1 <?php
 2 
 3 /*
 4  * This file is part of the ICanBoogie package.
 5  *
 6  * (c) Olivier Laviale <olivier.laviale@gmail.com>
 7  *
 8  * For the full copyright and license information, please view the LICENSE
 9  * file that was distributed with this source code.
10  */
11 
12 namespace ICanBoogie\ActiveRecord;
13 
14 use ICanBoogie\DateTime;
15 
16 /**
17  * Provides support for datetime properties.
18  */
19 class DateTimePropertySupport
20 {
21     /**
22      * Sets the a datetime is a property.
23      *
24      * @param mixed $property Reference to the property to set.
25      * @param mixed $datetime Date and time.
26      */
27     static public function datetime_set(&$property, $datetime)
28     {
29         $property = $datetime;
30     }
31 
32     /**
33      * Returns the {@link DateTime} instance of a property.
34      *
35      * @param mixed $property Reference to the property to return.
36      *
37      * @return DateTime The function always return a {@link DateTime} instance.
38      */
39     static public function datetime_get(&$property)
40     {
41         if ($property instanceof DateTime)
42         {
43             return $property;
44         }
45 
46         return $property = $property === null ? DateTime::none() : new DateTime($property, 'utc');
47     }
48 }
49 
50 /**
51  * Implements a `datetime` property.
52  */
53 trait DateTimeProperty
54 {
55     /**
56      * The date and time at which the record was created.
57      *
58      * @var string
59      */
60     private $datetime;
61 
62     /**
63      * Returns the date and time at which the record was created.
64      *
65      * @return \ICanBoogie\DateTime
66      */
67     protected function get_datetime()
68     {
69         return DateTimePropertySupport::datetime_get($this->datetime);
70     }
71 
72     /**
73      * Sets the date and time at which the record was created.
74      *
75      * @param mixed $value
76      */
77     protected function set_datetime($datetime)
78     {
79         DateTimePropertySupport::datetime_set($this->datetime, $datetime);
80     }
81 }