| 1 |
<?php |
| 2 |
/** |
| 3 |
* Class LP_Lesson_DB |
| 4 |
* |
| 5 |
* @author tungnx |
| 6 |
* @since 3.2.7.8 |
| 7 |
*/ |
| 8 |
|
| 9 |
if ( ! defined( 'ABSPATH' ) ) { |
| 10 |
exit; // Exit if accessed directly |
| 11 |
} |
| 12 |
|
| 13 |
class LP_Lesson_DB extends LP_Database { |
| 14 |
private static $_instance; |
| 15 |
|
| 16 |
protected function __construct() { |
| 17 |
parent::__construct(); |
| 18 |
} |
| 19 |
|
| 20 |
public static function getInstance() { |
| 21 |
if ( is_null( self::$_instance ) ) { |
| 22 |
self::$_instance = new self(); |
| 23 |
} |
| 24 |
|
| 25 |
return self::$_instance; |
| 26 |
} |
| 27 |
|
| 28 |
/** |
| 29 |
* Get section id by lesson id |
| 30 |
* |
| 31 |
* @param int $lesson_id |
| 32 |
* |
| 33 |
* @return string|null |
| 34 |
*/ |
| 35 |
public function get_section_by_lesson_id( $lesson_id = 0 ) { |
| 36 |
$query = $this->wpdb->prepare( |
| 37 |
" |
| 38 |
SELECT section_id FROM $this->tb_lp_section_items |
| 39 |
WHERE item_type = %s |
| 40 |
AND item_id = %d", |
| 41 |
LP_LESSON_CPT, |
| 42 |
$lesson_id |
| 43 |
); |
| 44 |
|
| 45 |
$result = $this->wpdb->get_var( $query ); |
| 46 |
|
| 47 |
return $result; |
| 48 |
} |
| 49 |
|
| 50 |
/** |
| 51 |
* Get total lessons set preview |
| 52 |
* |
| 53 |
* @return string|null |
| 54 |
*/ |
| 55 |
public function get_total_preview_items() { |
| 56 |
$query = $this->wpdb->prepare( |
| 57 |
" |
| 58 |
SELECT COUNT(ID) FROM $this->tb_posts p |
| 59 |
INNER JOIN {$this->tb_postmeta} pm |
| 60 |
ON p.ID = pm.post_id |
| 61 |
AND pm.meta_key = %s |
| 62 |
WHERE pm.meta_value = %s |
| 63 |
AND p.post_type = %s", |
| 64 |
'_lp_preview', |
| 65 |
'yes', |
| 66 |
LP_LESSON_CPT |
| 67 |
); |
| 68 |
|
| 69 |
return $this->wpdb->get_var( $query ); |
| 70 |
} |
| 71 |
|
| 72 |
/** |
| 73 |
* Get total lessons no set preview |
| 74 |
* |
| 75 |
* @param int $total_preview_items |
| 76 |
* |
| 77 |
* @return string|null |
| 78 |
*/ |
| 79 |
public function get_total_no_preview_items( $total_preview_items = 0 ) { |
| 80 |
global $wpdb; |
| 81 |
$query = $wpdb->prepare( |
| 82 |
" |
| 83 |
SELECT COUNT(ID) |
| 84 |
FROM {$wpdb->posts} p |
| 85 |
WHERE p.post_type = %s |
| 86 |
AND p.post_status NOT LIKE 'auto-draft' |
| 87 |
AND p.post_status NOT LIKE 'trash' |
| 88 |
", |
| 89 |
LP_LESSON_CPT |
| 90 |
); |
| 91 |
|
| 92 |
return $wpdb->get_var( $query ) - $total_preview_items; |
| 93 |
} |
| 94 |
|
| 95 |
/** |
| 96 |
* Get preview lesson in Courses database. |
| 97 |
* |
| 98 |
* @param int $course_id |
| 99 |
* @return void |
| 100 |
* |
| 101 |
* @todo Set cache or save when save_course. |
| 102 |
*/ |
| 103 |
public function get_count_preview_in_course( $course_id ) { |
| 104 |
$query = $this->wpdb->prepare( |
| 105 |
"SELECT COUNT(ID) FROM $this->tb_posts AS p |
| 106 |
INNER JOIN {$this->tb_postmeta} AS pm ON p.ID = pm.post_id AND pm.meta_key = %s |
| 107 |
INNER JOIN {$this->tb_lp_section_items} AS section_items ON section_items.item_id = p.ID |
| 108 |
INNER JOIN {$this->tb_lp_sections} AS sections ON sections.section_course_id = %d AND sections.section_id = section_items.section_id |
| 109 |
WHERE pm.meta_value = %s |
| 110 |
AND p.post_type = %s", |
| 111 |
'_lp_preview', |
| 112 |
$course_id, |
| 113 |
'yes', |
| 114 |
LP_LESSON_CPT |
| 115 |
); |
| 116 |
|
| 117 |
return $this->wpdb->get_var( $query ); |
| 118 |
} |
| 119 |
} |
| 120 |
|
| 121 |
LP_Lesson_DB::getInstance(); |
| 122 |
|
| 123 |
|
