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wpmudev-sls/smush-bulk-delete-bak-images.php

Last active May 2, 2020 20:11
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[Smush] - Bulk Delete Bak Images
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smush-bulk-delete-bak-images.php
<?php
/**
* Plugin Name: [Smush] - Bulk Delete Bak Images
* Plugin URI: https://premium.wpmudev.org/
* Description: Deletes all .bak images
* Author: Panos Lyrakis @ WPMUDEV
* Author URI: https://premium.wpmudev.org/
* License: GPLv2 or later
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
if ( ! class_exists( 'WPMUDEV_Smush_Delete_Bak_Images' ) ) {
class WPMUDEV_Smush_Delete_Bak_Images {
private static $_instance = null;
private static $smush_core = null;
private static $per_page = 10;
public static function get_instance() {
if( is_null( self::$_instance ) ){
self::$_instance = new WPMUDEV_Smush_Delete_Bak_Images();
}
return self::$_instance;
}
private function __construct() {
if ( ! class_exists( 'WP_Smush' ) && ! class_exists( 'Smush\\WP_Smush' ) ) {
return;
}
add_action( 'admin_menu', array( $this, 'admin_menu' ), 20 );
add_action( 'wp_ajax_wpmudev_delete_bak_images', array( $this, 'ajax_delete_images' ) );
}
public function delete_image( $bak_path, $attachment_id ) {
if ( unlink( $bak_path ) ) {
delete_post_meta( $attachment_id, '_wp_attachment_backup_sizes' );
return true;
}
return false;
}
public function ajax_delete_images ( $offset = 0 ) {
//check_ajax_referer( 'wpmudev_delete_bak_image', 'security' );
$offset = filter_input( INPUT_POST, 'offset', FILTER_DEFAULT );
$args = array(
'post_type' => 'attachment',
'offset' => $offset,
'posts_per_page' => self::$per_page,
'post_status' => null
);
$attachments = get_posts( $args );
$images = array();
if( ! empty( $attachments ) ) {
foreach( $attachments as $attachment ){
$fullsize_path = get_attached_file( $attachment->ID );
$back_src = $this->add_bak_substension( $attachment->guid );
$back_path = $this->add_bak_substension( $fullsize_path );
list( $src, $width, $height ) = wp_get_attachment_image_src( $attachment->ID, 'thumbnail' );
if ( ! file_exists( $back_path ) ) {
continue;
}
$image_info = array(
'attachment_id' => $attachment->ID,
'src' => $back_src,
'bak_path' => $back_path,
'thumb' => $src
);
$deleted = $this->delete_image( $back_path, $attachment->ID );
if ( $deleted ) {
$image_info[ 'deleted' ] = true;
} else {
$image_info[ 'deleted' ] = false;
}
$images[] = $image_info;
}
/*
if ( empty( $images ) ) {
wp_send_json(
array(
'success' => true,
'completed' => true,
'offset' => $offset
)
);
}
*/
$offset += self::$per_page;
$return = array(
'success' => true,
'list' => ! empty( $images ) ? $this->list_images( $images ) : '',
'offset' => $offset,
'completed' => false
);
wp_send_json($return);
}
else {
wp_send_json(
array(
'success' => true,
'completed' => true
)
);
}
}
private function add_bak_substension( $path ) {
$pathinfo = pathinfo( $path );
$back_path = $pathinfo['dirname'] . '/' . $pathinfo['filename'] . '.bak.' . $pathinfo['extension'];
return $back_path;
}
private function list_images( $images ) {
if ( ! is_array( $images ) ) {
return '';
}
$out = '';
foreach ( $images as $image ) {
$attachment_id = $image[ 'attachment_id' ];
$bak_path = $image[ 'bak_path' ];
$src = $image[ 'thumb' ];
$bg_color = '#42b883';
$title = 'Image deleted succesfully';
if ( ! $image[ 'deleted' ] ) {
$bg_color = '#ff7e67';
$title = 'Image could not be deleted';
}
$out .= "
<div style=\"width: 60%; vertical-align: top; margin: 10px; padding:10px; background-color:{$bg_color}; \" id=\"back-item-wrap-{$attachment_id}\">
<div>{$title}</div>
<span style=\"display:inline-block; width:80px;\">
<img src=\"{$src}\" width=\"80\" />
</span>
<span style=\"display:inline-block;vertical-align: top;\">
{$bak_path}
</span>
</div>";
}
return $out;
}
public function admin_menu() {
add_submenu_page(
'smush' ,
'Delete bak Images',
'Delete bak Images',
'manage_options',
'delete-bak-images',
array( $this, 'print_content' )
);
}
public function print_content() {
$count = array_sum( (array) wp_count_attachments( $mime_type = 'image' ) );
?>
<h1>Bulk Delete .bak Images</h1>
<button id="smush-back-deleter">Start Deleting</button>
<div id="smush-back-images-list"></div>
<div id="smush-spinner" style="display:none;">
<?php echo sprintf( __( 'Checking all %d attachments for .bak images' ), $count )?>
<img src='https://svn.automattic.com/wordpress/trunk/wp-admin/images/spinner.gif' />
</div>
<script type="text/javascript">
( $ => {
// List all bak images with Ajax
Smush_RM_Bak_Images = {
list_container : $( '#smush-back-images-list' ),
init : function(){
$( '#smush-back-deleter' ).on( 'click', function(){ Smush_RM_Bak_Images.rm_bak( 0 ) } );
},
rm_bak : function( offset ){
$( '#smush-spinner' ).show( 300 );
var data = {
action: 'wpmudev_delete_bak_images',
security: '<?php echo wp_create_nonce( "wpmudev_delete_bak_images" ); ?>',
offset: offset
};
$.post( ajaxurl, data, function( response ) {
if( response.success ){
Smush_RM_Bak_Images.list( response.list );
if ( response.offset ) {
Smush_RM_Bak_Images.rm_bak( response.offset );
}
else {
Smush_RM_Bak_Images.deletion_done();
}
} else {
alert( 'There is probably some error and images could not be deleted' );
}
});
},
deletion_done : function() {
$( '#smush-spinner' ).hide( 300 );
alert( 'All .bak images shoud be removed!' );
},
list : function( list ){
this.list_container.append( list );
},
}
$( document ).ready( Smush_RM_Bak_Images.init() );
})(jQuery);
</script>
<?php
}
}
if ( ! function_exists( 'wpmudev_smush_delete_bak_images' ) ) {
function wpmudev_smush_delete_bak_images(){
return WPMUDEV_Smush_Delete_Bak_Images::get_instance();
};
add_action( 'plugins_loaded', 'wpmudev_smush_delete_bak_images', 10 );
}
}
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