98 lines
2.5 KiB
PHP
98 lines
2.5 KiB
PHP
<?php
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/**
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* Background Process for Image Processing Queue
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*
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* @package Image-Processing-Queue
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*/
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if ( ! class_exists( 'IPQ_Process' ) ) {
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/**
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* Custom exception class for IPQ background processing
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*/
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class IPQ_Process_Exception extends Exception {}
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/**
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* Extends the background processing library and implements image processing routines
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*/
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class IPQ_Process extends WP_Background_Process {
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/**
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* Action
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*
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* @var string
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*/
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protected $action = 'image_processing_queue';
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/**
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* Background task to resizes images
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*
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* @param mixed $item Image data.
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* @return bool
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* @throws IPQ_Process_Exception On error.
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*/
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protected function task( $item ) {
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$defaults = array(
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'post_id' => 0,
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'width' => 0,
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'height' => 0,
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'crop' => false,
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);
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$item = wp_parse_args( $item, $defaults );
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$post_id = $item['post_id'];
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$width = $item['width'];
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$height = $item['height'];
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$crop = $item['crop'];
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if ( ! $width && ! $height ) {
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throw new IPQ_Process_Exception( "Invalid dimensions '{$width}x{$height}'" );
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}
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if ( Image_Processing_Queue::does_size_already_exist_for_image( $post_id, array( $width, $height, $crop ) ) ) {
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return false;
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}
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$image_meta = Image_Processing_Queue::get_image_meta( $post_id );
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if ( ! $image_meta ) {
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return false;
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}
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add_filter( 'as3cf_get_attached_file_copy_back_to_local', '__return_true' );
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$img_path = Image_Processing_Queue::get_image_path( $post_id );
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if ( ! $img_path ) {
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return false;
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}
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$editor = wp_get_image_editor( $img_path );
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if ( is_wp_error( $editor ) ) {
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throw new IPQ_Process_Exception( 'Unable to get WP_Image_Editor for file "' . $img_path . '": ' . $editor->get_error_message() . ' (is GD or ImageMagick installed?)' );
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}
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if ( is_wp_error( $editor->resize( $width, $height, $crop ) ) ) {
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throw new IPQ_Process_Exception( 'Error resizing image: ' . $editor->get_error_message() );
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}
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$resized_file = $editor->save();
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if ( is_wp_error( $resized_file ) ) {
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throw new IPQ_Process_Exception( 'Unable to save resized image file: ' . $editor->get_error_message() );
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}
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$size_name = Image_Processing_Queue::get_size_name( array( $width, $height, $crop ) );
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$image_meta['sizes'][ $size_name ] = array(
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'file' => $resized_file['file'],
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'width' => $resized_file['width'],
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'height' => $resized_file['height'],
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'mime-type' => $resized_file['mime-type'],
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);
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wp_update_attachment_metadata( $post_id, $image_meta );
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return false;
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}
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}
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}
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