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<?php
/**
* @link http://www.yiiframework.com/
* @copyright Copyright (c) 2008 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
namespace yii\sphinx;
use yii\db\ActiveQueryInterface;
use yii\db\ActiveQueryTrait;
/**
* Class ActiveQuery
*
* @author Paul Klimov <klimov.paul@gmail.com>
* @since 2.0
*/
class ActiveQuery extends Query implements ActiveQueryInterface
{
use ActiveQueryTrait;
/**
* @var string the SQL statement to be executed for retrieving AR records.
* This is set by [[ActiveRecord::findBySql()]].
*/
public $sql;
/**
* Sets the [[snippetCallback]] to [[fetchSnippetSourceFromModels]], which allows to
* fetch the snippet source strings from the Active Record models, using method
* [[ActiveRecord::getSnippetSource()]].
* Warning: this option should NOT be used with [[asArray]] at the same time!
* @return static the query object itself
*/
public function snippetByModel()
{
$this->snippetCallback(array($this, 'fetchSnippetSourceFromModels'));
return $this;
}
/**
* Executes query and returns all results as an array.
* @param Connection $db the DB connection used to create the DB command.
* If null, the DB connection returned by [[modelClass]] will be used.
* @return array the query results. If the query results in nothing, an empty array will be returned.
*/
public function all($db = null)
{
$command = $this->createCommand($db);
$rows = $command->queryAll();
if (!empty($rows)) {
$models = $this->createModels($rows);
if (!empty($this->with)) {
$this->findWith($this->with, $models);
}
$models = $this->fillUpSnippets($models);
return $models;
} else {
return [];
}
}
/**
* Executes query and returns a single row of result.
* @param Connection $db the DB connection used to create the DB command.
* If null, the DB connection returned by [[modelClass]] will be used.
* @return ActiveRecord|array|null a single row of query result. Depending on the setting of [[asArray]],
* the query result may be either an array or an ActiveRecord object. Null will be returned
* if the query results in nothing.
*/
public function one($db = null)
{
$command = $this->createCommand($db);
$row = $command->queryOne();
if ($row !== false) {
if ($this->asArray) {
$model = $row;
} else {
/** @var $class ActiveRecord */
$class = $this->modelClass;
$model = $class::create($row);
}
if (!empty($this->with)) {
$models = [$model];
$this->findWith($this->with, $models);
$model = $models[0];
}
list ($model) = $this->fillUpSnippets([$model]);
return $model;
} else {
return null;
}
}
/**
* Creates a DB command that can be used to execute this query.
* @param Connection $db the DB connection used to create the DB command.
* If null, the DB connection returned by [[modelClass]] will be used.
* @return Command the created DB command instance.
*/
public function createCommand($db = null)
{
/** @var $modelClass ActiveRecord */
$modelClass = $this->modelClass;
$this->setConnection($db);
$db = $this->getConnection();
$params = $this->params;
if ($this->sql === null) {
if ($this->from === null) {
$tableName = $modelClass::indexName();
if ($this->select === null && !empty($this->join)) {
$this->select = ["$tableName.*"];
}
$this->from = [$tableName];
}
list ($this->sql, $params) = $db->getQueryBuilder()->build($this);
}
return $db->createCommand($this->sql, $params);
}
/**
* @inheritdoc
*/
protected function defaultConnection()
{
$modelClass = $this->modelClass;
return $modelClass::getDb();
}
/**
* Fetches the source for the snippets using [[ActiveRecord::getSnippetSource()]] method.
* @param ActiveRecord[] $models raw query result rows.
* @return array snippet source strings
*/
protected function fetchSnippetSourceFromModels($models)
{
$result = [];
foreach ($models as $model) {
$result[] = $model->getSnippetSource();
}
return $result;
}
}