public static T ToObject <T>(this FormPostResult result, string dataFieldName) where T : new()
{
var fieldValue = result?.Fields?.GetValues(dataFieldName)?.FirstOrDefault();
if (string.IsNullOrWhiteSpace(fieldValue))
{
return(default(T));
}
var serializer = new JsonSerializer();
var data = serializer.Deserialize <T>(fieldValue);
return(data);
}
public static async Task <FormPostResult> ProcessFormPostAsync(this ApiController controller,
string destinationFolder, Func <string, string> getDestinationFileName = null,
Func <string, string> getEnforcedFileNameExtension = null, IImageProcessor imageProcessor = null)
{
if (Directory.Exists(destinationFolder))
{
var filesToBeDeleted = Directory.GetFiles(destinationFolder, "BodyPart_*");
foreach (var fileToBeDeleted in filesToBeDeleted)
{
File.Delete(fileToBeDeleted);
}
}
else
{
Directory.CreateDirectory(destinationFolder);
}
var request = controller.Request;
if (!request.Content.IsMimeMultipartContent())
{
return(new FormPostResult()
.WithProcessResult(ProcessResultType.UnsupportedMediaType, "Media type is not supported"));
}
var provider = new MultipartFormDataStreamProvider(destinationFolder);
await request.Content.ReadAsMultipartAsync(provider);
var result = new FormPostResult
{
Files = provider.FileData
.Select(x => new UploadFileInfoDto
{
MediaType = x.Headers.ContentType.MediaType,
FileName = x.Headers.ContentDisposition.FileName.Replace("\"", string.Empty),
TempFileName = x.LocalFileName
}).ToList(),
Fields = provider.FormData
};
var exceptions = new List <Exception>();
foreach (var uploadFileInfo in result.Files)
{
try
{
var tempFile = Path.Combine(destinationFolder, uploadFileInfo.TempFileName);
var processedFile = tempFile;
if (imageProcessor != null)
{
processedFile = Path.Combine(destinationFolder, Guid.NewGuid().ToString());
imageProcessor.Process(tempFile, processedFile);
}
var fileName = getDestinationFileName?.Invoke(uploadFileInfo.FileName) ?? uploadFileInfo.FileName;
if (getEnforcedFileNameExtension == null)
{
uploadFileInfo.FullFilePath = Path.Combine(destinationFolder, fileName);
}
else
{
uploadFileInfo.FullFilePath = Path.Combine(destinationFolder,
Path.GetFileNameWithoutExtension(fileName) + '.' +
getEnforcedFileNameExtension(fileName).TrimStart('.'));
}
if (File.Exists(uploadFileInfo.FullFilePath))
{
File.Delete(uploadFileInfo.FullFilePath);
}
File.Move(processedFile, uploadFileInfo.FullFilePath);
File.Delete(processedFile);
}
catch (Exception ex)
{
exceptions.Add(ex);
}
}
result = exceptions.Any()
? result.WithProcessResult(exceptions)
: result.WithProcessResult(ProcessResultType.Ok);
return(result);
}
