learnpress / inc / external-plugin / polylang / class-lp-polylang.php

class-lp-polylang.php in LearnPress – WordPress LMS Plugin for Create and Sell Online Courses 4.1.7.2, at inc/external-plugin/polylang/class-lp-polylang.php

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1	<?php
2
3	/**
4	* @class LP_Polylang
5	*
6	* @since 4.1.5
7	* @version 1.0.0
8	* @author tungnx
9	*/
10
11	if ( ! defined( 'ABSPATH' ) ) {
12	exit; // Exit if accessed directly
13	}
14
15	class LP_Polylang {
16	protected static $instance;
17
18	protected function __construct() {
19	$this->hooks();
20	}
21
22	public function hooks() {
23	add_filter( 'learn-press/general-settings-fields', [ $this, 'general_settings_fields' ], 10, 2 );
24	add_filter( 'learn_press_get_page_id', [ $this, 'get_page_id' ], 10, 2 );
25	add_filter( 'lp/template/archive-course/skeleton/args', [ $this, 'wpml_arg_query_course' ] );
26	add_filter( 'lp/profile/args/user_courses_attend', [ $this, 'wpml_arg_query_course' ] );
27	add_filter( 'lp/profile/args/user_courses_created', [ $this, 'wpml_arg_query_course' ] );
28	add_filter( 'lp/profile/args/user_courses_statistic', [ $this, 'wpml_arg_query_course' ] );
29	add_filter( 'learnpress/rest/frontend/profile/course_tab/query', [ $this, 'args_query_user_courses' ], 10, 2 );
30	add_filter( 'lp/course/query/filter', [ $this, 'filter_query_courses' ], 10 );
31	add_filter( 'lp/user/course/query/filter', [ $this, 'filter_query_user_courses' ], 10 );
32	add_filter( 'pll_the_language_link', [ $this, 'get_link_switcher' ], 10, 3 );
33	}
34
35	/**
36	* Get page_id config on LP Settings
37	*
38	* @param int $page_id
39	* @param string $name
40	*
41	* @return int
42	*/
43	public function get_page_id( int $page_id = 0, string $name = '' ): int {
44	if ( ! is_callable( 'pll_default_language' ) ) {
45	return $page_id;
46	}
47
48	$lang_default = pll_default_language();
49	$lang_current = pll_current_language();
50
51	if ( $lang_current != $lang_default ) {
52	$page_id = absint( LP_Settings::get_option( "{$name}_page_id_{$lang_current}" ) );
53	}
54
55	return $page_id;
56	}
57
58	/**
59	* @param array $args
60	*
61	* @return array
62	*/
63	public function wpml_arg_query_course( array $args ): array {
64	if ( ! function_exists( 'pll_current_language' ) ) {
65	return $args;
66	}
67
68	$args['pll-current-lang'] = pll_current_language();
69
70	return $args;
71	}
72
73	/**
74	* Query get course by current language
75	*
76	* @param LP_Course_Filter $filter
77	*
78	* @return LP_Course_Filter
79	*/
80	public function filter_query_courses( LP_Course_Filter $filter ): LP_Course_Filter {
81	$pll_current_lang = LP_Helper::sanitize_params_submitted( $_REQUEST['pll-current-lang'] ?? '' );
82
83	if ( empty( $pll_current_lang ) ) {
84	return $filter;
85	}
86
87	$lp_db = LP_Database::getInstance();
88
89	$filter->join[] = "INNER JOIN $lp_db->tb_term_relationships AS r_term ON p.ID = r_term.object_id";
90	$filter->join[] = "INNER JOIN $lp_db->tb_terms AS term ON r_term.term_taxonomy_id = term.term_id";
91	$filter->where[] = $lp_db->wpdb->prepare( 'AND term.slug = %s', $pll_current_lang );
92
93	return $filter;
94	}
95
96	/**
97	* Profile filter query get user course by current language
98	*
99	* @param LP_User_Items_Filter $filter
100	*
101	* @return LP_User_Items_Filter
102	*/
103	public function filter_query_user_courses( LP_User_Items_Filter $filter ): LP_User_Items_Filter {
104	$pll_current_lang = LP_Helper::sanitize_params_submitted( $_REQUEST['pll-current-lang'] ?? '' );
105
106	if ( empty( $pll_current_lang ) ) {
107	return $filter;
108	}
109
110	$lp_db = LP_Database::getInstance();
111
112	$filter->join[] = "INNER JOIN $lp_db->tb_term_relationships AS r_term ON ui.item_id = r_term.object_id";
113	$filter->join[] = "INNER JOIN $lp_db->tb_terms AS term ON r_term.term_taxonomy_id = term.term_id";
114	$filter->where[] = $lp_db->wpdb->prepare( 'AND term.slug = %s', $pll_current_lang );
115
116	return $filter;
117	}
118
119	/**
120	* Profile filter query get course by current language
121	*
122	* @param LP_Course_Filter $filter
123	* @param array $args
124	*
125	* @return LP_Course_Filter
126	*/
127	/*public function profile_filter_query_courses( LP_Course_Filter $filter, array $args ): LP_Course_Filter {
128	$pll_current_lang = $args['pll-current-lang'] ?? '';
129
130	if ( empty( $pll_current_lang ) ) {
131	return $filter;
132	}
133
134	$lp_db = LP_Database::getInstance();
135
136	$filter->join[] = "INNER JOIN $lp_db->tb_term_relationships AS r_term ON p.ID = r_term.object_id";
137	$filter->join[] = "INNER JOIN $lp_db->tb_terms AS term ON r_term.term_taxonomy_id = term.term_id";
138	$filter->where[] = $lp_db->wpdb->prepare( 'AND term.slug = %s', $pll_current_lang );
139
140	return $filter;
141	}*/
142
143	/**
144	* Args get course by current language
145	*
146	* @param array $args
147	* @param WP_REST_Request $request
148	*
149	* @return array
150	*/
151	public function args_query_user_courses( array $args, WP_REST_Request $request ): array {
152	$pll_current_lang = LP_Helper::sanitize_params_submitted( $request['pll-current-lang'] ?? '' );
153
154	if ( empty( $pll_current_lang ) ) {
155	return $args;
156	}
157
158	$args['pll-current-lang'] = $pll_current_lang;
159
160	return $args;
161	}
162
163	/**
164	* Create new fields of languages not default
165	*/
166	public function general_settings_fields( array $fields ): array {
167	$default_lang = pll_default_language();
168	$current_lang = pll_current_language();
169
170	$field_arr = [ 'courses_page_id', 'profile_page_id', 'checkout_page_id', 'become_a_teacher_page_id', 'term_conditions_page_id' ];
171	$field_arr = apply_filters( 'lp_pll/settings/name-fields', $field_arr );
172
173	if ( $default_lang != $current_lang ) {
174	// Set name field with lang
175	foreach ( $fields as $k => $field ) {
176	if ( isset( $field['id'] ) && in_array( $field['id'], $field_arr ) ) {
177	$fields[ $k ]['id'] = $field['id'] . '_' . $current_lang;
178	}
179	}
180	}
181
182	return $fields;
183	}
184
185	public function get_link_switcher( $url, $slug, $locale ) {
186	$slug_lang = '';
187
188	if ( $slug !== pll_default_language() ) {
189	$slug_lang = '_' . $slug;
190	}
191
192	$arr_page = array( LP_PAGE_COURSES, LP_PAGE_PROFILE );
193
194	if ( in_array( LP_Page_Controller::page_current(), $arr_page ) ) {
195	$name_page = str_replace( 'lp_page_', '', LP_Page_Controller::page_current() );
196	$url = get_permalink( LP_Settings::get_option( $name_page . '_page_id' . $slug_lang ) );
197	}
198
199	return $url;
200	}
201
202	/**
203	* @return LP_Polylang
204	*/
205	public static function instance(): LP_Polylang {
206	if ( is_null( self::$instance ) ) {
207	self::$instance = new self();
208	}
209
210	return self::$instance;
211	}
212	}
213