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<?php |
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|
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/** |
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* Class LP_Query |
| 5 |
*/ |
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|
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defined( 'ABSPATH' ) || exit; |
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|
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class LP_Query { |
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/** |
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* @var array |
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*/ |
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public $query_vars = array(); |
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|
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/** |
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* LP_Query constructor. |
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*/ |
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public function __construct() { |
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add_action( 'init', array( $this, 'add_rewrite_tags' ), 1000, 0 ); |
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add_action( 'init', array( $this, 'add_rewrite_rules' ), 1000, 0 ); |
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//add_action( 'parse_query', array( $this, 'parse_request' ), 1000, 1 ); |
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/** |
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* Add searching post by taxonomies |
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*/ |
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add_action( 'pre_get_posts', array( $this, 'query_taxonomy' ) ); |
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} |
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|
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/** |
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* Parses request params and controls page |
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* |
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* @param WP_Query $q |
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* |
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* @return mixed |
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*/ |
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public function parse_request( $q ) { |
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if ( did_action( 'learn_press_parse_query' ) ) { |
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return $q; |
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} |
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|
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do_action_ref_array( 'learn_press_parse_query', array( &$this ) ); |
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|
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return $q; |
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} |
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|
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/** |
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* This function is cloned from wp core function |
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* |
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* @see WP()->parse_request() |
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* |
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* @return string |
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*/ |
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public function get_request() { |
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global $wp_rewrite; |
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|
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$pathinfo = isset( $_SERVER['PATH_INFO'] ) ? $_SERVER['PATH_INFO'] : ''; |
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list( $pathinfo ) = explode( '?', $pathinfo ); |
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$pathinfo = str_replace( '%', '%25', $pathinfo ); |
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|
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list( $req_uri ) = explode( '?', esc_url_raw( $_SERVER['REQUEST_URI'] ) ); |
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$self = $_SERVER['PHP_SELF']; |
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$home_path = trim( parse_url( home_url(), PHP_URL_PATH ), '/' ); |
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$home_path_regex = sprintf( '|^%s|i', preg_quote( $home_path, '|' ) ); |
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|
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$req_uri = str_replace( $pathinfo, '', $req_uri ); |
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$req_uri = trim( $req_uri, '/' ); |
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$req_uri = preg_replace( $home_path_regex, '', $req_uri ); |
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$req_uri = trim( $req_uri, '/' ); |
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$pathinfo = trim( $pathinfo, '/' ); |
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$pathinfo = preg_replace( $home_path_regex, '', $pathinfo ); |
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$pathinfo = trim( $pathinfo, '/' ); |
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$self = trim( $self, '/' ); |
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$self = preg_replace( $home_path_regex, '', $self ); |
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$self = trim( $self, '/' ); |
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|
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if ( ! empty( $pathinfo ) && ! preg_match( '|^.*' . $wp_rewrite->index . '$|', $pathinfo ) ) { |
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$request = $pathinfo; |
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} else { |
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if ( $req_uri == $wp_rewrite->index ) { |
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$req_uri = ''; |
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} |
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$request = $req_uri; |
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} |
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|
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return $request; |
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} |
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|
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/** |
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* Add custom rewrite tags |
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*/ |
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function add_rewrite_tags() { |
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add_rewrite_tag( '%course-item%', '([^&]+)' ); |
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add_rewrite_tag( '%item-type%', '([^&]+)' ); |
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// add_rewrite_tag( '%quiz%', '([^&]+)' ); |
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add_rewrite_tag( '%question%', '([^&]+)' ); |
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add_rewrite_tag( '%user%', '([^/]*)' ); |
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|
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add_rewrite_tag( '%view%', '([^/]*)' ); |
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add_rewrite_tag( '%view_id%', '(.*)' ); |
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add_rewrite_tag( '%section%', '(.*)' ); |
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|
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add_rewrite_tag( '%content-item-only%', '(.*)' ); |
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do_action( 'learn_press_add_rewrite_tags' ); |
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} |
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|
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/** |
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* Add more custom rewrite rules |
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*/ |
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function add_rewrite_rules() { |
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$course_type = LP_COURSE_CPT; |
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$post_types = get_post_types( '', 'objects' ); |
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$slug = preg_replace( '!^/!', '', $post_types[ $course_type ]->rewrite['slug'] ); |
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$has_category = false; |
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|
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if ( preg_match( '!(%?course_category%?)!', $slug ) ) { |
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$slug = preg_replace( '!(%?course_category%?)!', '(.+?)/([^/]+)', $slug ); |
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$has_category = true; |
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} |
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|
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$custom_slug_lesson = sanitize_title_with_dashes( LP_Settings::get_option( 'lesson_slug', 'lessons' ) ); |
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$custom_slug_quiz = sanitize_title_with_dashes( LP_Settings::get_option( 'quiz_slug', 'quizzes' ) ); |
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|
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/** |
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* Use urldecode to convert an encoded string to normal. |
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* This fixed the issue with custom slug of lesson/quiz in some languages |
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* Eg: урока |
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*/ |
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if ( ! empty( $custom_slug_lesson ) ) { |
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$post_types['lp_lesson']->rewrite['slug'] = urldecode( $custom_slug_lesson ); |
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} |
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|
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if ( ! empty( $custom_slug_quiz ) ) { |
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$post_types['lp_quiz']->rewrite['slug'] = urldecode( $custom_slug_quiz ); |
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} |
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|
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$rules = array(); |
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|
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if ( $has_category ) { |
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$rules[] = array( |
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'^' . $slug . '(?:/' . $post_types['lp_lesson']->rewrite['slug'] . '/([^/]+))/?$', |
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'index.php?' . $course_type . '=$matches[2]&course_category=$matches[1]&course-item=$matches[3]&item-type=lp_lesson', |
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'top', |
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); |
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|
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$rules[] = array( |
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'^' . $slug . '(?:/' . $post_types['lp_quiz']->rewrite['slug'] . '/([^/]+)/?([^/]+)?)/?$', |
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'index.php?' . $course_type . '=$matches[2]&course_category=$matches[1]&course-item=$matches[3]&question=$matches[4]&item-type=lp_quiz', |
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'top', |
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); |
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|
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} else { |
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|
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$rules[] = array( |
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'^' . $slug . '/([^/]+)(?:/' . $post_types['lp_lesson']->rewrite['slug'] . '/([^/]+))/?$', |
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'index.php?' . $course_type . '=$matches[1]&course-item=$matches[2]&item-type=lp_lesson', |
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'top', |
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); |
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$rules[] = array( |
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'^' . $slug . '/([^/]+)(?:/' . $post_types['lp_quiz']->rewrite['slug'] . '/([^/]+)/?([^/]+)?)/?$', |
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'index.php?' . $course_type . '=$matches[1]&course-item=$matches[2]&question=$matches[3]&item-type=lp_quiz', |
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'top', |
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); |
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} |
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|
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// Profile |
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$profile_id = learn_press_get_page_id( 'profile' ); |
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if ( $profile_id ) { |
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$rules[] = array( |
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'^' . get_post_field( 'post_name', $profile_id ) . '/([^/]*)/?$', |
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'index.php?page_id=' . $profile_id . '&user=$matches[1]', |
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'top', |
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); |
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|
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$profile = learn_press_get_profile(); |
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$tabs = $profile->get_tabs()->get(); |
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|
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if ( $tabs ) { |
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foreach ( $tabs as $slug => $args ) { |
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$tab_slug = $args['slug'] ?? $slug; |
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$rules[] = array( |
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'^' . get_post_field( 'post_name', $profile_id ) . '/([^/]*)/?(' . $tab_slug . ')/?([0-9]*)/?$', |
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'index.php?page_id=' . $profile_id . '&user=$matches[1]&view=$matches[2]&view_id=$matches[3]', |
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'top', |
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); |
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|
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if ( ! empty( $args['sections'] ) ) { |
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foreach ( $args['sections'] as $section_slug => $section ) { |
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$section_slug = $section['slug'] ?? $section_slug; |
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$rules[] = array( |
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'^' . get_post_field( 'post_name', $profile_id ) . '/([^/]*)/?(' . $tab_slug . ')/(' . $section_slug . ')/?([0-9]*)?$', |
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'index.php?page_id=' . $profile_id . '&user=$matches[1]&view=$matches[2]§ion=$matches[3]&view_id=$matches[4]', |
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'top', |
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); |
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} |
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} |
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} |
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} |
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} |
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|
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// Archive course |
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/*$course_page_id = learn_press_get_page_id( 'courses' ); |
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if ( $course_page_id ) { |
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$rules[] = array( |
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'^' . get_post_field( 'post_name', $course_page_id ) . '/page/([0-9]{1,})/?$', |
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'index.php?pagename=' . get_post_field( 'post_name', $course_page_id ) . '&page=$matches[1]', |
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'top', |
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); |
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}*/ |
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|
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global $wp_rewrite; |
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|
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/** |
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* Polylang compatibility |
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*/ |
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if ( function_exists( 'PLL' ) ) { |
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$pll = PLL(); |
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$pll_languages = $pll->model->get_languages_list( array( 'fields' => 'slug' ) ); |
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|
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if ( $pll->options['hide_default'] ) { |
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if ( isset( $pll->options['default_lang'] ) ) { |
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$pll_languages = array_diff( $pll_languages, array( $pll->options['default_lang'] ) ); |
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} |
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} |
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|
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if ( ! empty( $pll_languages ) ) { |
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$pll_languages = $wp_rewrite->root . ( $pll->options['rewrite'] ? '' : 'language/' ) . '(' . implode( '|', $pll_languages ) . ')/'; |
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} else { |
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$pll_languages = ''; |
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} |
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} |
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$new_rules = array(); |
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foreach ( $rules as $k => $rule ) { |
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$new_rules[] = $rule; |
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call_user_func_array( 'add_rewrite_rule', $rule ); |
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|
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/** |
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* Modify rewrite rule |
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*/ |
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if ( isset( $pll_languages ) ) { |
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|
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$rule[0] = $pll_languages . str_replace( $wp_rewrite->root, '', ltrim( $rule[0], '^' ) ); |
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$rule[1] = str_replace( |
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array( '[8]', '[7]', '[6]', '[5]', '[4]', '[3]', '[2]', '[1]', '?' ), |
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array( '[9]', '[8]', '[7]', '[6]', '[5]', '[4]', '[3]', '[2]', '?lang=$matches[1]&' ), |
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$rule[1] |
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); |
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$new_rules[] = $rule; |
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call_user_func_array( 'add_rewrite_rule', $rule ); |
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} |
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} |
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|
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$new_rules = md5( serialize( $new_rules ) ); |
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$old_rules = get_transient( 'lp_rewrite_rules_hash' ); |
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|
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if ( $old_rules !== $new_rules ) { |
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set_transient( 'lp_rewrite_rules_hash', $new_rules, DAY_IN_SECONDS ); |
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flush_rewrite_rules(); |
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} |
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|
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do_action( 'learn_press_add_rewrite_rules' ); |
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|
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} |
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|
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|
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/** |
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* Get current course user accessing |
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* |
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* @param string $return |
| 268 |
* |
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* @return bool|false|int|LP_Course|mixed |
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*/ |
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public function get_course( $return = 'id' ) { |
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$course = false; |
| 273 |
if ( learn_press_is_course() ) { |
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$course = get_the_ID(); |
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} |
| 276 |
if ( $course && $return == 'object' ) { |
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$course = learn_press_get_course( $course ); |
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} |
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|
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return $course; |
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} |
| 282 |
|
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public function get_course_item( $return = 'id' ) { |
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$course = $this->get_course( 'object' ); |
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$user = learn_press_get_current_user(); |
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$item = isset( $item ) ? $item : LearnPress::instance()->global['course-item']; |
| 287 |
if ( $item && $return == 'object' ) { |
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$item = LP_Course::get_item( $item ); |
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} |
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|
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return $item; |
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} |
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|
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/** |
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* @param WP_Query $q |
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*/ |
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public function query_taxonomy( $q ) { |
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|
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// We only want to affect the main query |
| 300 |
if ( ! $q->is_main_query() ) { |
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return; |
| 302 |
} |
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|
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if ( is_search() ) { |
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add_filter( 'posts_where', array( $this, 'add_tax_search' ) ); |
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add_filter( 'posts_join', array( $this, 'join_term' ) ); |
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add_filter( 'posts_groupby', array( $this, 'tax_groupby' ) ); |
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} |
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} |
| 310 |
|
| 311 |
/** |
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* @param string $join |
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* |
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* @return string |
| 315 |
*/ |
| 316 |
public function join_term( $join ) { |
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global $wp_query, $wpdb; |
| 318 |
|
| 319 |
if ( ! empty( $wp_query->query_vars['s'] ) && ! is_admin() ) { |
| 320 |
if ( ! preg_match( '/' . $wpdb->term_relationships . '/', $join ) ) { |
| 321 |
$join .= "LEFT JOIN $wpdb->term_relationships ON $wpdb->posts.ID = $wpdb->term_relationships.object_id "; |
| 322 |
} |
| 323 |
$join .= "LEFT JOIN $wpdb->term_taxonomy ON $wpdb->term_relationships.term_taxonomy_id = $wpdb->term_taxonomy.term_taxonomy_id "; |
| 324 |
$join .= "LEFT JOIN $wpdb->terms ON $wpdb->term_taxonomy.term_id = $wpdb->terms.term_id "; |
| 325 |
} |
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|
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return $join; |
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} |
| 329 |
|
| 330 |
/** |
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* @param string $where |
| 332 |
* |
| 333 |
* @return string |
| 334 |
*/ |
| 335 |
public function add_tax_search( $where ) { |
| 336 |
global $wp_query, $wpdb; |
| 337 |
|
| 338 |
if ( ! empty( $wp_query->query_vars['s'] ) && ! is_admin() ) { |
| 339 |
$escaped_s = esc_sql( $wp_query->query_vars['s'] ); |
| 340 |
$where .= "OR $wpdb->terms.name LIKE '%{$escaped_s}%'"; |
| 341 |
} |
| 342 |
|
| 343 |
return $where; |
| 344 |
} |
| 345 |
|
| 346 |
/** |
| 347 |
* @param string $groupby |
| 348 |
* |
| 349 |
* @return string |
| 350 |
*/ |
| 351 |
public function tax_groupby( $groupby ) { |
| 352 |
global $wpdb; |
| 353 |
$groupby = "{$wpdb->posts}.ID"; |
| 354 |
|
| 355 |
$this->remove_query_tax(); |
| 356 |
|
| 357 |
return $groupby; |
| 358 |
} |
| 359 |
|
| 360 |
/** |
| 361 |
* Remove filter query |
| 362 |
*/ |
| 363 |
public function remove_query_tax() { |
| 364 |
remove_filter( 'posts_where', 'learn_press_add_tax_search' ); |
| 365 |
remove_filter( 'posts_join', 'learn_press_join_term' ); |
| 366 |
remove_filter( 'posts_groupby', 'learn_press_tax_groupby' ); |
| 367 |
} |
| 368 |
} |
| 369 |
|
