url-validator/README.md
2021-09-09 19:04:12 +03:00

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# RetailCRM URL Validator
This validator will help you validate system URLs in your project using [`symfony/validator`](https://packagist.org/packages/symfony/validator).
# Table of contents
* [Requirements](#requirements)
* [Installation](#installation)
* [Usage](#usage)
## Requirements
* PHP 7.3 and above
* PHP's JSON support
* `symfony/validator`
## Installation
Follow those steps to install the library:
1. Download and install [Composer](https://getcomposer.org/download/) package manager.
2. Install the library from the Packagist by executing this command:
```bash
composer require retailcrm/url-validator:"^1"
```
3. Include the autoloader if it's not included, or you didn't use Composer before.
```php
require 'path/to/vendor/autoload.php';
```
Replace `path/to/vendor/autoload.php` with the correct path to Composer's `autoload.php`.
## Usage
You have to use Symfony Validator to work with this library.
Please refer to the [official documentation for the `symfony/validator`](https://symfony.com/doc/current/components/validator.html) to learn how to use it.
If you want to use `symfony/validator` with Symfony framework - you should use [this documentation](https://symfony.com/doc/current/validation.html).
After ensuring that you're using `symfony/validator` you can just append the `@CrmUrl()` annotation to the DTO entity field that contains system URL.
After that validator's `validate` call on this DTO will generate the proper violation messages for incorrect URLs.
Here's an example of the DTO (*note:* `@Assert\Url()` is optional):
```php
<?php
namespace App\Dto;
use Symfony\Component\Validator\Constraints as Assert;
use RetailCrm\Validator\CrmUrl;
class Connection
{
/**
* @var string
*
* @Assert\NotBlank()
* @Assert\Url()
* @CrmUrl()
*/
public $apiUrl;
}
```
And below you can find a complete example of usage (*note:* it requires `doctrine/annotations` and `symfony/cache` to work properly).
**Connection.php**
```php
<?php
namespace App;
use Symfony\Component\Validator\Constraints as Assert;
use RetailCrm\Validator\CrmUrl;
class Connection
{
/**
* @var string
*
* @Assert\NotBlank()
* @Assert\Url()
* @CrmUrl()
*/
public $apiUrl;
public function __construct(string $apiUrl)
{
$this->apiUrl = $apiUrl;
}
}
```
**app.php**
```php
namespace App;
// We assume that `app.php` is stored within a directory that is being autoloaded by Composer.
require __DIR__ . '/../vendor/autoload.php';
use Symfony\Component\Validator\Validation;
$validator = Validation::createValidatorBuilder()
->enableAnnotationMapping(true)
->addDefaultDoctrineAnnotationReader()
->getValidator();
$violations = $validator->validate(new Connection('https://test.retailcrm.pro'));
if (0 !== count($violations)) {
foreach ($violations as $violation) {
echo $violation->getMessage();
}
}
```