booruReader.Model.FavoriteHandler.FormFilename C# (CSharp) Méthode

        private string FormFilename(string md5, string FullPictureURL)
        {
            string filename;

            if (FullPictureURL.ToLowerInvariant().Contains("jpg") || FullPictureURL.ToLowerInvariant().Contains("jpeg"))
                filename = ".jpg";
            else if (FullPictureURL.ToLowerInvariant().Contains("png"))
                filename = ".png";
            else if (FullPictureURL.ToLowerInvariant().Contains("gif"))
                filename = ".gif";
            else // This shouldn't happen
                filename = null;

            return md5 + filename;
        }