public async Task AddFile(AddFileDto fileDto, int userId, int clientId)
{
var fileStorageRepository = DataContextManager.CreateRepository <IFileStorageRepository>();
var parentFileStorage = await fileStorageRepository.GetById(fileDto.ParentId, userId, clientId);
if (parentFileStorage == null || !parentFileStorage.IsDirectory)
{
throw new NotFoundException("File storage", fileDto.ParentId);
}
var fileName = Path.GetFileNameWithoutExtension(fileDto.Name);
var fileExtension = Path.GetExtension(fileDto.Name);
var childFileStorages = await fileStorageRepository.GetByParentId(parentFileStorage.Id, userId, clientId);
if (childFileStorages.Any(x => !x.IsDirectory && x.Name.Equals(fileName) &&
x.Files.Any(y => y.IsActive && y.Extension.Equals(fileExtension))))
{
throw new FoundSameObjectException("File storage", fileName);
}
var owners = await _permissionHelper.GetOwners(parentFileStorage, userId, clientId);
var sizeInfo = fileDto.Size.ToPrettySize();
var blobName = Guid.NewGuid();
var newFileStorage = new FileStorage
{
Name = fileName,
ParentFileStorageId = parentFileStorage.Id,
IsDirectory = false,
CreateDate = DateTime.UtcNow,
CreateById = userId,
ClientId = owners.ClientId,
OwnerId = owners.OwnerId,
IsActive = true,
Files = new List <Models.File>
{
new Models.File
{
Extension = fileExtension,
Size = sizeInfo.Size,
SizeType = sizeInfo.SizeType,
IsActive = true,
CreateById = userId,
CreateDate = DateTime.UtcNow,
AzureBlobStorage = new AzureBlobStorage
{
BlobName = blobName
}
}
}
};
await _azureBlobClient.UploadFile(_blobSettings.ContainerName, blobName.ToString(), fileDto.Content.ToByteArray());
await fileStorageRepository.Add(newFileStorage);
}
public async Task <ActionResult> AddFile([FromBody] AddFileDto fileDto)
{
if (!IsAvailableOperation())
{
return(BadRequest());
}
await _fileStorageService.AddFile(fileDto, UserId, ClientId);
AddLog(Enums.LogType.Create, LogMessage.CreateSuccessByNameMessage(LogMessage.FileEntityName, fileDto.Name, LogMessage.CreateAction, UserId));
return(Ok());
}
private string SavePic(AddFileDto thisAttDto, out string saveFileName)
{
saveFileName = "";
string fileExtension = Path.GetExtension(thisAttDto.old_filename).ToLower(); //取得文件的扩展名,并转换成小写
string filepath = $"/Upload/Attachment/{DateTime.Now.ToString("yyyyMM")}/";
if (Directory.Exists(Server.MapPath(filepath)) == false) //如果不存在就创建文件夹
{
Directory.CreateDirectory(Server.MapPath(filepath));
}
string virpath = filepath + Guid.NewGuid().ToString() + fileExtension; //这是存到服务器上的虚拟路径
string mappath = Server.MapPath(virpath); //转换成服务器上的物理路径
//FileStream fs = new FileStream(oldPath, FileMode.Open, FileAccess.ReadWrite);
File.WriteAllBytes(mappath, thisAttDto.files as Byte[]);
// fileForm.SaveAs(mappath);//保存图片
//fs.Close();
saveFileName = virpath;
return("");
}
private void SaveSession()
{
var type_id = Request.Form["type_id"];
var name = Request.Form["name"];
var file = Request.Files["attFile"];
var attLink = Request.Form["attLink"];
if (!string.IsNullOrEmpty(type_id) && !string.IsNullOrEmpty(name))
{
var objectId = Request.QueryString["object_id"];
if (!string.IsNullOrEmpty(objectId))
{
var thisDto = new AddFileDto();
if (type_id == ((int)DicEnum.ATTACHMENT_TYPE.ATTACHMENT).ToString())
{
if (file != null && file.ContentLength < (10 << 20))
{
//FileStream fs = new FileStream(Request.Form["old_file_path"], FileMode.Open, FileAccess.Read);
thisDto.type_id = type_id;
thisDto.old_filename = file.FileName;
thisDto.new_filename = name;
thisDto.conType = file.ContentType;
thisDto.Size = file.ContentLength;
// thisDto.files = file;
Stream fileDataStream = file.InputStream;
byte[] buffur = new byte[file.ContentLength];
fileDataStream.Read(buffur, 0, file.ContentLength);
//fs.Read(buffur, 0, (int)fs.Length);
//thisDto.old_file_path = Request.Form["old_file_path"];
//fs.Close();
thisDto.files = buffur;
}
}
else
{
thisDto.type_id = type_id;
thisDto.old_filename = attLink;
thisDto.new_filename = name;
thisDto.files = attLink;
}
var sesNum = Session[objectId + "_Att"] as List <AddFileDto>;
if (sesNum != null && sesNum.Count > 0)
{
sesNum.Add(thisDto);
Session[objectId + "_Att"] = sesNum;
}
else
{
Session[objectId + "_Att"] = new List <AddFileDto>()
{
thisDto
};
// 需要存四个属性，类型，原文件名，新文件名，类型，文件流
}
}
}
}
public async Task <MultiPartRequestDto> HandleMultiPartRequest(HttpRequest request)
{
if (!IsMultipartContentType(request.ContentType))
{
throw new Exception($"Expected a multipart request, but got {request.ContentType}");
}
var formAccumulator = new KeyValueAccumulator();
var boundary = GetBoundary(
MediaTypeHeaderValue.Parse(request.ContentType),
_defaultFormOptions.MultipartBoundaryLengthLimit);
var reader = new MultipartReader(boundary, request.Body);
var section = await reader.ReadNextSectionAsync();
var media = new List <AddFileDto>();
while (section != null)
{
var hasContentDispositionHeader = ContentDispositionHeaderValue.TryParse(section.ContentDisposition, out var contentDisposition);
if (hasContentDispositionHeader)
{
if (HasFileContentDisposition(contentDisposition))
{
var processedMedia = await _fileService.ProcessStreamedFileAsync(section, contentDisposition);
var mediaDto = new AddFileDto
{
File = processedMedia,
FileExtension = Path.GetExtension(contentDisposition.FileName.Value),
};
media.Add(mediaDto);
}
else if (HasFormDataContentDisposition(contentDisposition))
{
var key = HeaderUtilities.RemoveQuotes(contentDisposition.Name).Value;
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 >
int.MaxValue)
{
throw new InvalidDataException($"Form key count limit {_defaultFormOptions.ValueCountLimit} exceeded.");
}
}
}
}
section = await reader.ReadNextSectionAsync();
}
//request.Body.Position = 0;
var formAccumulatorResults = formAccumulator.GetResults();
var formValueProvider = new FormValueProvider(
BindingSource.Form,
new FormCollection(formAccumulatorResults),
CultureInfo.CurrentCulture);
return(new MultiPartRequestDto
{
FormValueProvider = formValueProvider,
File = media,
});
}
