File Manager

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

add_filter( 'manage_media_columns', '_imagify_manage_media_columns' );
/**
 * Add "Imagify" column in upload.php.
 *
 * @since  1.0
 * @author Jonathan Buttigieg
 *
 * @param  array $columns An array of columns displayed in the Media list table.
 * @return array
 */
function _imagify_manage_media_columns( $columns ) {
	if ( imagify_get_context( 'wp' )->current_user_can( 'optimize' ) ) {
		$columns['imagify_optimized_file'] = __( 'Imagify', 'imagify' );
	}

	return $columns;
}

add_action( 'manage_media_custom_column', '_imagify_manage_media_custom_column', 10, 2 );
/**
 * Add content to the "Imagify" columns in upload.php.
 *
 * @since  1.0
 * @author Jonathan Buttigieg
 *
 * @param string $column_name   Name of the custom column.
 * @param int    $attachment_id Attachment ID.
 */
function _imagify_manage_media_custom_column( $column_name, $attachment_id ) {
	if ( 'imagify_optimized_file' !== $column_name ) {
		return;
	}

	$process = imagify_get_optimization_process( $attachment_id, 'wp' );

	echo get_imagify_media_column_content( $process );
}

add_filter( 'request', '_imagify_sort_attachments_by_status' );
/**
 * Modify the query based on the imagify-status variable in $_GET.
 *
 * @since  1.0
 * @author Jonathan Buttigieg
 *
 * @param  array $vars The array of requested query variables.
 * @return array
 */
function _imagify_sort_attachments_by_status( $vars ) {
	if ( empty( $_GET['imagify-status'] ) || ! Imagify_Views::get_instance()->is_wp_library_page() ) { // WPCS: CSRF ok.
		return $vars;
	}

	$status       = wp_unslash( $_GET['imagify-status'] ); // WPCS: CSRF ok.
	$meta_key     = '_imagify_status';
	$meta_compare = '=';
	$relation     = array();

	switch ( $status ) {
		case 'unoptimized':
			$meta_key     = '_imagify_data';
			$meta_compare = 'NOT EXISTS';
			break;
		case 'optimized':
			$status   = 'success';
			$relation = array(
				'key'     => $meta_key,
				'value'   => 'already_optimized',
				'compare' => $meta_compare,
			);
			break;
		case 'errors':
			$status = 'error';
			break;
		default:
			return $vars;
	}

	$vars = array_merge( $vars, array(
		'meta_query' => array(
			'relation' => 'or',
			array(
				'key'     => $meta_key,
				'value'   => $status,
				'compare' => $meta_compare,
			),
			$relation,
		),
	) );

	if ( ! key_exists( 'post_mime_type', $vars ) ) {
		$vars['post_mime_type'] = imagify_get_mime_types();
	}

	return $vars;
}