learnpress / inc / interfaces / interface-curd.php

interface-curd.php in LearnPress – WordPress LMS Plugin for Create and Sell Online Courses 4.4.7, at inc/interfaces/interface-curd.php

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1	<?php
2
3	/**
4	* Interface LP_Interface_CURD
5	*/
6	interface LP_Interface_CURD {
7
8	/**
9	* Create item and insert to database.
10	*
11	* @since 3.0.0
12	*
13	* @param object $object
14	*/
15	public function create( &$object );
16
17	/**
18	* Load data from database.
19	*
20	* @since 3.0.0
21	*
22	* @param object $object
23	*/
24	public function load( &$object );
25
26	/**
27	* Update data into database.
28	*
29	* @since 3.0.0
30	*
31	* @param object $object
32	*/
33	public function update( &$object );
34
35	/**
36	* Delete data from database.
37	*
38	* @since 3.0.0
39	*
40	* @param object $object
41	*/
42	public function delete( &$object );
43
44	/**
45	* Duplicate item and insert to database
46	*
47	* @param $object
48	* @param array $args
49	*
50	* @return mixed
51	*/
52	public function duplicate( &$object, $args = array() );
53
54	/**
55	* Add new meta data.
56	*
57	* @since 3.0.0
58	*
59	* @param $object
60	* @param $meta
61	*/
62	public function add_meta( &$object, $meta );
63
64	/**
65	* Read meta data for passed object.
66	*
67	* @since 3.0.0
68	*
69	* @param $object
70	*/
71	public function read_meta( &$object );
72
73	/**
74	* Update meta data.
75	*
76	* @since 3.0.0
77	*
78	* @param $object
79	* @param $meta
80	*/
81	public function update_meta( &$object, $meta );
82
83	/**
84	* Delete meta data.
85	*
86	* @since 3.0.0
87	*
88	* @param $object
89	* @param $meta
90	*/
91	public function delete_meta( &$object, $meta );
92
93	}
94
95	/**
96	* Class LP_Object_Data_Meta
97	*/
98	class LP_Object_Data_CURD {
99
100	/**
101	* @var string
102	*/
103	protected $_meta_type = 'post';
104
105	/**
106	* Errors codes and message.
107	*
108	* @var bool
109	*/
110	protected $_error_messages = false;
111
112	/**
113	* Add new meta data.
114	*
115	* @param $object
116	* @param $meta
117	*/
118	public function add_meta( &$object, $meta ) {
119	// TODO: Implement add_meta() method.
120	}
121
122	/**
123	* Delete meta data.
124	*
125	* @since 3.0.0
126	*
127	* @param $object
128	* @param $meta
129	*/
130	public function delete_meta( &$object, $meta ) {
131	// TODO: Implement delete_meta() method.
132	}
133
134	/**
135	* @param $object
136	*/
137	public function read_meta( &$object ) {
138	}
139
140	/**
141	* @editor tungnx
142	* @modify 4.1.4 - comment - not use
143	*/
144	/*public function read_meta_by_ids( $ids, $type = 'post' ) {
145	$this->_meta_type = $type;
146	foreach ( $ids as $id ) {
147	$this->read_meta( $id );
148	}
149	}*/
150
151	/**
152	* @editor tungnx
153	* @modify 4.1.4 - comment - not use
154	*/
155	/*public function _filter_meta_by_object( $v, $k ) {
156	return $v->{$this->_filter_object_name} == $this->_filter_object;
157	}*/
158
159	/**
160	* Update meta data.
161	*
162	* @since 3.0.0
163	*
164	* @param $object LP_Course\|LP_Lesson\|LP_Quiz\|LP_Question
165	* @param $meta
166	*/
167	public function update_meta( &$object, $meta ) {
168	update_metadata( $this->_meta_type, $object->get_id(), $meta->meta_key, $meta->meta_value );
169	}
170
171	/**
172	* @param $type
173	*
174	* @return mixed\|LP_Object_Data_CURD
175	*/
176	public static function get( $type ) {
177	static $curds = false;
178	if ( ! $curds ) {
179	$curds = array(
180	'user' => new LP_User_CURD(),
181	'order' => new LP_Order_CURD(),
182	);
183	}
184
185	return ! empty( $curds[ $type ] ) ? $curds[ $type ] : false;
186	}
187
188	/**
189	* Get WP_Object.
190	*
191	* @param $code
192	*
193	* @return bool\|WP_Error
194	*/
195	protected function get_error( $code ) {
196	if ( isset( $this->_error_messages[ $code ] ) ) {
197	return new WP_Error( $code, $this->_error_messages[ $code ] );
198	}
199
200	return false;
201	}
202
203	/**
204	* Wrap function $wpdb->prepare(...) to support arguments as
205	* array.
206	*
207	* @param string $query
208	* @param array\|mixed $args
209	*
210	* @example
211	*
212	* $this->prepare($sql, $one, $two, array($three, $four, $file))
213	* => $wpdb->prepare($sql, $one, $two, $three, $four, $file)
214	*
215	* @return string
216	* @editor tungnx - comment method
217	*/
218	/*public function prepare( $query, $args ) {
219	global $wpdb;
220	$args = func_get_args();
221	array_shift( $args );
222	$new_args = array();
223
224	foreach ( $args as $arg ) {
225	if ( is_array( $arg ) ) {
226	$new_args = array_merge( $new_args, $arg );
227	} else {
228	$new_args[] = $arg;
229	}
230	}
231
232	return $wpdb->prepare( $query, $new_args );
233	}*/
234	}
235