1 <?php
 2 
 3 namespace Docoflow\Traits;
 4 
 5 /**
 6  * You can attach a static macro method to this class. Means, you can extend the class on the fly.
 7  *
 8  * @author Krisan Alfa Timur <krisanalfa@docotel.co.id>
 9  */
10 trait HasMutator
11 {
12     /**
13      * Stored mutator
14      *
15      * @var array
16      */
17     protected static $mutator = [];
18 
19     /**
20      * Static implementation of this class.
21      *
22      * @var \Docoflow\Models\WorkflowVerificator
23      */
24     protected static $instance;
25 
26     /**
27      * This method is invoked after each record is instantiated by a find method. Here, we can bind static instance for mutator.
28      *
29      * @return void
30      */
31     protected function afterFind()
32     {
33         parent::afterFind();
34 
35         static::$instance = $this;
36     }
37 
38     /**
39      * Statically get instance, useful to get instance from mutator
40      *
41      * @return \Docoflow\Models\WorkflowVerificator
42      */
43     public static function getInstance()
44     {
45         return static::$instance;
46     }
47 
48     /**
49      * Determine if mutator is exist
50      *
51      * @param string $mutator Mutator name
52      *
53      * @return boolean
54      */
55     public static function hasMutator($mutator)
56     {
57         return isset(static::$mutator[$mutator]);
58     }
59 
60     /**
61      * Register new mutator
62      *
63      * @param string   $mutator  Mutator name
64      * @param callable $callback Mutator callback
65      *
66      * @return void
67      */
68     public static function mutate($mutator, callable $callback)
69     {
70         static::$mutator[$mutator] = $callback;
71     }
72 
73     /**
74      * Call mutator statically
75      *
76      * @param string $method     Mutator name
77      * @param array  $parameters Parameters bind to your mutator
78      *
79      * @return mixed
80      */
81     public static function callMutator($method, array $parameters = array())
82     {
83         if (static::$mutator[$method] instanceof Closure) {
84             return call_user_func_array(Closure::bind(static::$mutator[$method], null, get_called_class()), $parameters);
85         } else {
86             return call_user_func_array(static::$mutator[$method], $parameters);
87         }
88     }
89 }
90