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✏️ Editing: class-imagify-files-list-table.php

<?php
defined( 'ABSPATH' ) || die( 'Cheatin’ uh?' );

/**
 * Class that display the "custom folders" files.
 *
 * @package Imagify
 * @since   1.7
 * @author  Grégory Viguier
 */
class Imagify_Files_List_Table extends WP_List_Table {

/**
	 * Class version.
	 *
	 * @var   string
	 * @since 1.7
	 * @author Grégory Viguier
	 */
	const VERSION = '1.1';

/**
	 * Class version.
	 *
	 * @var   string
	 * @since 1.7
	 * @author Grégory Viguier
	 */
	const PER_PAGE_OPTION = 'imagify_files_per_page';

/**
	 * List of the folders containing the listed files.
	 *
	 * @var    array
	 * @since  1.7
	 * @access protected
	 * @author Grégory Viguier
	 */
	protected $folders = array();

/**
	 * Filesystem object.
	 *
	 * @var    object Imagify_Filesystem
	 * @since  1.7.1
	 * @access protected
	 * @author Grégory Viguier
	 */
	protected $filesystem;

/**
	 * Views object.
	 *
	 * @var    object Imagify_Views
	 * @since  1.9
	 * @access protected
	 * @author Grégory Viguier
	 */
	protected $views;

/**
	 * Constructor.
	 *
	 * @since  1.7
	 * @access public
	 * @author Grégory Viguier
	 *
	 * @param array $args An associative array of arguments.
	 */
	public function __construct( $args = array() ) {
		parent::__construct( array(
			'plural' => 'imagify-files',
			'screen' => isset( $args['screen'] ) ? convert_to_screen( $args['screen'] ) : null,
		) );

$this->modes = array(
			'list' => __( 'List View', 'imagify' ),
		);

$this->filesystem = Imagify_Filesystem::get_instance();
		$this->views      = Imagify_Views::get_instance();
	}

/**
	 * Prepares the list of items for displaying.
	 *
	 * @since  1.7
	 * @access public
	 * @author Grégory Viguier
	 */
	public function prepare_items() {
		global $wpdb;

add_screen_option( 'per_page', array(
			'label'   => __( 'Number of files per page', 'imagify' ),
			'default' => 20,
			'option'  => self::PER_PAGE_OPTION,
		) );

$files_db      = Imagify_Files_DB::get_instance();
		$files_table   = $files_db->get_table_name();
		$files_key     = $files_db->get_primary_key();
		$files_key_esc = esc_sql( $files_key );
		$per_page      = $this->get_items_per_page( self::PER_PAGE_OPTION );

// Prepare the query to get items.
		$page     = $this->get_pagenum();
		$offset   = ( $page - 1 ) * $per_page;
		$orderbys = $this->get_sortable_columns();
		$orderby  = 'path';
		$order    = 'ASC';
		$folders  = array();
		$file_ids = array();
		$where    = '';

$sent_orderby  = filter_input( INPUT_GET, 'orderby', FILTER_SANITIZE_STRING );
		$sent_order    = filter_input( INPUT_GET, 'order', FILTER_SANITIZE_STRING );
		$folder_filter = self::get_folder_filter();
		$status_filter = self::get_status_filter();

if ( ! empty( $sent_orderby ) && isset( $orderbys[ $sent_orderby ] ) ) {
			$orderby = $sent_orderby;
			$order   = is_array( $orderbys[ $orderby ] ) ? 'DESC' : 'ASC';

if ( 'optimization' === $orderby ) {
				$orderby = 'percent';
			}
		}

if ( $sent_order ) {
			$order = 'ASC' === strtoupper( $sent_order ) ? 'ASC' : 'DESC';
		}

if ( $folder_filter ) {
			// Display only files from a specific custom folder.
			$where = "WHERE folder_id = $folder_filter";
		}

if ( $status_filter ) {
			// Display files optimized, not optimized, or with error.
			$where .= $where ? ' AND ' : 'WHERE ';

switch ( $status_filter ) {
				case 'optimized':
					$where .= "( status = 'success' OR status = 'already_optimized' )";
					break;
				case 'unoptimized':
					$where .= 'status IS NULL';
					break;
				case 'errors':
					$where .= "status = 'error'";
					break;
			}
		}

// Pagination.
		$this->set_pagination_args( array(
			'total_items' => (int) $wpdb->get_var( "SELECT COUNT($files_key_esc) FROM $files_table $where" ), // WPCS: unprepared SQL ok.
			'per_page'    => $per_page,
		) );

// Get items.
		$this->items = $wpdb->get_results( $wpdb->prepare( "SELECT * FROM $files_table $where ORDER BY $orderby $order LIMIT %d, %d", $offset, $per_page ) ); // WPCS: unprepared SQL ok.

if ( ! $this->items ) {
			return;
		}

// Prepare items.
		foreach ( $this->items as $i => $item ) {
			// Cast values.
			$item = $files_db->cast_row( $item );

// Store the folders used by the items to get their data later in 1 query.
			$folders[ $item->folder_id ] = $item->folder_id;

// Store the item IDs to store transients later in 1 query.
			$file_ids[ $item->$files_key ] = $item->$files_key;

// Use Imagify objects + add related folder ID and path (set later).
			$this->items[ $i ] = (object) [
				'process'          => imagify_get_optimization_process( $item, 'custom-folders' ),
				'folder_id'        => $item->folder_id,
				'folder_path'      => false,
				'is_folder_active' => true,
			];

if ( ! $this->items[ $i ]->process->is_valid() ) {
				unset( $this->items[ $i ] );
			}
		}

$folders = array_filter( $folders );

// Cache transient values.
		Imagify_DB::cache_process_locks( 'custom-folders', $file_ids );

if ( ! $folders ) {
			return;
		}

// Get folders data.
		$folders_db      = Imagify_Folders_DB::get_instance();
		$folders_table   = $folders_db->get_table_name();
		$folders_key_esc = esc_sql( $folders_db->get_primary_key() );
		$folders         = Imagify_DB::prepare_values_list( $folders );
		$folders         = $wpdb->get_results( "SELECT * FROM $folders_table WHERE $folders_key_esc IN ( $folders )" ); // WPCS: unprepared SQL ok.

if ( ! $folders ) {
			return;
		}

// Cast folders data and store data into a property.
		foreach ( $folders as $folder ) {
			$folder = $folders_db->cast_row( $folder );

$this->folders[ $folder->folder_id ] = $folder;
		}

// Set folders path to each item.
		foreach ( $this->items as $i => $item ) {
			if ( $item->folder_id && isset( $this->folders[ $item->folder_id ] ) ) {
				$item->folder_path      = $this->folders[ $item->folder_id ]->path;
				$item->is_folder_active = (bool) $this->folders[ $item->folder_id ]->active;
			}
		}

// Button templates.
		Imagify_Views::get_instance()->print_js_template_in_footer( 'button/processing' );
	}

/**
	 * Message to be displayed when there are no items.
	 *
	 * @since  1.7
	 * @access public
	 * @author Grégory Viguier
	 */
	public function no_items() {
		if ( self::get_status_filter() ) {
			// Filter by status.
			switch ( self::get_status_filter() ) {
				case 'optimized':
					/* translators: 1 is a link tag start, 2 is the link tag end. */
					printf( esc_html__( 'No optimized files. Have you tried the %1$sbulk optimization%2$s yet?', 'imagify' ), '<a href="' . esc_url( get_imagify_admin_url( 'files-bulk-optimization' ) ) . '">', '</a>' );
					return;

case 'unoptimized':
					esc_html_e( 'No unoptimized files, hurray!', 'imagify' );
					return;

case 'errors':
					esc_html_e( 'No errors, hurray!', 'imagify' );
					return;
			}
		}

$args = array(
			'action'           => 'imagify_scan_custom_folders',
			'_wpnonce'         => wp_create_nonce( 'imagify_scan_custom_folders' ),
			'_wp_http_referer' => get_imagify_admin_url( 'files-list' ),
		);

if ( self::get_folder_filter() ) {
			// A specific custom folder (selected or not).
			$args['folder']           = self::get_folder_filter();
			$args['_wp_http_referer'] = rawurlencode( add_query_arg( 'folder-filter', self::get_folder_filter(), $args['_wp_http_referer'] ) );

printf(
				/* translators: 1 and 2 are link tag starts, 3 is a link tag end. */
				esc_html__( 'No files yet. Do you want to %1$sscan this folder%3$s for new files or launch a %2$sbulk optimization%3$s directly?', 'imagify' ),
				'<a href="' . esc_url( add_query_arg( $args, admin_url( 'admin-post.php' ) ) ) . '">',
				'<a href="' . esc_url( get_imagify_admin_url( 'files-bulk-optimization' ) ) . '">',
				'</a>'
			);
			return;
		}

if ( Imagify_Folders_DB::get_instance()->has_active_folders() ) {
			// All selected custom folders.
			$args['_wp_http_referer'] = rawurlencode( $args['_wp_http_referer'] );
			printf(
				/* translators: 1 and 2 are link tag starts, 3 is a link tag end. */
				esc_html__( 'No files yet. Do you want to %1$sscan your selected folders%3$s for new files or launch a %2$sbulk optimization%3$s directly?', 'imagify' ),
				'<a href="' . esc_url( add_query_arg( $args, admin_url( 'admin-post.php' ) ) ) . '">',
				'<a href="' . esc_url( get_imagify_admin_url( 'files-bulk-optimization' ) ) . '">',
				'</a>'
			);
			return;
		}

// Nothing selected in the settings.
		printf(
			/* translators: 1 is a link tag start, 2 is the link tag end. */
			esc_html__( 'To see things appear here, you must select folders in the settings page first :)', 'imagify' ),
			'<a href="' . esc_url( get_imagify_admin_url() ) . '">',
			'</a>'
		);
	}

/**
	 * Display views.
	 *
	 * @since  1.7
	 * @access public
	 * @author Grégory Viguier
	 */
	public function views() {
		global $wpdb;

// Get all folders.
		$folders_table = Imagify_Folders_DB::get_instance()->get_table_name();
		$folders       = $wpdb->get_results( "SELECT folder_id, path FROM $folders_table" ); // WPCS: unprepared SQL ok.

if ( ! $folders ) {
			return;
		}

$files_db      = Imagify_Files_DB::get_instance();
		$files_table   = $files_db->get_table_name();
		$files_key_esc = esc_sql( $files_db->get_primary_key() );

// Filter files by folder.
		$folder_filters = array();
		$root_id        = 0;
		$counts         = $wpdb->get_results( "SELECT folder_id, COUNT( $files_key_esc ) AS count FROM $files_table GROUP BY folder_id", OBJECT_K ); // WPCS: unprepared SQL ok.

foreach ( $folders as $folder ) {
			if ( '{{ROOT}}/' === $folder->path ) {
				$root_id = $folder->folder_id;
				$folder_filters[ $folder->folder_id ] = '/';
			} else {
				$folder_filters[ $folder->folder_id ] = '/' . trim( $this->filesystem->make_path_relative( Imagify_Files_Scan::remove_placeholder( $folder->path ) ), '/' );
			}
		}

natcasesort( $folder_filters );

if ( $root_id ) {
			$folder_filters[ $root_id ] = __( 'Site\'s root', 'imagify' );
		}

foreach ( $folder_filters as $folder_id => $label ) {
			$folder_filters[ $folder_id ] .= ' (' . ( isset( $counts[ $folder_id ] ) ? (int) $counts[ $folder_id ]->count : 0 ) . ')';
		}

// Filter files by status.
		$counts         = $wpdb->get_results( "SELECT status, COUNT( $files_key_esc ) AS count FROM $files_table GROUP BY status", OBJECT_K ); // WPCS: unprepared SQL ok.
		$status_filters = array(
			'optimized'   => 0,
			'unoptimized' => 0,
			'errors'      => 0,
		);

if ( isset( $counts['success'] ) ) {
			$status_filters['optimized'] += $counts['success']->count;
		}

if ( isset( $counts['already_optimized'] ) ) {
			$status_filters['optimized'] += $counts['already_optimized']->count;
		}

if ( isset( $counts[''] ) ) {
			$status_filters['unoptimized'] += $counts['']->count;
		}

if ( isset( $counts['error'] ) ) {
			$status_filters['errors'] += $counts['error']->count;
		}

$status_filters = array(
			''            => __( 'All Media Files', 'imagify' ),
			'optimized'   => _x( 'Optimized', 'Media Files', 'imagify' ) . ' (' . $status_filters['optimized'] . ')',
			'unoptimized' => _x( 'Unoptimized', 'Media Files', 'imagify' ) . ' (' . $status_filters['unoptimized'] . ')',
			'errors'      => _x( 'Errors', 'Media Files', 'imagify' ) . ' (' . $status_filters['errors'] . ')',
		);

// Get submitted values.
		$folder_filter = self::get_folder_filter();
		$status_filter = self::get_status_filter();

// Display the filters.
		if ( method_exists( $this->screen, 'render_screen_reader_content' ) ) {
			// Introduced in WP 4.4.
			$this->screen->render_screen_reader_content( 'heading_views' );
		}
		?>
		<div class="wp-filter">
			<div class="filter-items">

<label for="folder-filter" class="screen-reader-text"><?php _e( 'Filter by folder', 'imagify' ); ?></label>
				<select class="folder-filters" name="folder-filter" id="folder-filter">
					<?php
					printf( '<option value="%s"%s>%s</option>', '', selected( $folder_filter, 0, false ), esc_html__( 'All Folders', 'imagify' ) );

foreach ( $folder_filters as $folder_id => $label ) {
						printf( '<option value="%d"%s>%s</option>', $folder_id, selected( $folder_filter, $folder_id, false ), esc_html( $label ) );
					}
					?>
				</select>

<label for="status-filter" class="screen-reader-text"><?php _e( 'Filter by status', 'imagify' ); ?></label>
				<select class="folder-filters" name="status-filter" id="status-filter">
					<?php
					foreach ( $status_filters as $status => $label ) {
						printf( '<option value="%s"%s>%s</option>', $status, selected( $status_filter, $status, false ), esc_html( $label ) );
					}
					?>
				</select>

<?php submit_button( _x( 'Filter', 'verb', 'imagify' ), '', 'filter_action', false, array( 'id' => 'folders-query-submit' ) ); ?>

<?php $this->extra_tablenav( 'bar' ); ?>
			</div>
		</div>
		<?php
	}

/**
	 * Get an associative array ( option_name => option_title ) with the list of bulk actions available on this table.
	 *
	 * @since  1.7
	 * @access public
	 * @author Grégory Viguier
	 *
	 * @return array
	 */
	public function get_bulk_actions() {
		return array(
			'imagify-bulk-refresh-status' => __( 'Refresh status', 'imagify' ),
		);
	}

/**
	 * Get a list of columns. The format is:
	 * 'internal-name' => 'Title'
	 *
	 * @since  1.7
	 * @access public
	 * @author Grégory Viguier
	 *
	 * @return array
	 */
	public function get_columns() {
		return array(
			'cb'                 => '<input type="checkbox" />',
			'title'              => __( 'File', 'imagify' ),
			'folder'             => __( 'Folder', 'imagify' ),
			'optimization'       => __( 'Optimization', 'imagify' ),
			'status'             => __( 'Status', 'imagify' ),
			'optimization_level' => __( 'Optimization Level', 'imagify' ),
			'actions'            => __( 'Actions', 'imagify' ),
		);
	}

/**
	 * Get a list of sortable columns. The format is:
	 * 'internal-name' => 'orderby'
	 * or
	 * 'internal-name' => array( 'orderby', true )
	 *
	 * The second format will make the initial sorting order be descending.
	 *
	 * @since  1.7
	 * @access public
	 * @author Grégory Viguier
	 *
	 * @return array
	 */
	public function get_sortable_columns() {
		return array(
			'folder'             => 'folder',
			'optimization'       => array( 'optimization', true ),
			'status'             => 'status',
			'optimization_level' => array( 'optimization_level', true ),
		);
	}

/**
	 * Get a column contents.
	 *
	 * @since  1.7
	 * @access public
	 * @author Grégory Viguier
	 *
	 * @param  string $column The column "name": "cb", "title", "optimization_level", etc.
	 * @param  object $item   The current item. It must contain at least a $process property.
	 * @return string         HTML contents,
	 */
	public function get_column( $column, $item ) {
		if ( ! method_exists( $this, 'column_' . $column ) ) {
			return '';
		}

ob_start();
		call_user_func( array( $this, 'column_' . $column ), $item );
		return ob_get_clean();
	}

/**
	 * Handles the checkbox column output.
	 *
	 * @since  1.7
	 * @access public
	 * @author Grégory Viguier
	 *
	 * @param object $item The current item. It must contain at least a $process property.
	 */
	public function column_cb( $item ) {
		$media_id = $item->process->get_media()->get_id();
		?>
		<label class="screen-reader-text" for="cb-select-<?php echo $media_id; ?>"><?php _ex( 'Select file', 'checkbox label', 'imagify' ); ?></label>
		<input id="cb-select-<?php echo $media_id; ?>" type="checkbox" name="bulk_select[]" value="<?php echo $media_id; ?>" />
		<?php
	}

/**
	 * Handles the title column output.
	 *
	 * @since  1.7
	 * @access public
	 * @author Grégory Viguier
	 *
	 * @param object $item The current item. It must contain at least a $process property.
	 */
	public function column_title( $item ) {
		$item  = $this->maybe_set_item_folder( $item );
		$media = $item->process->get_media();
		$url   = $media->get_fullsize_url();
		$base  = ! empty( $item->folder_path ) ? Imagify_Files_Scan::remove_placeholder( $item->folder_path ) : '';
		$title = $this->filesystem->make_path_relative( $media->get_fullsize_path(), $base );

list( $mime ) = explode( '/', $media->get_mime_type() );

if ( $media->is_image() ) {
			$dimensions  = $media->get_dimensions();
			$orientation = $dimensions['width'] > $dimensions['height'] ? ' landscape' : ' portrait';
			$orientation = $dimensions['width'] && $dimensions['height'] ? $orientation : '';

if ( ! wp_doing_ajax() && $item->process->get_data()->get_optimized_size( false, 0, false ) > 100000 ) {
				// LazyLoad.
				$image_tag  = '<img src="' . esc_url( IMAGIFY_ASSETS_IMG_URL . 'lazyload.png' ) . '" data-lazy-src="' . esc_url( $url ) . '" alt="" />';
				$image_tag .= '<noscript><img src="' . esc_url( $url ) . '" alt="" /></noscript>';
			} else {
				$image_tag = '<img src="' . esc_url( $url ) . '" class="hide-if-no-js" alt="" />';
			}
		} else {
			$orientation = '';
			$image_tag   = '<img src="' . esc_url( wp_mime_type_icon( $mime ) ) . '" class="hide-if-no-js" alt="" />';
		}
		?>
		<strong class="has-media-icon">
			<a href="<?php echo esc_url( $url ); ?>" target="_blank">
				<span class="media-icon <?php echo sanitize_html_class( $mime . '-icon' ); ?><?php echo $orientation; ?>">
					<span class="centered">
						<?php echo $image_tag; ?>
					</span>
				</span>
				<?php echo esc_html( $title ); ?>
			</a>
		</strong>
		<p class="filename">
			<?php $this->comparison_tool_button( $item ); ?>
		</p>
		<?php
	}

/**
	 * Handles the parent folder column output.
	 *
	 * @since  1.7
	 * @access public
	 * @author Grégory Viguier
	 *
	 * @param object $item The current item. It must contain at least a $process property.
	 */
	public function column_folder( $item ) {
		$item = $this->maybe_set_item_folder( $item );

if ( empty( $item->folder_path ) ) {
			return;
		}

$format = '%s';
		$filter = self::get_folder_filter();

if ( $filter !== $item->folder_id ) {
			$format = '<a href="' . esc_url( add_query_arg( 'folder-filter', $item->folder_id, get_imagify_admin_url( 'files-list' ) ) ) . '">%s</a>';
		}

if ( '{{ROOT}}/' === $item->folder_path ) {
			// It's the site's root.
			printf( $format, __( 'Site\'s root', 'imagify' ) );
		} else {
			printf( $format, '<code>/' . trim( $this->filesystem->make_path_relative( Imagify_Files_Scan::remove_placeholder( $item->folder_path ) ), '/' ) . '</code>' );
		}

if ( ! $item->is_folder_active ) {
			echo '<br/>';
			_e( 'This folder is not selected for bulk optimization.', 'imagify' );
		}
	}

/**
	 * Handles the optimization data column output.
	 *
	 * @since  1.7
	 * @access public
	 * @author Grégory Viguier
	 *
	 * @param object $item The current item. It must contain at least a $process property.
	 */
	public function column_optimization( $item ) {
		$data     = $item->process->get_data();
		$media_id = $item->process->get_media()->get_id();
		?>
		<ul class="imagify-datas-list">
			<li class="imagify-data-item">
				<span class="data"><?php esc_html_e( 'Original Filesize:', 'imagify' ); ?></span>
				<strong class="data-value original"><?php echo esc_html( $data->get_original_size() ); ?></strong>
			</li>
			<?php if ( $data->is_optimized() ) { ?>
				<li class="imagify-data-item">
					<span class="data"><?php esc_html_e( 'New Filesize:', 'imagify' ); ?></span>
					<strong class="data-value big optimized"><?php echo esc_html( $data->get_optimized_size() ); ?></strong>
				</li>
				<li class="imagify-data-item">
					<span class="data"><?php esc_html_e( 'Original Saving:', 'imagify' ); ?></span>
					<strong class="data-value">
						<span class="imagify-chart">
							<span class="imagify-chart-container">
								<canvas class="imagify-consumption-chart imagify-consumption-chart-<?php echo $media_id; ?>" width="15" height="15"></canvas>
								<?php if ( wp_doing_ajax() ) { ?>
									<script type="text/javascript">jQuery( window ).trigger( "canvasprinted.imagify", [ ".imagify-consumption-chart-<?php echo $media_id; ?>" ] ); </script>
								<?php } ?>
							</span>
						</span>
						<span class="imagify-chart-value"><?php echo $data->get_saving_percent(); ?></span>%
					</strong>
				</li>
				<?php
				if ( $item->process->get_media()->is_image() ) {
					$has_webp = $item->process->has_webp() ? __( 'Yes', 'imagify' ) : __( 'No', 'imagify' );
					?>
					<li class="imagify-data-item">
						<span class="data"><?php esc_html_e( 'Webp generated:', 'imagify' ); ?></span>
						<strong class="data-value"><?php echo esc_html( $has_webp ); ?></strong>
					</li>
					<?php
				}
			}
			?>
		</ul>
		<?php
	}

/**
	 * Handles the status column output.
	 *
	 * @since  1.7
	 * @access public
	 * @author Grégory Viguier
	 *
	 * @param object $item The current item. It must contain at least a $process property.
	 */
	public function column_status( $item ) {
		$data     = $item->process->get_data();
		$row      = $data->get_row();
		$status   = $data->get_optimization_status();
		$messages = [];

if ( ! $status ) {
			// File is not optimized.
			$messages[] = '<strong class="imagify-status-not-optimized">' . esc_html_x( 'Not optimized', 'Media File', 'imagify' ) . '</strong>';
		} elseif ( ! empty( $row['error'] ) ) {
			// Error or already optimized.
			$messages[] = '<span class="imagify-status-' . $status . '">' . esc_html( imagify_translate_api_message( $row['error'] ) ) . '</span>';
		}

if ( empty( $row['modified'] ) && ! $messages ) {
			// No need to display this if we already have another message to display.
			$messages[] = '<em class="imagify-status-no-changes">' . esc_html__( 'No changes found', 'imagify' ) . '</em>';
		} elseif ( ! empty( $row['modified'] ) ) {
			// The file has changed or is missing.
			$messages[] = '<strong class="imagify-status-changed">' . esc_html__( 'The file has changed', 'imagify' ) . '</strong>';
		}

echo implode( '<br/>', $messages );

$this->refresh_status_button( $item );
	}

/**
	 * Handles the optimization level column output.
	 *
	 * @since  1.7
	 * @access public
	 * @author Grégory Viguier
	 *
	 * @param object $item The current item. It must contain at least a $process property.
	 */
	public function column_optimization_level( $item ) {
		$data = $item->process->get_data();

if ( ! $data->is_error() ) {
			echo imagify_get_optimization_level_label( $data->get_optimization_level(), '%ICON% %s' );
		}
	}

/**
	 * Handles the actions column output.
	 *
	 * @since  1.7
	 * @access public
	 * @author Grégory Viguier
	 *
	 * @param object $item The current item. It must contain at least a $process property.
	 */
	public function column_actions( $item ) {
		static $done = false;

if ( ! Imagify_Requirements::is_api_key_valid() ) {
			// Stop the process if the API key isn't valid.
			if ( ! $done ) {
				// No need to display this on every row.
				$done = true;
				esc_html_e( 'Invalid API key', 'imagify' );
				echo '<br/><a href="' . esc_url( get_imagify_admin_url() ) . '">' . __( 'Check your Settings', 'imagify' ) . '</a>';
			}
			return;
		}

if ( $item->process->is_locked() ) {
			Imagify_Views::get_instance()->print_template( 'button-processing', [
				'label' => __( 'Optimizing...', 'imagify' ),
			] );
			return;
		}

$this->optimize_button( $item );
		$this->retry_button( $item );
		$this->reoptimize_buttons( $item );
		$this->generate_webp_versions_button( $item );
		$this->delete_webp_versions_button( $item );
		$this->restore_button( $item );
	}

/**
	 * Prints a button to optimize the file.
	 *
	 * @since  1.7
	 * @access protected
	 * @author Grégory Viguier
	 *
	 * @param object $item The current item. It must contain at least a $process property.
	 */
	protected function optimize_button( $item ) {
		if ( $item->process->get_data()->get_optimization_status() ) {
			// Already optimized.
			return;
		}

$media = $item->process->get_media();
		$class = $media->has_backup() ? ' file-has-backup' : '';
		$url   = get_imagify_admin_url( 'optimize-file', [
			'attachment_id' => $media->get_id(),
		] );

echo $this->views->get_template( 'button/optimize', [
			'url'  => $url,
			'atts' => [
				'class' => 'button-primary button-imagify-optimize' . $class,
			],
		] );
	}

/**
	 * Prints a button to retry to optimize the file.
	 *
	 * @since  1.7
	 * @access protected
	 * @author Grégory Viguier
	 *
	 * @param object $item The current item. It must contain at least a $process property.
	 */
	protected function retry_button( $item ) {
		$data = $item->process->get_data();

if ( ! $data->is_already_optimized() && ! $data->is_error() ) {
			// Not optimized or successfully optimized.
			return;
		}

$media = $item->process->get_media();
		$class = $media->has_backup() ? ' file-has-backup' : '';
		$url   = get_imagify_admin_url( 'optimize-file', [
			'attachment_id' => $media->get_id(),
		] );

echo $this->views->get_template( 'button/retry-optimize', [
			'url'  => $url,
			'atts' => [
				'class' => 'button button-imagify-optimize' . $class,
			],
		] );
		echo '<br/>';
	}

/**
	 * Prints buttons to re-optimize the file to other levels.
	 *
	 * @since  1.7
	 * @access protected
	 * @author Grégory Viguier
	 *
	 * @param object $item The current item. It must contain at least a $process property.
	 */
	protected function reoptimize_buttons( $item ) {
		$data = $item->process->get_data();

if ( ! $data->get_optimization_status() ) {
			// Not optimized yet.
			return;
		}

$is_already_optimized = $data->is_already_optimized();
		$media                = $item->process->get_media();
		$can_reoptimize       = $is_already_optimized || $media->has_backup();

// Don't display anything if there is no backup or the image has been optimized.
		if ( ! $can_reoptimize ) {
			return;
		}

$media_level = $data->get_optimization_level();
		$data        = [];
		$url_args    = [ 'attachment_id' => $media->get_id() ];

foreach ( [ 2, 1, 0 ] as $level ) {
			/**
			 * Display a link if:
			 * - the level is lower than the one used to optimize the media,
			 * - or, the level is higher and the media is not already optimized.
			 */
			if ( $media_level < $level || ( $media_level > $level && ! $is_already_optimized ) ) {
				$url_args['optimization_level'] = $level;
				$data['optimization_level']     = $level;
				$data['url']                    = get_imagify_admin_url( 'reoptimize-file', $url_args );

echo $this->views->get_template( 'button/re-optimize', $data );
				echo '<br/>';
			}
		}
	}

/**
	 * Prints a button to generate webp versions if they are missing.
	 *
	 * @since  1.7
	 * @access protected
	 * @author Grégory Viguier
	 *
	 * @param object $item The current item. It must contain at least a $process property.
	 */
	protected function generate_webp_versions_button( $item ) {
		$button = get_imagify_attachment_generate_webp_versions_link( $item->process );

if ( $button ) {
			echo $button . '<br/>';
		}
	}

/**
	 * Prints a button to delete webp versions when the status is "already_optimized".
	 *
	 * @since  1.9.6
	 * @access protected
	 * @author Grégory Viguier
	 *
	 * @param object $item The current item. It must contain at least a $process property.
	 */
	protected function delete_webp_versions_button( $item ) {
		$button = get_imagify_attachment_delete_webp_versions_link( $item->process );

if ( $button ) {
			echo $button . '<br/>';
		}
	}

/**
	 * Prints a button to restore the file.
	 *
	 * @since  1.7
	 * @access protected
	 * @author Grégory Viguier
	 *
	 * @param object $item The current item. It must contain at least a $process property.
	 */
	protected function restore_button( $item ) {
		$data  = $item->process->get_data();
		$media = $item->process->get_media();

if ( ! $data->is_optimized() || ! $media->has_backup() ) {
			return;
		}

$url = get_imagify_admin_url( 'restore-file', array(
			'attachment_id' => $media->get_id(),
		) );

echo $this->views->get_template( 'button/restore', [ 'url' => $url ] );
	}

/**
	 * Prints a button to check if the file has been modified or not.
	 *
	 * @since  1.7
	 * @access protected
	 * @author Grégory Viguier
	 *
	 * @param object $item The current item. It must contain at least a $process property.
	 */
	protected function refresh_status_button( $item ) {
		$url = get_imagify_admin_url( 'refresh-file-modified', array(
			'attachment_id' => $item->process->get_media()->get_id(),
		) );

echo '<br/>';
		echo $this->views->get_template( 'button/refresh-status', [ 'url' => $url ] );
	}

/**
	 * Prints a button for the comparison tool (before / after optimization).
	 *
	 * @since  1.7
	 * @access protected
	 * @author Grégory Viguier
	 *
	 * @param object $item The current item. It must contain at least a $process property.
	 */
	protected function comparison_tool_button( $item ) {
		$data  = $item->process->get_data();
		$media = $item->process->get_media();

if ( ! $data->is_optimized() || ! $media->has_backup() || ! $media->is_image() ) {
			return;
		}

$file_path = $media->get_fullsize_path();

if ( ! $file_path ) {
			return;
		}

$dimensions = $media->get_dimensions();

if ( $dimensions['width'] < 360 ) {
			return;
		}

$backup_url = $media->get_backup_url();

echo $this->views->get_template( 'button/compare-images', [
			'url'          => $backup_url,
			'backup_url'   => $backup_url,
			'original_url' => $media->get_fullsize_url(),
			'media_id'     => $media->get_id(),
			'width'        => $dimensions['width'],
			'height'       => $dimensions['height'],
		] );

if ( wp_doing_ajax() ) {
			?>
			<script type="text/javascript">jQuery( window ).trigger( 'comparisonprinted.imagify', [ <?php echo $media->get_id(); ?> ] ); </script>
			<?php
		}
	}

/**
	 * Add the folder_id and folder_path properties to the $item if not set yet.
	 * It may happen if the $item doesn't come from the prepare() method.
	 *
	 * @since  1.7
	 * @access protected
	 * @author Grégory Viguier
	 *
	 * @param  object $item The current item. It must contain at least a $process property.
	 * @return object       The current item.
	 */
	protected function maybe_set_item_folder( $item ) {
		if ( isset( $item->folder_path ) ) {
			return $item;
		}

$item->folder_id   = 0;
		$item->folder_path = false;

$row = $item->process->get_data()->get_row();

if ( empty( $row['folder_id'] ) ) {
			return $item;
		}

$folder = Imagify_Folders_DB::get_instance()->get( $row['folder_id'] );

if ( ! $folder ) {
			return $item;
		}

$item->folder_id        = $folder['folder_id'];
		$item->folder_path      = $folder['path'];
		$item->is_folder_active = (bool) $folder['active'];

return $item;
	}

/**
	 * Get the name of the default primary column.
	 *
	 * @since  1.7
	 * @access protected
	 * @author Grégory Viguier
	 *
	 * @return string Name of the default primary column, in this case, 'title'.
	 */
	protected function get_default_primary_column_name() {
		return 'title';
	}

/**
	 * Get a list of CSS classes for the WP_List_Table table tag.
	 *
	 * @since  1.7
	 * @access protected
	 * @author Grégory Viguier
	 *
	 * @return array List of CSS classes for the table tag.
	 */
	protected function get_table_classes() {
		return array( 'widefat', 'fixed', 'striped', 'media', $this->_args['plural'] );
	}

/**
	 * Allow to save the screen options when submitted by the user.
	 *
	 * @since  1.7
	 * @access public
	 * @author Grégory Viguier
	 *
	 * @param  bool|int $status Screen option value. Default false to skip.
	 * @param  string   $option The option name.
	 * @param  int      $value  The number of rows to use.
	 * @return int|bool
	 */
	public static function save_screen_options( $status, $option, $value ) {
		if ( self::PER_PAGE_OPTION === $option ) {
			return (int) $value;
		}

return $status;
	}

/**
	 * Get the requested folder filter.
	 *
	 * @since  1.7
	 * @access public
	 * @author Grégory Viguier
	 *
	 * @return string
	 */
	public static function get_folder_filter() {
		static $filter;

if ( ! isset( $filter ) ) {
			$filter = filter_input( INPUT_GET, 'folder-filter', FILTER_VALIDATE_INT );
			$filter = max( 0, $filter );
		}

return $filter;
	}

/**
	 * Get the requested status filter.
	 *
	 * @since  1.7
	 * @access public
	 * @author Grégory Viguier
	 *
	 * @return string
	 */
	public static function get_status_filter() {
		static $filter;

if ( isset( $filter ) ) {
			return $filter;
		}

$values = array(
			'optimized'   => 1,
			'unoptimized' => 1,
			'errors'      => 1,
		);
		$filter = trim( filter_input( INPUT_GET, 'status-filter', FILTER_SANITIZE_STRING ) );
		$filter = isset( $values[ $filter ] ) ? $filter : '';

return $filter;
	}
}

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