrm\Retailcrm::MODULE,
                 'catalog/model/checkout/order/addOrderHistory/after',
                 'extension/module/retailcrm/order_edit'
             );
 
-        $this->{'model_' . $this->modelEvent}
+        $this->model_setting_event
             ->addEvent(
-                $this->moduleTitle,
+                \Retailcrm\Retailcrm::MODULE,
                 'catalog/model/account/customer/addCustomer/after',
                 'extension/module/retailcrm/customer_create'
             );
 
-        $this->{'model_' . $this->modelEvent}
+        $this->model_setting_event
             ->addEvent(
-                $this->moduleTitle,
+                \Retailcrm\Retailcrm::MODULE,
                 'catalog/model/account/customer/editCustomer/after',
                 'extension/module/retailcrm/customer_edit'
             );
 
-        $this->{'model_' . $this->modelEvent}
+        $this->model_setting_event
             ->addEvent(
-                $this->moduleTitle,
+                \Retailcrm\Retailcrm::MODULE,
                 'catalog/model/account/address/editAddress/after',
                 'extension/module/retailcrm/customer_edit'
             );
 
-        $this->{'model_' . $this->modelEvent}
+        $this->model_setting_event
             ->addEvent(
-                $this->moduleTitle,
+                \Retailcrm\Retailcrm::MODULE,
                 'admin/model/customer/customer/editCustomer/after',
                 'extension/module/retailcrm/customer_edit'
             );
@@ -806,13 +711,13 @@ class ControllerExtensionModuleRetailcrm extends Controller
 
     /**
      * Check events in db
-     * 
+     *
      * @return boolean
      */
     private function checkEvents()
     {
-        $events = $this->{'model_' . $this->modelEvent}->getEvent(
-            $this->moduleTitle,
+        $events = $this->model_setting_event->getEvent(
+            \Retailcrm\Retailcrm::MODULE,
             'catalog/model/checkout/order/addOrder/after',
             'extension/module/retailcrm/order_create'
         );
@@ -826,17 +731,60 @@ class ControllerExtensionModuleRetailcrm extends Controller
 
     /**
      * Delete events from db
-     * 
+     *
      * @return void
      */
     private function deleteEvents()
     {
-        $this->loadModels();
+        $this->model_setting_event->deleteEventByCode(\Retailcrm\Retailcrm::MODULE);
+    }
 
-        if (version_compare(VERSION, '3.0', '<')) {
-            $this->{'model_' . $this->modelEvent}->deleteEvent($this->moduleTitle);
-        } else {
-            $this->{'model_' . $this->modelEvent}->deleteEventByCode($this->moduleTitle);
+    /**
+     * Getting history for first setting save
+     *
+     * @param $apiClient
+     *
+     * @return void
+     */
+    private function getHistory($apiClient)
+    {
+        $ordersHistoryBegin = $apiClient->ordersHistory();
+
+        if ($ordersHistoryBegin->isSuccessful() && !empty($ordersHistoryBegin['history'])) {
+            $ordersHistoryEnd = $apiClient->ordersHistory(array(),
+                $ordersHistoryBegin['pagination']['totalPageCount']
+            );
+
+            if ($ordersHistoryEnd->isSuccessful()) {
+                $ordersHistoryArr = $ordersHistoryEnd['history'];
+                $lastChangeOrders = end($ordersHistoryArr);
+                $sinceIdOrders = $lastChangeOrders['id'];
+                $generatedAt = $ordersHistoryEnd['generatedAt'];
+            }
         }
+
+        $customersHistoryBegin = $apiClient->customersHistory();
+
+        if ($customersHistoryBegin->isSuccessful() && !empty($customersHistoryBegin['history'])) {
+            $customersHistoryEnd = $apiClient->customersHistory(
+                array(),
+                $customersHistoryBegin['pagination']['totalPageCount']
+            );
+
+            if ($customersHistoryEnd->isSuccessful()) {
+                $customersHistoryArr = $customersHistoryEnd['history'];
+                $lastChangeCustomers = end($customersHistoryArr);
+                $sinceIdCustomers = $lastChangeCustomers['id'];
+            }
+        }
+
+        $this->model_setting_setting->editSetting(
+            'retailcrm_history',
+            array(
+                'retailcrm_history_orders' => isset($sinceIdOrders) ? $sinceIdOrders : 1,
+                'retailcrm_history_customers' => isset($sinceIdCustomers) ? $sinceIdCustomers : 1,
+                'retailcrm_history_datetime' => isset($generatedAt) ? $generatedAt : date('Y-m-d H:i:s')
+            )
+        );
     }
 }
diff --git a/src/upload/admin/model/extension/retailcrm/history/v3.php b/src/upload/admin/model/extension/retailcrm/history/v3.php
deleted file mode 100644
index 25fadb0..0000000
--- a/src/upload/admin/model/extension/retailcrm/history/v3.php
+++ /dev/null
@@ -1,117 +0,0 @@
-<?php
-
-require_once 'v4_5.php';
-
-class ModelExtensionRetailcrmHistoryV3 extends ModelExtensionRetailcrmHistoryV45
-{
-    protected $createResult;
-
-    /**
-     * Getting changes from RetailCRM
-     *
-     * @param \RetailcrmProxy $retailcrmApiClient
-     *
-     * @return boolean
-     */
-    public function request($retailcrmApiClient)
-    {      
-        $moduleTitle = $this->retailcrm->getModuleTitle();
-        $this->load->model('setting/setting');
-        $this->load->model('setting/store');
-        $this->load->model('user/api');
-        $this->load->model('sale/order');
-        $this->load->model('customer/customer');        
-        $this->load->model('extension/retailcrm/references');
-        $this->load->model('catalog/product');
-        $this->load->model('catalog/option');
-        $this->load->model('localisation/zone');
-
-        $this->load->language('extension/module/retailcrm');
-
-        $settings = $this->model_setting_setting->getSetting($moduleTitle);
-        $history = $this->model_setting_setting->getSetting('retailcrm_history');
-        $settings['domain'] = parse_url(HTTP_SERVER, PHP_URL_HOST);
-
-        $url = isset($settings[$moduleTitle . '_url']) ? $settings[$moduleTitle . '_url'] : null;
-        $key = isset($settings[$moduleTitle . '_apikey']) ? $settings[$moduleTitle . '_apikey'] : null;
-
-        if (empty($url) || empty($key)) {
-            $this->log->addNotice('You need to configure retailcrm module first.');
-            return false;
-        }
-
-        $lastRun = !empty($history['retailcrm_history_datetime'])
-            ? new DateTime($history['retailcrm_history_datetime'])
-            : new DateTime(date('Y-m-d H:i:s', strtotime('-1 days', strtotime(date('Y-m-d H:i:s')))));
-
-        $packsOrders = $retailcrmApiClient->ordersHistory($lastRun);
-
-        if(!$packsOrders->isSuccessful() && count($packsOrders['orders']) <= 0) {
-            return false;
-        }
-
-        $generatedAt = $packsOrders['generatedAt'];
-
-        $this->totalTitle = $this->totalTitles();
-        $this->subtotalSettings = $this->model_setting_setting->getSetting($this->totalTitle . 'sub_total');
-        $this->totalSettings = $this->model_setting_setting->getSetting($this->totalTitle . 'total');
-        $this->shippingSettings = $this->model_setting_setting->getSetting($this->totalTitle . 'shipping');
-        $this->delivery = array_flip($settings[$moduleTitle . '_delivery']);
-        $this->payment = array_flip($settings[$moduleTitle . '_payment']);
-        $this->status = array_flip($settings[$moduleTitle . '_status']);
-        $this->payment_default = $settings[$moduleTitle . '_default_payment'];
-        $this->delivery_default = $settings[$moduleTitle . '_default_shipping'];
-        $this->ocPayment = $this->model_extension_retailcrm_references
-            ->getOpercartPaymentTypes();
-
-        $this->ocDelivery = $this->model_extension_retailcrm_references
-            ->getOpercartDeliveryTypes();
-
-        $this->zones = $this->model_localisation_zone->getZones();
-
-        $updatedOrders = array();
-        $newOrders = array();
-        $orders = $packsOrders['orders'];
-
-        foreach ($orders as $order) {
-
-            if (isset($order['deleted'])) {
-                continue;
-            }
-
-            if (isset($order['externalId'])) {
-                $updatedOrders[] = $order['id'];
-            } else {
-                $newOrders[] = $order['id'];
-            }
-        }
-
-        unset($orders);
-
-        if (!empty($newOrders)) {
-            $orders = $retailcrmApiClient->ordersList($filter = array('ids' => $newOrders));
-            if ($orders) {
-                $this->createResult = $this->createOrders($orders['orders']);
-            }
-        }
-
-        if (!empty($updatedOrders)) {
-            $orders = $retailcrmApiClient->ordersList($filter = array('ids' => $updatedOrders));
-            if ($orders) {
-                $this->updateOrders($orders['orders']);
-            }
-        }
-        
-        $this->model_setting_setting->editSetting('retailcrm_history', array('retailcrm_history_datetime' => $generatedAt));
-
-        if (!empty($this->createResult['customers'])) {
-            $retailcrmApiClient->customersFixExternalIds($this->createResult['customers']);
-        }
-
-        if (!empty($this->createResult['orders'])) {
-            $retailcrmApiClient->ordersFixExternalIds($this->createResult['orders']);
-        }
-
-        return true;
-    }
-}
diff --git a/src/upload/admin/model/extension/retailcrm/prices.php b/src/upload/admin/model/extension/retailcrm/prices.php
index 5c6c303..4d56a35 100644
--- a/src/upload/admin/model/extension/retailcrm/prices.php
+++ b/src/upload/admin/model/extension/retailcrm/prices.php
@@ -4,44 +4,32 @@ class ModelExtensionRetailcrmPrices extends Model
 {
     protected $settings;
     protected $moduleTitle;
+
     private $options;
     private $optionValues;
 
     /**
-     * Constructor
-     * 
-     * @param Registry $registry
+     * Upload prices to CRM
+     *
+     * @param array $products
+     * @param \RetailcrmProxy $retailcrm_api_client
+     * @return mixed bool | array
      */
-    public function __construct($registry)
+    public function uploadPrices($products, $retailcrm_api_client)
     {
-        parent::__construct($registry);
-        $this->load->library('retailcrm/retailcrm');
         $this->load->model('catalog/option');
         $this->load->model('setting/setting');
 
-        $this->moduleTitle = $this->retailcrm->getModuleTitle();
-        $this->settings = $this->model_setting_setting->getSetting($this->moduleTitle);
-    }
+        $prices = $this->getPrices($products, $retailcrm_api_client);
 
-    /**
-     * Upload prices to CRM
-     * 
-     * @param array $products
-     * @param \RetailcrmProxy $retailcrmApiClient
-     * @return mixed bool | array
-     */
-    public function uploadPrices($products, $retailcrmApiClient)
-    {
-        $prices = $this->getPrices($products, $retailcrmApiClient);
-
-        if ($retailcrmApiClient === false || !$prices) {
+        if ($retailcrm_api_client === false || !$prices) {
             return false;
         }
 
         $pricesUpload = array_chunk($prices, 250);
 
         foreach ($pricesUpload as $priceUpload) {
-            $retailcrmApiClient->storePricesUpload($priceUpload);
+            $retailcrm_api_client->storePricesUpload($priceUpload);
         }
 
         return $pricesUpload;
@@ -49,18 +37,20 @@ class ModelExtensionRetailcrmPrices extends Model
 
     /**
      * Get prices
-     * 
+     *
      * @param array $products
-     * 
+     *
      * @return mixed
      */
-    protected function getPrices($products, $retailcrmApiClient)
+    protected function getPrices($products, $retailcrm_api_client)
     {
-        $prices = array();
-        $site = $this->getSite($retailcrmApiClient);
+        $settings = $this->model_setting_setting->getSetting(\retailcrm\Retailcrm::MODULE);
 
-        if (!isset($this->settings[$this->moduleTitle . '_special'])
-            || $this->settings[$this->moduleTitle . '_apiversion'] == 'v3'
+        $prices = array();
+        $site = $this->getSite($retailcrm_api_client);
+
+        if (!isset($settings[$this->moduleTitle . '_special'])
+            || $settings[$this->moduleTitle . '_apiversion'] == 'v3'
         ) {
             return false;
         }
@@ -115,7 +105,7 @@ class ModelExtensionRetailcrmPrices extends Model
                     'site' => $site,
                     'prices' => array(
                         array(
-                            'code' => $this->settings[$this->moduleTitle . '_special'],
+                            'code' => $settings[$this->moduleTitle . '_special'],
                             'price' => $productPrice + $optionsValues['price']
                         )
                     )
@@ -128,9 +118,9 @@ class ModelExtensionRetailcrmPrices extends Model
 
     /**
      * Get actual special
-     * 
+     *
      * @param array $specials
-     * 
+     *
      * @return float $productPrice
      */
     private function getSpecialPrice($specials)
@@ -157,10 +147,10 @@ class ModelExtensionRetailcrmPrices extends Model
 
     /**
      * Get data option
-     * 
+     *
      * @param int $optionId
      * @param int $optionValueId
-     * 
+     *
      * @return array
      */
     private function getOptionData($optionId, $optionValueId) {
@@ -191,9 +181,9 @@ class ModelExtensionRetailcrmPrices extends Model
      *
      * @return mixed boolean | string
      */
-    private function getSite($retailcrmApiClient)
+    private function getSite($retailcrm_api_client)
     {
-        $response = $retailcrmApiClient->sitesList();
+        $response = $retailcrm_api_client->sitesList();
 
         if ($response && $response->isSuccessful()) {
             $sites = $response->sites;
diff --git a/src/upload/admin/model/extension/retailcrm/references.php b/src/upload/admin/model/extension/retailcrm/references.php
index 722c499..4aeef5a 100644
--- a/src/upload/admin/model/extension/retailcrm/references.php
+++ b/src/upload/admin/model/extension/retailcrm/references.php
@@ -1,93 +1,72 @@
 <?php
 
-class ModelExtensionRetailcrmReferences extends Model
-{
-    protected $settings;
-    protected $moduleTitle;
-    protected $retailcrmApiClient;
-
-    private $opencartApiClient;
-
-    public function __construct($registry)
-    {
-        parent::__construct($registry);
-        $this->load->model('setting/setting');
-        $this->load->library('retailcrm/retailcrm');
-
-        $this->moduleTitle = $this->retailcrm->getModuleTitle();
-        $this->settings = $this->model_setting_setting->getSetting($this->moduleTitle);
-        $this->retailcrmApiClient = $this->retailcrm->getApiClient();
-    }
+class ModelExtensionRetailcrmReferences extends Model {
 
     /**
      * Get opencart delivery methods
-     * 
+     *
      * @return array
      */
-    public function getOpercartDeliveryTypes()
+    public function getOpercartDeliveryTypes($opencart_api_client)
     {
-        $this->opencartApiClient = $this->retailcrm->getOcApiClient($this->registry);
-
-        return $this->opencartApiClient->getDeliveryTypes();
+        return $opencart_api_client->getDeliveryTypes();
     }
 
     /**
      * Get all delivery types
-     * 
+     *
      * @return array
      */
-    public function getDeliveryTypes()
+    public function getDeliveryTypes($opencart_api_client, $retailcrm_api_client)
     {
-        $this->load->model('setting/store');
-
         return array(
-            'opencart' => $this->getOpercartDeliveryTypes(),
-            'retailcrm' => $this->getApiDeliveryTypes()
+            'opencart' => $this->getOpercartDeliveryTypes($opencart_api_client),
+            'retailcrm' => $this->getApiDeliveryTypes($retailcrm_api_client)
         );
     }
 
     /**
      * Get all statuses
-     * 
+     *
      * @return array
      */
-    public function getOrderStatuses()
+    public function getOrderStatuses($retailcrm_api_client)
     {
         return array(
             'opencart' => $this->getOpercartOrderStatuses(),
-            'retailcrm' => $this->getApiOrderStatuses()
+            'retailcrm' => $this->getApiOrderStatuses($retailcrm_api_client)
         );
     }
 
     /**
      * Get all payment types
-     * 
+     *
      * @return array
      */
-    public function getPaymentTypes()
+    public function getPaymentTypes($retailcrm_api_client)
     {
         return array(
             'opencart' => $this->getOpercartPaymentTypes(),
-            'retailcrm' => $this->getApiPaymentTypes()
+            'retailcrm' => $this->getApiPaymentTypes($retailcrm_api_client)
         );
     }
 
     /**
      * Get all custom fields
-     * 
+     *
      * @return array
      */
-    public function getCustomFields()
+    public function getCustomFields($retailcrm_api_client)
     {
         return array(
             'opencart' => $this->getOpencartCustomFields(),
-            'retailcrm' => $this->getApiCustomFields()
+            'retailcrm' => $this->getApiCustomFields($retailcrm_api_client)
         );
     }
 
     /**
      * Get opencart order statuses
-     * 
+     *
      * @return array
      */
     public function getOpercartOrderStatuses()
@@ -100,7 +79,7 @@ class ModelExtensionRetailcrmReferences extends Model
 
     /**
      * Get opencart payment types
-     * 
+     *
      * @return array
      */
     public function getOpercartPaymentTypes()
@@ -113,7 +92,7 @@ class ModelExtensionRetailcrmReferences extends Model
                 $extension = basename($file, '.php');
 
                 $this->load->language('extension/payment/' . $extension);
-                
+
                 if (version_compare(VERSION, '3.0', '<')) {
                     $configStatus = $extension . '_status';
                 } else {
@@ -133,80 +112,80 @@ class ModelExtensionRetailcrmReferences extends Model
 
     /**
      * Get opencart custom fields
-     * 
+     *
      * @return array
      */
     public function getOpencartCustomFields()
     {
         $this->load->model('customer/custom_field');
-        
+
         return $this->model_customer_custom_field->getCustomFields();
     }
 
     /**
      * Get RetailCRM delivery types
-     * 
+     *
      * @return array
      */
-    public function getApiDeliveryTypes()
+    public function getApiDeliveryTypes($retailcrm_api_client)
     {
-        $response = $this->retailcrmApiClient->deliveryTypesList();
+        $response = $retailcrm_api_client->deliveryTypesList();
 
         return (!$response->isSuccessful()) ? array() : $response->deliveryTypes;
     }
 
     /**
      * Get RetailCRM order statuses
-     * 
+     *
      * @return array
      */
-    public function getApiOrderStatuses()
+    public function getApiOrderStatuses($retailcrm_api_client)
     {
-        $response = $this->retailcrmApiClient->statusesList();
+        $response = $retailcrm_api_client->statusesList();
 
         return (!$response->isSuccessful()) ? array() : $response->statuses;
     }
 
     /**
      * Get RetailCRM payment types
-     * 
+     *
      * @return array
      */
-    public function getApiPaymentTypes()
+    public function getApiPaymentTypes($retailcrm_api_client)
     {
-        $response = $this->retailcrmApiClient->paymentTypesList();
+        $response = $retailcrm_api_client->paymentTypesList();
 
         return (!$response->isSuccessful()) ? array() : $response->paymentTypes;
     }
 
     /**
      * Get RetailCRM custom fields
-     * 
+     *
      * @return array
      */
-    public function getApiCustomFields()
+    public function getApiCustomFields($retailcrm_api_client)
     {
-        $customers = $this->retailcrmApiClient->customFieldsList(array('entity' => 'customer'));
-        $orders = $this->retailcrmApiClient->customFieldsList(array('entity' => 'order'));
+        $customers = $retailcrm_api_client->customFieldsList(array('entity' => 'customer'));
+        $orders = $retailcrm_api_client->customFieldsList(array('entity' => 'order'));
 
-        $customFieldsCustomers = (!$customers->isSuccessful()) ? array() : $customers->customFields;
-        $customFieldsOrders = (!$orders->isSuccessful()) ? array() : $orders->customFields;
+        $custom_fields_customers = (!$customers->isSuccessful()) ? array() : $customers->customFields;
+        $custom_fields_orders = (!$orders->isSuccessful()) ? array() : $orders->customFields;
 
-        if (!$customFieldsCustomers && !$customFieldsOrders) {
+        if (!$custom_fields_customers && !$custom_fields_orders) {
             return array();
         }
-        
-        return array('customers' => $customFieldsCustomers, 'orders' => $customFieldsOrders);
+
+        return array('customers' => $custom_fields_customers, 'orders' => $custom_fields_orders);
     }
 
     /**
      * Get RetailCRM price types
-     * 
+     *
      * @return array
      */
-    public function getPriceTypes()
+    public function getPriceTypes($retailcrm_api_client)
     {
-        $response = $this->retailcrmApiClient->priceTypesList();
+        $response = $retailcrm_api_client->priceTypesList();
 
         return (!$response->isSuccessful()) ? array() : $response->priceTypes;
     }
diff --git a/src/upload/admin/view/template/extension/module/retailcrm.tpl b/src/upload/admin/view/template/extension/module/retailcrm.tpl
deleted file mode 100644
index 5adffdf..0000000
--- a/src/upload/admin/view/template/extension/module/retailcrm.tpl
+++ /dev/null
@@ -1,600 +0,0 @@
-<?php echo $header; ?><?php echo $column_left;?>
-<div id="content">
-  <div class="page-header">
-    <div class="container-fluid">
-      <div class="pull-right">
-        <?php if ($export_file) : ?>
-        <button type="button" id="export" data-toggle="tooltip" title="<?php echo $text_button_export; ?>" class="btn btn-success"><i class="fa fa-download"></i></button>
-        <?php endif; ?> 
-        <button type="button" id="icml" data-toggle="tooltip" title="<?php echo $text_button_catalog; ?>" class="btn btn-success"><i class="fa fa-file-text-o"></i></button>
-        <button type="submit" form="form-retailcrm" data-toggle="tooltip" title="<?php echo $button_save; ?>" class="btn btn-primary"><i class="fa fa-save"></i></button>
-        <a href="<?php echo $cancel; ?>" data-toggle="tooltip" title="<?php echo $button_cancel; ?>" class="btn btn-default"><i class="fa fa-reply"></i></a>
-      </div>
-      <h1><?php echo $heading_title; ?></h1>
-      <ul class="breadcrumb">
-        <?php foreach ($breadcrumbs as $breadcrumb) { ?>
-        <li><a href="<?php echo $breadcrumb['href']; ?>"><?php echo $breadcrumb['text']; ?></a></li>
-        <?php } ?>
-      </ul>
-    </div>
-  </div>
-  <div class="container-fluid">
-    <?php if ($error_warning) : ?>
-    <div class="alert alert-danger">
-      <button type="button" class="close" data-dismiss="alert">&times;</button>
-      <i class="fa fa-exclamation-circle"></i> <?php echo $error_warning; ?>
-    </div>
-    <?php endif; ?>
-    <?php if (isset($saved_settings['retailcrm_url'])): ?>
-    <div class="alert alert-info"><i class="fa fa-exclamation-circle"></i>
-      <button type="button" class="close" data-dismiss="alert">&times;</button>
-      <?php echo $text_notice; ?>
-      <a href="<?php echo $saved_settings['retailcrm_url']; ?>/admin/settings#t-main"><?php echo $saved_settings['retailcrm_url']; ?>/admin/settings#t-main</a>
-    </div>
-    <?php endif; ?>
-    <div class="panel panel-default">
-      <div class="panel-body">
-        <form action="<?php echo $action; ?>" method="post" enctype="multipart/form-data" id="form-retailcrm" class="form-horizontal">
-          <ul class="nav nav-tabs">
-            <li class="active"><a href="#tab-general" data-toggle="tab"><?php echo $general_tab_text; ?></a></li>
-            <?php if (isset($saved_settings['retailcrm_apikey']) && $saved_settings['retailcrm_apikey'] != '' && isset($saved_settings['retailcrm_url']) && $saved_settings['retailcrm_url'] != ''): ?>
-            <li><a href="#tab-references" data-toggle="tab"><?php echo $references_tab_text; ?></a></li>
-            <li><a href="#tab-collector" data-toggle="tab"><?php echo $collector_tab_text; ?></a></li>
-            <?php if ($saved_settings['retailcrm_apiversion'] == 'v5') : ?>
-            <li><a href="#tab-custom_fields" data-toggle="tab"><?php echo $custom_fields_tab_text; ?></a></li>
-            <?php endif; ?>
-            <li><a href="#tab-logs" data-toggle="tab"><?php echo $logs_tab_text; ?></a></li>
-            <?php endif; ?>
-          </ul>
-          <div class="tab-content">
-            <div class="tab-pane active" id="tab-general">
-              <input type="hidden" name="retailcrm_status" value="1">
-              <fieldset>
-                <legend><?php echo $retailcrm_base_settings; ?></legend>
-                <div class="form-group retailcrm_unit">
-                  <label class="col-sm-2 control-label" for="retailcrm_url"><?php echo $retailcrm_apiversion; ?></label>
-                  <div class="col-lg-1 col-md-2 col-sm-2">
-                    <select name="retailcrm_apiversion" class="form-control">
-                      <?php foreach($api_versions as $version) : ?>
-                      <option value="<?php echo $version; ?>" <?php if (isset($saved_settings['retailcrm_apiversion']) && $saved_settings['retailcrm_apiversion'] == $version) echo "selected='selected'"; elseif (!isset($saved_settings['retailcrm_apiversion']) && $default_apiversion == $version) echo "selected='selected'"; ?>><?php echo $version; ?></option>
-                      <?php endforeach ?>
-                    </select>
-                  </div>
-                </div>
-                <div class="form-group retailcrm_unit">
-                  <label class="col-sm-2 control-label" for="retailcrm_url"><?php echo $retailcrm_url; ?></label>
-                  <div class="col-lg-4 col-md-6 col-sm-10">
-                    <input id="retailcrm_url" type="text" name="retailcrm_url" value="<?php if (isset($saved_settings['retailcrm_url'])): echo $saved_settings['retailcrm_url']; endif; ?>"  class="form-control" />
-                  </div>
-                </div>
-                <div class="form-group retailcrm_unit">
-                  <label class="col-sm-2 control-label" for="retailcrm_apikey"><?php echo $retailcrm_apikey; ?></label>
-                  <div class="col-lg-4 col-md-6 col-sm-10">
-                    <input id="retailcrm_apikey" type="text" name="retailcrm_apikey" value="<?php if (isset($saved_settings['retailcrm_apikey'])): echo $saved_settings['retailcrm_apikey']; endif;?>" class="form-control" />
-                  </div>
-                </div>
-              </fieldset>  
-              <fieldset>
-                <legend><?php echo $retailcrm_countries_settings; ?></legend>
-                <div class="form-group retailcrm_unit">
-                  <label class="col-sm-2 control-label">Страны</label>
-                  <div class="col-lg-4 col-md-6 col-sm-10">
-                    <div class="well well-sm" style="height: 150px; overflow: auto;">
-                      <?php foreach($countries as $country) : ?>
-                      <div class="checkbox">
-                        <label>
-                          <input type="checkbox" name="<?php echo 'retailcrm_country[]'; ?>" value="<?php echo $country['country_id']; ?>" <?php if(isset($saved_settings['retailcrm_country']) && in_array($country['country_id'], $saved_settings['retailcrm_country'])): echo 'checked'; endif;?>>
-                          <?php echo $country['name']; ?>
-                        </label>
-                      </div>
-                      <?php endforeach; ?>
-                    </div>
-                  </div>
-                </div>  
-              </fieldset>       
-              <?php if (isset($saved_settings['retailcrm_apikey']) && $saved_settings['retailcrm_apikey'] != '' && isset($saved_settings['retailcrm_url']) && $saved_settings['retailcrm_url'] != ''): ?>
-              <?php if (!empty($retailcrm_errors)) : ?>
-              <?php foreach($retailcrm_errors as $retailcrm_error): ?>
-              <div class="warning"><?php echo $retailcrm_error ?></div>
-              <?php endforeach; ?>
-              <?php else: ?>
-              <fieldset>
-                <legend><?php echo $retailcrm_upload_order; ?></legend>
-                <div class="form-group retailcrm_unit">
-                  <label class="col-sm-2 control-label"><?php echo $text_button_export_order; ?> №</label>
-                  <div class="col-sm-10">
-                    <div class="row">
-                      <div class="col-lg-3 col-md-6 col-sm-6">
-                        <input type="text" name="order_id" class="form-control" /> 
-                      </div>
-                      <div class="col-lg-3 col-md-4 col-sm-6">
-                        <button type="button" id="export_order" class="btn btn-success"><i class="fa fa-download"></i> <?php echo $text_button_export_order; ?></button>
-                      </div>
-                    </div>
-                  </div>
-                </div>
-              </fieldset>
-              <?php if (isset($saved_settings['retailcrm_apiversion']) && $saved_settings['retailcrm_apiversion'] != 'v3') : ?>
-              <fieldset>
-                <legend><?php echo $special_price_settings; ?></legend>
-                <div class="form-group retailcrm_unit">
-                  <label class="col-sm-2 control-label"><?php echo $special_price_settings; ?></label>
-                  <div class="col-md-4 col-sm-10">
-                    <select id="retailcrm_special" name="retailcrm_special" class="form-control">
-                      <?php foreach ($priceTypes as $priceType) :?>
-                      <?php if ($priceType['active'] == true) :?>
-                      <option value="<?php echo $priceType['code']; ?>" <?php if(isset($saved_settings['retailcrm_special']) && $saved_settings['retailcrm_special'] == $priceType['code']):?>selected="selected"<?php endif;?>>
-                        <?php echo $priceType['name']; ?>
-                      </option>
-                      <?php endif; ?>
-                      <?php endforeach; ?>
-                    </select>
-                  </div>
-                </div>            
-              </fieldset>
-              <?php endif; ?>
-              <fieldset>
-                <legend><?php echo $order_number; ?></legend>
-                <div class="form-group">
-                  <label class="col-sm-2 control-label" for="retailcrm_order_number"><?php echo $text_order_number; ?></label>
-                  <div class="col-sm-10">
-                    <label class="radio-inline">
-                      <input type="radio" name="retailcrm_order_number" value="1" <?php if (isset($saved_settings['retailcrm_order_number']) &&
-                      $saved_settings['retailcrm_order_number'] == 1) :
-                      echo 'checked'; endif; ?> />
-                      <?php echo $text_yes; ?>
-                    </label>
-                    <label class="radio-inline">
-                      <input type="radio" name="retailcrm_order_number" value="0" <?php if (!isset($saved_settings['retailcrm_order_number']) ||
-                      $saved_settings['retailcrm_order_number'] == 0) :
-                      echo 'checked'; endif; ?> />
-                      <?php echo $text_no; ?>
-                    </label>
-                  </div>
-                </div>
-              </fieldset>
-            </div>
-            <div class="tab-pane" id="tab-references">
-              <fieldset>
-                <legend><?php echo $retailcrm_dict_settings; ?></legend>
-                <div class="form-group">
-                  <label class="col-sm-2 control-label"><?php echo $retailcrm_dict_delivery; ?></label>
-                  <div class="col-sm-10">
-                    <div class="row">
-                      <?php if ($delivery['opencart']) :?>
-                      <?php foreach($delivery['opencart'] as $value): ?>
-                      <div class="col-sm-12" style="margin-bottom:10px;">
-                        <div class="pm" style="margin-bottom:5px;"><?php echo $value['title'].':'; ?></div>
-                        <?php unset($value['title']); ?>
-                        <?php foreach ($value as $key => $val): ?>
-                        <div class="row retailcrm_unit">
-                          <div class="col-lg-4 col-md-6 col-sm-6">
-                            <select id="retailcrm_delivery_<?php echo $val['code']; ?>" name="retailcrm_delivery[<?php echo $val['code']; ?>]" class="form-control">
-                              <?php foreach ($delivery['retailcrm'] as $k => $v): ?>
-                              <option value="<?php echo $v['code'];?>" <?php if(isset($saved_settings['retailcrm_delivery'][$key]) && $v['code'] == $saved_settings['retailcrm_delivery'][$key]):?>selected="selected"<?php endif;?>>
-                                <?php echo $v['name'];?>
-                              </option>
-                              <?php endforeach; ?>
-                            </select>
-                          </div>
-                          <div class="col-lg-4 col-md-6 col-sm-6">
-                            <label class="control-label" style="text-align:left!important;" for="retailcrm_pm_<?php echo $val['code']; ?>"><?php echo $val['title']; ?></label>
-                          </div>
-                        </div>
-                        <?php endforeach; ?>
-                      </div>
-                      <?php endforeach; ?>
-                      <?php else :?>
-                      <div class="alert alert-info"><i class="fa fa-exclamation-circle"></i>
-                        <button type="button" class="close" data-dismiss="alert">&times;</button>
-                        <?php echo $text_error_delivery; ?>
-                      </div>
-                      <?php endif; ?>
-                    </div>
-                  </div>
-                </div>
-                <div class="form-group">
-                  <label class="col-sm-2 control-label"><?php echo $retailcrm_dict_status; ?></label>
-                  <div class="col-sm-10">
-                    <?php foreach ($statuses['opencart'] as $status): ?>
-                    <?php $uid = $status['order_status_id']?>
-                    <div class="row retailcrm_unit">
-                      <div class="col-lg-4 col-md-6 col-sm-6">
-                        <select id="retailcrm_status_<?php echo $uid; ?>" name="retailcrm_status[<?php echo $uid; ?>]" class="form-control">
-                          <?php foreach ($statuses['retailcrm'] as $k => $v): ?>
-                          <option value="<?php echo $v['code'];?>" <?php if(isset($saved_settings['retailcrm_status'][$uid]) && $v['code'] == $saved_settings['retailcrm_status'][$uid]):?>selected="selected"<?php endif;?>>
-                            <?php echo $v['name'];?>
-                          </option>
-                          <?php endforeach; ?>
-                        </select>
-                      </div>
-                      <div class="col-lg-4 col-md-6 col-sm-6">
-                        <label class="control-label" style="text-align:left!important;" for="retailcrm_status_<?php echo $status['order_status_id']; ?>"><?php echo $status['name']; ?></label>
-                      </div>
-                    </div>
-                    <?php endforeach; ?>
-                  </div>
-                </div>
-                <div class="form-group">
-                  <label class="col-sm-2 control-label"><?php echo $retailcrm_dict_payment; ?></label>
-                  <div class="col-sm-10">
-                    <?php foreach ($payments['opencart'] as $key => $value): ?>
-                    <div class="row retailcrm_unit">
-                      <div class="col-lg-4 col-md-6 col-sm-6">
-                        <select id="retailcrm_payment_<?php echo $key; ?>" name="retailcrm_payment[<?php echo $key; ?>]" class="form-control">
-                          <?php foreach ($payments['retailcrm'] as $k => $v): ?>
-                          <option value="<?php echo $v['code'];?>" <?php if(isset($saved_settings['retailcrm_payment'][$key]) && $v['code'] == $saved_settings['retailcrm_payment'][$key]):?>selected="selected"<?php endif;?>>
-                            <?php echo $v['name'];?>
-                          </option>
-                          <?php endforeach; ?>
-                        </select>
-                      </div>
-                      <div class="col-lg-4 col-md-6 col-sm-6">
-                        <label class="control-label" for="retailcrm_payment_<?php echo $key; ?>"><?php echo $value; ?></label>
-                      </div>
-                    </div>
-                    <?php endforeach; ?>
-                  </div>
-                </div>
-                <div class="form-group">
-                  <label class="col-sm-2 control-label"><?php echo $retailcrm_dict_default; ?></label>
-                  <div class="col-sm-10">
-                    <div class="row">  
-                      <div class="retailcrm_unit col-sm-12">
-                        <div class="row">  
-                          <div class="col-lg-4 col-md-6 col-sm-6">
-                            <select id="retailcrm_default_payment" name="retailcrm_default_payment" class="form-control">
-                              <?php foreach ($payments['opencart'] as $k => $v): ?>
-                              <option value="<?php echo $k;?>" <?php if(isset($saved_settings['retailcrm_default_payment']) && $k == $saved_settings['retailcrm_default_payment']):?>selected="selected"<?php endif;?>>
-                                <?php echo $v;?>
-                              </option>
-                              <?php endforeach; ?>
-                            </select>
-                          </div>
-                          <div class="col-lg-4 col-md-6 col-sm-6">
-                            <label class="control-label" for="retailcrm_default_payment"><?php echo $text_payment; ?></label>  
-                          </div>
-                        </div>
-                      </div>
-                      <div class="retailcrm_unit col-sm-12">
-                        <div class="row">  
-                          <div class="col-lg-4 col-md-6 col-sm-6">
-                            <select id="retailcrm_default_shipping" name="retailcrm_default_shipping" class="form-control">
-                              <?php foreach ($delivery['opencart'] as $key => $value): ?>
-                              <optgroup label="<?php echo $value['title']; ?>">
-                                <?php unset($value['title']); ?>
-                                <?php foreach ($value as $v): ?>
-                                <option value="<?php echo $v['code'];?>" <?php if(isset($saved_settings['retailcrm_default_shipping']) && $v['code'] == $saved_settings['retailcrm_default_shipping']):?>selected="selected"<?php endif;?>>
-                                  <?php echo $v['title'];?>
-                                </option>
-                                <?php endforeach; ?>
-                              </optgroup>
-                              <?php endforeach; ?>
-                            </select>
-                          </div>
-                          <div class="col-lg-4 col-md-6 col-sm-6">
-                            <label class="control-label" for="retailcrm_default_payment"><?php echo $text_shipping; ?></label>
-                          </div>
-                        </div>
-                      </div>
-                    </div>  
-                  </div>
-                </div>
-                <div class="form-group">
-                  <label class="col-sm-2 control-label"><?php echo $retailcrm_missing_status; ?></label>
-                  <div class="col-sm-10">
-                    <div class="row">
-                      <div class="col-lg-4 col-md-6 col-sm-6">
-                        <select id="retailcrm_missing_status" name="retailcrm_missing_status" class="form-control">
-                          <option>-- Выберите --</option>
-                          <?php foreach ($statuses['retailcrm'] as $k => $v): ?>
-                          <option value="<?php echo $k;?>" <?php if(isset($saved_settings['retailcrm_missing_status']) && $k == $saved_settings['retailcrm_missing_status']):?>selected="selected"<?php endif;?>>
-                            <?php echo $v['name'];?>
-                          </option>
-                          <?php endforeach; ?>
-                        </select>
-                      </div>
-                    </div>
-                  </div>
-                </div>
-              </fieldset>
-              <?php endif; ?>
-              <?php endif; ?>
-            </div>
-            <div class="tab-pane" id="tab-collector">
-              <fieldset>
-                <legend><?php echo $daemon_collector; ?></legend>
-                <div class="form-group">
-                  <label class="col-sm-2 control-label" for="retailcrm_collector_active"><?php echo $text_collector_activity; ?></label>
-                  <div class="col-sm-10">
-                    <label class="radio-inline">
-                      <input type="radio" name="retailcrm_collector_active" value="1" <?php if (isset($saved_settings['retailcrm_collector_active']) && 
-                      $saved_settings['retailcrm_collector_active'] == 1) :
-                      echo 'checked'; endif; ?> />
-                      <?php echo $text_yes; ?>
-                    </label>
-                    <label class="radio-inline">
-                      <input type="radio" name="retailcrm_collector_active" value="0" <?php if (!isset($saved_settings['retailcrm_collector_active']) || 
-                      $saved_settings['retailcrm_collector_active'] == 0) :
-                      echo 'checked'; endif; ?> />
-                      <?php echo $text_no; ?>
-                    </label>
-                  </div>
-                </div>
-                <div class="form-group">
-                  <label class="col-sm-2 control-label" for="retailcrm_collector" class="col-md-4"><?php echo $collector_site_key; ?></label>
-                  <div class="col-sm-10">
-                    <input id="retailcrm_collector_site_key" type="text" name="retailcrm_collector[site_key]" value="<?php if (isset($saved_settings['retailcrm_collector']['site_key'])): echo $saved_settings['retailcrm_collector']['site_key']; endif; ?>" class="form-control" />
-                  </div>
-                </div>
-                <div class="form-group">
-                  <label class="col-sm-2 control-label" for="retailcrm_collector"><?php echo $text_collector_form_capture; ?></label>
-                  <div class="col-sm-10">
-                    <label class="radio-inline">
-                      <input type="radio" name="retailcrm_collector[form_capture]" value="1" <?php if (isset($saved_settings['retailcrm_collector']['form_capture']) && 
-                      $saved_settings['retailcrm_collector']['form_capture'] == 1) :
-                      echo 'checked'; endif; ?>>
-                      <?php echo $text_yes; ?>
-                    </label>
-                    <label class="radio-inline">
-                      <input type="radio" name="retailcrm_collector[form_capture]" value="0" <?php if (!isset($saved_settings['retailcrm_collector']['form_capture']) || 
-                      $saved_settings['retailcrm_collector']['form_capture'] == 0) :
-                      echo 'checked'; endif; ?>>
-                      <?php echo $text_no; ?>
-                    </label>  
-                  </div>
-                </div>
-                <div class="form-group">
-                  <label class="col-sm-2 control-label" for="retailcrm_collector_period" class="col-md-4"><?php echo $text_collector_period; ?></label>
-                  <div class="col-sm-4">
-                    <input id="retailcrm_collector_period" type="text" name="retailcrm_collector[period]" value="<?php if (isset($saved_settings['retailcrm_collector']['period'])): echo $saved_settings['retailcrm_collector']['period']; endif; ?>" class="form-control" />
-                  </div>
-                </div>
-                <div class="form-group">
-                  <label class="col-sm-2 control-label" for="retailcrm_collector[]"><?php echo $text_label_promo; ?></label>
-                  <div class="col-sm-10">
-                    <input id="retailcrm_collector[]" type="text" name="retailcrm_collector[label_promo]" value="<?php if (isset($saved_settings['retailcrm_collector']['label_promo'])): echo $saved_settings['retailcrm_collector']['label_promo']; endif; ?>" class="form-control" />
-                  </div>
-                </div>
-                <div class="form-group">
-                  <label class="col-sm-2 control-label" for="retailcrm_collector_label_send"><?php echo $text_label_send; ?></label>
-                  <div class="col-sm-10">
-                    <input id="retailcrm_collector_label_send" type="text" name="retailcrm_collector[label_send]" value="<?php if (isset($saved_settings['retailcrm_collector']['label_send'])): echo $saved_settings['retailcrm_collector']['label_send']; endif; ?>" class="form-control" />
-                  </div>
-                </div>
-                <div class="form-group">
-                  <label class="col-sm-2 control-label" for="retailcrm_collector"><?php echo $collector_custom_text; ?></label>
-                  <div class="col-sm-10">
-                    <label class="radio-inline">
-                      <input type="radio" name="retailcrm_collector[custom_form]" value="1" <?php if (isset($saved_settings['retailcrm_collector']['custom_form']) && 
-                      $saved_settings['retailcrm_collector']['custom_form'] == 1) :
-                      echo 'checked'; endif; ?>>
-                      <?php echo $text_yes; ?>
-                    </label>
-                    <label class="radio-inline">
-                      <input type="radio" name="retailcrm_collector[custom_form]" value="0" <?php if (!isset($saved_settings['retailcrm_collector']['custom_form']) || 
-                      $saved_settings['retailcrm_collector']['custom_form'] == 0) :
-                      echo 'checked'; endif; ?>>
-                      <?php echo $text_no; ?>
-                    </label>
-                  </div>
-                </div>
-                <?php foreach ($collectorFields as $field => $label) : ?>
-                <div class="form-group">
-                  <label class="col-sm-2 control-label" for="retailcrm_collector"><?php echo $label; ?></label>
-                  <div class="col-sm-10">
-                    <div class="row">
-                      <div class="col-md-4 col-sm-6">
-                        <input id="retailcrm_collector" type="text" name="retailcrm_collector[custom][<?php echo $field; ?>]" value="<?php if (isset($saved_settings['retailcrm_collector']['custom'][$field])) : echo $saved_settings['retailcrm_collector']['custom'][$field]; endif; ?>" class="form-control" />
-                      </div>
-                      <div class="col-md-8 col-sm-6" style="margin-top: 8px;">
-                        <input style="margin-top: 0; vertical-align: middle;" type="checkbox" name="retailcrm_collector[require][<?php echo $field; ?>_require]" value="1" <?php if (isset($saved_settings['retailcrm_collector']['require'][$field.'_require'])) : echo 'checked'; endif;?> />
-                        <label style="margin-bottom: 0; vertical-align: middle; margin-left: 5px;" for="retailcrm_collector"><?php echo $text_require; ?></label>
-                      </div>
-                    </div>
-                  </div>
-                </div>
-                <?php endforeach; ?>
-              </fieldset>
-            </div>
-            <?php if (isset($saved_settings['retailcrm_apiversion']) && $saved_settings['retailcrm_apiversion'] == 'v5' && isset($customFields)) : ?>
-            <div class="tab-pane" id="tab-custom_fields">
-              <fieldset>
-                <legend><?php echo $retailcrm_dict_custom_fields; ?></legend>
-                <?php if ($customFields['retailcrm'] && $customFields['opencart']) : ?>     
-                <div class="form-group">
-                  <label class="col-sm-2 control-label" for="retailcrm_custom_field_active"><?php echo $text_custom_field_activity; ?></label>
-                  <div class="col-sm-10">
-                    <label class="radio-inline">
-                      <input type="radio" name="retailcrm_custom_field_active" value="1" <?php if (isset($saved_settings['retailcrm_custom_field_active']) && 
-                      $saved_settings['retailcrm_custom_field_active'] == 1) :
-                      echo 'checked'; endif; ?> />
-                      <?php echo $text_yes; ?>
-                    </label>
-                    <label class="radio-inline">
-                      <input type="radio" name="retailcrm_custom_field_active" value="0" <?php if (!isset($saved_settings['retailcrm_custom_field_active']) || 
-                      $saved_settings['retailcrm_custom_field_active'] == 0) :
-                      echo 'checked'; endif; ?> />
-                      <?php echo $text_no; ?>
-                    </label>
-                  </div>     
-                </div>     
-                <div class="form-group">
-                  <label class="col-sm-2 control-label"><?php echo $text_customers_custom_fields; ?></label>
-                  <div class="col-sm-10">
-                    <div class="row">
-                      <?php foreach ($customFields['opencart'] as $customField) : ?>
-                      <div class="col-sm-12" style="margin-bottom:5px;">
-                        <div class="row">
-                          <?php $fid = 'c_' . $customField['custom_field_id'] ?>
-                          <div class="col-sm-4">
-                            <select id="retailcrm_custom_field_<?php echo $fid; ?>" name="retailcrm_custom_field[<?php echo $fid; ?>]" class="form-control">
-                              <?php foreach ($customFields['retailcrm']['customers'] as $v): ?>
-                              <option value="<?php echo $v['code'];?>" <?php if(isset($saved_settings['retailcrm_custom_field'][$fid]) && $v['code'] == $saved_settings['retailcrm_custom_field'][$fid]):?>selected="selected"<?php endif;?>>
-                                <?php echo $v['name'];?>
-                              </option>
-                              <?php endforeach; ?>
-                            </select>
-                          </div>
-                          <label style="padding-top: 9px;" for="retailcrm_custom_field_<?php echo $fid; ?>"><?php echo $customField['name']; ?></label>
-                        </div>
-                      </div>
-                      <?php endforeach; ?>
-                    </div>
-                  </div>                   
-                </div>                    
-                <div class="form-group">                
-                  <label class="col-sm-2 control-label"><?php echo $text_orders_custom_fields; ?></label> 
-                  <div class="col-sm-10">
-                    <div class="row">
-                      <?php foreach ($customFields['opencart'] as $customField) : ?>
-                      <div class="col-sm-12" style="margin-bottom:5px;">
-                        <div class="row">
-                          <?php $fid = 'o_' . $customField['custom_field_id'] ?>
-                          <div class="col-sm-4">
-                            <select id="retailcrm_custom_field_<?php echo $fid; ?>" name="retailcrm_custom_field[<?php echo $fid; ?>]" class="form-control">
-                              <?php foreach ($customFields['retailcrm']['orders'] as $v): ?>
-                              <option value="<?php echo $v['code'];?>" <?php if(isset($saved_settings['retailcrm_custom_field'][$fid]) && $v['code'] == $saved_settings['retailcrm_custom_field'][$fid]):?>selected="selected"<?php endif;?>>
-                                <?php echo $v['name'];?>
-                              </option>
-                              <?php endforeach; ?>
-                            </select>
-                          </div>
-                          <label style="padding-top: 9px;" for="retailcrm_custom_field_<?php echo $fid; ?>"><?php echo $customField['name']; ?></label>
-                        </div>
-                      </div>
-                      <?php endforeach; ?>
-                    </div>
-                  </div>                   
-                </div>                    
-                <?php elseif (!$customFields['retailcrm'] && !$customFields['opencart']) : ?>
-                <div class="alert alert-info"><i class="fa fa-exclamation-circle"></i>
-                  <button type="button" class="close" data-dismiss="alert">&times;</button>
-                  <?php echo $text_error_custom_field; ?>
-                </div>
-                <?php elseif (!$customFields['retailcrm']) : ?>
-                <div class="alert alert-info"><i class="fa fa-exclamation-circle"></i>
-                  <button type="button" class="close" data-dismiss="alert">&times;</button>
-                  <?php echo $text_error_cf_retailcrm; ?>
-                </div>
-                <?php elseif (!$customFields['opencart']) : ?>
-                <div class="alert alert-info"><i class="fa fa-exclamation-circle"></i>
-                  <button type="button" class="close" data-dismiss="alert">&times;</button>
-                  <?php echo $text_error_cf_opencart; ?>
-                </div>
-                <?php endif; ?>
-              </fieldset>
-            </div>
-            <?php endif; ?>
-            <div class="tab-pane" id="tab-logs">
-              <fieldset style="margin-bottom: 30px;">
-                <legend>Retailcrm API error log</legend>
-                <div class="retailcrm_unit">
-                  <a onclick="confirm('<?php echo $text_confirm_log; ?>') ? location.href='<?php echo $clear_retailcrm; ?>' : false;" data-toggle="tooltip" title="<?php echo $button_clear; ?>" class="btn btn-danger"><i class="fa fa-eraser"></i> <span class="hidden-xs"><?php echo $button_clear; ?></span></a>
-                </div>
-                <?php if (isset($logs['retailcrm_log'])) : ?>
-                <div class="row">
-                  <div class="col-sm-12">
-                    <textarea wrap="off" rows="15" readonly class="form-control"><?php echo $logs['retailcrm_log']; ?></textarea>
-                  </div>
-                </div>
-                <?php elseif (isset($logs['retailcrm_error'])) : ?>
-                <div class="alert alert-danger alert-dismissible"><i class="fa fa-exclamation-circle"></i> <?php echo $logs['retailcrm_error']; ?>
-                  <button type="button" class="close" data-dismiss="alert">&times;</button>
-                </div>
-                <?php endif; ?>
-              </fieldset>
-              <fieldset>
-                <legend>Opencart API error log</legend>
-                <div class="retailcrm_unit">
-                  <a onclick="confirm('<?php echo $text_confirm_log; ?>') ? location.href='<?php echo $clear_opencart; ?>' : false;" data-toggle="tooltip" title="<?php echo $button_clear; ?>" class="btn btn-danger"><i class="fa fa-eraser"></i> <span class="hidden-xs"><?php echo $button_clear; ?></span></a>
-                </div>
-                 <?php if (isset($logs['oc_api_log'])) : ?>
-                 <div class="row">
-                   <div class="col-sm-12">
-                     <textarea wrap="off" rows="15" readonly class="form-control"><?php echo $logs['oc_api_log']; ?></textarea>
-                   </div>
-                 </div>
-                 <?php elseif (isset($logs['oc_error'])) : ?>
-                 <div class="alert alert-danger alert-dismissible"><i class="fa fa-exclamation-circle"></i> <?php echo $logs['oc_error']; ?>
-                   <button type="button" class="close" data-dismiss="alert">&times;</button>
-                 </div>
-                 <?php endif; ?>             
-              </fieldset>              
-            </div>
-          </div>
-        </form>
-      </div>
-    </div>
-  </div>
-</div>
-<?php echo $footer; ?>
-
-<script type="text/javascript">
-    var token = '<?php echo $token; ?>';
-    $('#icml').on('click', function() {
-        $.ajax({
-            url: '<?php echo $catalog; ?>' + 'admin/index.php?route=extension/module/retailcrm/icml&token=' + token,
-            beforeSend: function() {
-                $('#icml').button('loading');
-            },
-            complete: function() {
-                $('.alert-success').remove();
-                $('#content > .container-fluid').prepend('<div class="alert alert-success"><i class="fa fa-exclamation-circle"></i> <?php echo $text_success_catalog; ?></div>');
-                $('#icml').button('reset');
-            },
-            error: function(){
-                alert('error');
-            }
-        });
-    });
-
-    $('#export').on('click', function() {
-        $.ajax({
-            url: '<?php echo $catalog; ?>' + 'admin/index.php?route=extension/module/retailcrm/export&token=' + token,
-            beforeSend: function() {
-                $('#export').button('loading');
-            },
-            complete: function() {
-                $('.alert-success').remove();
-                $('#content > .container-fluid').prepend('<div class="alert alert-success"><i class="fa fa-exclamation-circle"></i> <?php echo $text_success_export; ?></div>');
-                $('#export').button('reset');
-            },
-            error: function(){
-                alert('error');
-            }
-        });
-    });
-
-    $('#export_order').on('click', function() {
-        var order_id = $('input[name=\'order_id\']').val();
-        if (order_id && order_id > 0) {
-            $.ajax({
-                url: '<?php echo $catalog; ?>' + 'admin/index.php?route=extension/module/retailcrm/exportOrder&token=' + token + '&order_id=' + order_id,
-                beforeSend: function() {
-                    $('#export_order').button('loading');
-                },
-                error: function(xhr, ajaxOptions, thrownError) {
-                    alert(thrownError + "\r\n" + xhr.statusText + "\r\n" + xhr.responseText);
-                },
-                success: function(data, textStatus, jqXHR) {
-                    response = JSON.parse(jqXHR['responseText']);
-                    if (response['status_code'] == '400') {
-                        $('.alert-danger').remove();
-                        $('#content > .container-fluid').prepend('<div class="alert alert-danger"><i class="fa fa-exclamation-circle"></i><?php echo $text_error_order; ?>' + response['error_msg'] + '</div>');
-                        $('#export_order').button('reset');
-                    } else {
-                        $('.alert-success').remove();
-                        $('#content > .container-fluid').prepend('<div class="alert alert-success"><i class="fa fa-exclamation-circle"></i><?php echo $text_success_export_order; ?></div>');
-                        $('#export_order').button('reset');
-                        $('input[name=\'order_id\']').val('');
-                    }
-                }
-            });
-        } else {
-            $('.alert-danger').remove();
-            $('#content > .container-fluid').prepend('<div class="alert alert-danger"><i class="fa fa-exclamation-circle"></i> <?php echo $text_error_order_id; ?></div>');
-            $('#export_order').button('reset');
-        }
-    });
-</script>
diff --git a/src/upload/catalog/controller/extension/module/retailcrm.php b/src/upload/catalog/controller/extension/module/retailcrm.php
index faf73ae..794113b 100644
--- a/src/upload/catalog/controller/extension/module/retailcrm.php
+++ b/src/upload/catalog/controller/extension/module/retailcrm.php
@@ -11,73 +11,44 @@
  */
 class ControllerExtensionModuleRetailcrm extends Controller {
 
-    private $retailcrmApiClient;
-
-    public function __construct($registry)
-    {
-        parent::__construct($registry);
-
-        $this->load->library('retailcrm/retailcrm');
-        $this->retailcrmApiClient = $this->retailcrm->getApiClient();
-    }
-
     /**
      * Create order on event
      *
-     * @param string $trigger
-     * @param array $data
-     * @param int $order_id order identificator
+     * @param string $route
+     * @param array $args
+     * @param int $output
      *
-     * @return void
+     * @return boolean
      */
-    public function order_create($trigger, $data, $order_id = null) {
-        $this->load->model('checkout/order');
-        $this->load->model('account/order');
+    public function orderCreate($route, $args, $output) {
+        if ($route != 'checkout/order/addOrder') {
+            return false;
+        }
+
         $this->load->library('retailcrm/retailcrm');
 
-        $data = $this->model_checkout_order->getOrder($order_id);;
-        $data['products'] = $this->model_account_order->getOrderProducts($order_id);
-        $data['totals'] = $this->model_account_order->getOrderTotals($order_id);
-        $moduleTitle = $this->retailcrm->getModuleTitle();
+        $retailcrm_order = $this->retailcrm->getObject('Order');
+        $retailcrm_order->prepare($args[0]);
+        $retailcrm_order->setField('externalId', $output);
+        $retailcrm_order->create($this->retailcrm->getApiClient());
 
-        foreach ($data['products'] as $key => $product) {
-            $productOptions = $this->model_account_order->getOrderOptions($order_id, $product['order_product_id']);
-
-            if (!empty($productOptions)) {
-                $data['products'][$key]['option'] = $productOptions;
-            }
-        }
-
-        if (!isset($data['fromApi'])) {
-            $this->load->model('setting/setting');
-            $status = $this->model_setting_setting->getSetting($moduleTitle);
-
-            if (isset($data['order_status_id']) && $data['order_status_id'] > 0) {
-                $data['order_status'] = $status[$moduleTitle . '_status'][$data['order_status_id']];
-            }
-
-            if (file_exists(DIR_APPLICATION . 'model/extension/retailcrm/custom/order.php')) {
-                $this->load->model('extension/retailcrm/custom/order');
-                $order = $this->model_extension_retailcrm_custom_order->processOrder($data);
-                $this->model_extension_retailcrm_custom_order->sendToCrm($order, $this->retailcrmApiClient);
-            } else {
-                $this->load->model('extension/retailcrm/order');
-                $order = $this->model_extension_retailcrm_order->processOrder($data);
-                $this->model_extension_retailcrm_order->sendToCrm($order, $this->retailcrmApiClient);
-            }
-        }
+        return true;
     }
 
     /**
      * Update order on event
      *
-     * @param string $trigger
-     * @param array $parameter2
+     * @param string $route
+     * @param array $args
      *
-     * @return void
+     * @return boolean
      */
-    public function order_edit($trigger, $parameter2 = null) {
-        $order_id = $parameter2[0];
+    public function orderEdit($route, $args) {
+        if ($route != 'checkout/order/editOrder') {
+            return false;
+        }
+
+        $order_id = $args[0];
 
         $this->load->model('checkout/order');
         $this->load->model('account/order');
@@ -124,63 +95,46 @@ class ControllerExtensionModuleRetailcrm extends Controller {
     /**
      * Create customer on event
      *
-     * @param int $customerId customer identificator
+     * @param string $route
+     * @param array $args
+     * @param int $output
      *
-     * @return void
+     * @return boolean
      */
-    public function customer_create($parameter1, $parameter2 = null, $parameter3 = null) {
-        $this->load->model('account/customer');
-        $this->load->model('localisation/country');
-        $this->load->model('localisation/zone');
-
-        $customerId = $parameter3;
-        $customer = $this->model_account_customer->getCustomer($customerId);
-
-        if ($this->request->post) {
-            $country = $this->model_localisation_country->getCountry($this->request->post['country_id']);
-            $zone = $this->model_localisation_zone->getZone($this->request->post['zone_id']);
-
-            $customer['address'] = array(
-                'address_1' => $this->request->post['address_1'],
-                'address_2' => $this->request->post['address_2'],
-                'city' => $this->request->post['city'],
-                'postcode' => $this->request->post['postcode'],
-                'iso_code_2' => $country['iso_code_2'],
-                'zone' => $zone['name']
-            );
+    public function customerCreate($route, $args, $output) {
+        if ($route != 'account/customer/addCustomer') {
+            return false;
         }
 
-        if (file_exists(DIR_APPLICATION . 'model/extension/retailcrm/custom/customer.php')) {
-            $this->load->model('extension/retailcrm/custom/customer');
-            $this->model_extension_retailcrm_custom_customer->sendToCrm($customer, $this->retailcrmApiClient);
-        } else {
-            $this->load->model('extension/retailcrm/customer');
-            $this->model_extension_retailcrm_customer->sendToCrm($customer, $this->retailcrmApiClient);
-        }
+        $this->load->library('retailcrm/retailcrm');
+        $retailcrm_customer = $this->retailcrm->createObject('Customer');
+        $retailcrm_customer->prepare($args[0]);
+        $retailcrm_customer->setField('externalId', $output);
+        $retailcrm_customer->create();
+
+        return true;
     }
 
     /**
      * Update customer on event
      *
-     * @param int $customerId customer identificator
-     *
-     * @return void
+     * @param string $route
+     * @param array $args
+     * @return boolean
      */
-    public function customer_edit($parameter1, $parameter2, $parameter3) {
-        $customerId = $this->customer->getId();
-
-        $this->load->model('account/customer');
-        $customer = $this->model_account_customer->getCustomer($customerId);
-
-        $this->load->model('account/address');
-        $customer['address'] = $this->model_account_address->getAddress($customer['address_id']);
-
-        if (file_exists(DIR_APPLICATION . 'model/extension/retailcrm/custom/customer.php')) {
-            $this->load->model('extension/retailcrm/custom/customer');
-            $this->model_extension_retailcrm_custom_customer->changeInCrm($customer, $this->retailcrmApiClient);
-        } else {
-            $this->load->model('extension/retailcrm/customer');
-            $this->model_extension_retailcrm_customer->changeInCrm($customer, $this->retailcrmApiClient);
+    public function customerEdit($route, $args) {
+        if ($route != 'account/customer/editCustomer') {
+            return false;
         }
+
+        $customer_id = $args[0];
+        $data = $args[1];
+
+        $this->load->library('retailcrm/customer');
+        $this->retailcrm->process($data);
+        $this->retailcrm->setField('externalId', $customer_id);
+        $this->retailcrm->edit();
+
+        return true;
     }
 }
diff --git a/src/upload/system/library/retailcrm/OpencartApiClient.php b/src/upload/system/library/retailcrm/OpencartApiClient.php
index 8f92be2..072959b 100644
--- a/src/upload/system/library/retailcrm/OpencartApiClient.php
+++ b/src/upload/system/library/retailcrm/OpencartApiClient.php
@@ -47,22 +47,19 @@ class OpencartApiClient {
     }
 
     private function request($method, $getParams, $postParams) {
+        $this->load->model('setting/store');
         $opencartStoreInfo = $this->model_setting_store->getStore($this->opencartStoreId);
 
         if ($this->apiToken !== false) {
-            if (version_compare(VERSION, '3.0', '<')) {
-                $getParams['key'] = $this->apiToken['key'];
-            } else {
-                $getParams['key'] = $this->apiToken['key'];
-                $getParams['username'] = $this->apiToken['username'];
+            $getParams['key'] = $this->apiToken['key'];
+            $getParams['username'] = $this->apiToken['username'];
 
-                if (isset($this->session->data['user_token'])) {
-                    $getParams['api_token'] = $this->session->data['user_token'];
-                } else {
-                    $session = $this->registry->get('session');
-                    $session->start();
-                    $getParams['api_token'] = $session->getId();
-                }
+            if (isset($this->session->data['user_token'])) {
+                $getParams['api_token'] = $this->session->data['user_token'];
+            } else {
+                $session = $this->registry->get('session');
+                $session->start();
+                $getParams['api_token'] = $session->getId();
             }
         }
 
@@ -143,7 +140,7 @@ class OpencartApiClient {
 
     /**
      * Get delivery types
-     * 
+     *
      * @return array
      */
     public function getDeliveryTypes()
@@ -153,10 +150,10 @@ class OpencartApiClient {
 
     /**
      * Add history order
-     * 
+     *
      * @param int $order_id
      * @param int $order_status_id
-     * 
+     *
      * @return void
      */
     public function addHistory($order_id, $order_status_id)
@@ -166,7 +163,7 @@ class OpencartApiClient {
 
     /**
      * Get module name
-     * 
+     *
      * @return string
      */
     private function getModuleTitle()
diff --git a/src/upload/system/library/retailcrm/RetailcrmApiClient3.php b/src/upload/system/library/retailcrm/RetailcrmApiClient3.php
deleted file mode 100644
index d61d3e3..0000000
--- a/src/upload/system/library/retailcrm/RetailcrmApiClient3.php
+++ /dev/null
@@ -1,831 +0,0 @@
-<?php
-/**
- * PHP version 5.3
- *
- * API client class
- *
- * @category RetailCrm
- * @package  RetailCrm
- * @author   RetailCrm <integration@retailcrm.ru>
- * @license  https://opensource.org/licenses/MIT MIT License
- * @link     http://www.retailcrm.ru/docs/Developers/ApiVersion3
- */
-class RetailcrmApiClient3
-{
-    protected $client;
-
-    /**
-     * Site code
-     */
-    protected $siteCode;
-
-    /**
-     * Client creating
-     *
-     * @param  string $url
-     * @param  string $apiKey
-     * @param  string $site
-     * @return mixed
-     */
-    public function __construct($url, $apiKey, $version = null, $site = null)
-    {
-        if ('/' != substr($url, strlen($url) - 1, 1)) {
-            $url .= '/';
-        }
-
-        $url = $version == null ? $url . 'api' : $url . 'api/' . $version;
-
-        $this->client = new RetailcrmHttpClient($url, array('apiKey' => $apiKey));
-        $this->siteCode = $site;
-    }
-    
-    /**
-     * Returns api versions list
-     * 
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \InvalidArgumentException
-     * 
-     * @return ApiResponse
-     */
-    public function apiVersions()
-    {
-        return $this->client->makeRequest('/api-versions', RetailcrmHttpClient::METHOD_GET);
-    }
-    
-    /**
-     * Create a order
-     *
-     * @param  array       $order
-     * @param  string      $site (default: null)
-     * @return ApiResponse
-     */
-    public function ordersCreate(array $order, $site = null)
-    {
-        if (!sizeof($order)) {
-            throw new InvalidArgumentException('Parameter `order` must contains a data');
-        }
-
-        return $this->client->makeRequest("/orders/create", RetailcrmHttpClient::METHOD_POST, $this->fillSite($site, array(
-            'order' => json_encode($order)
-        )));
-    }
-
-    /**
-     * Edit a order
-     *
-     * @param  array       $order
-     * @param  string      $by
-     * @param  string      $site (default: null)
-     * @return ApiResponse
-     */
-    public function ordersEdit(array $order, $by = 'externalId', $site = null)
-    {
-        if (!sizeof($order)) {
-            throw new InvalidArgumentException('Parameter `order` must contains a data');
-        }
-
-        $this->checkIdParameter($by);
-
-        if (!isset($order[$by])) {
-            throw new InvalidArgumentException(sprintf('Order array must contain the "%s" parameter.', $by));
-        }
-
-        return $this->client->makeRequest(
-            "/orders/" . $order[$by] . "/edit",
-            RetailcrmHttpClient::METHOD_POST,
-            $this->fillSite($site, array(
-                'order' => json_encode($order),
-                'by' => $by,
-            ))
-        );
-    }
-
-    /**
-     * Upload array of the orders
-     *
-     * @param  array       $orders
-     * @param  string      $site (default: null)
-     * @return ApiResponse
-     */
-    public function ordersUpload(array $orders, $site = null)
-    {
-        if (!sizeof($orders)) {
-            throw new InvalidArgumentException('Parameter `orders` must contains array of the orders');
-        }
-
-        return $this->client->makeRequest("/orders/upload", RetailcrmHttpClient::METHOD_POST, $this->fillSite($site, array(
-            'orders' => json_encode($orders),
-        )));
-    }
-
-    /**
-     * Get order by id or externalId
-     *
-     * @param  string      $id
-     * @param  string      $by (default: 'externalId')
-     * @param  string      $site (default: null)
-     * @return ApiResponse
-     */
-    public function ordersGet($id, $by = 'externalId', $site = null)
-    {
-        $this->checkIdParameter($by);
-
-        return $this->client->makeRequest("/orders/$id", RetailcrmHttpClient::METHOD_GET, $this->fillSite($site, array(
-            'by' => $by
-        )));
-    }
-
-    /**
-     * Returns a orders history
-     *
-     * @param  DateTime   $startDate (default: null)
-     * @param  DateTime   $endDate (default: null)
-     * @param  int         $limit (default: 100)
-     * @param  int         $offset (default: 0)
-     * @param  bool        $skipMyChanges (default: true)
-     * @return ApiResponse
-     */
-    public function ordersHistory(
-        DateTime $startDate = null,
-        DateTime $endDate = null,
-        $limit = 100,
-        $offset = 0,
-        $skipMyChanges = true
-    ) {
-        $parameters = array();
-
-        if ($startDate) {
-            $parameters['startDate'] = $startDate->format('Y-m-d H:i:s');
-        }
-        if ($endDate) {
-            $parameters['endDate'] = $endDate->format('Y-m-d H:i:s');
-        }
-        if ($limit) {
-            $parameters['limit'] = (int) $limit;
-        }
-        if ($offset) {
-            $parameters['offset'] = (int) $offset;
-        }
-        if ($skipMyChanges) {
-            $parameters['skipMyChanges'] = (bool) $skipMyChanges;
-        }
-
-        return $this->client->makeRequest('/orders/history', RetailcrmHttpClient::METHOD_GET, $parameters);
-    }
-
-    /**
-     * Returns filtered orders list
-     *
-     * @param  array       $filter (default: array())
-     * @param  int         $page (default: null)
-     * @param  int         $limit (default: null)
-     * @return ApiResponse
-     */
-    public function ordersList(array $filter = array(), $page = null, $limit = null)
-    {
-        $parameters = array();
-
-        if (sizeof($filter)) {
-            $parameters['filter'] = $filter;
-        }
-        if (null !== $page) {
-            $parameters['page'] = (int) $page;
-        }
-        if (null !== $limit) {
-            $parameters['limit'] = (int) $limit;
-        }
-
-        return $this->client->makeRequest('/orders', RetailcrmHttpClient::METHOD_GET, $parameters);
-    }
-
-    /**
-     * Returns statuses of the orders
-     *
-     * @param  array       $ids (default: array())
-     * @param  array       $externalIds (default: array())
-     * @return ApiResponse
-     */
-    public function ordersStatuses(array $ids = array(), array $externalIds = array())
-    {
-        $parameters = array();
-
-        if (sizeof($ids)) {
-            $parameters['ids'] = $ids;
-        }
-        if (sizeof($externalIds)) {
-            $parameters['externalIds'] = $externalIds;
-        }
-
-        return $this->client->makeRequest('/orders/statuses', RetailcrmHttpClient::METHOD_GET, $parameters);
-    }
-
-    /**
-     * Save order IDs' (id and externalId) association in the CRM
-     *
-     * @param  array       $ids
-     * @return ApiResponse
-     */
-    public function ordersFixExternalIds(array $ids)
-    {
-        if (!sizeof($ids)) {
-            throw new InvalidArgumentException('Method parameter must contains at least one IDs pair');
-        }
-
-        return $this->client->makeRequest("/orders/fix-external-ids", RetailcrmHttpClient::METHOD_POST, array(
-            'orders' => json_encode($ids),
-        ));
-    }
-
-    /**
-     * Get orders assembly history
-     *
-     * @param  array       $filter (default: array())
-     * @param  int         $page (default: null)
-     * @param  int         $limit (default: null)
-     * @return ApiResponse
-     */
-    public function ordersPacksHistory(array $filter = array(), $page = null, $limit = null)
-    {
-        $parameters = array();
-
-        if (sizeof($filter)) {
-            $parameters['filter'] = $filter;
-        }
-        if (null !== $page) {
-            $parameters['page'] = (int) $page;
-        }
-        if (null !== $limit) {
-            $parameters['limit'] = (int) $limit;
-        }
-
-        return $this->client->makeRequest('/orders/packs/history', RetailcrmHttpClient::METHOD_GET, $parameters);
-    }
-
-    /**
-     * Create a customer
-     *
-     * @param  array       $customer
-     * @param  string      $site (default: null)
-     * @return ApiResponse
-     */
-    public function customersCreate(array $customer, $site = null)
-    {
-        if (!sizeof($customer)) {
-            throw new InvalidArgumentException('Parameter `customer` must contains a data');
-        }
-
-        return $this->client->makeRequest("/customers/create", RetailcrmHttpClient::METHOD_POST, $this->fillSite($site, array(
-            'customer' => json_encode($customer)
-        )));
-    }
-
-    /**
-     * Edit a customer
-     *
-     * @param  array       $customer
-     * @param  string      $by (default: 'externalId')
-     * @param  string      $site (default: null)
-     * @return ApiResponse
-     */
-    public function customersEdit(array $customer, $by = 'externalId', $site = null)
-    {
-        if (!sizeof($customer)) {
-            throw new InvalidArgumentException('Parameter `customer` must contains a data');
-        }
-
-        $this->checkIdParameter($by);
-
-        if (!isset($customer[$by])) {
-            throw new InvalidArgumentException(sprintf('Customer array must contain the "%s" parameter.', $by));
-        }
-
-        return $this->client->makeRequest(
-            "/customers/" . $customer[$by] . "/edit",
-            RetailcrmHttpClient::METHOD_POST,
-            $this->fillSite(
-                $site,
-                array(
-                    'customer' => json_encode($customer),
-                    'by' => $by
-                )
-            )
-        );
-    }
-
-    /**
-     * Upload array of the customers
-     *
-     * @param  array       $customers
-     * @param  string      $site (default: null)
-     * @return ApiResponse
-     */
-    public function customersUpload(array $customers, $site = null)
-    {
-        if (!sizeof($customers)) {
-            throw new InvalidArgumentException('Parameter `customers` must contains array of the customers');
-        }
-
-        return $this->client->makeRequest("/customers/upload", RetailcrmHttpClient::METHOD_POST, $this->fillSite($site, array(
-            'customers' => json_encode($customers),
-        )));
-    }
-
-    /**
-     * Get customer by id or externalId
-     *
-     * @param  string      $id
-     * @param  string      $by (default: 'externalId')
-     * @param  string      $site (default: null)
-     * @return ApiResponse
-     */
-    public function customersGet($id, $by = 'externalId', $site = null)
-    {
-        $this->checkIdParameter($by);
-
-        return $this->client->makeRequest("/customers/$id", RetailcrmHttpClient::METHOD_GET, $this->fillSite($site, array(
-            'by' => $by
-        )));
-    }
-
-    /**
-     * Returns filtered customers list
-     *
-     * @param  array       $filter (default: array())
-     * @param  int         $page (default: null)
-     * @param  int         $limit (default: null)
-     * @return ApiResponse
-     */
-    public function customersList(array $filter = array(), $page = null, $limit = null)
-    {
-        $parameters = array();
-
-        if (sizeof($filter)) {
-            $parameters['filter'] = $filter;
-        }
-        if (null !== $page) {
-            $parameters['page'] = (int) $page;
-        }
-        if (null !== $limit) {
-            $parameters['limit'] = (int) $limit;
-        }
-
-        return $this->client->makeRequest('/customers', RetailcrmHttpClient::METHOD_GET, $parameters);
-    }
-
-    /**
-     * Save customer IDs' (id and externalId) association in the CRM
-     *
-     * @param  array       $ids
-     * @return ApiResponse
-     */
-    public function customersFixExternalIds(array $ids)
-    {
-        if (!sizeof($ids)) {
-            throw new InvalidArgumentException('Method parameter must contains at least one IDs pair');
-        }
-
-        return $this->client->makeRequest("/customers/fix-external-ids", RetailcrmHttpClient::METHOD_POST, array(
-            'customers' => json_encode($ids),
-        ));
-    }
-
-    /**
-     * Get purchace prices & stock balance
-     *
-     * @param  array  $filter (default: array())
-     * @param  int    $page (default: null)
-     * @param  int    $limit (default: null)
-     * @param  string $site (default: null)
-     * @return ApiResponse
-     */
-    public function storeInventories(array $filter = array(), $page = null, $limit = null, $site = null)
-    {
-        $parameters = array();
-
-        if (sizeof($filter)) {
-            $parameters['filter'] = $filter;
-        }
-        if (null !== $page) {
-            $parameters['page'] = (int) $page;
-        }
-        if (null !== $limit) {
-            $parameters['limit'] = (int) $limit;
-        }
-
-        return $this->client->makeRequest('/store/inventories', RetailcrmHttpClient::METHOD_GET, $this->fillSite($site, $parameters));
-    }
-
-    /**
-     * Upload store inventories
-     *
-     * @param  array       $offers
-     * @param  string      $site (default: null)
-     * @return ApiResponse
-     */
-    public function storeInventoriesUpload(array $offers, $site = null)
-    {
-        if (!sizeof($offers)) {
-            throw new InvalidArgumentException('Parameter `offers` must contains array of the customers');
-        }
-
-        return $this->client->makeRequest(
-            "/store/inventories/upload",
-            RetailcrmHttpClient::METHOD_POST,
-            $this->fillSite($site, array('offers' => json_encode($offers)))
-        );
-    }
-
-    /**
-     * Returns deliveryServices list
-     *
-     * @return ApiResponse
-     */
-    public function deliveryServicesList()
-    {
-        return $this->client->makeRequest('/reference/delivery-services', RetailcrmHttpClient::METHOD_GET);
-    }
-
-    /**
-     * Returns deliveryTypes list
-     *
-     * @return ApiResponse
-     */
-    public function deliveryTypesList()
-    {
-        return $this->client->makeRequest('/reference/delivery-types', RetailcrmHttpClient::METHOD_GET);
-    }
-
-    /**
-     * Returns orderMethods list
-     *
-     * @return ApiResponse
-     */
-    public function orderMethodsList()
-    {
-        return $this->client->makeRequest('/reference/order-methods', RetailcrmHttpClient::METHOD_GET);
-    }
-
-    /**
-     * Returns orderTypes list
-     *
-     * @return ApiResponse
-     */
-    public function orderTypesList()
-    {
-        return $this->client->makeRequest('/reference/order-types', RetailcrmHttpClient::METHOD_GET);
-    }
-
-    /**
-     * Returns paymentStatuses list
-     *
-     * @return ApiResponse
-     */
-    public function paymentStatusesList()
-    {
-        return $this->client->makeRequest('/reference/payment-statuses', RetailcrmHttpClient::METHOD_GET);
-    }
-
-    /**
-     * Returns paymentTypes list
-     *
-     * @return ApiResponse
-     */
-    public function paymentTypesList()
-    {
-        return $this->client->makeRequest('/reference/payment-types', RetailcrmHttpClient::METHOD_GET);
-    }
-
-    /**
-     * Returns productStatuses list
-     *
-     * @return ApiResponse
-     */
-    public function productStatusesList()
-    {
-        return $this->client->makeRequest('/reference/product-statuses', RetailcrmHttpClient::METHOD_GET);
-    }
-
-    /**
-     * Returns statusGroups list
-     *
-     * @return ApiResponse
-     */
-    public function statusGroupsList()
-    {
-        return $this->client->makeRequest('/reference/status-groups', RetailcrmHttpClient::METHOD_GET);
-    }
-
-    /**
-     * Returns statuses list
-     *
-     * @return ApiResponse
-     */
-    public function statusesList()
-    {
-        return $this->client->makeRequest('/reference/statuses', RetailcrmHttpClient::METHOD_GET);
-    }
-
-    /**
-     * Returns sites list
-     *
-     * @return ApiResponse
-     */
-    public function sitesList()
-    {
-        return $this->client->makeRequest('/reference/sites', RetailcrmHttpClient::METHOD_GET);
-    }
-
-    /**
-     * Returns stores list
-     *
-     * @return ApiResponse
-     */
-    public function storesList()
-    {
-        return $this->client->makeRequest('/reference/stores', RetailcrmHttpClient::METHOD_GET);
-    }
-
-    /**
-     * Edit deliveryService
-     *
-     * @param array $data delivery service data
-     * @return ApiResponse
-     */
-    public function deliveryServicesEdit(array $data)
-    {
-        if (!isset($data['code'])) {
-            throw new InvalidArgumentException('Data must contain "code" parameter.');
-        }
-
-        return $this->client->makeRequest(
-            '/reference/delivery-services/' . $data['code'] . '/edit',
-            RetailcrmHttpClient::METHOD_POST,
-            array(
-                'deliveryService' => json_encode($data)
-            )
-        );
-    }
-
-    /**
-     * Edit deliveryType
-     *
-     * @param array $data delivery type data
-     * @return ApiResponse
-     */
-    public function deliveryTypesEdit(array $data)
-    {
-        if (!isset($data['code'])) {
-            throw new InvalidArgumentException('Data must contain "code" parameter.');
-        }
-
-        return $this->client->makeRequest(
-            '/reference/delivery-types/' . $data['code'] . '/edit',
-            RetailcrmHttpClient::METHOD_POST,
-            array(
-                'deliveryType' => json_encode($data)
-            )
-        );
-    }
-
-    /**
-     * Edit orderMethod
-     *
-     * @param array $data order method data
-     * @return ApiResponse
-     */
-    public function orderMethodsEdit(array $data)
-    {
-        if (!isset($data['code'])) {
-            throw new InvalidArgumentException('Data must contain "code" parameter.');
-        }
-
-        return $this->client->makeRequest(
-            '/reference/order-methods/' . $data['code'] . '/edit',
-            RetailcrmHttpClient::METHOD_POST,
-            array(
-                'orderMethod' => json_encode($data)
-            )
-        );
-    }
-
-    /**
-     * Edit orderType
-     *
-     * @param array $data order type data
-     * @return ApiResponse
-     */
-    public function orderTypesEdit(array $data)
-    {
-        if (!isset($data['code'])) {
-            throw new InvalidArgumentException('Data must contain "code" parameter.');
-        }
-
-        return $this->client->makeRequest(
-            '/reference/order-types/' . $data['code'] . '/edit',
-            RetailcrmHttpClient::METHOD_POST,
-            array(
-                'orderType' => json_encode($data)
-            )
-        );
-    }
-
-    /**
-     * Edit paymentStatus
-     *
-     * @param array $data payment status data
-     * @return ApiResponse
-     */
-    public function paymentStatusesEdit(array $data)
-    {
-        if (!isset($data['code'])) {
-            throw new InvalidArgumentException('Data must contain "code" parameter.');
-        }
-
-        return $this->client->makeRequest(
-            '/reference/payment-statuses/' . $data['code'] . '/edit',
-            RetailcrmHttpClient::METHOD_POST,
-            array(
-                'paymentStatus' => json_encode($data)
-            )
-        );
-    }
-
-    /**
-     * Edit paymentType
-     *
-     * @param array $data payment type data
-     * @return ApiResponse
-     */
-    public function paymentTypesEdit(array $data)
-    {
-        if (!isset($data['code'])) {
-            throw new InvalidArgumentException('Data must contain "code" parameter.');
-        }
-
-        return $this->client->makeRequest(
-            '/reference/payment-types/' . $data['code'] . '/edit',
-            RetailcrmHttpClient::METHOD_POST,
-            array(
-                'paymentType' => json_encode($data)
-            )
-        );
-    }
-
-    /**
-     * Edit productStatus
-     *
-     * @param array $data product status data
-     * @return ApiResponse
-     */
-    public function productStatusesEdit(array $data)
-    {
-        if (!isset($data['code'])) {
-            throw new InvalidArgumentException('Data must contain "code" parameter.');
-        }
-
-        return $this->client->makeRequest(
-            '/reference/product-statuses/' . $data['code'] . '/edit',
-            RetailcrmHttpClient::METHOD_POST,
-            array(
-                'productStatus' => json_encode($data)
-            )
-        );
-    }
-
-    /**
-     * Edit order status
-     *
-     * @param array $data status data
-     * @return ApiResponse
-     */
-    public function statusesEdit(array $data)
-    {
-        if (!isset($data['code'])) {
-            throw new InvalidArgumentException('Data must contain "code" parameter.');
-        }
-
-        return $this->client->makeRequest(
-            '/reference/statuses/' . $data['code'] . '/edit',
-            RetailcrmHttpClient::METHOD_POST,
-            array(
-                'status' => json_encode($data)
-            )
-        );
-    }
-
-    /**
-     * Edit site
-     *
-     * @param array $data site data
-     * @return ApiResponse
-     */
-    public function sitesEdit(array $data)
-    {
-        if (!isset($data['code'])) {
-            throw new InvalidArgumentException('Data must contain "code" parameter.');
-        }
-
-        return $this->client->makeRequest(
-            '/reference/sites/' . $data['code'] . '/edit',
-            RetailcrmHttpClient::METHOD_POST,
-            array(
-                'site' => json_encode($data)
-            )
-        );
-    }
-
-    /**
-     * Edit store
-     *
-     * @param array $data site data
-     * @return ApiResponse
-     */
-    public function storesEdit(array $data)
-    {
-        if (!isset($data['code'])) {
-            throw new InvalidArgumentException('Data must contain "code" parameter.');
-        }
-
-        if (!isset($data['name'])) {
-            throw new InvalidArgumentException('Data must contain "name" parameter.');
-        }
-
-        return $this->client->makeRequest(
-            '/reference/stores/' . $data['code'] . '/edit',
-            RetailcrmHttpClient::METHOD_POST,
-            array(
-                'store' => json_encode($data)
-            )
-        );
-    }
-
-    /**
-     * Update CRM basic statistic
-     *
-     * @return ApiResponse
-     */
-    public function statisticUpdate()
-    {
-        return $this->client->makeRequest('/statistic/update', RetailcrmHttpClient::METHOD_GET);
-    }
-
-    /**
-     * Return current site
-     *
-     * @return string
-     */
-    public function getSite()
-    {
-        return $this->siteCode;
-    }
-
-    /**
-     * Set site
-     *
-     * @param  string $site
-     * @return void
-     */
-    public function setSite($site)
-    {
-        $this->siteCode = $site;
-    }
-
-    /**
-     * Check ID parameter
-     *
-     * @param  string $by
-     * @return bool
-     */
-    protected function checkIdParameter($by)
-    {
-        $allowedForBy = array('externalId', 'id');
-        if (!in_array($by, $allowedForBy)) {
-            throw new InvalidArgumentException(sprintf(
-                'Value "%s" for parameter "by" is not valid. Allowed values are %s.',
-                $by,
-                implode(', ', $allowedForBy)
-            ));
-        }
-
-        return true;
-    }
-
-    /**
-     * Fill params by site value
-     *
-     * @param  string $site
-     * @param  array $params
-     * @return array
-     */
-    protected function fillSite($site, array $params)
-    {
-        if ($site) {
-            $params['site'] = $site;
-        } elseif ($this->siteCode) {
-            $params['site'] = $this->siteCode;
-        }
-
-        return $params;
-    }
-}
diff --git a/src/upload/system/library/retailcrm/RetailcrmApiClient4.php b/src/upload/system/library/retailcrm/RetailcrmApiClient4.php
deleted file mode 100644
index 1436175..0000000
--- a/src/upload/system/library/retailcrm/RetailcrmApiClient4.php
+++ /dev/null
@@ -1,1771 +0,0 @@
-<?php
-/**
- * PHP version 5.3
- *
- * API client class
- *
- * @category RetailCrm
- * @package  RetailCrm
- * @author   RetailCrm <integration@retailcrm.ru>
- * @license  https://opensource.org/licenses/MIT MIT License
- * @link     http://www.retailcrm.ru/docs/Developers/ApiVersion4
- */
-class RetailcrmApiClient4
-{
-    protected $client;
-
-    /**
-     * Site code
-     */
-    protected $siteCode;
-
-    /**
-     * Client creating
-     *
-     * @param string $url    api url
-     * @param string $apiKey api key
-     * @param string $site   site code
-     *
-     * @throws \InvalidArgumentException
-     *
-     * @return mixed
-     */
-    public function __construct($url, $apiKey, $version = null, $site = null)
-    {
-        if ('/' !== $url[strlen($url) - 1]) {
-            $url .= '/';
-        }
-        
-        $url = $version == null ? $url . 'api' : $url . 'api/' . $version;
-
-        $this->client = new RetailcrmHttpClient($url, array('apiKey' => $apiKey));
-        $this->siteCode = $site;
-    }
-    
-    /**
-     * Returns api versions list
-     * 
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \InvalidArgumentException
-     * 
-     * @return ApiResponse
-     */
-    public function apiVersions()
-    {
-        return $this->client->makeRequest('/api-versions', RetailcrmHttpClient::METHOD_GET);
-    }
-
-    /**
-     * Returns users list
-     *
-     * @param array $filter
-     * @param null  $page
-     * @param null  $limit
-     *
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \InvalidArgumentException
-     *
-     * @return ApiResponse
-     */
-    public function usersList(array $filter = array(), $page = null, $limit = null)
-    {
-        $parameters = array();
-
-        if (count($filter)) {
-            $parameters['filter'] = $filter;
-        }
-        if (null !== $page) {
-            $parameters['page'] = (int) $page;
-        }
-        if (null !== $limit) {
-            $parameters['limit'] = (int) $limit;
-        }
-
-        return $this->client->makeRequest(
-            '/users',
-            RetailcrmHttpClient::METHOD_GET,
-            $parameters
-        );
-    }
-
-    /**
-     * Returns user data
-     *
-     * @param integer $id user ID
-     *
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \InvalidArgumentException
-     *
-     * @return ApiResponse
-     */
-    public function usersGet($id)
-    {
-        return $this->client->makeRequest("/users/$id", RetailcrmHttpClient::METHOD_GET);
-    }
-
-    /**
-     * Returns filtered orders list
-     *
-     * @param array $filter (default: array())
-     * @param int   $page   (default: null)
-     * @param int   $limit  (default: null)
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function ordersList(array $filter = array(), $page = null, $limit = null)
-    {
-        $parameters = array();
-
-        if (count($filter)) {
-            $parameters['filter'] = $filter;
-        }
-        if (null !== $page) {
-            $parameters['page'] = (int) $page;
-        }
-        if (null !== $limit) {
-            $parameters['limit'] = (int) $limit;
-        }
-
-        return $this->client->makeRequest(
-            '/orders',
-            RetailcrmHttpClient::METHOD_GET,
-            $parameters
-        );
-    }
-
-    /**
-     * Create a order
-     *
-     * @param array  $order order data
-     * @param string $site  (default: null)
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function ordersCreate(array $order, $site = null)
-    {
-        if (!count($order)) {
-            throw new \InvalidArgumentException(
-                'Parameter `order` must contains a data'
-            );
-        }
-
-        return $this->client->makeRequest(
-            '/orders/create',
-            RetailcrmHttpClient::METHOD_POST,
-            $this->fillSite($site, array('order' => json_encode($order)))
-        );
-    }
-
-    /**
-     * Save order IDs' (id and externalId) association in the CRM
-     *
-     * @param array $ids order identificators
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function ordersFixExternalIds(array $ids)
-    {
-        if (! count($ids)) {
-            throw new \InvalidArgumentException(
-                'Method parameter must contains at least one IDs pair'
-            );
-        }
-
-        return $this->client->makeRequest(
-            '/orders/fix-external-ids',
-            RetailcrmHttpClient::METHOD_POST,
-            array('orders' => json_encode($ids)
-            )
-        );
-    }
-
-    /**
-     * Returns statuses of the orders
-     *
-     * @param array $ids         (default: array())
-     * @param array $externalIds (default: array())
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function ordersStatuses(array $ids = array(), array $externalIds = array())
-    {
-        $parameters = array();
-
-        if (count($ids)) {
-            $parameters['ids'] = $ids;
-        }
-        if (count($externalIds)) {
-            $parameters['externalIds'] = $externalIds;
-        }
-
-        return $this->client->makeRequest(
-            '/orders/statuses',
-            RetailcrmHttpClient::METHOD_GET,
-            $parameters
-        );
-    }
-
-    /**
-     * Upload array of the orders
-     *
-     * @param array  $orders array of orders
-     * @param string $site   (default: null)
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function ordersUpload(array $orders, $site = null)
-    {
-        if (!count($orders)) {
-            throw new \InvalidArgumentException(
-                'Parameter `orders` must contains array of the orders'
-            );
-        }
-
-        return $this->client->makeRequest(
-            '/orders/upload',
-            RetailcrmHttpClient::METHOD_POST,
-            $this->fillSite($site, array('orders' => json_encode($orders)))
-        );
-    }
-
-    /**
-     * Get order by id or externalId
-     *
-     * @param string $id   order identificator
-     * @param string $by   (default: 'externalId')
-     * @param string $site (default: null)
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function ordersGet($id, $by = 'externalId', $site = null)
-    {
-        $this->checkIdParameter($by);
-
-        return $this->client->makeRequest(
-            "/orders/$id",
-            RetailcrmHttpClient::METHOD_GET,
-            $this->fillSite($site, array('by' => $by))
-        );
-    }
-
-    /**
-     * Edit a order
-     *
-     * @param array  $order order data
-     * @param string $by    (default: 'externalId')
-     * @param string $site  (default: null)
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function ordersEdit(array $order, $by = 'externalId', $site = null)
-    {
-        if (!count($order)) {
-            throw new \InvalidArgumentException(
-                'Parameter `order` must contains a data'
-            );
-        }
-
-        $this->checkIdParameter($by);
-
-        if (!array_key_exists($by, $order)) {
-            throw new \InvalidArgumentException(
-                sprintf('Order array must contain the "%s" parameter.', $by)
-            );
-        }
-
-        return $this->client->makeRequest(
-            sprintf('/orders/%s/edit', $order[$by]),
-            RetailcrmHttpClient::METHOD_POST,
-            $this->fillSite(
-                $site,
-                array('order' => json_encode($order), 'by' => $by)
-            )
-        );
-    }
-
-    /**
-     * Get orders history
-     * @param array $filter
-     * @param null $page
-     * @param null $limit
-     *
-     * @return ApiResponse
-     */
-    public function ordersHistory(array $filter = array(), $page = null, $limit = null)
-    {
-        $parameters = array();
-
-        if (count($filter)) {
-            $parameters['filter'] = $filter;
-        }
-        if (null !== $page) {
-            $parameters['page'] = (int) $page;
-        }
-        if (null !== $limit) {
-            $parameters['limit'] = (int) $limit;
-        }
-
-        return $this->client->makeRequest(
-            '/orders/history',
-            RetailcrmHttpClient::METHOD_GET,
-            $parameters
-        );
-    }
-
-    /**
-     * Returns filtered customers list
-     *
-     * @param array $filter (default: array())
-     * @param int   $page   (default: null)
-     * @param int   $limit  (default: null)
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function customersList(array $filter = array(), $page = null, $limit = null)
-    {
-        $parameters = array();
-
-        if (count($filter)) {
-            $parameters['filter'] = $filter;
-        }
-        if (null !== $page) {
-            $parameters['page'] = (int) $page;
-        }
-        if (null !== $limit) {
-            $parameters['limit'] = (int) $limit;
-        }
-
-        return $this->client->makeRequest(
-            '/customers',
-            RetailcrmHttpClient::METHOD_GET,
-            $parameters
-        );
-    }
-
-    /**
-     * Create a customer
-     *
-     * @param array  $customer customer data
-     * @param string $site     (default: null)
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function customersCreate(array $customer, $site = null)
-    {
-        if (! count($customer)) {
-            throw new \InvalidArgumentException(
-                'Parameter `customer` must contains a data'
-            );
-        }
-
-        return $this->client->makeRequest(
-            '/customers/create',
-            RetailcrmHttpClient::METHOD_POST,
-            $this->fillSite($site, array('customer' => json_encode($customer)))
-        );
-    }
-
-    /**
-     * Save customer IDs' (id and externalId) association in the CRM
-     *
-     * @param array $ids ids mapping
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function customersFixExternalIds(array $ids)
-    {
-        if (! count($ids)) {
-            throw new \InvalidArgumentException(
-                'Method parameter must contains at least one IDs pair'
-            );
-        }
-
-        return $this->client->makeRequest(
-            '/customers/fix-external-ids',
-            RetailcrmHttpClient::METHOD_POST,
-            array('customers' => json_encode($ids))
-        );
-    }
-
-    /**
-     * Upload array of the customers
-     *
-     * @param array  $customers array of customers
-     * @param string $site      (default: null)
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function customersUpload(array $customers, $site = null)
-    {
-        if (! count($customers)) {
-            throw new \InvalidArgumentException(
-                'Parameter `customers` must contains array of the customers'
-            );
-        }
-
-        return $this->client->makeRequest(
-            '/customers/upload',
-            RetailcrmHttpClient::METHOD_POST,
-            $this->fillSite($site, array('customers' => json_encode($customers)))
-        );
-    }
-
-    /**
-     * Get customer by id or externalId
-     *
-     * @param string $id   customer identificator
-     * @param string $by   (default: 'externalId')
-     * @param string $site (default: null)
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function customersGet($id, $by = 'externalId', $site = null)
-    {
-        $this->checkIdParameter($by);
-
-        return $this->client->makeRequest(
-            "/customers/$id",
-            RetailcrmHttpClient::METHOD_GET,
-            $this->fillSite($site, array('by' => $by))
-        );
-    }
-
-    /**
-     * Edit a customer
-     *
-     * @param array  $customer customer data
-     * @param string $by       (default: 'externalId')
-     * @param string $site     (default: null)
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function customersEdit(array $customer, $by = 'externalId', $site = null)
-    {
-        if (!count($customer)) {
-            throw new \InvalidArgumentException(
-                'Parameter `customer` must contains a data'
-            );
-        }
-
-        $this->checkIdParameter($by);
-
-        if (!array_key_exists($by, $customer)) {
-            throw new \InvalidArgumentException(
-                sprintf('Customer array must contain the "%s" parameter.', $by)
-            );
-        }
-
-        return $this->client->makeRequest(
-            sprintf('/customers/%s/edit', $customer[$by]),
-            RetailcrmHttpClient::METHOD_POST,
-            $this->fillSite(
-                $site,
-                array('customer' => json_encode($customer), 'by' => $by)
-            )
-        );
-    }
-
-    /**
-     * Get customers history
-     * @param array $filter
-     * @param null $page
-     * @param null $limit
-     *
-     * @return ApiResponse
-     */
-    public function customersHistory(array $filter = array(), $page = null, $limit = null)
-    {
-        $parameters = array();
-
-        if (count($filter)) {
-            $parameters['filter'] = $filter;
-        }
-        if (null !== $page) {
-            $parameters['page'] = (int) $page;
-        }
-        if (null !== $limit) {
-            $parameters['limit'] = (int) $limit;
-        }
-
-        return $this->client->makeRequest(
-            '/customers/history',
-            RetailcrmHttpClient::METHOD_GET,
-            $parameters
-        );
-    }
-
-    /**
-     * Get orders assembly list
-     *
-     * @param array $filter (default: array())
-     * @param int   $page   (default: null)
-     * @param int   $limit  (default: null)
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function ordersPacksList(array $filter = array(), $page = null, $limit = null)
-    {
-        $parameters = array();
-
-        if (count($filter)) {
-            $parameters['filter'] = $filter;
-        }
-        if (null !== $page) {
-            $parameters['page'] = (int) $page;
-        }
-        if (null !== $limit) {
-            $parameters['limit'] = (int) $limit;
-        }
-
-        return $this->client->makeRequest(
-            '/orders/packs',
-            RetailcrmHttpClient::METHOD_GET,
-            $parameters
-        );
-    }
-
-    /**
-     * Create orders assembly
-     *
-     * @param array  $pack pack data
-     * @param string $site (default: null)
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function ordersPacksCreate(array $pack, $site = null)
-    {
-        if (!count($pack)) {
-            throw new \InvalidArgumentException(
-                'Parameter `pack` must contains a data'
-            );
-        }
-
-        return $this->client->makeRequest(
-            '/orders/packs/create',
-            RetailcrmHttpClient::METHOD_POST,
-            $this->fillSite($site, array('pack' => json_encode($pack)))
-        );
-    }
-
-    /**
-     * Get orders assembly history
-     *
-     * @param array $filter (default: array())
-     * @param int   $page   (default: null)
-     * @param int   $limit  (default: null)
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function ordersPacksHistory(array $filter = array(), $page = null, $limit = null)
-    {
-        $parameters = array();
-
-        if (count($filter)) {
-            $parameters['filter'] = $filter;
-        }
-        if (null !== $page) {
-            $parameters['page'] = (int) $page;
-        }
-        if (null !== $limit) {
-            $parameters['limit'] = (int) $limit;
-        }
-
-        return $this->client->makeRequest(
-            '/orders/packs/history',
-            RetailcrmHttpClient::METHOD_GET,
-            $parameters
-        );
-    }
-
-    /**
-     * Get orders assembly by id
-     *
-     * @param string $id pack identificator
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function ordersPacksGet($id)
-    {
-        if (empty($id)) {
-            throw new \InvalidArgumentException('Parameter `id` must be set');
-        }
-
-        return $this->client->makeRequest(
-            "/orders/packs/$id",
-            RetailcrmHttpClient::METHOD_GET
-        );
-    }
-
-    /**
-     * Delete orders assembly by id
-     *
-     * @param string $id pack identificator
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function ordersPacksDelete($id)
-    {
-        if (empty($id)) {
-            throw new \InvalidArgumentException('Parameter `id` must be set');
-        }
-
-        return $this->client->makeRequest(
-            sprintf('/orders/packs/%s/delete', $id),
-            RetailcrmHttpClient::METHOD_POST
-        );
-    }
-
-    /**
-     * Edit orders assembly
-     *
-     * @param array  $pack pack data
-     * @param string $site (default: null)
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function ordersPacksEdit(array $pack, $site = null)
-    {
-        if (!count($pack) || empty($pack['id'])) {
-            throw new \InvalidArgumentException(
-                'Parameter `pack` must contains a data & pack `id` must be set'
-            );
-        }
-
-        return $this->client->makeRequest(
-            sprintf('/orders/packs/%s/edit', $pack['id']),
-            RetailcrmHttpClient::METHOD_POST,
-            $this->fillSite($site, array('pack' => json_encode($pack)))
-        );
-    }
-
-    /**
-     * Get purchace prices & stock balance
-     *
-     * @param array $filter (default: array())
-     * @param int   $page   (default: null)
-     * @param int   $limit  (default: null)
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function storeInventories(array $filter = array(), $page = null, $limit = null)
-    {
-        $parameters = array();
-
-        if (count($filter)) {
-            $parameters['filter'] = $filter;
-        }
-        if (null !== $page) {
-            $parameters['page'] = (int) $page;
-        }
-        if (null !== $limit) {
-            $parameters['limit'] = (int) $limit;
-        }
-
-        return $this->client->makeRequest(
-            '/store/inventories',
-            RetailcrmHttpClient::METHOD_GET,
-            $parameters
-        );
-    }
-
-    /**
-     * Get store settings
-     *
-     * @param string $code get settings code
-     *
-     * @return ApiResponse
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \InvalidArgumentException
-     *
-     * @return ApiResponse
-     */
-    public function storeSettingsGet($code)
-    {
-        if (empty($code)) {
-            throw new \InvalidArgumentException('Parameter `code` must be set');
-        }
-
-        return $this->client->makeRequest(
-            "/store/setting/$code",
-            RetailcrmHttpClient::METHOD_GET
-        );
-    }
-
-    /**
-     * Edit store configuration
-     *
-     * @param array $configuration
-     *
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \InvalidArgumentException
-     *
-     * @return ApiResponse
-     */
-    public function storeSettingsEdit(array $configuration)
-    {
-        if (!count($configuration) || empty($configuration['code'])) {
-            throw new \InvalidArgumentException(
-                'Parameter `configuration` must contains a data & configuration `code` must be set'
-            );
-        }
-
-        return $this->client->makeRequest(
-            sprintf('/store/setting/%s/edit', $configuration['code']),
-            RetailcrmHttpClient::METHOD_POST,
-            $configuration
-        );
-    }
-
-    /**
-     * Upload store inventories
-     *
-     * @param array  $offers offers data
-     * @param string $site   (default: null)
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function storeInventoriesUpload(array $offers, $site = null)
-    {
-        if (!count($offers)) {
-            throw new \InvalidArgumentException(
-                'Parameter `offers` must contains array of the offers'
-            );
-        }
-
-        return $this->client->makeRequest(
-            '/store/inventories/upload',
-            RetailcrmHttpClient::METHOD_POST,
-            $this->fillSite($site, array('offers' => json_encode($offers)))
-        );
-    }
-
-    /**
-     * Get products
-     *
-     * @param array $filter (default: array())
-     * @param int   $page   (default: null)
-     * @param int   $limit  (default: null)
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function storeProducts(array $filter = array(), $page = null, $limit = null)
-    {
-        $parameters = array();
-
-        if (count($filter)) {
-            $parameters['filter'] = $filter;
-        }
-        if (null !== $page) {
-            $parameters['page'] = (int) $page;
-        }
-        if (null !== $limit) {
-            $parameters['limit'] = (int) $limit;
-        }
-
-        return $this->client->makeRequest(
-            '/store/products',
-            RetailcrmHttpClient::METHOD_GET,
-            $parameters
-        );
-    }
-
-    /**
-     * Upload prices
-     *
-     * @param array $prices (default: array())
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function storePricesUpload(array $prices = array())
-    {
-        return $this->client->makeRequest(
-            '/store/prices/upload',
-            RetailcrmHttpClient::METHOD_POST,
-            array('prices' => json_encode($prices))
-        );
-    }
-
-    /**
-     * Get delivery settings
-     *
-     * @param string $code
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function deliverySettingsGet($code)
-    {
-        if (empty($code)) {
-            throw new \InvalidArgumentException('Parameter `code` must be set');
-        }
-
-        return $this->client->makeRequest(
-            "/delivery/generic/setting/$code",
-            RetailcrmHttpClient::METHOD_GET
-        );
-    }
-
-    /**
-     * Edit delivery configuration
-     *
-     * @param array $configuration
-     *
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \InvalidArgumentException
-     *
-     * @return ApiResponse
-     */
-    public function deliverySettingsEdit(array $configuration)
-    {
-        if (!count($configuration) || empty($configuration['code'])) {
-            throw new \InvalidArgumentException(
-                'Parameter `configuration` must contains a data & configuration `code` must be set'
-            );
-        }
-
-        return $this->client->makeRequest(
-            sprintf('/delivery/generic/setting/%s/edit', $configuration['code']),
-            RetailcrmHttpClient::METHOD_POST,
-            array('configuration' => json_encode($configuration))
-        );
-    }
-
-    /**
-     * Delivery tracking update
-     *
-     * @param string $code
-     * @param array  $statusUpdate
-     *
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \InvalidArgumentException
-     *
-     * @return ApiResponse
-     */
-    public function deliveryTracking($code, array $statusUpdate)
-    {
-        if (empty($code)) {
-            throw new \InvalidArgumentException('Parameter `code` must be set');
-        }
-
-        if (!count($statusUpdate)) {
-            throw new \InvalidArgumentException(
-                'Parameter `statusUpdate` must contains a data'
-            );
-        }
-
-        return $this->client->makeRequest(
-            sprintf('/delivery/generic/%s/tracking', $code),
-            RetailcrmHttpClient::METHOD_POST,
-            $statusUpdate
-        );
-    }
-
-    /**
-     * Returns available county list
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function countriesList()
-    {
-        return $this->client->makeRequest(
-            '/reference/countries',
-            RetailcrmHttpClient::METHOD_GET
-        );
-    }
-
-    /**
-     * Returns deliveryServices list
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function deliveryServicesList()
-    {
-        return $this->client->makeRequest(
-            '/reference/delivery-services',
-            RetailcrmHttpClient::METHOD_GET
-        );
-    }
-
-    /**
-     * Edit deliveryService
-     *
-     * @param array $data delivery service data
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function deliveryServicesEdit(array $data)
-    {
-        if (!array_key_exists('code', $data)) {
-            throw new \InvalidArgumentException(
-                'Data must contain "code" parameter.'
-            );
-        }
-
-        return $this->client->makeRequest(
-            sprintf('/reference/delivery-services/%s/edit', $data['code']),
-            RetailcrmHttpClient::METHOD_POST,
-            array('deliveryService' => json_encode($data))
-        );
-    }
-
-    /**
-     * Returns deliveryTypes list
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function deliveryTypesList()
-    {
-        return $this->client->makeRequest(
-            '/reference/delivery-types',
-            RetailcrmHttpClient::METHOD_GET
-        );
-    }
-
-    /**
-     * Edit deliveryType
-     *
-     * @param array $data delivery type data
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function deliveryTypesEdit(array $data)
-    {
-        if (!array_key_exists('code', $data)) {
-            throw new \InvalidArgumentException(
-                'Data must contain "code" parameter.'
-            );
-        }
-
-        return $this->client->makeRequest(
-            sprintf('/reference/delivery-types/%s/edit', $data['code']),
-            RetailcrmHttpClient::METHOD_POST,
-            array('deliveryType' => json_encode($data))
-        );
-    }
-
-    /**
-     * Returns orderMethods list
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function orderMethodsList()
-    {
-        return $this->client->makeRequest(
-            '/reference/order-methods',
-            RetailcrmHttpClient::METHOD_GET
-        );
-    }
-
-    /**
-     * Edit orderMethod
-     *
-     * @param array $data order method data
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function orderMethodsEdit(array $data)
-    {
-        if (!array_key_exists('code', $data)) {
-            throw new \InvalidArgumentException(
-                'Data must contain "code" parameter.'
-            );
-        }
-
-        return $this->client->makeRequest(
-            sprintf('/reference/order-methods/%s/edit', $data['code']),
-            RetailcrmHttpClient::METHOD_POST,
-            array('orderMethod' => json_encode($data))
-        );
-    }
-
-    /**
-     * Returns orderTypes list
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function orderTypesList()
-    {
-        return $this->client->makeRequest(
-            '/reference/order-types',
-            RetailcrmHttpClient::METHOD_GET
-        );
-    }
-
-    /**
-     * Edit orderType
-     *
-     * @param array $data order type data
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function orderTypesEdit(array $data)
-    {
-        if (!array_key_exists('code', $data)) {
-            throw new \InvalidArgumentException(
-                'Data must contain "code" parameter.'
-            );
-        }
-
-        return $this->client->makeRequest(
-            sprintf('/reference/order-types/%s/edit', $data['code']),
-            RetailcrmHttpClient::METHOD_POST,
-            array('orderType' => json_encode($data))
-        );
-    }
-
-    /**
-     * Returns paymentStatuses list
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function paymentStatusesList()
-    {
-        return $this->client->makeRequest(
-            '/reference/payment-statuses',
-            RetailcrmHttpClient::METHOD_GET
-        );
-    }
-
-    /**
-     * Edit paymentStatus
-     *
-     * @param array $data payment status data
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function paymentStatusesEdit(array $data)
-    {
-        if (!array_key_exists('code', $data)) {
-            throw new \InvalidArgumentException(
-                'Data must contain "code" parameter.'
-            );
-        }
-
-        return $this->client->makeRequest(
-            sprintf('/reference/payment-statuses/%s/edit', $data['code']),
-            RetailcrmHttpClient::METHOD_POST,
-            array('paymentStatus' => json_encode($data))
-        );
-    }
-
-    /**
-     * Returns paymentTypes list
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function paymentTypesList()
-    {
-        return $this->client->makeRequest(
-            '/reference/payment-types',
-            RetailcrmHttpClient::METHOD_GET
-        );
-    }
-
-    /**
-     * Edit paymentType
-     *
-     * @param array $data payment type data
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function paymentTypesEdit(array $data)
-    {
-        if (!array_key_exists('code', $data)) {
-            throw new \InvalidArgumentException(
-                'Data must contain "code" parameter.'
-            );
-        }
-
-        return $this->client->makeRequest(
-            sprintf('/reference/payment-types/%s/edit', $data['code']),
-            RetailcrmHttpClient::METHOD_POST,
-            array('paymentType' => json_encode($data))
-        );
-    }
-
-    /**
-     * Returns productStatuses list
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function productStatusesList()
-    {
-        return $this->client->makeRequest(
-            '/reference/product-statuses',
-            RetailcrmHttpClient::METHOD_GET
-        );
-    }
-
-    /**
-     * Edit productStatus
-     *
-     * @param array $data product status data
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function productStatusesEdit(array $data)
-    {
-        if (!array_key_exists('code', $data)) {
-            throw new \InvalidArgumentException(
-                'Data must contain "code" parameter.'
-            );
-        }
-
-        return $this->client->makeRequest(
-            sprintf('/reference/product-statuses/%s/edit', $data['code']),
-            RetailcrmHttpClient::METHOD_POST,
-            array('productStatus' => json_encode($data))
-        );
-    }
-
-    /**
-     * Returns sites list
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function sitesList()
-    {
-        return $this->client->makeRequest(
-            '/reference/sites',
-            RetailcrmHttpClient::METHOD_GET
-        );
-    }
-
-    /**
-     * Edit site
-     *
-     * @param array $data site data
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function sitesEdit(array $data)
-    {
-        if (!array_key_exists('code', $data)) {
-            throw new \InvalidArgumentException(
-                'Data must contain "code" parameter.'
-            );
-        }
-
-        return $this->client->makeRequest(
-            sprintf('/reference/sites/%s/edit', $data['code']),
-            RetailcrmHttpClient::METHOD_POST,
-            array('site' => json_encode($data))
-        );
-    }
-
-    /**
-     * Returns statusGroups list
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function statusGroupsList()
-    {
-        return $this->client->makeRequest(
-            '/reference/status-groups',
-            RetailcrmHttpClient::METHOD_GET
-        );
-    }
-
-    /**
-     * Returns statuses list
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function statusesList()
-    {
-        return $this->client->makeRequest(
-            '/reference/statuses',
-            RetailcrmHttpClient::METHOD_GET
-        );
-    }
-
-    /**
-     * Edit order status
-     *
-     * @param array $data status data
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function statusesEdit(array $data)
-    {
-        if (!array_key_exists('code', $data)) {
-            throw new \InvalidArgumentException(
-                'Data must contain "code" parameter.'
-            );
-        }
-
-        return $this->client->makeRequest(
-            sprintf('/reference/statuses/%s/edit', $data['code']),
-            RetailcrmHttpClient::METHOD_POST,
-            array('status' => json_encode($data))
-        );
-    }
-
-    /**
-     * Returns stores list
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function storesList()
-    {
-        return $this->client->makeRequest(
-            '/reference/stores',
-            RetailcrmHttpClient::METHOD_GET
-        );
-    }
-
-    /**
-     * Edit store
-     *
-     * @param array $data site data
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function storesEdit(array $data)
-    {
-        if (!array_key_exists('code', $data)) {
-            throw new \InvalidArgumentException(
-                'Data must contain "code" parameter.'
-            );
-        }
-
-        if (!array_key_exists('name', $data)) {
-            throw new \InvalidArgumentException(
-                'Data must contain "name" parameter.'
-            );
-        }
-
-        return $this->client->makeRequest(
-            sprintf('/reference/stores/%s/edit', $data['code']),
-            RetailcrmHttpClient::METHOD_POST,
-            array('store' => json_encode($data))
-        );
-    }
-
-    /**
-     * Returns price types list
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function priceTypesList()
-    {
-        return $this->client->makeRequest(
-            '/reference/price-types',
-            RetailcrmHttpClient::METHOD_GET
-        );
-    }
-
-    /**
-     * Get telephony settings
-     *
-     * @param string $code
-     *
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \InvalidArgumentException
-     *
-     * @return ApiResponse
-     */
-    public function telephonySettingsGet($code)
-    {
-        if (empty($code)) {
-            throw new \InvalidArgumentException('Parameter `code` must be set');
-        }
-
-        return $this->client->makeRequest(
-            "/telephony/setting/$code",
-            RetailcrmHttpClient::METHOD_GET
-        );
-    }
-
-    /**
-     * Edit telephony settings
-     *
-     * @param string  $code        symbolic code
-     * @param string  $clientId    client id
-     * @param boolean $active      telephony activity
-     * @param mixed   $name        service name
-     * @param mixed   $makeCallUrl service init url
-     * @param mixed   $image       service logo url(svg file)
-     *
-     * @param array   $additionalCodes
-     * @param array   $externalPhones
-     * @param bool    $allowEdit
-     * @param bool    $inputEventSupported
-     * @param bool    $outputEventSupported
-     * @param bool    $hangupEventSupported
-     * @param bool    $changeUserStatusUrl
-     *
-     * @return ApiResponse
-     */
-    public function telephonySettingsEdit(
-        $code,
-        $clientId,
-        $active = false,
-        $name = false,
-        $makeCallUrl = false,
-        $image = false,
-        $additionalCodes = array(),
-        $externalPhones = array(),
-        $allowEdit = false,
-        $inputEventSupported = false,
-        $outputEventSupported = false,
-        $hangupEventSupported = false,
-        $changeUserStatusUrl = false
-    )
-    {
-        if (!isset($code)) {
-            throw new \InvalidArgumentException('Code must be set');
-        }
-
-        $parameters['code'] = $code;
-
-        if (!isset($clientId)) {
-            throw new \InvalidArgumentException('client id must be set');
-        }
-
-        $parameters['clientId'] = $clientId;
-
-        if (!isset($active)) {
-            $parameters['active'] = false;
-        } else {
-            $parameters['active'] = $active;
-        }
-
-        if (!isset($name)) {
-            throw new \InvalidArgumentException('name must be set');
-        }
-
-        if (isset($name)) {
-            $parameters['name'] = $name;
-        }
-
-        if (isset($makeCallUrl)) {
-            $parameters['makeCallUrl'] = $makeCallUrl;
-        }
-
-        if (isset($image)) {
-            $parameters['image'] = $image;
-        }
-
-        if (isset($additionalCodes)) {
-            $parameters['additionalCodes'] = $additionalCodes;
-        }
-
-        if (isset($externalPhones)) {
-            $parameters['externalPhones'] = $externalPhones;
-        }
-
-        if (isset($allowEdit)) {
-            $parameters['allowEdit'] = $allowEdit;
-        }
-
-        if (isset($inputEventSupported)) {
-            $parameters['inputEventSupported'] = $inputEventSupported;
-        }
-
-        if (isset($outputEventSupported)) {
-            $parameters['outputEventSupported'] = $outputEventSupported;
-        }
-
-        if (isset($hangupEventSupported)) {
-            $parameters['hangupEventSupported'] = $hangupEventSupported;
-        }
-
-        if (isset($changeUserStatusUrl)) {
-            $parameters['changeUserStatusUrl'] = $changeUserStatusUrl;
-        }
-
-        return $this->client->makeRequest(
-            "/telephony/setting/$code/edit",
-            RetailcrmHttpClient::METHOD_POST,
-            array('configuration' => json_encode($parameters))
-        );
-    }
-
-    /**
-     * Call event
-     *
-     * @param string $phone phone number
-     * @param string $type  call type
-     * @param array  $codes
-     * @param string $hangupStatus
-     * @param string $externalPhone
-     * @param array  $webAnalyticsData
-     *
-     * @return ApiResponse
-     * @internal param string $code additional phone code
-     * @internal param string $status call status
-     *
-     */
-    public function telephonyCallEvent(
-        $phone,
-        $type,
-        $codes,
-        $hangupStatus,
-        $externalPhone = null,
-        $webAnalyticsData = array()
-    )
-    {
-        if (!isset($phone)) {
-            throw new \InvalidArgumentException('Phone number must be set');
-        }
-
-        if (!isset($type)) {
-            throw new \InvalidArgumentException('Type must be set (in|out|hangup)');
-        }
-
-        if (empty($codes)) {
-            throw new \InvalidArgumentException('Codes array must be set');
-        }
-
-        $parameters['phone'] = $phone;
-        $parameters['type'] = $type;
-        $parameters['codes'] = $codes;
-        $parameters['hangupStatus'] = $hangupStatus;
-        $parameters['callExternalId'] = $externalPhone;
-        $parameters['webAnalyticsData'] = $webAnalyticsData;
-
-
-        return $this->client->makeRequest(
-            '/telephony/call/event',
-            RetailcrmHttpClient::METHOD_POST,
-            array('event' => json_encode($parameters))
-        );
-    }
-
-    /**
-     * Upload calls
-     *
-     * @param array $calls calls data
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function telephonyCallsUpload(array $calls)
-    {
-        if (!count($calls)) {
-            throw new \InvalidArgumentException(
-                'Parameter `calls` must contains array of the calls'
-            );
-        }
-
-        return $this->client->makeRequest(
-            '/telephony/calls/upload',
-            RetailcrmHttpClient::METHOD_POST,
-            array('calls' => json_encode($calls))
-        );
-    }
-
-    /**
-     * Get call manager
-     *
-     * @param string $phone   phone number
-     * @param bool   $details detailed information
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function telephonyCallManager($phone, $details)
-    {
-        if (!isset($phone)) {
-            throw new \InvalidArgumentException('Phone number must be set');
-        }
-
-        $parameters['phone'] = $phone;
-        $parameters['details'] = isset($details) ? $details : 0;
-
-        return $this->client->makeRequest(
-            '/telephony/manager',
-            RetailcrmHttpClient::METHOD_GET,
-            $parameters
-        );
-    }
-
-    /**
-     * Update CRM basic statistic
-     *
-     * @throws \InvalidArgumentException
-     * @throws \RetailCrm\Exception\CurlException
-     * @throws \RetailCrm\Exception\InvalidJsonException
-     *
-     * @return ApiResponse
-     */
-    public function statisticUpdate()
-    {
-        return $this->client->makeRequest(
-            '/statistic/update',
-            RetailcrmHttpClient::METHOD_GET
-        );
-    }
-
-    /**
-     * Return current site
-     *
-     * @return string
-     */
-    public function getSite()
-    {
-        return $this->siteCode;
-    }
-
-    /**
-     * Set site
-     *
-     * @param string $site site code
-     *
-     * @return void
-     */
-    public function setSite($site)
-    {
-        $this->siteCode = $site;
-    }
-
-    /**
-     * Check ID parameter
-     *
-     * @param string $by identify by
-     *
-     * @throws \InvalidArgumentException
-     *
-     * @return bool
-     */
-    protected function checkIdParameter($by)
-    {
-        $allowedForBy = array(
-            'externalId',
-            'id'
-        );
-
-        if (!in_array($by, $allowedForBy, false)) {
-            throw new \InvalidArgumentException(
-                sprintf(
-                    'Value "%s" for "by" param is not valid. Allowed values are %s.',
-                    $by,
-                    implode(', ', $allowedForBy)
-                )
-            );
-        }
-
-        return true;
-    }
-
-    /**
-     * Fill params by site value
-     *
-     * @param string $site   site code
-     * @param array  $params input parameters
-     *
-     * @return array
-     */
-    protected function fillSite($site, array $params)
-    {
-        if ($site) {
-            $params['site'] = $site;
-        } elseif ($this->siteCode) {
-            $params['site'] = $this->siteCode;
-        }
-
-        return $params;
-    }
-}
diff --git a/src/upload/system/library/retailcrm/CurlException.php b/src/upload/system/library/retailcrm/api/CurlException.php
similarity index 100%
rename from src/upload/system/library/retailcrm/CurlException.php
rename to src/upload/system/library/retailcrm/api/CurlException.php
diff --git a/src/upload/system/library/retailcrm/InvalidJsonException.php b/src/upload/system/library/retailcrm/api/InvalidJsonException.php
similarity index 100%
rename from src/upload/system/library/retailcrm/InvalidJsonException.php
rename to src/upload/system/library/retailcrm/api/InvalidJsonException.php
diff --git a/src/upload/system/library/retailcrm/RetailcrmApiClient5.php b/src/upload/system/library/retailcrm/api/RetailcrmApiClient5.php
similarity index 100%
rename from src/upload/system/library/retailcrm/RetailcrmApiClient5.php
rename to src/upload/system/library/retailcrm/api/RetailcrmApiClient5.php
diff --git a/src/upload/system/library/retailcrm/RetailcrmApiResponse.php b/src/upload/system/library/retailcrm/api/RetailcrmApiResponse.php
similarity index 100%
rename from src/upload/system/library/retailcrm/RetailcrmApiResponse.php
rename to src/upload/system/library/retailcrm/api/RetailcrmApiResponse.php
diff --git a/src/upload/system/library/retailcrm/RetailcrmHttpClient.php b/src/upload/system/library/retailcrm/api/RetailcrmHttpClient.php
similarity index 100%
rename from src/upload/system/library/retailcrm/RetailcrmHttpClient.php
rename to src/upload/system/library/retailcrm/api/RetailcrmHttpClient.php
diff --git a/src/upload/system/library/retailcrm/RetailcrmProxy.php b/src/upload/system/library/retailcrm/api/RetailcrmProxy.php
similarity index 76%
rename from src/upload/system/library/retailcrm/RetailcrmProxy.php
rename to src/upload/system/library/retailcrm/api/RetailcrmProxy.php
index bbf687f..f0e9001 100644
--- a/src/upload/system/library/retailcrm/RetailcrmProxy.php
+++ b/src/upload/system/library/retailcrm/api/RetailcrmProxy.php
@@ -6,34 +6,24 @@
  */
 class RetailcrmProxy
 {
-
     private $api;
     private $log;
 
     public function __construct($url, $key, $log, $version = null)
-    {   
+    {
         switch ($version) {
             case 'v5':
                 $this->api = new RetailcrmApiClient5($url, $key, $version);
                 break;
-            case 'v4':
-                $this->api = new RetailcrmApiClient4($url, $key, $version);
-                break;
-            case 'v3':
-                $this->api = new RetailcrmApiClient3($url, $key, $version);
-                break;
-            case null:
-                $this->api = new RetailcrmApiClient3($url, $key, $version);
-                break;
         }
 
         $this->log = $log;
     }
 
     public function __call($method, $arguments)
-    {   
+    {
         $date = date('[Y-m-d H:i:s]');
-        
+
         try {
             $response = call_user_func_array(array($this->api, $method), $arguments);
 
diff --git a/src/upload/system/library/retailcrm/bootstrap.php b/src/upload/system/library/retailcrm/api/bootstrap.php
similarity index 100%
rename from src/upload/system/library/retailcrm/bootstrap.php
rename to src/upload/system/library/retailcrm/api/bootstrap.php
diff --git a/src/upload/system/library/retailcrm/base.php b/src/upload/system/library/retailcrm/base.php
new file mode 100644
index 0000000..a0a5e8c
--- /dev/null
+++ b/src/upload/system/library/retailcrm/base.php
@@ -0,0 +1,140 @@
+<?php
+
+namespace Retailcrm;
+
+abstract class Base
+{
+    protected $registry;
+    protected $data = array();
+
+    /**
+     * Base constructor.
+     *
+     * @param $registry
+     */
+    public function __construct($registry)
+    {
+        $this->registry = $registry;
+    }
+
+    /**
+     * @param $name
+     *
+     * @return mixed
+     */
+    public function __get($name) {
+        return $this->registry->get($name);
+    }
+
+    /**
+     * @param $field
+     * @param $value
+     *
+     * @return bool
+     */
+    public function setField($field, $value) {
+        if (!isset($this->data[$field])) {
+            return false;
+        }
+
+        $this->data[$field] = $value;
+
+        return true;
+    }
+
+    /**
+     * @param $fields
+     */
+    public function setFields($fields) {
+        foreach ($fields as $field) {
+            $this->setField($field['field'], $field['value']);
+        }
+    }
+
+    /**
+     * @param $data
+     * @param $element
+     */
+    public function setDataArray($data, $element) {
+        if (is_array($data)) {
+            $this->setField($element, $data);
+        }
+    }
+
+    /**
+     * @param array $custom_fields
+     * @param array $setting
+     * @param string $prefix
+     *
+     * @return array
+     */
+    protected function prepareCustomFields($custom_fields, $setting, $prefix) {
+        $result = array();
+
+        if (!$custom_fields || empty($custom_fields)) {
+            return $result;
+        }
+
+        foreach ($custom_fields as $loc => $custom_field) {
+            if (\is_int($loc)) {
+                $result = $this->getCustomFields($custom_field, $setting, $prefix);
+            } elseif (\is_string($loc)) {
+                foreach ($custom_field as $field) {
+                    if (!$field) {
+                        continue;
+                    }
+
+                    $result = $this->getCustomFields($field, $setting, $prefix);
+                }
+            }
+        }
+
+        return $result;
+    }
+
+    /**
+     * @param array $custom_fields
+     * @param array $setting
+     * @param string $prefix
+     *
+     * @return array $result
+     */
+    private function getCustomFields($custom_fields, $setting, $prefix) {
+        $result = array();
+
+        foreach ($custom_fields as $key => $field) {
+            if (isset($setting[\Retailcrm\Retailcrm::MODULE. '_custom_field'][$prefix . $key])) {
+                $result[$setting[\Retailcrm\Retailcrm::MODULE. '_custom_field'][$prefix . $key]] = $field;
+            }
+        }
+
+        return $result;
+    }
+
+    /**
+     * Prepare data array
+     *
+     * @param $data
+     *
+     * @return void
+     */
+    abstract function prepare($data);
+
+    /**
+     * Send to crm
+     *
+     * @param $retailcrm_api_client
+     *
+     * @return void
+     */
+    abstract function create($retailcrm_api_client);
+
+    /**
+     * Edit in crm
+     *
+     * @param $retailcrm_api_client
+     *
+     * @return void
+     */
+    abstract function edit($retailcrm_api_client);
+}
diff --git a/src/upload/system/library/retailcrm/customer.php b/src/upload/system/library/retailcrm/customer.php
new file mode 100644
index 0000000..1b9eaca
--- /dev/null
+++ b/src/upload/system/library/retailcrm/customer.php
@@ -0,0 +1,65 @@
+<?php
+
+namespace Retailcrm;
+
+class Customer extends Base
+{
+    protected $registry;
+    protected $data = array(
+        'externalId' => 0,
+        'createdAt' => null,
+        'firstName' => null,
+        'lastName' => null,
+        'patronymic' => null,
+        'email' => null,
+        'phones' => array(),
+        'address' => array(),
+        'customFields' => array()
+    );
+
+    public function prepare($customer) {
+        if (file_exists(DIR_SYSTEM . 'library/retailcrm/custom.php')) {
+            $custom = new \Retailcrm\Custom($this->registry);
+            $this->data = $custom->processCustomer($customer);
+        } else {
+            $this->load->model('setting/setting');
+            $setting = $this->model_setting_setting->getSetting(\Retailcrm\Retailcrm::MODULE);
+
+            if (isset($customer['firstname']) && $customer['firstname']) {
+                $this->setField('firstName', $customer['firstname']);
+            }
+
+            if (isset($customer['lastname']) && $customer['lastname']) {
+                $this->setField('lastName', $customer['lastname']);
+            }
+
+            if (isset($customer['telephone']) && $customer['telephone']) {
+                $phones = array(
+                    array(
+                        'number' => $customer['telephone']
+                    )
+                );
+                $this->setDataArray($phones, 'phones');
+            }
+
+            $this->setField('email', $customer['email']);
+            $this->setField('createdAt', date('Y-m-d H:i:s'));
+
+            if (isset($settings[\Retailcrm\Retailcrm::MODULE . '_custom_field']) && $customer['custom_field']) {
+                $custom_fields = $this->prepareCustomFields($customer['custom_field'], $setting, 'c_');
+
+                if ($custom_fields) {
+                    $this->setDataArray($custom_fields, 'customFields');
+                }
+            }
+        }
+    }
+
+    public function create($retailctm_api_client) {
+        $retailctm_api_client->customersCreate($this->data);
+    }
+
+    public function edit($retailctm_api_client) {
+        $retailctm_api_client->customersEdit($this->data);
+    }
+}
diff --git a/src/upload/system/library/retailcrm/order.php b/src/upload/system/library/retailcrm/order.php
new file mode 100644
index 0000000..4013e88
--- /dev/null
+++ b/src/upload/system/library/retailcrm/order.php
@@ -0,0 +1,241 @@
+<?php
+
+namespace Retailcrm;
+
+class Order extends Base
+{
+    protected $registry;
+    protected $data = array(
+        'number' => 0,
+        'countryIso' => null,
+        'externalId' => 0,
+        'customer' => array(),
+        'status' => null,
+        'firstName' => null,
+        'lastName' => null,
+        'patronymic' => null,
+        'email' => null,
+        'phone' => null,
+        'discountManualAmount' => 0,
+        'items' => array(),
+        'delivery' => array(),
+        'customFields' => array(),
+        'payments' => array()
+    );
+
+    public function prepare($order) {
+        if (file_exists(DIR_SYSTEM . 'library/retailcrm/custom.php')) {
+            $custom = new \Retailcrm\Custom($this->registry);
+            $this->data = $custom->processOrder($order);
+        } else {
+            $this->load->model('setting/setting');
+            $this->load->model('catalog/product');
+            $settings = $this->model_setting_setting->getSetting(\Retailcrm\Retailcrm::MODULE);
+            $delivery_settings = $settings[\Retailcrm\Retailcrm::MODULE . '_delivery'];
+            $payments_settings = $settings[\Retailcrm\Retailcrm::MODULE . '_payment'];
+            $status_settings = $settings[\Retailcrm\Retailcrm::MODULE . '_status'];
+
+            $totals = $this->explodeTotals($order['totals']);
+            $coupon_total = 0;
+            $delivery_cost = 0;
+
+            if (isset($totals['shipping'])) {
+                $delivery_cost = $totals['shipping'];
+            }
+
+            if (isset($totals['coupon'])) {
+                $coupon_total += abs($totals['coupon']);
+            }
+
+            if (isset($totals['reward'])) {
+                $coupon_total += abs($totals['reward']);
+            }
+
+            if (isset($order['order_status_id']) && $order['order_status_id'] > 0) {
+                $status = $status_settings[$order['order_status_id']];
+            } elseif (isset($order['order_status_id']) && $order['order_status_id'] == 0) {
+                $status = $settings[\Retailcrm\Retailcrm::MODULE . '_missing_status'];
+            }
+
+            $fields = array(
+                'firstName' => $order['firstname'],
+                'lastName' => $order['lastname'],
+                'email' => $order['email'],
+                'phone' => $order['telephone'],
+                'customerComment' => $order['comment'],
+                'createdAt' => $order['date_added'],
+                'discountManualAmount' => $coupon_total,
+                'status' => $status
+            );
+
+            $this->setFields($fields);
+            if (isset($order['shipping_code'])) {
+                $delivery_code = $this->getDeliveryMethod($order['shipping_code'], $delivery_settings);
+            }
+
+            $delivery = array(
+                'address' => array(
+                    'index' => isset($order['shipping_postcode']) ? $order['shipping_postcode'] : '',
+                    'city' => isset($order['shipping_city']) ? $order['shipping_city'] : '',
+                    'region' => isset($order['shipping_zone']) ? $order['shipping_zone'] : '',
+                    'text' => implode(', ', array(
+                        isset($order['shipping_postcode']) ? $order['shipping_postcode'] : '',
+                        isset($order['shipping_country']) ? $order['shipping_country'] : '',
+                        isset($order['shipping_city']) ? $order['shipping_city'] : '',
+                        isset($order['shipping_address_1']) ? $order['shipping_address_1'] : '',
+                        isset($order['shipping_address_2']) ? $order['shipping_address_2'] : ''
+                    ))
+                )
+            );
+
+            if (isset($delivery_code)) {
+                $delivery['code'] = $delivery_code;
+            }
+
+            if ($delivery_cost) {
+                $delivery['cost'] = $delivery_cost;
+            }
+
+            $this->setDataArray($delivery, 'delivery');
+            $this->setOrderProducts($order['products']);
+            $payments = array();
+
+            if (isset($payments_settings[$order['payment_code']])) {
+                $payment = array(
+                    'order' => array(
+                        'externalId' => $order['order_id']
+                    ),
+                    'externalId' => $order['order_id'],
+                    'type' => $payments_settings[$order['payment_code']],
+                    'amount' => $order['total']
+                );
+
+                $payments[] = $payment;
+            }
+
+            $this->setDataArray($payments, 'payments');
+
+            if (isset($settings[\Retailcrm\Retailcrm::MODULE . '_custom_field']) && $order['custom_field']) {
+                $custom_fields = $this->prepareCustomFields($order['custom_field'], $settings, 'o_');
+
+                if ($custom_fields) {
+                    $this->setDataArray($custom_fields, 'customFields');
+                }
+            }
+        }
+    }
+
+    public function create($retailcrm_api_client) {
+        $retailcrm_api_client->ordersCreate($this->data);
+    }
+
+    public function edit($retailcrm_api_client) {
+        $retailcrm_api_client->ordersEdit($this->data);
+    }
+
+    /**
+     * @param string $shipping_code
+     * @param array $deliveries
+     *
+     * @return mixed
+     */
+    private function getDeliveryMethod($shipping_code, $deliveries) {
+        if (!empty($shipping_code)) {
+            $shipping_code_array = explode('.', $shipping_code);
+            $shipping_module = $shipping_code_array[0];
+
+            if (isset($deliveries[$shipping_code])) {
+                $delivery_code = $deliveries[$shipping_code];
+            } elseif (isset($deliveries[$shipping_module])) {
+                $delivery_code = $deliveries[$shipping_module];
+            }
+        }
+
+        if (!isset($delivery_code) && isset($shipping_module) && $deliveries) {
+            $delivery = '';
+
+            array_walk($deliveries, function ($item, $key) use ($shipping_module, &$delivery) {
+                if (strripos($item, $shipping_module) !== false) {
+                    $delivery = $item;
+                }
+            });
+
+            $delivery_code = $deliveries[$delivery];
+        }
+
+        return $delivery_code;
+    }
+
+    /**
+     * @param array $products
+     *
+     * @return void
+     */
+    private function setOrderProducts($products) {
+        $offer_options = array('select', 'radio');
+        $items = array();
+
+        foreach ($products as $product) {
+            if (!empty($product['option'])) {
+                $offer_id = '';
+                $options = array();
+                $properties = array();
+
+                foreach ($product['option'] as $option) {
+                    if ($option['type'] == 'checkbox') {
+                        $properties[] = array(
+                            'code' => $option['product_option_value_id'],
+                            'name' => $option['name'],
+                            'value' => $option['value']
+                        );
+                    }
+
+                    if (!in_array($option['type'], $offer_options)) {
+                        continue;
+                    }
+
+                    $options[$option['product_option_id']] = $option['option_value_id'];
+                }
+
+                ksort($options);
+
+                foreach ($options as $optionKey => $optionValue) {
+                    $offer_id .= $optionKey . '-' . $optionValue;
+                }
+            }
+
+            $item = array(
+                'offer' => array(
+                    'externalId' => !empty($offer_id) ? $product['product_id'] . '#' . $offer_id : $product['product_id']
+                ),
+                'productName' => $product['name'],
+                'initialPrice' => $product['price'],
+                'quantity' => $product['quantity'],
+            );
+
+            if (!empty($properties)) {
+                $item['properties'] = $properties;
+            }
+
+            $items[] = $item;
+        }
+
+        $this->setDataArray($items, 'items');
+    }
+
+    /**
+     * @param $totals
+     *
+     * @return array
+     */
+    private function explodeTotals($totals)
+    {
+        $resultTotals = array();
+
+        foreach ($totals as $total) {
+            $resultTotals[$total['code']] = $total['value'];
+        }
+
+        return $resultTotals;
+    }
+}
diff --git a/src/upload/system/library/retailcrm/retailcrm.php b/src/upload/system/library/retailcrm/retailcrm.php
index 525a43b..6d7dffc 100644
--- a/src/upload/system/library/retailcrm/retailcrm.php
+++ b/src/upload/system/library/retailcrm/retailcrm.php
@@ -1,13 +1,14 @@
 <?php
 
-namespace retailcrm;
+namespace Retailcrm;
 
-require_once 'bootstrap.php';
+require_once 'api/bootstrap.php';
 
 class Retailcrm {
-    protected $apiClient;
     protected $registry;
 
+    const MODULE = 'module_retailcrm';
+
     public function __construct($registry)
     {
         $this->registry = $registry;
@@ -17,6 +18,10 @@ class Retailcrm {
         return $this->registry->get($name);
     }
 
+    public function createObject($object) {
+        return new $object($this->registry);
+    }
+
     /**
      * Get api client object
      *
@@ -24,21 +29,21 @@ class Retailcrm {
      * @param string $apiKey (default = null)
      * @param string $apiVersion (default = null)
      *
-     * @return mixed object | boolean 
+     * @return mixed object | boolean
      */
     public function getApiClient($apiUrl = null, $apiKey = null, $apiVersion = null)
     {
         $this->load->model('setting/setting');
 
-        $setting = $this->model_setting_setting->getSetting($this->getModuleTitle());
+        $setting = $this->model_setting_setting->getSetting(self::MODULE);
 
         if ($apiUrl === null && $apiKey === null) {
-            $apiUrl = isset($setting[$this->getModuleTitle() . '_url'])
-                ? $setting[$this->getModuleTitle() . '_url'] : '';
-            $apiKey = isset($setting[$this->getModuleTitle() . '_apikey'])
-                ? $setting[$this->getModuleTitle() . '_apikey'] : '';
-            $apiVersion = isset($setting[$this->getModuleTitle() . '_apiversion'])
-                ? $setting[$this->getModuleTitle() . '_apiversion'] : '';
+            $apiUrl = isset($setting[self::MODULE . '_url'])
+                ? $setting[self::MODULE . '_url'] : '';
+            $apiKey = isset($setting[self::MODULE . '_apikey'])
+                ? $setting[self::MODULE . '_apikey'] : '';
+            $apiVersion = isset($setting[self::MODULE . '_apiversion'])
+                ? $setting[self::MODULE . '_apiversion'] : '';
         }
 
         if ($apiUrl && $apiKey) {
@@ -60,38 +65,6 @@ class Retailcrm {
         return new \OpencartApiClient($registry);
     }
 
-    /**
-     * Get module title for this version
-     *
-     * @return string $title
-     */
-    public function getModuleTitle()
-    {
-        if (version_compare(VERSION, '3.0', '<')) {
-            $title = 'retailcrm';
-        } else {
-            $title = 'module_retailcrm';
-        }
-
-        return $title;
-    }
-
-    /**
-     * Get token param name
-     *
-     * @return string $token
-     */
-    public function getTokenTitle()
-    {
-        if (version_compare(VERSION, '3.0', '<')) {
-            $token = 'token';
-        } else {
-            $token = 'user_token';
-        }
-
-        return $token;
-    }
-
     public function getOffers($product)
     {
         // Формируем офферы отнсительно доступных опций
@@ -100,8 +73,8 @@ class Retailcrm {
         $requiredOptions = array();
         $notRequiredOptions = array();
         // Оставляем опции связанные с вариациями товаров, сортируем по параметру обязательный или нет
-        foreach($options as $option) {
-            if(in_array($option['type'], $offerOptions)) {
+        foreach ($options as $option) {
+            if (in_array($option['type'], $offerOptions)) {
                 if($option['required']) {
                     $requiredOptions[] = $option;
                 } else {
@@ -112,19 +85,19 @@ class Retailcrm {
 
         $offers = array();
         // Сначала совмещаем все обязательные опции
-        foreach($requiredOptions as $requiredOption) {
+        foreach ($requiredOptions as $requiredOption) {
             // Если первая итерация
-            if(empty($offers)) {
-                foreach($requiredOption['product_option_value'] as $optionValue) {
+            if (empty($offers)) {
+                foreach ($requiredOption['product_option_value'] as $optionValue) {
                     $offers[$requiredOption['product_option_id'].':'.$requiredOption['option_id'].'-'.$optionValue['option_value_id']] = array(
                         'price' => (float)$optionValue['price'],
                         'qty' => $optionValue['quantity']
                     );
                 }
             } else {
-                foreach($offers as $optionKey => $optionAttr) {
+                foreach ($offers as $optionKey => $optionAttr) {
                     unset($offers[$optionKey]); // Работая в контексте обязательных опций не забываем удалять прошлые обязательные опции, т.к. они должны быть скомбинированы с другими обязательными опциями
-                    foreach($requiredOption['product_option_value'] as $optionValue) {
+                    foreach ($requiredOption['product_option_value'] as $optionValue) {
                         $offers[$optionKey.'_'.$requiredOption['product_option_id'].':'.$requiredOption['option_id'].'-'.$optionValue['option_value_id']] = array(
                             'price' => $optionAttr['price'] + (float)$optionValue['price'],
                             'qty' => ($optionAttr['qty'] > $optionValue['quantity']) ?
@@ -134,21 +107,21 @@ class Retailcrm {
                 }
             }
         }
-        
+
         // Совмещаем или добавляем необязательные опции, учитывая тот факт что обязательных опций может и не быть.
-        foreach($notRequiredOptions as $notRequiredOption) {
+        foreach ($notRequiredOptions as $notRequiredOption) {
             // Если обязательных опцией не оказалось и первая итерация
-            if(empty($offers)) {
+            if (empty($offers)) {
                 $offers['0:0-0'] = 0; // В случае работы с необязательными опциями мы должны учитывать товарное предложение без опций, поэтому создадим "пустую" опцию
-                foreach($notRequiredOption['product_option_value'] as $optionValue) {
+                foreach ($notRequiredOption['product_option_value'] as $optionValue) {
                     $offers[$notRequiredOption['product_option_id'].':'.$notRequiredOption['option_id'].'-'.$optionValue['option_value_id']] = array(
                         'price' => (float)$optionValue['price'],
                         'qty' => $optionValue['quantity']
                     );
                 }
             } else {
-                foreach($offers as $optionKey => $optionAttr) {
-                    foreach($notRequiredOption['product_option_value'] as $optionValue) {
+                foreach ($offers as $optionKey => $optionAttr) {
+                    foreach ($notRequiredOption['product_option_value'] as $optionValue) {
                         $offers[$optionKey.'_'.$notRequiredOption['product_option_id'].':'.$notRequiredOption['option_id'].'-'.$optionValue['option_value_id']] = array(
                             'price' => $optionAttr['price'] + (float)$optionValue['price'],
                             'qty' => ($optionAttr['qty'] > $optionValue['quantity']) ?
@@ -159,7 +132,7 @@ class Retailcrm {
             }
         }
 
-        if(empty($offers)) {
+        if (empty($offers)) {
             $offers = array('0:0-0' => array('price' => '0', 'qty' => '0'));
         }
 
diff --git a/tests/admin/ControllerRetailcrmAdminTest.php b/tests/admin/ControllerRetailcrmAdminTest.php
index bc8dd01..6be635d 100644
--- a/tests/admin/ControllerRetailcrmAdminTest.php
+++ b/tests/admin/ControllerRetailcrmAdminTest.php
@@ -14,7 +14,7 @@ class ControllerRetailcrmAdminTest extends OpenCartTest
             $this->db->query("UPDATE ".DB_PREFIX."user_group SET permission='".$this->db->escape(json_encode($permissions))."' WHERE name = 'Administrator'");
         }
 
-        $this->retailcrm = $this->getMockBuilder('\retailcrm\Retailcrm')
+        $this->retailcrm = $this->getMockBuilder('\retailcrm\retailcrm')
             ->disableOriginalConstructor()
             ->getMock();
     }
diff --git a/tests/admin/ModelRetailcrmOrderAdminTest.php b/tests/admin/ModelRetailcrmOrderAdminTest.php
index 3ed8d70..fa2ffaf 100644
--- a/tests/admin/ModelRetailcrmOrderAdminTest.php
+++ b/tests/admin/ModelRetailcrmOrderAdminTest.php
@@ -29,7 +29,7 @@ class ModelRetailcrmOrderAdminTest extends OpenCartTest
             ->getMock();
 
         $this->settingModel = $this->loadModel('setting/setting');
-        $this->retailcrm = new \retailcrm\Retailcrm(self::$registry);
+        $this->retailcrm = new \retailcrm\retailcrm(self::$registry);
 
         $this->settingModel->editSetting(
             $this->retailcrm->getModuleTitle(),
diff --git a/tests/admin/ModelRetailcrmPricesAdminTest.php b/tests/admin/ModelRetailcrmPricesAdminTest.php
index 150cfee..a9b4b6d 100644
--- a/tests/admin/ModelRetailcrmPricesAdminTest.php
+++ b/tests/admin/ModelRetailcrmPricesAdminTest.php
@@ -22,7 +22,7 @@ class ModelRetailcrmPricesAdminTest extends OpenCartTest
             ->getMock();
 
         $this->settingModel = $this->loadModel('setting/setting');
-        $this->retailcrm = new \retailcrm\Retailcrm(self::$registry);
+        $this->retailcrm = new \retailcrm\retailcrm(self::$registry);
 
         $this->settingModel->editSetting(
             $this->retailcrm->getModuleTitle(),
diff --git a/tests/catalog/ControllerRetailcrmApiCatalogTest.php b/tests/catalog/ControllerRetailcrmApiCatalogTest.php
index 6afaff5..798e8af 100644
--- a/tests/catalog/ControllerRetailcrmApiCatalogTest.php
+++ b/tests/catalog/ControllerRetailcrmApiCatalogTest.php
@@ -14,7 +14,7 @@ class ControllerRetailcrmApiCatalogTest extends OpenCartTest
         $query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "api` WHERE api_id = 1");
         $api = $query->row;
         $this->apiKey = $api['key'];
-        $this->retailcrm = new \retailcrm\Retailcrm(self::$registry);
+        $this->retailcrm = new \retailcrm\retailcrm(self::$registry);
 
         $this->setSetting(
             $this->retailcrm->getModuleTitle(),
diff --git a/tests/catalog/ModelRetailcrmOrderCatalogTest.php b/tests/catalog/ModelRetailcrmOrderCatalogTest.php
index 88ee084..4f199e3 100644
--- a/tests/catalog/ModelRetailcrmOrderCatalogTest.php
+++ b/tests/catalog/ModelRetailcrmOrderCatalogTest.php
@@ -27,7 +27,7 @@ class ModelRetailcrmOrderCatalogTest extends OpenCartTest
             ))
             ->getMock();
 
-        $this->retailcrm = new \retailcrm\Retailcrm(self::$registry);
+        $this->retailcrm = new \retailcrm\retailcrm(self::$registry);
 
         $this->setSetting(
             $this->retailcrm->getModuleTitle(),