99 lines
2.5 KiB
PHP
99 lines
2.5 KiB
PHP
<?php
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/**
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* Class for Background processing of NextGEN Gallery 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 NextGEN uploads in background/async mode.
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*
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* Uses a dual-queue system to track uploads to be optimized, handling them one at a time.
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*
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* @see EWWW\Background_Process
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*/
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class Background_Process_Ngg2 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_ngg2_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 = 'nextg-async';
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/**
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* Runs task for an item from the NextGEN 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 nextgen 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 nextgen2: $id" );
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if ( ! defined( 'NGG_PLUGIN_VERSION' ) ) {
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return false;
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}
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global $ewwwngg;
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// Get a NextGEN image object.
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$image = $ewwwngg->get_ngg_image( $id );
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if ( ! is_object( $image ) ) {
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++$item['attempts'];
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sleep( 4 );
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ewwwio_debug_message( "could not retrieve image, requeueing {$item['attempts']}" );
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return $item;
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}
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$ewwwngg->ewww_added_new_image( $image );
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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 ( ! defined( 'NGG_PLUGIN_VERSION' ) ) {
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return false;
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}
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// Get a NextGEN image object.
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global $ewwwngg;
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$image = $ewwwngg->get_ngg_image( $item['id'] );
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$file_path = $ewwwngg->get_image_abspath( $image, 'full' );
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if ( ! empty( $file_path ) ) {
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ewww_image_optimizer_add_file_exclusion( $file_path );
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}
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}
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}
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