private static bool TryParseUploadedFileMetadata(
IFormFile file,
string rawFileType,
string rawImageSize,
out IUploadedFileMetadata uploadedFileMetadata,
out string error)
{
uploadedFileMetadata = null;
error = null;
if (string.IsNullOrEmpty(rawFileType))
{
uploadedFileMetadata = new GenericUploadedFileMetadata(file.FileName, file.ContentType, file.Length);
return(true);
}
if (!Enum.TryParse <FileType>(rawFileType, true, out var fileType))
{
error = $"Cannot parse '{Http.HeaderNames.AmsFileType}' header value '{fileType}'";
return(false);
}
switch (fileType)
{
case FileType.SizeSpecificBitmapImage:
if (!ImageSize.TryParse(rawImageSize, out var imageSize))
{
error = $"Cannot parse '{Http.HeaderNames.AmsImageSize}' header value '{rawImageSize}'";
return(false);
}
uploadedFileMetadata = new UploadedImageMetadata(file.FileName, file.ContentType, file.Length, imageSize);
return(true);
default:
error = $"Unexpected '{Http.HeaderNames.AmsFileType}' header value '{fileType}'";
return(false);
}
}
