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Proof of concept and example how to implement facades for yii2 components
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| <?php | |
| namespace app\components\facades; | |
| /** | |
| * Example how to use the facade class | |
| * uses yii\web\Connection | |
| */ | |
| class Db extends Facade | |
| { | |
| /** | |
| * get the app component name | |
| * @return string | |
| */ | |
| protected static function getComponentName() | |
| { | |
| return 'db'; | |
| } | |
| } |
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| <?php | |
| use app\components\facades\Db; | |
| $posts = Db::createCommand('SELECT * FROM posts')->queryAll(); |
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| <?php | |
| namespace app\components\facades; | |
| use Yii; | |
| abstract class Facade | |
| { | |
| /** | |
| * get the app component name | |
| * @return string | |
| */ | |
| abstract protected static function getComponentName(); | |
| /** | |
| * get the app component instance | |
| * @return Component/Object instance | |
| */ | |
| protected static function provideComponent() | |
| { | |
| $name = static::getComponentName(); | |
| return Yii::$app->get($name); | |
| } | |
| /** | |
| * get the app component instance | |
| * @return Component/Object instance | |
| */ | |
| public static function loadComponentInstance() | |
| { | |
| return static::provideComponent(); | |
| } | |
| /** | |
| * magic method static calls to the object's method. | |
| * | |
| * @param string $method | |
| * @param array $args | |
| * @return mixed | |
| * | |
| */ | |
| public static function __callStatic($method,$params) | |
| { | |
| $component = static::loadComponentInstance(); | |
| return call_user_func_array([$component, $method], $params); | |
| } | |
| } |
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| <?php | |
| namespace app\components\facades; | |
| /** | |
| * Example how to use the facade class | |
| * uses yii\web\View | |
| */ | |
| class View extends Facade | |
| { | |
| /** | |
| * get the app component name | |
| * @return string | |
| */ | |
| protected static function getComponentName() | |
| { | |
| return 'view'; | |
| } | |
| } |
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