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<?php |
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namespace Ffcms\Core\Managers; |
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use Ffcms\Core\App; |
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use Ffcms\Core\Helper\Type\Any; |
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/** |
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* Class EventManager. Control and run events. |
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* @package \Ffcms\Core\Event |
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* @author zenn |
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*/ |
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class EventManager |
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{ |
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/** @var array $events */ |
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private $events; |
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private $runned; |
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/** |
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* EventManager constructor. Get always initiated data from memory storage. |
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*/ |
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public function __construct() |
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{ |
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// get events from memory object saver |
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$this->events = App::$Memory->get('events.catched.save'); |
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$this->runned = App::$Memory->get('events.runned.save'); |
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} |
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/** |
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* Catch the event if it occurred after this initiation of interception |
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* @param string|array $event |
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* @param \Closure $callback |
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*/ |
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public function on($event, \Closure $callback): void |
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{ |
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// check if event is a single string and parse it to array single item |
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if (!Any::isArray($event)) { |
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$event = [$event]; |
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} |
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foreach ($event as $item) { |
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$this->events[$item][] = $callback; |
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} |
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} |
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/** |
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* Catch the event if it occurred before the initiation of interception |
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* @param string|array $event |
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* @param \Closure $callback |
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* @return void |
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*/ |
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public function listen($event, \Closure $callback): void |
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{ |
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// check if $event is a single string and set it as array with one item |
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if (!Any::isArray($event)) { |
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$event = [$event]; |
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} |
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// each every one event in array |
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foreach ($event as $item) { |
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if (Any::isArray($this->runned) && array_key_exists($item, $this->runned)) { |
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call_user_func_array($callback, $this->runned[$item]); |
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} |
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} |
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} |
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/** |
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* Process event on happens |
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* @return void |
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*/ |
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public function run(): void |
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{ |
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// dynamicly parse input params |
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$args = func_get_args(); |
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if (count($args) < 1) { |
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return; |
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} |
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// get event name |
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$eventName = array_shift($args); |
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// get event args as array if passed |
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$eventArgs = @array_shift($args); |
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// if event is registered |
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if (isset($this->events[$eventName]) && Any::isArray($this->events[$eventName])) { |
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foreach ($this->events[$eventName] as $callback) { |
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// call anonymous function with args if passed |
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call_user_func_array($callback, $eventArgs); |
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} |
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} |
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// set to post runned actions |
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$this->runned[$eventName] = $eventArgs; |
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} |
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/** |
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* Save events data in memory to prevent any sh@ts ;D |
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*/ |
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public function __destruct() |
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{ |
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App::$Memory->set('events.catched.save', $this->events); |
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App::$Memory->set('events.runned.save', $this->runned); |
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} |
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} |
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phpffcms /
ffcms-core
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