public async Task <IActionResult> Post()
{
if (!MultipartRequestHelper.IsMultipartContentType(Request.ContentType))
{
return(BadRequest("Did not get multipart data"));
}
var formAccumulator = new KeyValueAccumulator();
string targetFilePath = null;
string fileName = Guid.NewGuid().ToString().Trim();
string fileExtension = "";
var boundry = MultipartRequestHelper.GetBoundry(MediaTypeHeaderValue.Parse(Request.ContentType),
defaultFormOptions.MultipartBoundaryLengthLimit);
var reader = new MultipartReader(boundry, HttpContext.Request.Body);
var section = await reader.ReadNextSectionAsync();
while (section != null)
{
ContentDispositionHeaderValue contentDisposition;
var hasContentDisposition = ContentDispositionHeaderValue.TryParse(section.ContentDisposition, out contentDisposition);
if (hasContentDisposition)
{
if (MultipartRequestHelper.HasFileContentDispostion(contentDisposition))
{
fileExtension = Path.GetExtension(HeaderUtilities.RemoveQuotes(contentDisposition.FileName) + "").Trim();
targetFilePath = Path.Combine("DataSets", fileName) + fileExtension;
using (var targetStream = System.IO.File.Create(targetFilePath))
{
await section.Body.CopyToAsync(targetStream);
}
}
else if (MultipartRequestHelper.HasFormDataContentDispostion(contentDisposition))
{
var key = HeaderUtilities.RemoveQuotes(contentDisposition.Name);
var encoding = GetEncoding(section);
using (var streamReader = new StreamReader(
section.Body,
encoding,
detectEncodingFromByteOrderMarks: true,
bufferSize: 1024,
leaveOpen: true))
{
var value = await streamReader.ReadToEndAsync();
if (string.Equals(value, "undefined", StringComparison.OrdinalIgnoreCase))
{
value = string.Empty;
}
formAccumulator.Append(key + "", value);
if (formAccumulator.ValueCount > defaultFormOptions.ValueCountLimit)
{
throw new InvalidDataException("Form key limit exceeded");
}
}
}
}
section = await reader.ReadNextSectionAsync();
}
var dataSet = new DataSetViewModel();
var formValueProvider = new FormValueProvider(BindingSource.Form,
new FormCollection(formAccumulator.GetResults()),
CultureInfo.CurrentCulture);
var bindingSuccessful = await TryUpdateModelAsync(dataSet, prefix : "", valueProvider : formValueProvider);
if (bindingSuccessful)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
else
{
var _id = Guid.Parse(userManager.GetUserId(User));
Profile profile = dataCenterContext.Profiles.Where(x => x.Id == _id).First();
DataSet myDataSet = new DataSet
{
Id = Guid.Parse(fileName),
Name = dataSet.Name,
Description = dataSet.Description,
URL = "/DataSets/" + fileName + fileExtension
};
ProfileDataSet profileDataSet = new ProfileDataSet
{
DataSet = myDataSet,
Profile = profile
};
dataCenterContext.Add(profileDataSet);
dataCenterContext.SaveChanges();
}
}
return(Ok("/DataSets/" + fileName + fileExtension));
}