/// <summary>
/// Save picture on file system
/// </summary>
/// <param name="pictureId">Picture identifier</param>
/// <param name="pictureBinary">Picture binary</param>
/// <param name="mimeType">MIME type</param>
protected virtual void SavePictureInFile(int pictureId, byte[] pictureBinary, string mimeType)
{
var lastPart = GetFileExtensionFromMimeType(mimeType);
var fileName = $"{pictureId:0000000}_0.{lastPart}";
_fileProvider.WriteAllBytes(GetPictureLocalPath(fileName), pictureBinary);
}