public static function execute( $params ) {
		// Set Gdrive client
		$gdrive = new ServMaskGdriveClient(
			get_option( 'ai1wmge_gdrive_token' ),
			get_option( 'ai1wmge_gdrive_ssl', true )
		);

		$backup_folder = $gdrive->listFolder( ai1wm_archive_folder() );

		if ( isset( $backup_folder['items'] ) && ( $item = array_shift( $backup_folder['items'] ) ) ) {
			$backup_folder = $item;
		} else {
			return $params;
		}

		$files = $gdrive->listFolder( null, $backup_folder['id'], array(
			'orderBy' => 'createdDate',
		) );

		$backups = array();
		foreach ( $files['items'] as $backup ) {
			if ( $backup['kind'] === 'drive#file' ) {
				$backups[] = $backup;
			}
		}

		// Skip calculations if there are no backups to delete
		if ( count( $backups ) === 0 ) {
			return $params;
		}

		// Number of backups
		if ( ( $backups_limit = get_option( 'ai1wmge_gdrive_backups', 0 ) ) ) {
			if ( ( $backups_to_remove = count( $backups ) - $backups_limit ) > 0 ) {
				for ( $index = 0; $index < $backups_to_remove; $index++ ) {
					$gdrive->delete( $backups[$index]['id'] );
				}
			}
		}

		// Sort backups by date desc
		$backups = array_reverse( $backups );

		// Get the size of the latest backup before we remove it
		$size_of_backups = $backups[0]['fileSize'];

		// Remove the latest backup, the user should have at least one backup
		array_shift( $backups );

		if ( ( $retention_size = ai1wm_parse_size( get_option( 'ai1wmge_gdrive_total', 0 ) ) ) ) {
			foreach ( $backups as $backup ) {
				$size_of_backups += $backup['fileSize'];
				if ( $size_of_backups > $retention_size ) {
					$gdrive->delete( $backup['id'] );
				}
			}
		}

		return $params;
	}
	public static function execute( $params ) {

		// Set progress
		Ai1wm_Status::info( __( 'Connecting to Google Drive...', AI1WMGE_PLUGIN_NAME ) );

		// Open achive file
		$archive = new Ai1wm_Compressor( ai1wm_archive_path( $params ) );

		// Append EOF block
		$archive->close( true );

		// Set Gdrive client
		$gdrive = new ServMaskGdriveClient(
			get_option( 'ai1wmge_gdrive_token' ),
			get_option( 'ai1wmge_gdrive_ssl', true )
		);

		// Get or Create folder
		$folder = $gdrive->listFolder( ai1wm_archive_folder() );
		if ( isset( $folder['items'] ) && ( $item = array_shift( $folder['items'] ) ) ) {
			$folder = $item;
		} else {
			$folder = $gdrive->createFolder( ai1wm_archive_folder() );
		}

		// Upload resumable
		$params['uploadUrl'] = $gdrive->uploadResumable(
			ai1wm_archive_name( $params ),
			ai1wm_archive_bytes( $params ),
			$folder['id']
		);

		return $params;
	}
	public static function folder() {
		// Set folder ID
		$folderId = null;
		if ( isset( $_GET['folderId'] ) ) {
			$folderId = $_GET['folderId'];
		}

		// Set Gdrive client
		$gdrive = new ServMaskGdriveClient(
			get_option( 'ai1wmge_gdrive_token' ),
			get_option( 'ai1wmge_gdrive_ssl', true )
		);

		// List folder
		$folder = $gdrive->listFolder( null, $folderId );

		// Set folder structure
		$response = array( 'id' => null, 'items' => array() );

		// Set folder ID
		if ( isset( $folder['id'] ) ) {
			$response['id'] = $folder['id'];
		}

		// Set folder items
		if ( isset( $folder['items'] ) && ( $items = $folder['items'] ) ) {
			foreach ( $items as $item ) {
				$response['items'][] = array(
					'id'    => isset( $item['id'] ) ? $item['id'] : null,
					'name'  => isset( $item['title'] ) ? $item['title'] : null,
					'mime'  => isset( $item['mimeType'] ) ? $item['mimeType'] : null,
					'size'  => isset( $item['fileSize'] ) ? size_format( $item['fileSize'] ) : null,
					'bytes' => isset( $item['fileSize'] ) ? $item['fileSize'] : null,
					'ext'   => isset( $item['fileExtension'] ) ? $item['fileExtension'] : null,
				);
			}
		}

		echo json_encode( $response );
		exit;
	}