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<?php |
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|
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namespace FilterEverything\Filter; |
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|
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trait PostMetaTrait |
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{ |
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private function findNestedIndexForQuery( $meta_query_array ) |
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{ |
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$meta_key = $meta_query_array['key']; |
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|
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if( empty( $this->new_meta_query ) ){ |
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return 0; |
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} |
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|
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foreach ( $this->new_meta_query as $i_level_1 => $maybe_meta_query ){ |
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// This subquery already exists |
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if( isset( $maybe_meta_query[0]['key'] ) && $maybe_meta_query[0]['key'] === $meta_key ){ |
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return $i_level_1; |
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} |
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} |
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|
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return count( $this->new_meta_query ); |
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} |
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|
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private function hasNestedQueries( $meta_query ) |
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{ |
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if( isset( $meta_query[0]['key'] ) ){ |
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return true; |
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} |
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|
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return false; |
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} |
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|
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private function isTheSameMetaQuery( $meta_query_1, $meta_query_2 ) |
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{ |
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$meta_query_1 = $this->normalizeMetaQueryArray( $meta_query_1 ); |
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$meta_query_2 = $this->normalizeMetaQueryArray( $meta_query_2 ); |
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|
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$diff = array_diff( $meta_query_1, $meta_query_2 ); |
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|
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if ( empty( $diff ) ){ |
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return true; |
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} |
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|
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return false; |
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} |
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|
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private function normalizeMetaQueryArray( $meta_query ) |
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{ |
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$normalized_meta_query = []; |
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|
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if( ! is_array( $meta_query ) || ! isset( $meta_query['key'] ) ){ |
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return false; |
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} |
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if( isset( $meta_query['value'] ) ){ |
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if( is_array( $meta_query['value'] ) ){ |
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sort( $meta_query['value'] ); |
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$meta_query['value'] = implode( '-', $meta_query['value'] ); |
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$normalized_meta_query['value'] = $meta_query['value']; |
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}else{ |
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$normalized_meta_query['value'] = $meta_query['value']; |
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} |
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} |
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|
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$normalized_meta_query['key'] = $meta_query['key']; |
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if( isset( $meta_query['compare'] ) ){ |
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$normalized_meta_query['compare'] = isset( $meta_query['compare'] ) ? $meta_query['compare'] : ''; |
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} |
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|
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return $normalized_meta_query; |
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} |
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|
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public function importExistingMetaQuery( $wp_query ) |
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{ |
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// Try to check if there is meta_key, meta_value and meta_compare |
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if( $wp_query->get('meta_key') ){ |
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$this->addMetaKeyToQuery( $wp_query ); |
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} |
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|
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$already_existing_meta_query = $wp_query->get('meta_query'); |
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|
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if( is_array( $already_existing_meta_query ) ){ |
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foreach( $already_existing_meta_query as $top_index => $value ){ |
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|
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if( $this->hasNestedQueries( $value ) ){ |
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foreach( $value as $n => $nested_meta_query ){ |
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$this->addMetaQueryArray( $nested_meta_query, $value['relation'], $top_index ); |
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} |
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}else{ |
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$this->addMetaQueryArray( $value ); |
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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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public function addMetaKeyToQuery( $wp_query ) |
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{ |
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$args = []; |
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|
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$args['key'] = $wp_query->get( 'meta_key' ); |
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if( $wp_query->get( 'meta_value' ) ){ |
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$args['value'] = $wp_query->get( 'meta_value' ); |
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$args['compare'] = ( $compare = $wp_query->get( 'meta_compare' ) ) ? $compare : 'IN'; |
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} |
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|
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$wp_query->set( 'meta_key', '' ); |
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$wp_query->set( 'meta_value', '' ); |
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|
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$this->addMetaQueryArray( $args ); |
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} |
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|
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public function isTermAlreadyInQuery( $queried_value, $wp_query ) |
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{ |
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// Is term in Key |
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if( $duplicate = $this->isTermInMetaKey( $queried_value, $wp_query ) ) { |
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return $duplicate; |
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} |
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// Is term in Query |
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if( $duplicate = $this->isTermInMetaQuery( $queried_value, $wp_query ) ) { |
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return $duplicate; |
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} |
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|
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return false; |
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} |
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|
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private function isTermInMetaKey( $queried_value, $wp_query ){ |
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$duplicate = []; |
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$terms = $queried_value['values']; |
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$meta_key = $wp_query->get('meta_key'); |
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$meta_value = $wp_query->get('meta_value'); |
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|
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foreach ( $terms as $term ) { |
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if( $queried_value['e_name'] === $meta_key ){ |
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if( $meta_value === $term ){ |
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$duplicate['post_meta'] = $queried_value['e_name']; |
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$duplicate['term'] = $term; |
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return $duplicate; |
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} |
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} |
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} |
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|
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return false; |
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} |
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|
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protected function addMetaQueryArray( $meta_query_array, $relation = false, $top_index = false ) |
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{ |
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if( ! isset( $meta_query_array['key'] ) ){ |
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return false; |
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} |
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|
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$existing_meta_query = $this->new_meta_query; |
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|
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foreach ($existing_meta_query as $index => $present_query) { |
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|
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if ($this->hasNestedQueries($present_query)) { |
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foreach ($present_query as $k => $nested_present_query) { |
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|
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if (!isset($nested_present_query['key'])) { |
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// relation arg |
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continue; |
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} |
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if ($this->isTheSameMetaQuery($nested_present_query, $meta_query_array)) { |
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return false; |
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} |
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} |
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} else { |
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if ($this->isTheSameMetaQuery($present_query, $meta_query_array)) { |
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return false; |
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} |
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} |
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|
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} |
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|
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if ( $relation && in_array( $relation, array( 'AND', 'OR' ) ) ) { |
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if( $top_index !== false ) { |
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$nested_index = $top_index; |
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}else{ |
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$nested_index = $this->findNestedIndexForQuery( $meta_query_array ); |
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} |
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|
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$this->new_meta_query[$nested_index][] = $meta_query_array; |
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$this->new_meta_query[$nested_index]['relation'] = $relation; |
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} else { |
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$this->new_meta_query[] = $meta_query_array; |
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} |
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|
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} |
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} |
