Event::subscribe() - Code Metrics - Inspection of "Event类调整" - top-think/framework - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — 6.0 ( b19574...b50b1c )

by liu

created 2019-04-13 10:17 UTC

Event::subscribe() A

↳ Parent: Event

Complexity

Conditions	5
Paths	6

Size

Total Lines	23
Code Lines	11

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	5
CRAP Score	9.0581

Importance

Changes

Metric	Value
cc	5
eloc	11
nc	6
nop	1
dl	0
loc	23
ccs	5
cts	11
cp	0.4545
crap	9.0581
rs	9.6111
c	0
b	0
f	0

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

// | 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 <[email protected]>
// +----------------------------------------------------------------------
declare (strict_types = 1);

namespace think;

class Event

{
    /**
     * 监听者
     * @var array
     */
    protected $listener = [];

    /**
     * 观察者
     * @var array
     */
    protected $observer = [];

    /**
     * 事件别名
     * @var array
     */
    protected $bind = [
        'AppInit'  => event\AppInit::class,
        'HttpRun'  => event\HttpRun::class,
        'HttpEnd'  => event\HttpEnd::class,
        'LogLevel' => event\LogLevel::class,
        'LogWrite' => event\LogWrite::class,
    ];

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

    /**
     * 应用对象
     * @var App
     */
    protected $app;

    public function __construct(App $app)

    {
        $this->app = $app;
    }

    /**
     * 设置是否开启事件响应
     * @access protected
     * @param  bool $event 是否需要事件响应
     * @return $this
     */
    public function withEvent(bool $event)
    {
        $this->withEvent = $event;
        return $this;
    }

    /**
     * 批量注册事件监听
     * @access public
     * @param  array $events 事件定义
     * @return $this
     */
    public function listenEvents(array $events)
    {
        if (!$this->withEvent) {
            return $this;
        }

        foreach ($events as $event => $listeners) {
            if (isset($this->bind[$event])) {
                $event = $this->bind[$event];
            }

            $this->listener[$event] = array_merge($this->listener[$event] ?? [], $listeners);
        }

        return $this;
    }

    /**
     * 注册事件监听
     * @access public
     * @param  string $event    事件名称
     * @param  mixed  $listener 监听操作（或者类名）
     * @param  bool   $first    是否优先执行
     * @return $this
     */
    public function listen(string $event, $listener, bool $first = false)
    {
        if (!$this->withEvent) {
            return $this;
        }

        if (isset($this->bind[$event])) {
            $event = $this->bind[$event];
        }

        if ($first && isset($this->listener[$event])) {
            array_unshift($this->listener[$event], $listener);
        } else {
            $this->listener[$event][] = $listener;
        }

        return $this;
    }

    /**
     * 是否存在事件监听
     * @access public
     * @param  string $event 事件名称
     * @return bool
     */
    public function hasListen(string $event): bool
    {
        if (isset($this->bind[$event])) {
            $event = $this->bind[$event];
        }

        return isset($this->listener[$event]);
    }

    /**
     * 移除事件监听
     * @access public
     * @param  string $event 事件名称
     * @return $this
     */
    public function remove(string $event): void
    {
        if (isset($this->bind[$event])) {
            $event = $this->bind[$event];
        }

        unset($this->listener[$event]);
    }

    /**
     * 指定事件别名标识 便于调用
     * @access public
     * @param  array $events 事件别名
     * @return $this
     */
    public function bind(array $events)
    {
        $this->bind = array_merge($this->bind, $events);

        return $this;
    }

    /**
     * 注册事件订阅者
     * @access public
     * @param  mixed $subscriber 订阅者
     * @return $this
     */
    public function subscribe($subscriber)
    {
        if (!$this->withEvent) {
            return $this;
        }

        $subscribers = (array) $subscriber;

        foreach ($subscribers as $subscriber) {

            if (is_string($subscriber)) {
                $subscriber = $this->app->make($subscriber);
            }

            if (method_exists($subscriber, 'subscribe')) {
                // 手动订阅
                $subscriber->subscribe($this);
            } else {
                // 智能订阅
                $this->observe($subscriber);
            }
        }

        return $this;
    }

    /**
     * 自动注册事件观察者
     * @access public
     * @param  string|object $observer 观察者
     * @return $this
     */
    public function observe($observer)
    {
        if (!$this->withEvent) {
            return $this;
        }

        if (is_string($observer)) {
            $observer = $this->app->make($observer);
        }

        $events = array_keys($this->listener);

        foreach ($events as $event) {
            $method = 'on' . substr(strrchr($event, '\\'), 1);

            if (method_exists($observer, $method)) {
                $this->listen($event, [$observer, $method]);
            }
        }

        return $this;
    }

    /**
     * 触发事件
     * @access public
     * @param  string|object $event  事件名称
     * @param  mixed         $params 传入参数
     * @param  bool          $once   只获取一个有效返回值
     * @return mixed
     */
    public function trigger($event, $params = null, bool $once = false)
    {
        if (!$this->withEvent) {
            return;
        }

        if (is_object($event)) {
            $class = get_class($event);
            $this->app->instance($class, $event);
            $event = $class;
        }

        if (isset($this->bind[$event])) {
            $event = $this->bind[$event];
        }

        $listeners = $this->listener[$event] ?? [];

        $result = [];
        foreach ($listeners as $key => $listener) {
            $result[$key] = $this->dispatch($listener, $params);

            if (false === $result[$key] || (!is_null($result[$key]) && $once)) {
                break;
            }
        }

        return $once ? end($result) : $result;
    }

    /**
     * 执行事件调度
     * @access protected
     * @param  mixed $event  事件方法
     * @param  mixed $params 参数
     * @return mixed
     */
    protected function dispatch($event, $params = null)
    {
        if (!is_string($event)) {
            $call = $event;
        } elseif (strpos($event, '::')) {
            $call = $event;
        } else {
            $obj  = $this->app->make($event);
            $call = [$obj, 'handle'];
        }

        return $this->app->invoke($call, [$params]);
    }

}


1		<?php
2		// +----------------------------------------------------------------------
		1 ignored issue – show Coding Style introduced 2019-02-27 06:16 UTC by Report Bug Copy Issue Report You must use "/**" style comments for a file comment Loading history...
3		// \| ThinkPHP [ WE CAN DO IT JUST THINK ]
4		// +----------------------------------------------------------------------
5		// \| Copyright (c) 2006~2019 http://thinkphp.cn All rights reserved.
6		// +----------------------------------------------------------------------
7		// \| Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
8		// +----------------------------------------------------------------------
9		// \| Author: liu21st <[email protected]>
10		// +----------------------------------------------------------------------
11		declare (strict_types = 1);
12
13		namespace think;
14
15		class Event
		1 ignored issue – show Coding Style introduced 2019-03-30 12:16 UTC by Report Bug Copy Issue Report Missing doc comment for class Event Loading history...
16		{
17		/**
18		* 监听者
19		* @var array
20		*/
21		protected $listener = [];
22
23		/**
24		* 观察者
25		* @var array
26		*/
27		protected $observer = [];
28
29		/**
30		* 事件别名
31		* @var array
32		*/
33		protected $bind = [
34		'AppInit' => event\AppInit::class,
35		'HttpRun' => event\HttpRun::class,
36		'HttpEnd' => event\HttpEnd::class,
37		'LogLevel' => event\LogLevel::class,
38		'LogWrite' => event\LogWrite::class,
39		];
40
41		/**
42		* 是否需要事件响应
43		* @var bool
44		*/
45		protected $withEvent = true;
46
47		/**
48		* 应用对象
49		* @var App
50		*/
51		protected $app;
52
53	6	public function __construct(App $app)
		0 ignored issues – show Coding Style introduced 2019-03-30 12:16 UTC by Report Bug Copy Issue Report Missing doc comment for function __construct() Loading history...
54		{
55	6	$this->app = $app;
56	6	}
57
58		/**
59		* 设置是否开启事件响应
60		* @access protected
61		* @param bool $event 是否需要事件响应
62		* @return $this
63		*/
64	6	public function withEvent(bool $event)
65		{
66	6	$this->withEvent = $event;
67	6	return $this;
68		}
69
70		/**
71		* 批量注册事件监听
72		* @access public
73		* @param array $events 事件定义
74		* @return $this
75		*/
76	1	public function listenEvents(array $events)
77		{
78	1	if (!$this->withEvent) {
79		return $this;
80		}
81
82	1	foreach ($events as $event => $listeners) {
83		if (isset($this->bind[$event])) {
84		$event = $this->bind[$event];
85		}
86
87		$this->listener[$event] = array_merge($this->listener[$event] ?? [], $listeners);
88		}
89
90	1	return $this;
91		}
92
93		/**
94		* 注册事件监听
95		* @access public
96		* @param string $event 事件名称
97		* @param mixed $listener 监听操作（或者类名）
98		* @param bool $first 是否优先执行
99		* @return $this
100		*/
101		public function listen(string $event, $listener, bool $first = false)
102		{
103		if (!$this->withEvent) {
104		return $this;
105		}
106
107		if (isset($this->bind[$event])) {
108		$event = $this->bind[$event];
109		}
110
111		if ($first && isset($this->listener[$event])) {
112		array_unshift($this->listener[$event], $listener);
113		} else {
114		$this->listener[$event][] = $listener;
115		}
116
117		return $this;
118		}
119
120		/**
121		* 是否存在事件监听
122		* @access public
123		* @param string $event 事件名称
124		* @return bool
125		*/
126		public function hasListen(string $event): bool
127		{
128		if (isset($this->bind[$event])) {
129		$event = $this->bind[$event];
130		}
131
132		return isset($this->listener[$event]);
133		}
134
135		/**
136		* 移除事件监听
137		* @access public
138		* @param string $event 事件名称
139		* @return $this
140		*/
141		public function remove(string $event): void
142		{
143		if (isset($this->bind[$event])) {
144		$event = $this->bind[$event];
145		}
146
147		unset($this->listener[$event]);
148		}
149
150		/**
151		* 指定事件别名标识便于调用
152		* @access public
153		* @param array $events 事件别名
154		* @return $this
155		*/
156	1	public function bind(array $events)
157		{
158	1	$this->bind = array_merge($this->bind, $events);
159
160	1	return $this;
161		}
162
163		/**
164		* 注册事件订阅者
165		* @access public
166		* @param mixed $subscriber 订阅者
167		* @return $this
168		*/
169	1	public function subscribe($subscriber)
170		{
171	1	if (!$this->withEvent) {
172		return $this;
173		}
174
175	1	$subscribers = (array) $subscriber;
176
177	1	foreach ($subscribers as $subscriber) {
		0 ignored issues – show introduced 2019-02-23 02:36 UTC by Report Bug Copy Issue Report `$subscriber` is overwriting one of the parameters of this function. Loading history...
178		if (is_string($subscriber)) {
179		$subscriber = $this->app->make($subscriber);
180		}
181
182		if (method_exists($subscriber, 'subscribe')) {
183		// 手动订阅
184		$subscriber->subscribe($this);
185		} else {
186		// 智能订阅
187		$this->observe($subscriber);
188		}
189		}
190
191	1	return $this;
192		}
193
194		/**
195		* 自动注册事件观察者
196		* @access public
197		* @param string\|object $observer 观察者
198		* @return $this
199		*/
200		public function observe($observer)
201		{
202		if (!$this->withEvent) {
203		return $this;
204		}
205
206		if (is_string($observer)) {
207		$observer = $this->app->make($observer);
208		}
209
210		$events = array_keys($this->listener);
211
212		foreach ($events as $event) {
213		$method = 'on' . substr(strrchr($event, '\\'), 1);
214
215		if (method_exists($observer, $method)) {
216		$this->listen($event, [$observer, $method]);
217		}
218		}
219
220		return $this;
221		}
222
223		/**
224		* 触发事件
225		* @access public
226		* @param string\|object $event 事件名称
227		* @param mixed $params 传入参数
228		* @param bool $once 只获取一个有效返回值
229		* @return mixed
230		*/
231	6	public function trigger($event, $params = null, bool $once = false)
232		{
233	6	if (!$this->withEvent) {
234		return;
235		}
236
237	6	if (is_object($event)) {
238		$class = get_class($event);
239		$this->app->instance($class, $event);
240		$event = $class;
241		}
242
243	6	if (isset($this->bind[$event])) {
244	6	$event = $this->bind[$event];
245		}
246
247	6	$listeners = $this->listener[$event] ?? [];
248
249	6	$result = [];
250	6	foreach ($listeners as $key => $listener) {
251		$result[$key] = $this->dispatch($listener, $params);
252
253		if (false === $result[$key] \|\| (!is_null($result[$key]) && $once)) {
254		break;
255		}
256		}
257
258	6	return $once ? end($result) : $result;
259		}
260
261		/**
262		* 执行事件调度
263		* @access protected
264		* @param mixed $event 事件方法
265		* @param mixed $params 参数
266		* @return mixed
267		*/
268		protected function dispatch($event, $params = null)
269		{
270		if (!is_string($event)) {
271		$call = $event;
272		} elseif (strpos($event, '::')) {
273		$call = $event;
274		} else {
275		$obj = $this->app->make($event);
276		$call = [$obj, 'handle'];
277		}
278
279		return $this->app->invoke($call, [$params]);
280		}
281
282		}
283

top-think / framework

Push — 6.0 ( b19574...b50b1c )

Event::subscribe() A

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