Beispiel #1
0
        public async Task <List <string> > PostAsync()
        {
            Dictionary <string, string> queryParam = new Dictionary <string, string>();

            if (Request.Content.IsMimeMultipartContent())
            {
                string uploadPath = HttpContext.Current.Server.MapPath("~/uploads");
                //string current_path = Request.RequestUri.ParseQueryString()["currentPath"];
                //MyStreamProvider streamProvider = new MyStreamProvider(uploadPath);
                var streamProvider = new MultipartMemoryStreamProvider();
                await Request.Content.ReadAsMultipartAsync(streamProvider);

                //var queryParameters = Request.GetQueryNameValuePairs().ToDictionary(x => x.Key, x => x.Value);

                List <string> messages    = new List <string>();
                string        currentPath = "";
                foreach (var file in streamProvider.Contents)
                {
                    string name       = file.Headers.ContentDisposition.Name.Replace("\"", "");
                    var    dataStream = await file.ReadAsStreamAsync();

                    if (!name.Equals("file"))
                    {
                        byte[] content = new byte[dataStream.Length];
                        dataStream.Read(content, 0, (int)dataStream.Length);
                        string currentParam = System.Text.Encoding.UTF8.GetString(content);
                        queryParam.Add(name, currentParam);
                        continue;
                    }
                    else
                    {
                        long   chunkIndex          = Int64.Parse(queryParam["resumableChunkNumber"]);
                        long   totalFileSize       = Int64.Parse(queryParam["resumableTotalSize"]);
                        long   totalNumberOfChunks = Int64.Parse(queryParam["resumableTotalChunks"]);
                        long   chunkSize           = Int64.Parse(queryParam["resumableChunkSize"]);
                        string blobPath            = queryParam["currentPath"] + "/" + queryParam["resumableFilename"];
                        dataServices.AddNewFileChunk(dataStream, chunkIndex, blobPath, totalFileSize);
                        if (chunkIndex == totalNumberOfChunks)
                        {
                            dataServices.CommitFileChunks(blobPath, (int)totalNumberOfChunks);
                        }
                    }
                }

                return(messages);
            }
            else
            {
                HttpResponseMessage response = Request.CreateResponse(HttpStatusCode.BadRequest, "Invalid Request!");
                throw new HttpResponseException(response);
            }
        }