filter_id = $filter; $this->filter = jet_smart_filters()->filter_types->get_filter_instance( $filter, null, $args ); } else { $this->filter_id = $filter->get_filter_id(); $this->filter = $filter; } $this->depth = $depth; $this->values = $values; $this->args = $args; $this->hierarchy = $this->get_hierarchy(); $this->sort_data = array( 'orderby' => get_post_meta( $this->filter_id, '_ih_terms_orderby', true ), 'order' => get_post_meta( $this->filter_id, '_ih_terms_order', true ), 'meta_key' => '' ); if ( empty( $this->sort_data['orderby'] ) ) { $this->sort_data['orderby'] = 'name'; } if ( empty( $this->sort_data['order'] ) ) { $this->sort_data['order'] = 'ASC'; } if ( in_array( $this->sort_data['orderby'], array( 'meta_value', 'meta_value_num' ) ) ) { $this->sort_data['meta_key'] = get_post_meta( $this->filter_id, '_ih_terms_orderby_meta_value', '' ); } if ( $use_query_args ) { $this->update_values_from_query_args(); } } /** * Returns current filter hieararchy map or false */ public function get_hierarchy() { if ( $this->hierarchy ) return $this->hierarchy; $result = array(); $hierarchy = get_post_meta( $this->filter_id, '_ih_source_map', true ); if ( empty( $hierarchy ) ) { return $result; } foreach ( array_values( $hierarchy ) as $depth => $data ) { $result[] = array( 'depth' => $depth, 'tax' => $data['tax'], 'label' => $data['label'], 'placeholder' => $data['placeholder'], 'options' => false, ); } return $result; } /** * Returns hiearachy evels data starting from $this->depth */ public function get_levels() { if ( empty( $this->hierarchy ) ) { return; } $result = array(); $filter = $this->filter; $from_depth = ( false !== $this->depth ) ? $this->depth : 0; for ( $i = $from_depth; $i <= count( $this->hierarchy ); $i++ ) { $level = ! empty( $this->hierarchy[ $i ] ) ? $this->hierarchy[ $i ] : false; if ( ! $level ) { continue; } $args = $filter->get_args(); $show_label = ! empty( $args['show_label'] ) ? filter_var( $args['show_label'], FILTER_VALIDATE_BOOLEAN ) : false; $args['depth'] = $level['depth']; $args['query_var'] = $level['tax']; $args['placeholder'] = ! empty( $level['placeholder'] ) ? $level['placeholder'] : __( 'Select...', 'jet-smart-filters' ); $args['max_depth'] = count( $this->hierarchy ) - 1; $args['options'] = array(); $args['filter_label'] = $show_label && ! empty( $level['label'] ) ? $level['label'] : ''; $args['display_options'] = ! empty( $this->args['display_options'] ) ? $this->args['display_options'] : array(); if ( isset( $this->values[$i]['value'] ) ) { $args['current_value'] = $this->values[$i]['value']; } if ( false === $this->depth ) { if ( $i <= count( $this->values ) ) { $args['options'] = $this->get_level_options( $i ); } } elseif ( $i === $from_depth ) { $args['options'] = $this->get_level_options( $i ); } $result[ 'level_' . $i ] = $this->filter->get_rendered_template( $args ); } return $result; } /** * Returns terms for options */ public function get_level_options( $i = 0 ) { $result = array(); $curr_level = isset( $this->hierarchy[$i] ) ? $this->hierarchy[$i] : false; if ( ! $curr_level ) { return $result; } $parent = false; $prepared_values = array(); /** * Ensure we left only latest child of each taxonomy */ for ( $level_index = 0; $level_index < $i; $level_index++ ) { $level_val = $this->values[ $level_index ]; $prepared_values[ $level_val['tax'] ] = $level_val['value']; } /** * Сheck if subterm and define parent */ for ( $level_index = 0; $level_index < count( $this->hierarchy ); $level_index++ ) { if ( $level_index === $i ) { continue; } if ( $this->hierarchy[$level_index]['tax'] === $curr_level['tax'] ) { $parent = 0; for ( $parent_value_index = $curr_level['depth'] - 1; $parent_value_index >= 0 ; $parent_value_index--) { if ( ! isset( $this->values[$parent_value_index] ) ) { break; } if ( $this->values[$parent_value_index]['tax'] === $curr_level['tax'] ) { $parent = $this->values[$parent_value_index]['value']; break; } } break; } } if ( $parent !== false ) { $result = jet_smart_filters()->data->get_terms_for_options( $curr_level['tax'], false, array( 'parent' => $parent, 'orderby' => $this->sort_data['orderby'], 'order' => $this->sort_data['order'], 'meta_key' => $this->sort_data['meta_key'] ) ); } else { global $wpdb; $from = ''; $on = ''; $where = ''; $glue = ''; $index = 0; $ids = false; foreach ( $prepared_values as $tax => $value ) { if ( $value ) { $posts_table = $wpdb->posts; $term_relationships_table = $wpdb->term_relationships; $value = absint( $value ); $term_taxonomy = get_term( $value ); $term_taxonomy_id = ! is_wp_error($term_taxonomy) ? $term_taxonomy->term_taxonomy_id : false; if ( 0 === $index ) { $from .= "SELECT ID FROM $posts_table AS p LEFT JOIN $term_relationships_table AS t0 ON (p.ID = t0.object_id)"; $where .= " WHERE t0.term_taxonomy_id = {$term_taxonomy_id} AND p.post_status = 'publish'"; } else { $from .= " INNER JOIN $term_relationships_table AS t{$index}"; $where .= " AND t{$index}.term_taxonomy_id = {$term_taxonomy_id}"; $prev = $index - 1; $on .= "{$glue}t{$prev}.object_id = t{$index}.object_id"; $glue = ' AND '; } $index++; } } if ( ! empty( $on ) ) { $on = ' ON ( ' . $on . ' )'; } if ( $from ) { $ids = $wpdb->get_results( $from . $on . $where, OBJECT_K ); if ( empty( $ids ) ) { return $result; } } $terms_args = array(); if ( ! empty( $ids ) ) { $terms_args['object_ids'] = array_keys( $ids ); } $terms_args = array_merge( $this->sort_data, $terms_args ); $result = jet_smart_filters()->data->get_terms_for_options( $curr_level['tax'], false, $terms_args ); } return $result; } /** * Check if all previous hierarchy levels has same taxonomy. * In this case we need get only direct children of latest value */ public function is_single_tax_hierarchy() { if ( null !== $this->single_tax ) { return $this->single_tax; } $single_tax = true; $tax = null; $to_depth = ( false !== $this->depth ) ? $this->depth : count( $this->values ); for ( $i = 0; $i <= $to_depth; $i++ ) { $level = ! empty( $this->hierarchy[ $i ] ) ? $this->hierarchy[ $i ] : false; if ( ! $level ) { continue; } if ( ! $tax ) { $tax = $level['tax']; } elseif ( $tax !== $level['tax'] ) { $single_tax = false; } } if ( $single_tax ) { $this->single_tax = $tax; } else { $this->single_tax = false; } return $this->single_tax; } private function update_values_from_query_args() { $tax_args = array(); if ( is_category() || is_tag() || is_tax() ) { $current_queried = get_queried_object(); $tax_args[$current_queried->taxonomy] = $current_queried->term_taxonomy_id; } $query_args = jet_smart_filters()->query->get_query_args(); $provider_key = $this->args['content_provider'] . '/' . $this->args['query_id']; if ( ! empty( $query_args ) && isset( $query_args['jet_smart_filters'] ) && $query_args['jet_smart_filters'] === $provider_key && isset( $query_args['tax_query'] ) ) { foreach ( $query_args['tax_query'] as $tax ) { $tax_args[$tax['taxonomy']] = is_array( $tax['terms'] ) ? end( $tax['terms'] ) : $tax['terms']; } } // Get subterms hierarchical chain $subterms = array(); for ( $i = 0; $i < count( $this->hierarchy ); $i++ ) { $tax = $this->hierarchy[$i]['tax']; if ( ! isset( $tax_args[$tax] ) || isset( $subterms[$tax] ) ) { continue; } $term_id = $tax_args[$tax]; for ( $j = $i + 1; $j < count( $this->hierarchy ); $j++ ) { if ( $tax === $this->hierarchy[$j]['tax'] ) { $ids = array_reverse( get_ancestors( $term_id, $tax ) ); array_push( $ids, $term_id ); $subterms[$tax] = $ids; unset( $tax_args[$tax] ); break; } } } // Set values from query $values_from_query = array(); for ( $i = 0; $i < count( $this->hierarchy ); $i++ ) { $tax = $this->hierarchy[$i]['tax']; if ( ! empty( $subterms[$tax] ) ) { $values_from_query[$i] = array( 'tax' => $tax, 'value' => array_shift( $subterms[$tax] ) ); } else if ( ! empty( $tax_args[$tax] ) ) { $values_from_query[$i] = array( 'tax' => $tax, 'value' => $tax_args[$tax] ); } else { break; } } $this->values = array_merge( $this->values, $values_from_query ); } } }