learnpress / inc / databases / class-lp-user-item-results-db.php

class-lp-user-item-results-db.php in LearnPress – WordPress LMS Plugin for Create and Sell Online Courses 4.1.7.3, at inc/databases/class-lp-user-item-results-db.php

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1	<?php
2
3	/**
4	* Query in table learnpress_user_item_result.
5	*
6	* @author Nhamdv <email@email.com>
7	*/
8	class LP_User_Items_Result_DB extends LP_Database {
9	private static $_instance = null;
10
11	protected function __construct() {
12	parent::__construct();
13	}
14
15	/**
16	* Get list results.
17	*
18	* @param [type] $user_item_id
19	* @param integer $limit Number result in db.
20	* @param boolean $last Remove lastest result.
21	*
22	* @return array result
23	*/
24	public function get_results( $user_item_id, $limit = 3, $last = false ) {
25	global $wpdb;
26
27	if ( ! $user_item_id ) {
28	return array();
29	}
30
31	$limit = absint( $limit ) ?? 3;
32
33	$query = $wpdb->prepare(
34	"SELECT result FROM $wpdb->learnpress_user_item_results
35	WHERE user_item_id=%d ORDER BY id DESC LIMIT %d",
36	$user_item_id,
37	$limit + 1
38	);
39
40	$col = $wpdb->get_col( $query );
41
42	if ( ! empty( $col ) && $last ) {
43	unset( $col[0] );
44	}
45
46	return $col;
47	}
48
49	/**
50	* Get latest result.
51	*
52	* @param integer $user_item_id
53	*
54	* @return array\|bool
55	*/
56	public function get_result( int $user_item_id = 0 ) {
57	if ( ! $user_item_id ) {
58	return false;
59	}
60
61	$result = $this->wpdb->get_var(
62	$this->wpdb->prepare(
63	"SELECT result FROM $this->tb_lp_user_item_results
64	WHERE user_item_id = %d
65	ORDER BY id DESC LIMIT 1
66	",
67	$user_item_id
68	)
69	);
70
71	return $result && is_string( $result ) ? json_decode( $result, true ) : false;
72	}
73
74	/**
75	* Update or Insert result
76	*
77	* @param int $user_item_id
78	* @param string $result
79	*
80	* @return bool\|int
81	*/
82	public function update( int $user_item_id = 0, string $result = '' ) {
83	global $wpdb;
84
85	if ( ! $user_item_id ) {
86	return false;
87	}
88
89	$max_id = $wpdb->get_var(
90	$wpdb->prepare(
91	"SELECT MAX(id) id FROM $wpdb->learnpress_user_item_results
92	WHERE user_item_id=%d
93	",
94	$user_item_id
95	)
96	);
97
98	$data = array( 'result' => $result );
99	$where = array(
100	'id' => absint( $max_id ),
101	'user_item_id' => $user_item_id,
102	);
103	$format = array( '%s' );
104
105	if ( absint( $max_id ) > 0 ) {
106	$output = $wpdb->update( $wpdb->learnpress_user_item_results, $data, $where, $format );
107	} else {
108	$output = $this->insert( $user_item_id, $result );
109	}
110
111	return $output;
112	}
113
114	public function insert( $user_item_id = 0, $result = null ) {
115	global $wpdb;
116
117	if ( ! $user_item_id ) {
118	return false;
119	}
120
121	$insert = $wpdb->insert(
122	$wpdb->learnpress_user_item_results,
123	array(
124	'user_item_id' => $user_item_id,
125	'result' => $result,
126	),
127	array( '%d', '%s' )
128	);
129
130	if ( $insert ) {
131	return $wpdb->insert_id;
132	}
133
134	return false;
135	}
136
137	/**
138	* Delete all results by user_item_id.
139	*
140	* @param int $user_item_id .
141	*
142	* @return bool\|int
143	*/
144	public function delete( $user_item_id = 0 ) {
145	if ( ! current_user_can( ADMIN_ROLE ) ) {
146	return false;
147	}
148
149	$delete = $this->wpdb->delete(
150	$this->tb_lp_user_item_results,
151	array(
152	'user_item_id' => $user_item_id,
153	),
154	array( '%d' )
155	);
156
157	return $delete;
158	}
159
160	/**
161	* Delete all rows in user_item_ids
162	*
163	* @param LP_User_Items_Filter $filter $filter->user_item_ids
164	*
165	* @return bool\|int
166	* @since 4.1.4
167	* @author tungnx
168	* @version 1.0.0
169	*/
170	public function remove_user_item_results( LP_User_Items_Filter $filter ) {
171	// Check valid user.
172	/*if ( ! is_user_logged_in() \|\| ( ! current_user_can( 'administrator' ) && get_current_user_id() != $filter->user_id ) ) {
173	throw new Exception( __( 'User invalid!', 'learnpress' ) );
174	}*/
175
176	if ( empty( $filter->user_item_ids ) ) {
177	return 1;
178	}
179
180	$where = 'WHERE 1=1 ';
181
182	$where .= $this->wpdb->prepare(
183	'AND user_item_id IN(' . LP_Helper::db_format_array( $filter->user_item_ids, '%d' ) . ')',
184	$filter->user_item_ids
185	);
186
187	return $this->wpdb->query(
188	"DELETE FROM {$this->tb_lp_user_item_results}
189	{$where}
190	"
191	);
192	}
193
194	public static function instance() {
195	if ( is_null( self::$_instance ) ) {
196	self::$_instance = new self();
197	}
198
199	return self::$_instance;
200	}
201	}
202
203	LP_User_Items_Result_DB::instance();
204