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<?php |
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|
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namespace LearnPress\Databases; |
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|
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use Exception; |
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use LearnPress\Filters\PostFilter; |
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use LP_Helper; |
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|
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/** |
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* Class PostDB |
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* |
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* @since 4.2.9.3 |
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* @version 1.0.1 |
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*/ |
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class PostDB extends DataBase { |
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|
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private static $_instance; |
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|
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protected function __construct() { |
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parent::__construct(); |
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} |
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|
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public static function getInstance() { |
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if ( is_null( self::$_instance ) ) { |
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self::$_instance = new self(); |
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} |
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|
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return self::$_instance; |
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} |
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|
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/** |
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* Get posts by filter |
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* |
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* @param PostFilter|\LP_Post_Type_Filter $filter |
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* |
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* @return array|null|int|string |
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* @throws Exception |
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* @since 4.2.9.3 |
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* @version 1.0.1 |
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*/ |
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public function get_posts( $filter, int &$total_rows = 0 ) { |
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$filter->fields = array_merge( $filter->all_fields, $filter->fields ); |
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|
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if ( empty( $filter->collection ) ) { |
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$filter->collection = $this->tb_posts; |
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} |
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|
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if ( empty( $filter->collection_alias ) ) { |
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$filter->collection_alias = 'p'; |
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} |
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|
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$ca = $filter->collection_alias; |
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|
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// Where |
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$filter->where[] = $this->wpdb->prepare( "AND $ca.post_type = %s", $filter->post_type ); |
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|
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// Find ID |
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if ( isset( $filter->ID ) ) { |
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$filter->where[] = $this->wpdb->prepare( "AND $ca.ID = %d", $filter->ID ); |
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} |
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|
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// Status |
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$filter->post_status = (array) $filter->post_status; |
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if ( ! empty( $filter->post_status ) ) { |
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$post_status_format = LP_Helper::db_format_array( $filter->post_status, '%s' ); |
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$filter->where[] = $this->wpdb->prepare( "AND $ca.post_status IN (" . $post_status_format . ')', $filter->post_status ); |
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} |
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|
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// Term ids |
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if ( ! empty( $filter->term_ids ) ) { |
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// Sanitize term ids |
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$filter->term_ids = array_map( 'absint', $filter->term_ids ); |
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$term_ids_format = join( ',', $filter->term_ids ); |
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$filter->join[] = "INNER JOIN $this->tb_term_relationships AS r_term_p ON $ca.ID = r_term_p.object_id"; |
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$filter->join[] = "INNER JOIN $this->tb_term_taxonomy AS tx_p ON r_term_p.term_taxonomy_id = tx_p.term_taxonomy_id"; |
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$filter->where[] = "AND r_term_p.term_taxonomy_id IN ($term_ids_format)"; |
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$filter->where[] = $this->wpdb->prepare( 'AND tx_p.taxonomy = %s', $filter->taxonomy ); |
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} |
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|
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// Post ids |
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if ( ! empty( $filter->post_ids ) ) { |
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$post_ids = array_map( 'absint', $filter->post_ids ); |
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$post_ids_format = join( ',', $post_ids ); |
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$filter->where[] = "AND $ca.ID IN ($post_ids_format)"; |
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} |
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|
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// Title |
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if ( $filter->post_title ) { |
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$filter->where[] = $this->wpdb->prepare( "AND $ca.post_title LIKE %s", '%' . $filter->post_title . '%' ); |
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} |
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|
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// Name(slug) |
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if ( $filter->post_name ) { |
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$filter->where[] = $this->wpdb->prepare( "AND $ca.post_name = %s", $filter->post_name ); |
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} |
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|
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// Author |
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if ( isset( $filter->post_author ) ) { |
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$filter->where[] = $this->wpdb->prepare( "AND $ca.post_author = %d", $filter->post_author ); |
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} |
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|
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// Authors |
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if ( ! empty( $filter->post_authors ) ) { |
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$post_authors = array_map( 'absint', $filter->post_authors ); |
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$post_authors_format = join( ',', $post_authors ); |
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$filter->where[] = "AND $ca.post_author IN ($post_authors_format)"; |
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} |
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|
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$filter = apply_filters( 'lp/post/query/filter', $filter ); |
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|
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return $this->execute( $filter, $total_rows ); |
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} |
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} |
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