private ImageEntity CreateImageEntity(FileEntity file, ImageSizeType imageSizeType)
 {
     return(new ImageEntity
     {
         Binary = ImageResizer.CreateImagePreview(file.Binary, imageSizeType),
         ImageId = this.GuidGenerator.GenerateGuid(),
         OriginalFileId = file.FileId,
         SizeType = imageSizeType
     });
 }