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<?php |
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|
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; // Exit if accessed directly. |
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} |
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|
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class FEP_Cache { |
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|
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private static $instance; |
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|
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private $queue = array(); |
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|
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public static function init() { |
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if ( ! self::$instance instanceof self ) { |
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self::$instance = new self; |
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} |
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return self::$instance; |
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} |
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|
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private function __construct() { |
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} |
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|
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public function add_to_queue( $ids, $type ){ |
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$ids = (array) $ids; |
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$type = (string) $type; |
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|
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if( ! $ids || ! is_array( $ids ) || ! $type ){ |
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return false; |
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} |
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if( ! isset( $this->queue[ $type ] ) || ! is_array( $this->queue[ $type ] ) ){ |
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$this->queue[ $type ] = array(); |
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} |
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$this->queue[ $type ] = array_merge( $this->queue[ $type ], $ids ); |
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} |
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|
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public function update_cache( $provided_ids, $type ){ |
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$type = (string) $type; |
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|
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if( ! is_array( $provided_ids ) || ! $type ){ |
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return array(); |
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} |
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if( ! isset( $this->queue[ $type ] ) || ! is_array( $this->queue[ $type ] ) ){ |
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$this->queue[ $type ] = array(); |
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} |
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$ids = array_merge( $this->queue[ $type ], $provided_ids ); |
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$this->queue[ $type ] = array(); |
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|
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$ids = array_unique( array_filter( array_map( 'absint', $ids ) ) ); |
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if( ! $ids ){ |
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return array(); |
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} |
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|
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$callback = apply_filters( 'fep_update_cache_callback', array( $this, "update_cache_{$type}" ), $type ); |
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|
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return $callback( $ids, $provided_ids ); |
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} |
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|
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function update_cache_messages( $message_ids, $provided_ids ){ |
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global $wpdb; |
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|
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$need_query = array(); |
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$return = array(); |
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|
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foreach( $message_ids as $message_id ){ |
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$cached = wp_cache_get( $message_id, 'fep-message' ); |
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if( false === $cached ){ |
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$need_query[] = $message_id; |
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} elseif( in_array( $message_id, $provided_ids ) ) { |
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$return[ $message_id ] = new FEP_Message( $cached ); |
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} |
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} |
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|
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if( $need_query ){ |
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$messages = $wpdb->get_results( 'SELECT * FROM ' . FEP_MESSAGE_TABLE . ' WHERE mgs_id IN (' . implode( ', ', $need_query ) . ')' ); |
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|
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foreach ( $messages as $key => $message ) { |
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$message_id = (int) $message->mgs_id; |
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wp_cache_add( $message_id, $message, 'fep-message' ); |
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if( in_array( $message_id, $provided_ids ) ) { |
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$return[ $message_id ] = new FEP_Message( $message ); |
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} |
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} |
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} |
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return $return; |
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} |
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|
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function update_cache_meta( $message_ids, $provided_ids ){ |
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return update_meta_cache( 'fep_message', $message_ids ); |
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} |
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|
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function update_cache_user( $user_ids, $provided_ids ){ |
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cache_users( $user_ids ); |
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} |
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|
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function update_cache_participants( $message_ids, $provided_ids ){ |
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global $wpdb; |
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|
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$need_query = array(); |
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$return = array(); |
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|
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foreach( $message_ids as $message_id ){ |
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$cached = wp_cache_get( $message_id, 'fep_participants' ); |
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if( false === $cached ){ |
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$need_query[] = $message_id; |
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} elseif( in_array( $message_id, $provided_ids ) ) { |
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$return[ $message_id ] = $cached; |
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} |
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} |
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|
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if( $need_query ){ |
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$participants = array(); |
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|
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$results = $wpdb->get_results( 'SELECT * FROM ' . FEP_PARTICIPANT_TABLE . ' WHERE mgs_id IN (' . implode( ', ', $need_query ) . ')' ); |
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|
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foreach ( $results as $key => $result ) { |
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$participants[ (int) $result->mgs_id ][] = $result; |
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} |
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foreach( $need_query as $id ){ |
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if( ! isset( $participants[ $id ] ) ){ |
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$participants[ $id ] = array(); |
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} |
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} |
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|
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foreach( $participants as $mgs_id => $participant ){ |
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wp_cache_add( $mgs_id, $participant, 'fep_participants' ); |
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|
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if( in_array( $mgs_id, $provided_ids ) ){ |
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$return[ $mgs_id ] = $participant; |
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} |
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} |
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} |
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return $return; |
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} |
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|
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function update_cache_attachments( $message_ids, $provided_ids ){ |
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global $wpdb; |
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|
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$need_query = array(); |
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$return = array(); |
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|
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foreach( $message_ids as $message_id ){ |
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$cached = wp_cache_get( $message_id, 'fep_attachments' ); |
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if( false === $cached ){ |
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$need_query[] = $message_id; |
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} elseif( in_array( $message_id, $provided_ids ) ) { |
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$return[ $message_id ] = $cached; |
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} |
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} |
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|
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if( $need_query ){ |
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$attachments = array(); |
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|
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$results = $wpdb->get_results( 'SELECT * FROM ' . FEP_ATTACHMENT_TABLE . ' WHERE mgs_id IN (' . implode( ', ', $need_query ) . ')' ); |
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|
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foreach ( $results as $key => $result ) { |
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$attachments[ (int) $result->mgs_id ][] = $result; |
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} |
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foreach( $need_query as $id ){ |
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if( ! isset( $attachments[ $id ] ) ){ |
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$attachments[ $id ] = array(); |
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} |
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} |
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|
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foreach( $attachments as $mgs_id => $attachment ){ |
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wp_cache_add( $mgs_id, $attachment, 'fep_attachments' ); |
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|
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if( in_array( $mgs_id, $provided_ids ) ){ |
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$return[ $mgs_id ] = $attachment; |
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} |
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} |
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} |
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return $return; |
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} |
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|
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} //END Class |
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