learnpress / inc / course / class-lp-course-section.php

class-lp-course-section.php in LearnPress – WordPress LMS Plugin for Create and Sell Online Courses 4.1.7.1, at inc/course/class-lp-course-section.php

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1	<?php
2
3	/**
4	* Class LP_Course_Section
5	*
6	* @since 3.0.0
7	*/
8	class LP_Course_Section extends LP_Abstract_Object_Data {
9	/**
10	* Store section data
11	*
12	* @var null
13	*/
14	protected $data = null;
15	/**
16	* @var int
17	*/
18	protected $course_id = 0;
19	/**
20	* @var int
21	*/
22	protected $course = 0;
23
24	/**
25	* @var LP_Section_CURD
26	*/
27	protected $_curd = null;
28
29	/**
30	* @var array
31	*/
32	protected $items = array();
33
34	/**
35	* LP_Course_Section constructor.
36	*
37	* @param $data
38	*/
39	public function __construct( $data ) {
40	$data = wp_parse_args(
41	$data,
42	array(
43	'section_id' => 0,
44	'section_name' => '0',
45	'section_course_id' => 0,
46	'section_order' => 1,
47	'section_description' => '',
48	'position' => 0,
49	'items' => array(),
50	)
51	);
52
53	// Set data
54	foreach ( $data as $k => $v ) {
55	$k = str_replace( 'section_', '', $k );
56
57	if ( $k === 'course_id' ) {
58	$this->course_id = absint( $v );
59	continue;
60	}
61	$this->_data[ $k ] = $v;
62	}
63
64	$this->course = learn_press_get_course( $this->course_id );
65
66	if ( ! $this->course ) {
67	return;
68	}
69
70	$this->_curd = new LP_Section_CURD( 0 );
71	$this->set_id( $this->_data['id'] );
72	// Load section items
73	$this->load_items();
74	}
75
76	/**
77	* Load items from course curriculum to it section
78	*/
79	protected function load_items() {
80	if ( ! $this->get_id() ) {
81	return false;
82	}
83
84	$course = $this->course;
85	$section_id = $this->get_id();
86
87	// All items
88	$items = $course->get_item_ids( $section_id );
89
90	foreach ( $items as $item_id ) {
91	$item_class = $course->get_item( $item_id );
92
93	if ( $item_class instanceof LP_Course_Item ) {
94	$item_class->set_section( $this );
95	$this->items[ $item_id ] = $item_class;
96	}
97	}
98	}
99
100	/**
101	* Get item class from item data
102	*
103	* @param array $item
104	*
105	* @return bool\|LP_Course_Item
106	* @depecated 4.1.6.9
107	*/
108	/*protected function get_item( $item ) {
109	if ( ! is_numeric( $item ) ) {
110	$item_id = $item->item_id;
111	} else {
112	$item_id = absint( $item );
113	}
114
115	return LP_Course_Item::get_item( $item_id );
116	}*/
117
118	/**
119	* Get data to array.
120	*
121	* @return array
122	* @since 3.0.0
123	*/
124	public function to_array() {
125	$data = array(
126	'id' => $this->get_id(),
127	'title' => $this->get_title(),
128	'course_id' => $this->get_course_id(),
129	'description' => $this->get_description(),
130	'items' => $this->get_items_array(),
131	'order' => $this->get_order(),
132	);
133
134	return $data;
135	}
136
137	/**
138	* Return section id
139	*
140	* @return int
141	*/
142	public function get_id() {
143	return (int) $this->_data['id'];
144	}
145
146	/**
147	* Return section title
148	*
149	* @return mixed
150	*/
151	public function get_title() {
152	return apply_filters( 'learn-press/section-title', $this->_data['name'], $this );
153	}
154
155	/**
156	* Return section course id
157	*
158	* @return mixed
159	*/
160	public function get_course_id() {
161	return $this->course_id;
162	}
163
164	/**
165	* Return section order
166	*
167	* @return mixed
168	*/
169	public function get_order() {
170	return $this->_data['order'];
171	}
172
173	/**
174	* Return section description
175	*
176	* @return mixed
177	*/
178	public function get_description() {
179	return apply_filters( 'learn-press/section-description', $this->_data['description'], $this );
180	}
181
182	/**
183	* Get items in this section.
184	*
185	* @param string\|array $type
186	* @param bool $preview
187	*
188	* @return array
189	*/
190	public function get_items( $type = '', $preview = true ) {
191	/**
192	* @var LP_Course_Item[] $items
193	*/
194	$items = apply_filters( 'learn-press/section-items', $this->items, $this );
195
196	if ( ! $items ) {
197	return $items;
198	}
199
200	if ( $type \|\| ! $preview ) {
201	$filtered_items = array();
202
203	if ( $type ) {
204	settype( $type, 'array' );
205	}
206
207	foreach ( $items as $item ) {
208	if ( ! $preview ) {
209	if ( $item->is_preview() ) {
210
211	continue;
212	}
213	}
214	if ( ! $type \|\| $type && in_array( learn_press_get_post_type( $item->get_id() ), $type ) ) {
215	$filtered_items[] = $item;
216	}
217	}
218
219	$items = $filtered_items;
220	}
221
222	return $items;
223	}
224
225	/**
226	* Get items in this section to array.
227	*
228	* @return array
229	* @since 3.0.0
230	*/
231	public function get_items_array() {
232	$items = $this->get_items();
233
234	$data = array();
235	foreach ( $items as $item ) {
236	$data[] = $item->to_array();
237	}
238
239	return $data;
240	}
241
242	/**
243	* Get completed items of a specific user.
244	* If user does not pass into then get from current user.
245	*
246	* @param int $user_id
247	*
248	* @return mixed
249	*/
250	public function get_completed_items( $user_id = 0 ) {
251	$items = array();
252
253	return $items;
254	}
255
256	/**
257	* Count number of items in section.
258	*
259	* @param string $type
260	* @param bool $preview
261	*
262	* @return int
263	*/
264	public function count_items( $type = '', $preview = true ) {
265	$items = $this->get_items( $type, $preview );
266
267	return is_array( $items ) ? sizeof( $items ) : 0;
268	}
269
270	/**
271	* Check if a section contains an item.
272	*
273	* @param $item_id
274	*
275	* @return bool
276	*/
277	public function has_item( $item_id ) {
278	$found = false;
279	$items = $this->get_items();
280
281	if ( $items ) {
282	$found = ! empty( $items[ $item_id ] );
283	}
284
285	return apply_filters(
286	'learn-press/section-has-item',
287	$found,
288	$item_id,
289	$this->get_id(),
290	$this->get_course_id()
291	);
292	}
293
294	public function get_slug() {
295	return $this->get_title() ? sanitize_title( $this->get_title() ) . '-' . $this->get_id() : $this->get_id();
296	}
297
298	/**
299	* Set class section
300	*/
301	public function main_class() {
302	$class = array( 'section' );
303
304	if ( ! $this->count_items() ) {
305	$class[] = 'section-empty';
306	}
307
308	$closed = learn_press_cookie_get( 'closed-section-' . $this->get_course_id() );
309
310	if ( $closed && in_array( $this->get_id(), $closed ) ) {
311	$class[] = 'closed';
312	}
313
314	$output = 'class="' . esc_attr( implode( ' ', $class ) ) . '"';
315	echo ' ' . $output;
316	}
317
318	public function set_position( $position ) {
319	$this->_data['position'] = $position;
320	}
321
322	public function get_position() {
323	return ! empty( $this->_data['position'] ) ? absint( $this->_data['position'] ) : 0;
324	}
325	}
326