learnpress / inc / Databases / class-lp-material-db.php

class-lp-material-db.php in LearnPress – WordPress LMS Plugin for Create and Sell Online Courses 4.4.4, at inc/Databases/class-lp-material-db.php

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1	<?php
2	/**
3	* Class LP_Material_Files_DB
4	*
5	* @version 1.0.0
6	* @since 4.2.2
7	*/
8	defined( 'ABSPATH' ) \|\| exit();
9
10	if ( class_exists( 'LP_Material_Files_DB' ) ) {
11	return;
12	}
13	class LP_Material_Files_DB extends LP_Database {
14
15	private static $_instance;
16	public $table_name;
17	protected function __construct() {
18	parent::__construct();
19	$this->table_name = $this->tb_lp_files;
20	}
21
22	public static function getInstance() {
23	if ( is_null( self::$_instance ) ) {
24	self::$_instance = new self();
25	}
26
27	return self::$_instance;
28	}
29
30	/**
31	* @version 1.0.0
32	* @since 4.2.2
33	* [create_material create new material]
34	* @param [array] $data [data to create a material: file name, file type, the post id, post type, save method, file path or file url, created date ]
35	* @return [int] new record id(file_id)
36	*/
37	public function create_material( $data ) {
38	if ( ! is_array( $data ) ) {
39	return;
40	}
41	if ( ! is_int( $data['item_id'] ) ) {
42	return;
43	}
44	$insert_file = $this->wpdb->insert(
45	$this->table_name,
46	$data,
47	array(
48	'%s',
49	'%s',
50	'%d',
51	'%s',
52	'%s',
53	'%s',
54	'%d',
55	'%s',
56	)
57	);
58	$this->check_execute_has_error();
59	return $insert_file ? $this->wpdb->insert_id : false;
60	}
61
62	/**
63	* @version 1.0.0
64	* @since 4.2.2
65	* [get_single_material get a material]
66	* @param [int] $file_id [file_id]
67	* @return [object\|\|null] [A material or null]
68	*/
69	public function get_material( $file_id = 0 ) {
70	if ( ! is_int( $file_id ) ) {
71	return;
72	}
73	$row = $this->wpdb->get_row(
74	$this->wpdb->prepare(
75	"SELECT * FROM $this->table_name WHERE file_id = %d",
76	$file_id
77	)
78	);
79	$this->check_execute_has_error();
80	return $row;
81	}
82	/**
83	* @version 1.0.0
84	* @since 4.2.2
85	* [get_material_by_item_id get all material files of a post( course or lesson )]
86	* @param integer $item_id [post_id]
87	* @param integer $per_page [file amount for each get files]
88	* @param integer $offset [query offset]
89	* @param boolean $is_admin [check if is admin page, use for course to get only course's files ( don't include lesson's files )]
90	* @return [array] [post's material files]
91	*/
92	public function get_material_by_item_id( $item_id = 0, $perpage = 0, $offset = 0, $is_admin = false ) {
93	if ( ! is_int( $item_id ) ) {
94	return;
95	}
96	$result = array();
97	if ( get_post_type( $item_id ) == LP_COURSE_CPT && ! $is_admin ) {
98	$sql = "SELECT * FROM $this->table_name WHERE item_id
99	IN ( SELECT si.item_id FROM $this->tb_lp_section_items AS si
100	INNER JOIN $this->tb_lp_sections AS s ON s.section_id = si.section_id
101	WHERE s.section_course_id=%d )
102	OR item_id=%d ORDER BY item_id, orders";
103	if ( $perpage > 0 ) {
104	$sql .= ' LIMIT ' . intval( $perpage );
105	}
106	if ( $offset > 0 && $perpage > 0 ) {
107	$sql .= ' OFFSET ' . intval( $offset );
108	}
109	$result = $this->wpdb->get_results(
110	$this->wpdb->prepare(
111	$sql,
112	$item_id,
113	$item_id
114	)
115	);
116	} else {
117	$sql = "SELECT * FROM $this->table_name WHERE item_id = %d ORDER BY orders";
118	if ( $perpage > 0 ) {
119	$sql .= ' LIMIT ' . intval( $perpage );
120	}
121	if ( $offset > 0 && $perpage > 0 ) {
122	$sql .= ' OFFSET ' . intval( $offset );
123	}
124	$result = $this->wpdb->get_results(
125	$this->wpdb->prepare(
126	$sql,
127	$item_id
128	)
129	);
130	}
131	$this->check_execute_has_error();
132	return $result;
133	}
134
135	/**
136	* [get_total get total file amount of an item]
137	* @param [type] $item_id [description]
138	* @return [type] [description]
139	*/
140	public function get_total( $item_id ) {
141	if ( ! $item_id ) {
142	return;
143	}
144	$item_id = (int) $item_id;
145	if ( get_post_type( $item_id ) == LP_COURSE_CPT ) {
146	$sql = "SELECT COUNT(file_id) FROM $this->table_name WHERE item_id
147	IN ( SELECT si.item_id FROM $this->tb_lp_section_items AS si
148	INNER JOIN $this->tb_lp_sections AS s ON s.section_id = si.section_id
149	WHERE s.section_course_id=%d )
150	OR item_id=%d ORDER BY item_id";
151	$result = $this->wpdb->get_var(
152	$this->wpdb->prepare(
153	$sql,
154	$item_id,
155	$item_id
156	)
157	);
158	} else {
159	$sql = "SELECT COUNT(file_id) FROM $this->table_name WHERE item_id = %d";
160	$result = $this->wpdb->get_var(
161	$this->wpdb->prepare(
162	$sql,
163	$item_id
164	)
165	);
166	}
167	$this->check_execute_has_error();
168	return (int) $result;
169	}
170
171	/**
172	* [update_material_orders update order of material]
173	* @param array $orders [array or materials]
174	* @param integer $item_id [item (course/lesson ID)]
175	* @return [type] [update or false]
176	*/
177	public function update_material_orders( $orders = [], $item_id = 0 ) {
178	if ( empty( $orders ) ) {
179	return;
180	}
181	if ( ! $item_id ) {
182	return;
183	}
184	$prepare_arr = [];
185	$sql = "UPDATE $this->table_name SET orders = (CASE ";
186	foreach ( $orders as $id => $val ) {
187	$sql .= 'when file_id = %d then %d ';
188	$prepare_arr[] = (int) $val['file_id'];
189	$prepare_arr[] = (int) $val['orders'];
190	}
191	$prepare_arr[] = $item_id;
192	$sql .= 'END) ';
193	$sql .= 'WHERE item_id = %d';
194	$update = $this->wpdb->query( $this->wpdb->prepare( $sql, $prepare_arr ) );
195	$this->check_execute_has_error();
196	return $update ? $update : 0;
197	}
198	/**
199	* @version 1.0.0
200	* @since 4.2.2
201	* [delete_material delete a material]
202	* @param [int] $file_id [file id]
203	* @return [boolean] [description]
204	*/
205	public function delete_material( $file_id = 0 ) {
206	if ( ! is_int( $file_id ) ) {
207	return;
208	}
209	$material = $this->get_material( $file_id );
210	if ( ! $material ) {
211	return;
212	}
213	$delete = $this->wpdb->delete(
214	$this->table_name,
215	array( 'file_id' => $file_id ),
216	array( '%d' )
217	);
218	$this->check_execute_has_error();
219
220	if ( $material->method == 'upload' && $delete ) {
221	$file_path = wp_upload_dir()['basedir'] . $material->file_path;
222	$this->delete_local_file( $file_path );
223	}
224	return $delete;
225	}
226	/**
227	* @version 1.0.0
228	* @since 4.2.2
229	* [delete_material_by_item_id delete all material file of an item]
230	* @param [int] $item_id [the post id]
231	* @return [boolean] [description]
232	*/
233	public function delete_material_by_item_id( $item_id = 0 ) {
234	if ( ! is_int( $item_id ) ) {
235	return;
236	}
237	$materials = $this->get_material_by_item_id( $item_id );
238	if ( ! $materials ) {
239	return;
240	}
241	$delete = $this->wpdb->delete(
242	$this->table_name,
243	array( 'item_id' => $item_id ),
244	array( '%d' )
245	);
246	$this->check_execute_has_error();
247	if ( $delete ) {
248	foreach ( $materials as $m ) {
249	if ( $m->method == 'upload' ) {
250	$file_path = wp_upload_dir()['basedir'] . $m->file_path;
251	$this->delete_local_file( $file_path );
252	}
253	}
254	}
255	return $delete;
256	}
257	/**
258	* @version 1.0.0
259	* @since 4.2.2
260	* [delete_local_file delete file when record is deleted]
261	* @param string $file_path [description]
262	*/
263	public function delete_local_file( $file_path = '' ) {
264	$file_init = LP_WP_Filesystem::instance();
265	if ( $file_init->file_exists( $file_path ) ) {
266	$file_init->unlink( $file_path );
267	}
268	}
269	}
270
271	LP_Material_Files_DB::getInstance();
272
273