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<?php |
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/** |
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* Facades for Yii 2 |
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* |
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* @see https://github.com/sergeymakinen/yii2-facades |
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* @copyright Copyright (c) 2016-2017 Sergey Makinen (https://makinen.ru) |
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* @license https://github.com/sergeymakinen/yii2-facades/blob/master/LICENSE The MIT License |
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*/ |
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namespace sergeymakinen\facades; |
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use yii\base\Application; |
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use yii\base\InvalidConfigException; |
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/** |
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* Base facade class. |
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*/ |
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abstract class Facade |
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{ |
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/** |
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* Facaded component property accessors. |
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* |
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* @var array |
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*/ |
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private static $_accessors = []; |
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/** |
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* The facaded application. |
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* |
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* @var Application |
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*/ |
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private static $_app; |
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/** |
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* Facaded components. |
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* |
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* @var object[] |
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*/ |
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private static $_components = []; |
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/** |
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* Prevents the class to be instantiated. |
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*/ |
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private function __construct() |
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{ |
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} |
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/** |
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* Prevents the class to be serialized. |
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*/ |
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private function __wakeup() |
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{ |
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} |
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/** |
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* Prevents the class to be cloned. |
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*/ |
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private function __clone() |
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{ |
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} |
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/** |
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* Redirects static calls to component instance calls. |
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* |
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* @inheritDoc |
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*/ |
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public static function __callStatic($name, $arguments) |
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{ |
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$id = static::getFacadeComponentId(); |
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if (!isset(self::$_accessors[$id])) { |
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self::$_accessors[$id] = []; |
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foreach ((new \ReflectionClass(static::getFacadeComponent()))->getProperties( |
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\ReflectionProperty::IS_PUBLIC & ~\ReflectionProperty::IS_STATIC |
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) as $property) { |
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$accessor = ucfirst($property->getName()); |
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self::$_accessors[$id]['get' . $accessor] = $property->getName(); |
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self::$_accessors[$id]['set' . $accessor] = $property->getName(); |
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} |
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} |
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if (isset(self::$_accessors[$id][$name])) { |
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if ($name[0] === 'g') { |
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return static::getFacadeComponent()->{self::$_accessors[$id][$name]}; |
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} else { |
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static::getFacadeComponent()->{self::$_accessors[$id][$name]} = reset($arguments); |
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return null; |
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} |
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} else { |
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return call_user_func_array([ |
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static::getFacadeComponent(), |
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$name, |
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], $arguments); |
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} |
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} |
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/** |
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* Clears a resolved facade component. |
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* |
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* @param string $id |
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*/ |
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public static function clearResolvedFacadeComponent($id) |
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{ |
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unset(self::$_accessors[$id], self::$_components[$id]); |
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} |
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/** |
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* Clears all resolved facade components. |
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*/ |
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public static function clearResolvedFacadeComponents() |
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{ |
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self::$_accessors = []; |
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self::$_components = []; |
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} |
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/** |
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* Returns a component ID being facaded. |
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* |
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* @return string |
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* @throws \yii\base\InvalidConfigException |
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*/ |
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public static function getFacadeComponentId() |
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{ |
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throw new InvalidConfigException('Facade must implement getFacadeComponentId method.'); |
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} |
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/** |
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* Returns a component being facaded. |
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* |
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* @return object |
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*/ |
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public static function getFacadeComponent() |
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{ |
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$id = static::getFacadeComponentId(); |
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if (!isset(self::$_components[$id])) { |
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self::$_components[$id] = static::getFacadeApplication()->get($id); |
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} |
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return self::$_components[$id]; |
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} |
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/** |
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* Returns the facaded application. |
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* |
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* @return Application |
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*/ |
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public static function getFacadeApplication() |
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{ |
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if (!isset(self::$_app)) { |
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self::$_app = \Yii::$app; |
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} |
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return self::$_app; |
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} |
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/** |
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* Sets the facaded application. |
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* |
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* @param Application $value |
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*/ |
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public static function setFacadeApplication(Application $value) |
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{ |
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self::$_app = $value; |
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self::clearResolvedFacadeComponents(); |
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} |
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} |
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sergeymakinen /
yii2-facades
