learnpress / inc / Models / WPTables / LessonsTable.php

LessonsTable.php in LearnPress – WordPress LMS Plugin for Create and Sell Online Courses 4.4.8, at inc/Models/WPTables/LessonsTable.php

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1	<?php
2
3	namespace LearnPress\Models\WPTables;
4
5	use Exception;
6	use LearnPress\Helpers\LPDateTime;
7	use LearnPress\Helpers\Response;
8	use LearnPress\Helpers\Template;
9	use LearnPress\Models\CourseSectionItemModel;
10	use LearnPress\Models\LessonPostModel;
11	use LP_Abstract_Post_Type;
12	use Throwable;
13	use WP_Post;
14	use WP_Posts_List_Table;
15
16	defined( 'ABSPATH' ) \|\| exit;
17
18	/**
19	* Lessons Table class.
20	* Display columns for lessons on WP Backend
21	*
22	* @since 4.4.8
23	* @version 1.0.0
24	*/
25	class LessonsTable extends WP_Posts_List_Table {
26	/**
27	* Get the table columns.
28	*
29	* @return array
30	* @throws Exception
31	*/
32	public function get_columns() {
33	$columns = parent::get_columns();
34
35	$pos = array_search( 'title', array_keys( $columns ), true );
36	if ( false !== $pos ) {
37	$new_columns = array(
38	'instructor' => esc_html__( 'Author', 'learnpress' ),
39	LP_COURSE_CPT => $this->get_course_column_title(),
40	);
41
42	$new_columns['duration'] = esc_html__( 'Duration', 'learnpress' );
43	// Set key lp_preview instead of preview to not apply style float right CSS of system
44	$new_columns['lp_preview'] = esc_html__( 'Preview', 'learnpress' );
45
46	$columns = array_merge(
47	array_slice( $columns, 0, $pos + 1 ),
48	$new_columns,
49	array_slice( $columns, $pos + 1 )
50	);
51	}
52
53	unset( $columns['taxonomy-lesson-tag'] );
54	unset( $columns['comments'] );
55
56	if ( ! empty( $columns['author'] ) ) {
57	unset( $columns['author'] );
58	}
59
60	$user = wp_get_current_user();
61	if ( in_array( LP_TEACHER_ROLE, $user->roles, true ) ) {
62	unset( $columns['instructor'] );
63	}
64
65	return $columns;
66	}
67
68	/**
69	* Set columns can be sortable.
70	*
71	* @return array
72	*/
73	public function get_sortable_columns() {
74	$sortable_columns = parent::get_sortable_columns();
75	$sortable_columns['author'] = array( 'author', 'asc' );
76	$sortable_columns[ LP_COURSE_CPT ] = array( 'course-name', 'asc' );
77
78	return $sortable_columns;
79	}
80
81	/**
82	* Column instructor.
83	*
84	* @param WP_Post $post
85	*
86	* @return void
87	*/
88	public function column_instructor( $post ) {
89	try {
90	LP_Abstract_Post_Type::column_author( $post );
91	} catch ( Throwable $e ) {
92	Template::print_message( $e->getMessage(), Response::STATUS_ERROR );
93	}
94	}
95
96	/**
97	* Column course.
98	*
99	* @param WP_Post $post
100	*
101	* @return void
102	*/
103	public function column_lp_course( $post ) {
104	try {
105	$courses = CourseSectionItemModel::get_courses_from_item_id( $post->ID, LP_LESSON_CPT );
106
107	if ( $courses ) {
108	foreach ( $courses as $course ) {
109	$course_id = $course->section_course_id;
110	echo '<div><a href="' . esc_url_raw( remove_query_arg( 'orderby', add_query_arg( array( 'course' => $course_id ) ) ) ) . '">' . get_the_title( $course_id ) . '</a>';
111	echo '<div class="row-actions">';
112	printf( '<a href="%s">%s</a>', admin_url( sprintf( 'post.php?post=%d&action=edit', $course_id ) ), __( 'Edit', 'learnpress' ) );
113	echo ' \| ';
114	printf( '<a href="%s">%s</a>', get_the_permalink( $course_id ), __( 'View', 'learnpress' ) );
115
116	if ( $this->get_filter_course_id() ) {
117	echo ' \| ';
118	printf(
119	'<a href="%s">%s</a>',
120	esc_url_raw( remove_query_arg( array( 'course', 'orderby' ) ) ),
121	__( 'Remove Filter', 'learnpress' )
122	);
123	}
124	echo '</div></div>';
125	}
126	} else {
127	_e( 'Not assigned yet', 'learnpress' );
128	}
129	} catch ( Throwable $e ) {
130
131	}
132	}
133
134	/**
135	* Column preview.
136	*
137	* @param WP_Post $post
138	*
139	* @return void
140	*/
141	public function column_lp_preview( $post ) {
142	try {
143	$lessonPostModel = LessonPostModel::find( $post->ID, true );
144	if ( ! $lessonPostModel ) {
145	return;
146	}
147
148	$lesson_is_preview = 'yes' === get_post_meta( $post->ID, '_lp_preview', true );
149
150	echo $lesson_is_preview
151	? '<span class="lp-icon-eye"></span>'
152	: '<span class="lp-icon-eye-slash"></span>';
153	} catch ( Throwable $e ) {
154	Template::print_message( $e->getMessage(), Response::STATUS_ERROR );
155	}
156	}
157
158	/**
159	* Column duration.
160	*
161	* @param WP_Post $post
162	*
163	* @return void
164	*/
165	public function column_duration( $post ) {
166	try {
167	$lessonPostModel = LessonPostModel::find( $post->ID, true );
168	if ( ! $lessonPostModel ) {
169	return;
170	}
171
172	$duration_raw = $lessonPostModel->get_duration();
173	$duration_number = absint( $duration_raw );
174	if ( $duration_number === 0 ) {
175	_e( 'Unlimited', 'learnpress' );
176	} else {
177	$duration_arr = explode( ' ', $duration_raw );
178	$duration_number = floatval( $duration_arr[0] ?? 0 );
179	$duration_type = $duration_arr[1] ?? '';
180	if ( empty( $duration_number ) ) {
181	$duration_str = __( 'Lifetime', 'learnpress' );
182	} else {
183	$duration_str = LPDateTime::get_string_plural_duration( $duration_number, $duration_type );
184	}
185
186	echo $duration_str;
187	}
188	} catch ( Throwable $e ) {
189	Template::print_message( $e->getMessage(), Response::STATUS_ERROR );
190	}
191	}
192
193	/**
194	* Get the course column title.
195	*
196	* @return string
197	* @throws \Exception
198	*/
199	protected function get_course_column_title(): string {
200	$title = esc_html__( 'Course', 'learnpress' );
201	$course_id = $this->get_filter_course_id();
202
203	if ( $course_id ) {
204	$course = learn_press_get_course( $course_id );
205	if ( $course ) {
206	$count = $course->count_items( LP_LESSON_CPT );
207	$post_object = get_post_type_object( LP_LESSON_CPT );
208	$title = sprintf(
209	/* translators: 1: count 2: item label */
210	_n( 'Course (%1$d %2$s)', 'Course (%1$d %2$s)', $count, 'learnpress' ),
211	$count,
212	$count > 1 ? $post_object->label : $post_object->labels->singular_name
213	);
214	}
215	}
216
217	return $title;
218	}
219
220	/**
221	* Get the course id currently filtering by.
222	*
223	* @return int\|false
224	*/
225	protected function get_filter_course_id() {
226	$course_id = ! empty( $_REQUEST['course'] ) ? absint( $_REQUEST['course'] ) : false;
227
228	if ( ! $course_id && learn_press_is_support_course_item_type( LP_LESSON_CPT ) ) {
229	$course_id = false;
230	}
231
232	return $course_id;
233	}
234	}
235