public async Task <PostFileResponse> PostFile(string guid, IFormFile file, CancellationToken token)
{
if (string.IsNullOrEmpty(guid))
{
throw new WebArgumentException(nameof(PostFile), nameof(guid), guid);
}
if (file.Length > Configuration.FileSize)
{
return(PostFileResponse.FileSizeError);
}
var solutionSet = await SolutionService.FetchSolutionSet(guid, token);
if (solutionSet == null)
{
return(PostFileResponse.IdentificationError);
}
var problemSet = await ProblemService.FetchProblemAsync(solutionSet.ProblemId, token);
if (problemSet == null)
{
return(PostFileResponse.ProblemIdentificationError);
}
if (file.Length > problemSet.SolutionSize)
{
return(PostFileResponse.FileSizeError);
}
using (var writer = new FileStream(Path.Combine(Configuration.FileLocation, file.FileName), FileMode.CreateNew))
{
await file.CopyToAsync(writer, token);
await writer.FlushAsync(token);
}
var result = await SolutionService.FinalizeSolutionSet(guid, token);
if (result == SolutionServiceResult.Full)
{
return(PostFileResponse.Full);
}
if (result == SolutionServiceResult.Incomplete || result == SolutionServiceResult.StartOver)
{
return(PostFileResponse.Failure);
}
return(PostFileResponse.Success);
}