103 lines
2.6 KiB
PHP
103 lines
2.6 KiB
PHP
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<?php
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/**
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* Class for Background processing of Nextcellent images.
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*
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* @link https://ewww.io
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* @package EWWW_Image_Optimizer
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*/
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namespace EWWW;
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if ( ! defined( 'ABSPATH' ) ) {
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exit;
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}
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/**
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* Processes Nextcellent uploads in background/async mode.
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*
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* @see EWWW\Background_Process
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*/
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class Background_Process_Ngg extends Background_Process {
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/**
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* The action name used to trigger this class extension.
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*
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* @access protected
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* @var string $action
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*/
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protected $action = 'ewwwio_ngg_optimize';
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/**
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* The queue name for this class extension.
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*
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* @access protected
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* @var string $action
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*/
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protected $active_queue = 'nextc-async';
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/**
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* Runs task for an item from the Nextcellent queue.
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*
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* Makes sure an image upload has finished processing and has been stored in the database.
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* Then runs the usual nextcellent optimization routine on the specified item.
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*
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* @access protected
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* @global bool $ewwwngg
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*
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* @param array $item The id of the upload, and how many attempts have been made so far.
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* @return bool|array If the item is not complete, return it. False indicates completion.
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*/
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protected function task( $item ) {
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session_write_close();
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if ( empty( $item['attempts'] ) ) {
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$item['attempts'] = 0;
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}
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$id = $item['id'];
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ewwwio_debug_message( "background processing nextcellent: $id" );
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if ( ! class_exists( 'nggMeta' ) ) {
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if ( defined( 'NGGALLERY_ABSPATH' ) && ewwwio_is_file( NGGALLERY_ABSPATH . 'lib/meta.php' ) ) {
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require_once NGGALLERY_ABSPATH . '/lib/meta.php';
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} else {
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return false;
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}
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}
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// Retrieve the metadata for the image.
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$meta = new nggMeta( $id );
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if ( empty( $meta ) ) {
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++$item['attempts'];
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sleep( 4 );
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ewwwio_debug_message( "could not retrieve meta, requeueing {$item['attempts']}" );
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return $item;
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}
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global $ewwwngg;
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$ewwwngg->ewww_added_new_image( $id, $meta );
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return false;
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}
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/**
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* Runs failure routine for an item from the queue.
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*
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* @access protected
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*
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* @param array $item The id of the attachment, how many attempts have been made to process
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* the item and whether it is a new upload.
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*/
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protected function failure( $item ) {
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if ( empty( $item['id'] ) ) {
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return;
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}
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if ( ! class_exists( 'nggMeta' ) ) {
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if ( defined( 'NGGALLERY_ABSPATH' ) && ewwwio_is_file( NGGALLERY_ABSPATH . 'lib/meta.php' ) ) {
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require_once NGGALLERY_ABSPATH . '/lib/meta.php';
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} else {
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return;
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}
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}
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// Retrieve the metadata for the image.
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$meta = new nggMeta( $item['id'] );
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if ( ! empty( $meta ) && isset( $meta->image->imagePath ) ) {
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ewww_image_optimizer_add_file_exclusion( $meta->image->imagePath );
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}
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}
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}
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