local ThumbnailModel = {} function ThumbnailModel.new() local self = {} return self end function ThumbnailModel.mock() local self = ThumbnailModel.new() self.image = "imageToken" self.width = 0 self.height = 0 return self end function ThumbnailModel.fromWeb(data) local self = {} self.image = data or "" return self end return ThumbnailModel