<?php<liu21st@gmail.com>
namespace think\model\concern;
use think\Container;
trait ModelEvent
{
private static $event = [];
public static function event($event, $callback, $override = false)
{
$class = static::class;
if ($override) {
self::$event[$class][$event] = [];
}
self::$event[$class][$event][] = $callback;
}
protected function trigger($event)
{
$class = static::class;
if (isset(self::$event[$class][$event])) {
foreach (self::$event[$class][$event] as $callback) {
$result = Container::getInstance()->invoke($callback, [$this]);
if (false === $result) {
return false;
}
}
}
return true;
}
protected static function beforeInsert($callback, $override = false)
{
self::event('before_insert', $callback, $override);
}
protected static function afterInsert($callback, $override = false)
{
self::event('after_insert', $callback, $override);
}
protected static function beforeUpdate($callback, $override = false)
{
self::event('before_update', $callback, $override);
}
protected static function afterUpdate($callback, $override = false)
{
self::event('after_update', $callback, $override);
}
protected static function beforeWrite($callback, $override = false)
{
self::event('before_write', $callback, $override);
}
protected static function afterWrite($callback, $override = false)
{
self::event('after_write', $callback, $override);
}
protected static function beforeDelete($callback, $override = false)
{
self::event('before_delete', $callback, $override);
}
protected static function afterDelete($callback, $override = false)
{
self::event('after_delete', $callback, $override);
}
}