think\model\concern\ModelEvent

Complexity

Total Complexity

9

Size/Duplication

Total Lines	74
Duplicated Lines	0 %

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	trigger()	0	23	5
A	withEvent()	0	4	1
A	observe()	0	9	3

<?php
// +----------------------------------------------------------------------

You must use "/**" style comments for a file comment

// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2019 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------
declare (strict_types = 1);

namespace think\model\concern;

use think\App;
use think\Container;
use think\exception\ModelEventException;

/**
 * 模型事件处理
 */

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trait ModelEvent
{
    /**
     * 模型事件观察
     * @var array
     */
    protected static $observe = ['after_read', 'before_write', 'after_write', 'before_insert', 'after_insert', 'before_update', 'after_update', 'before_delete', 'after_delete', 'before_restore', 'after_restore'];

    /**
     * 是否需要事件响应
     * @var bool
     */
    protected $withEvent = true;

    /**
     * 注册一个模型观察者
     *
     * @param  string  $class

Missing parameter comment

     * @return void
     */
    protected static function observe(string $class): void
    {
        foreach (static::$observe as $event) {
            $call = 'on' . App::parseName($event, 1, false);

            if (method_exists($class, $call)) {
                $instance = Container::getInstance()->invokeClass($class);

                Container::pull('event')->listen(static::class . '.' . $event, [$instance, $call]);
            }
        }
    }

    /**
     * 当前操作的事件响应
     * @access protected
     * @param  bool $event  是否需要事件响应

Expected 1 spaces after parameter name; 2 found

     * @return $this
     */
    public function withEvent(bool $event)
    {
        $this->withEvent = $event;
        return $this;
    }

    /**
     * 触发事件
     * @access protected
     * @param  string $event  事件名

Expected 1 spaces after parameter name; 2 found

     * @return bool
     */
    protected function trigger(string $event): bool
    {
        if (!$this->withEvent) {
            return true;
        }

        $call = 'on' . App::parseName($event, 1, false);

        if (method_exists($this, $call)) {
            $result = Container::getInstance()->invoke($call, [$this]);

            if (false === $result) {
                return false;
            } else {
                return true;
            }
        }

        try {
            Container::pull('event')->trigger(static::class . '.' . $event, $this);
            return true;
        } catch (ModelEventException $e) {
            return false;
        }
    }
}