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<?php |
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namespace Rougin\Windstorm\Mutators; |
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use Rougin\Windstorm\QueryInterface; |
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use Rougin\Windstorm\MutatorInterface; |
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/** |
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* Return Entities Mutator |
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* |
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* @package Windstorm |
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* @author Rougin Gutib <[email protected]> |
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*/ |
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class ReturnEntities implements MutatorInterface |
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{ |
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/** |
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* @var string |
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*/ |
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protected $alias = ''; |
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/** |
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* @var string[] |
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*/ |
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protected $fields = array('*'); |
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/** |
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* @var integer|null |
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*/ |
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protected $limit = 10; |
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/** |
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* @var integer|null |
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*/ |
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protected $offset = 0; |
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/** |
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* @var string |
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*/ |
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protected $table = ''; |
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/** |
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* @var array |
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*/ |
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protected $wheres = array(); |
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/** |
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* Initializes the mutator instance. |
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* |
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* @param integer|null $limit |
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* @param integer|null $offset |
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*/ |
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public function __construct($limit = null, $offset = null) |
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{ |
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$this->limit = $limit; |
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$this->offset = $offset; |
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} |
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/** |
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* Returns an array of specified fields. |
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* |
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* @return array |
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*/ |
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public function fields() |
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{ |
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return $this->fields; |
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} |
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/** |
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* Returns the limit per result. |
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* |
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* @return integer |
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*/ |
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public function limit() |
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{ |
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return $this->limit; |
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} |
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/** |
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* Returns the offset of the current result. |
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* |
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* @return integer |
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*/ |
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public function offset() |
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{ |
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return $this->offset; |
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} |
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/** |
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* Mutates the specified query instance. |
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* |
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* @param \Rougin\Windstorm\QueryInterface $query |
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*/ |
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public function set(QueryInterface $query) |
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{ |
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$operations = array('<>', '>=', '<=', '>', '<', '='); |
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if (! $this->alias && $this->table) |
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{ |
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$this->alias = $this->table[0]; |
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} |
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$query = $this->query($query); |
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foreach ($this->wheres as $key => $value) |
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{ |
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$text = str_replace($operations, '', $value); |
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switch ($value[0]) |
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{ |
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case '<': |
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$query->where($key)->lessThan($text); |
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break; |
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case '<=': |
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$query->where($key)->lessThanOrEqualTo($text); |
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break; |
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case '<>': |
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$query->where($key)->notEqualTo($text); |
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break; |
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case '>': |
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$query->where($key)->greaterThan($text); |
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break; |
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case '>=': |
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$query->where($key)->greaterThanOrEqualTo($text); |
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break; |
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case '%': |
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$query->where($key)->like($value); |
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break; |
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default: |
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$query->where($key)->equals($value); |
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break; |
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} |
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} |
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if ($this->limit === null) |
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{ |
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return $query; |
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} |
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return $query->limit($this->limit, $this->offset); |
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} |
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/** |
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151
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* Sets a where like instance to the query. |
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152
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* |
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* @param string $key |
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* @param mixed $value |
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* @return self |
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156
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*/ |
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public function where($key, $value) |
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{ |
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$this->wheres[$key] = $value; |
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return $this; |
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} |
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/** |
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* Sets an array of where like conditions. |
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* |
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* @param array $wheres |
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* @return self |
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*/ |
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public function wheres(array $wheres) |
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{ |
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foreach ($wheres as $key => $value) |
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{ |
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$this->where($key, $value); |
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} |
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return $this; |
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} |
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/** |
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* Sets a predefined query instance. |
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* |
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* @param \Rougin\Windstorm\QueryInterface $query |
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* @return \Rougin\Windstorm\QueryInterface |
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*/ |
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186
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protected function query(QueryInterface $query) |
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{ |
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$query->select((array) $this->fields); |
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return $query->from($this->table, $this->alias); |
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} |
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} |
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193
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rougin /
windstorm
