Exemplo n.º 1
0
        public string UploadAttachment(FormCollection coll)
        {
            try
            {
                System.Net.ServicePointManager.SecurityProtocol = System.Net.SecurityProtocolType.Tls12;
                DataControl.CurrentInfo objCur = new DataControl.CurrentInfo();
                string companyCode             = objCur.GetCompanyCode();
                string newFilename             = string.Empty;
                var    container = Microsoft.WindowsAzure.Storage.CloudStorageAccount.Parse(
                    ConfigurationManager.AppSettings["NBBLOBACCKEY"]).CreateCloudBlobClient()
                                   .GetContainerReference(companyCode.ToLower());
                container.CreateIfNotExists();

                //int blocksCount = int.Parse(coll["blocksCount"].ToString());
                //string fileName = coll["fileName"].ToString();
                //long fileSize = long.Parse(coll["fileSize"].ToString());

                int    blocksCount = int.Parse(coll["blocksCount"].ToString());
                string fileName    = coll["fileName"].ToString();
                fileName    = fileName.Substring(fileName.LastIndexOf("\\") + 1);
                newFilename = fileName;
                string fileExtenstion = fileName.Substring(fileName.LastIndexOf("."));
                long   fileSize       = long.Parse(coll["fileSize"].ToString());
                newFilename = newFilename.Substring(0, newFilename.LastIndexOf('.'));
                newFilename = newFilename.ToString().Trim().Replace(" ", "_");

                //Special Character are replaced.
                newFilename = Regex.Replace(newFilename, @"[^0-9a-zA-Z_]+", "_");

                fileName = newFilename + "_" + objCur.GetUserName() + "_" + DateTime.Now.ToString("ddMMyyyyHHmmssfff") + fileExtenstion;

                var fileToUpload = new MVCModels.CloudFile()
                {
                    BlockCount          = blocksCount,
                    FileName            = fileName,
                    Size                = fileSize,
                    BlockBlob           = container.GetBlockBlobReference(fileName),
                    StartTime           = DateTime.Now,
                    IsUploadCompleted   = false,
                    UploadStatusMessage = string.Empty
                };
                Session.Add("CurrentFile", fileToUpload);
                return(fileName);
            }
            catch (Exception ex)
            {
                Dictionary <string, string> dicContext = new Dictionary <string, string>();

                dicContext.Add("Method:", MethodBase.GetCurrentMethod().Name);

                DataControl.Impl.ExceptionHandler.WriteLog(ex, dicContext);

                throw ex;
            }
        }
Exemplo n.º 2
0
        public ActionResult UploadChunk(int id)
        {
            try
            {
                HttpPostedFileBase request = Request.Files["Slice"];
                byte[]             chunk   = new byte[request.ContentLength];
                request.InputStream.Read(chunk, 0, Convert.ToInt32(request.ContentLength));
                JsonResult returnData  = null;
                string     fileSession = "CurrentFile";
                if (Session[fileSession] != null)
                {
                    MVCModels.CloudFile model = (MVCModels.CloudFile)Session[fileSession];
                    returnData = UploadCurrentChunk(model, chunk, id);
                    if (returnData != null)
                    {
                        return(returnData);
                    }
                    if (id == model.BlockCount)
                    {
                        return(CommitAllChunks(model));
                    }
                }
                else
                {
                    returnData = Json(new
                    {
                        error       = true,
                        isLastBlock = false,
                        message     = string.Format(CultureInfo.CurrentCulture,
                                                    "Failed to Upload file.", "Session Timed out")
                    });
                    return(returnData);
                }

                return(Json(new { error = false, isLastBlock = false, message = string.Empty }));
            }
            catch (Exception ex)
            {
                Dictionary <string, string> dicContext = new Dictionary <string, string>();

                dicContext.Add("Method:", MethodBase.GetCurrentMethod().Name);

                DataControl.Impl.ExceptionHandler.WriteLog(ex, dicContext);

                throw ex;
            }
        }
Exemplo n.º 3
0
        private ActionResult CommitAllChunks(MVCModels.CloudFile model)
        {
            model.IsUploadCompleted = true;
            bool errorInOperation = false;

            try
            {
                var blockList = Enumerable.Range(1, (int)model.BlockCount).ToList <int>().ConvertAll(rangeElement =>
                                                                                                     Convert.ToBase64String(Encoding.UTF8.GetBytes(
                                                                                                                                string.Format(CultureInfo.InvariantCulture, "{0:D4}", rangeElement))));
                model.BlockBlob.PutBlockList(blockList);
                var    duration        = DateTime.Now - model.StartTime;
                float  fileSizeInKb    = model.Size / 1024;
                string fileSizeMessage = fileSizeInKb > 1024 ?
                                         string.Concat((fileSizeInKb / 1024).ToString(CultureInfo.CurrentCulture), " MB") :
                                         string.Concat(fileSizeInKb.ToString(CultureInfo.CurrentCulture), " KB");
                model.UploadStatusMessage = string.Format(CultureInfo.CurrentCulture,
                                                          "File uploaded successfully. {0} took {1} seconds to upload",
                                                          fileSizeMessage, duration.TotalSeconds);
            }
            catch (Exception e)
            {
                model.UploadStatusMessage = "Failed to Upload file. Exception - " + e.Message;
                errorInOperation          = true;

                Dictionary <string, string> dicContext = new Dictionary <string, string>();

                dicContext.Add("Method:", MethodBase.GetCurrentMethod().Name);

                DataControl.Impl.ExceptionHandler.WriteLog(e, dicContext);
            }
            finally
            {
            }
            return(Json(new
            {
                error = errorInOperation,
                isLastBlock = model.IsUploadCompleted,
                message = model.UploadStatusMessage
            }));
        }
Exemplo n.º 4
0
        private JsonResult UploadCurrentChunk(MVCModels.CloudFile model, byte[] chunk, int id)
        {
            try
            {
                using (var chunkStream = new MemoryStream(chunk))
                {
                    var blockId = Convert.ToBase64String(Encoding.UTF8.GetBytes(
                                                             string.Format(CultureInfo.InvariantCulture, "{0:D4}", id)));
                    try
                    {
                        model.BlockBlob.PutBlock(
                            blockId,
                            chunkStream, null, null,
                            new BlobRequestOptions()
                        {
                            RetryPolicy = new LinearRetry(TimeSpan.FromSeconds(10), 3)
                        },
                            null);
                        return(null);
                    }
                    catch (StorageException e)
                    {
                        Session.Remove("CurrentFile");
                        model.IsUploadCompleted   = true;
                        model.UploadStatusMessage = "Failed to Upload file. Exception - " + e.Message;
                        return(Json(new { error = true, isLastBlock = false, message = model.UploadStatusMessage }));
                    }
                }
            }
            catch (Exception ex)
            {
                Dictionary <string, string> dicContext = new Dictionary <string, string>();

                dicContext.Add("Method:", MethodBase.GetCurrentMethod().Name);

                DataControl.Impl.ExceptionHandler.WriteLog(ex, dicContext);

                throw ex;
            }
        }