445 lines
12 KiB
PHP
445 lines
12 KiB
PHP
<?php
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class Doctrine_Resource_Query extends Doctrine_Resource
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{
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public $config = array();
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public $parts = array();
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public $dql = null;
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public $defaultFormat = 'xml';
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public function __construct($config)
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{
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$this->config = $config;
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}
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public function query($dql, $params = array())
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{
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$this->dql = $dql;
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return $this->execute($params);
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}
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public function execute($params = array())
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{
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$request = array();
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$request['dql'] = $this->getDql();
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$request['params'] = $params;
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$request['format'] = $this->getFormat();
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$request['type'] = 'query';
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$response = self::request($this->config['url'], $request);
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return $this->parseResponse($response);
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}
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public function getDql()
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{
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if (!$this->dql && !empty($this->parts)) {
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$q = '';
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$q .= ( ! empty($this->parts['select']))? 'SELECT ' . implode(', ', $this->parts['select']) : '';
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$q .= ( ! empty($this->parts['from']))? ' FROM ' . implode(' ', $this->parts['from']) : '';
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$q .= ( ! empty($this->parts['where']))? ' WHERE ' . implode(' AND ', $this->parts['where']) : '';
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$q .= ( ! empty($this->parts['groupby']))? ' GROUP BY ' . implode(', ', $this->parts['groupby']) : '';
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$q .= ( ! empty($this->parts['having']))? ' HAVING ' . implode(' AND ', $this->parts['having']) : '';
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$q .= ( ! empty($this->parts['orderby']))? ' ORDER BY ' . implode(', ', $this->parts['orderby']) : '';
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$q .= ( ! empty($this->parts['limit']))? ' LIMIT ' . implode(' ', $this->parts['limit']) : '';
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$q .= ( ! empty($this->parts['offset']))? ' OFFSET ' . implode(' ', $this->parts['offset']) : '';
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return $q;
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} else {
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return $this->dql;
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}
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}
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public function parseResponse($response)
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{
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$array = Doctrine_Parser::load($response, $this->getFormat());
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$hydrated = $this->hydrate($array);
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return $hydrated;
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}
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public function buildUrl($array)
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{
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$url = '';
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foreach ($array as $key => $value) {
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if (is_array($value)) {
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$url .= $this->buildUrl($value);
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} else {
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$url .= $key.'='.$value.'&';
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}
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}
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return $url;
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}
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public function hydrate(array $array, $passedKey = null)
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{
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$model = $passedKey ? $passedKey:$this->getModel();
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$collection = new Doctrine_Resource_Collection($model, $this->config);
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foreach ($array as $record) {
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$r = new Doctrine_Resource_Record($model, $this->config);
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foreach ($record as $key => $value) {
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if (is_array($value)) {
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$r->data[$key] = $this->hydrate($value, $key);
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} else {
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$r->data[$key] = $value;
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}
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}
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$collection->data[] = $r;
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}
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return $collection;
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}
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public function getModel()
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{
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$dql = $this->getDql();
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$e = explode('FROM ', $dql);
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$e = explode(' ', $e[1]);
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return $e[0];
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}
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public function setFormat($format)
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{
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$this->config['format'] = $format;
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return $this;
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}
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public function getFormat()
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{
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return isset($this->config['format']) ? $this->config['format']:$this->defaultFormat;
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}
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/**
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* addSelect
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* adds fields to the SELECT part of the query
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*
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* @param string $select Query SELECT part
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* @return Doctrine_Query
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*/
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public function addSelect($select)
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{
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return $this->parseQueryPart('select', $select, true);
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}
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/**
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* addFrom
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* adds fields to the FROM part of the query
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*
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* @param string $from Query FROM part
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* @return Doctrine_Query
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*/
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public function addFrom($from)
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{
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return $this->parseQueryPart('from', $from, true);
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}
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/**
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* addWhere
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* adds conditions to the WHERE part of the query
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*
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* @param string $where Query WHERE part
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* @param mixed $params an array of parameters or a simple scalar
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* @return Doctrine_Query
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*/
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public function addWhere($where, $params = array())
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{
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if (is_array($params)) {
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$this->_params['where'] = array_merge($this->_params['where'], $params);
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} else {
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$this->_params['where'][] = $params;
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}
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return $this->parseQueryPart('where', $where, true);
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}
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/**
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* whereIn
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* adds IN condition to the query WHERE part
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*
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* @param string $expr
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* @param mixed $params an array of parameters or a simple scalar
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* @return Doctrine_Query
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*/
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public function whereIn($expr, $params = array())
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{
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$params = (array) $params;
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$a = array();
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foreach ($params as $k => $value) {
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if ($value instanceof Doctrine_Expression) {
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$value = $value->getSql();
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unset($params[$k]);
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} else {
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$value = '?';
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}
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$a[] = $value;
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}
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$this->_params['where'] = array_merge($this->_params['where'], $params);
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$where = $expr . ' IN (' . implode(', ', $a) . ')';
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return $this->parseQueryPart('where', $where, true);
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}
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/**
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* addGroupBy
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* adds fields to the GROUP BY part of the query
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*
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* @param string $groupby Query GROUP BY part
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* @return Doctrine_Query
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*/
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public function addGroupBy($groupby)
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{
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return $this->parseQueryPart('groupby', $groupby, true);
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}
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/**
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* addHaving
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* adds conditions to the HAVING part of the query
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*
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* @param string $having Query HAVING part
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* @param mixed $params an array of parameters or a simple scalar
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* @return Doctrine_Query
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*/
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public function addHaving($having, $params = array())
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{
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if (is_array($params)) {
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$this->_params['having'] = array_merge($this->_params['having'], $params);
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} else {
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$this->_params['having'][] = $params;
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}
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return $this->parseQueryPart('having', $having, true);
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}
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/**
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* addOrderBy
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* adds fields to the ORDER BY part of the query
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*
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* @param string $orderby Query ORDER BY part
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* @return Doctrine_Query
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*/
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public function addOrderBy($orderby)
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{
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return $this->parseQueryPart('orderby', $orderby, true);
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}
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/**
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* select
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* sets the SELECT part of the query
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*
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* @param string $select Query SELECT part
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* @return Doctrine_Query
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*/
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public function select($select)
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{
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return $this->parseQueryPart('select', $select);
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}
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/**
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* distinct
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* Makes the query SELECT DISTINCT.
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*
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* @param bool $flag Whether or not the SELECT is DISTINCT (default true).
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* @return Doctrine_Query
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*/
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public function distinct($flag = true)
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{
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$this->parts['distinct'] = (bool) $flag;
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return $this;
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}
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/**
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* forUpdate
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* Makes the query SELECT FOR UPDATE.
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*
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* @param bool $flag Whether or not the SELECT is FOR UPDATE (default true).
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* @return Doctrine_Query
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*/
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public function forUpdate($flag = true)
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{
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$this->parts[self::FOR_UPDATE] = (bool) $flag;
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return $this;
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}
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/**
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* delete
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* sets the query type to DELETE
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*
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* @return Doctrine_Query
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*/
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public function delete()
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{
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$this->type = self::DELETE;
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return $this;
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}
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/**
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* update
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* sets the UPDATE part of the query
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*
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* @param string $update Query UPDATE part
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* @return Doctrine_Query
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*/
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public function update($update)
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{
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$this->type = self::UPDATE;
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return $this->parseQueryPart('from', $update);
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}
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/**
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* set
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* sets the SET part of the query
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*
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* @param string $update Query UPDATE part
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* @return Doctrine_Query
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*/
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public function set($key, $value, $params = null)
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{
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if (is_array($key)) {
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foreach ($key as $k => $v) {
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$this->set($k, '?', array($v));
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}
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} else {
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if ($params !== null) {
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if (is_array($params)) {
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$this->_params['set'] = array_merge($this->_params['set'], $params);
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} else {
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$this->_params['set'][] = $params;
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}
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}
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return $this->parseQueryPart('set', $key . ' = ' . $value, true);
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}
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}
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/**
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* from
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* sets the FROM part of the query
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*
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* @param string $from Query FROM part
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* @return Doctrine_Query
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*/
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public function from($from)
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{
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return $this->parseQueryPart('from', $from);
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}
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/**
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* innerJoin
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* appends an INNER JOIN to the FROM part of the query
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*
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* @param string $join Query INNER JOIN
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* @return Doctrine_Query
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*/
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public function innerJoin($join)
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{
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return $this->parseQueryPart('from', 'INNER JOIN ' . $join, true);
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}
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/**
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* leftJoin
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* appends a LEFT JOIN to the FROM part of the query
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*
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* @param string $join Query LEFT JOIN
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* @return Doctrine_Query
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*/
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public function leftJoin($join)
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{
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return $this->parseQueryPart('from', 'LEFT JOIN ' . $join, true);
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}
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/**
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* groupBy
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* sets the GROUP BY part of the query
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*
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* @param string $groupby Query GROUP BY part
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* @return Doctrine_Query
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*/
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public function groupBy($groupby)
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{
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return $this->parseQueryPart('groupby', $groupby);
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}
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/**
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* where
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* sets the WHERE part of the query
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*
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* @param string $join Query WHERE part
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* @param mixed $params an array of parameters or a simple scalar
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* @return Doctrine_Query
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*/
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public function where($where, $params = array())
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{
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$this->_params['where'] = array();
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if (is_array($params)) {
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$this->_params['where'] = $params;
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} else {
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$this->_params['where'][] = $params;
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}
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return $this->parseQueryPart('where', $where);
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}
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/**
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* having
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* sets the HAVING part of the query
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*
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* @param string $having Query HAVING part
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* @param mixed $params an array of parameters or a simple scalar
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* @return Doctrine_Query
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*/
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public function having($having, $params = array())
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{
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$this->_params['having'] = array();
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if (is_array($params)) {
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$this->_params['having'] = $params;
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} else {
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$this->_params['having'][] = $params;
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}
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return $this->parseQueryPart('having', $having);
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}
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/**
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* orderBy
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* sets the ORDER BY part of the query
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*
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* @param string $orderby Query ORDER BY part
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* @return Doctrine_Query
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*/
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public function orderBy($orderby)
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{
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return $this->parseQueryPart('orderby', $orderby);
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}
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/**
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* limit
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* sets the Query query limit
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*
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* @param integer $limit limit to be used for limiting the query results
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* @return Doctrine_Query
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*/
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public function limit($limit)
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{
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return $this->parseQueryPart('limit', $limit);
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}
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/**
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* offset
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* sets the Query query offset
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*
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* @param integer $offset offset to be used for paginating the query
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* @return Doctrine_Query
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*/
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public function offset($offset)
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{
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return $this->parseQueryPart('offset', $offset);
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}
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/**
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* parseQueryPart
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* parses given DQL query part
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*
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* @param string $queryPartName the name of the query part
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* @param string $queryPart query part to be parsed
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* @return Doctrine_Query this object
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*/
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public function parseQueryPart($queryPartName, $queryPart)
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{
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$this->parts[$queryPartName][] = $queryPart;
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return $this;
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}
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} |