public static File CreateDirectoryRecord(string name, string folder, string path, User user)
{
if (string.IsNullOrWhiteSpace(name))
{
throw new FileNameIsEmptyException();
}
var ret = new File()
{
// Name: 文件夹名
Name = name,
// Type: "text/directory"
Type = "text/directory",
// Folder: 上层目录名
Folder = folder,
// Path: 该文件夹的路径: Folder + Name
Path = path,
// Guid: [空]
Guid = null,
// StorageName: [空]
StorageName = "",
// User: 创建的用户
User = user,
// Status: 已确认
Status = FileStatus.Confirmed,
// Size: [空]
Size = 0,
// Md5: [空]
Md5 = null
};
ret.GetPermission();
return ret;
}
private IActionResult RequestUploadFile(FileUploadRequestModel requestModel, User loginUser)
{
var ofile = _databaseService.Files.
FirstOrDefault(s =>
s.Md5 == requestModel.Md5.ToLower() && // 哈希相等
s.Size == requestModel.Size && // 文件大小相等
s.Status == Models.Entities.File.FileStatus.Confirmed // 文件已上传完
);
var file = new EntityFile();
if (ofile != null)
{
file.Path = requestModel.Path;
file.Type = requestModel.Type;
file.Folder = Path.GetDirectoryName(requestModel.Path) ?? "";
file.Name = Path.GetFileName(requestModel.Path) ?? "";
file.Guid = ofile.Guid;
file.StorageName = ofile.StorageName;
file.User = loginUser;
file.Status = Models.Entities.File.FileStatus.Confirmed;
file.Size = ofile.Size;
file.Md5 = ofile.Md5.ToLower();
}
else
{
file.Path = requestModel.Path;
file.Type = requestModel.Type;
file.Folder = Path.GetDirectoryName(requestModel.Path) ?? "";
file.Name = Path.GetFileName(requestModel.Path) ?? "";
if (string.IsNullOrEmpty(file.Name))
{
throw new FileNameIsEmptyException("The file name is empty.");
}
file.Guid = Guid.NewGuid().ToString().ToLower();
// TODO 检查 Guid 是否有重复
file.StorageName = $"{file.Guid[0]}{file.Guid[1]}/{file.Guid[2]}{file.Guid[3]}/{file.Guid}{Path.GetExtension(requestModel.Path)}";
file.StorageName = Path.Join(_tencentCosManagement.Prefix, file.StorageName).Replace("\\", "/");
file.User = loginUser;
file.Status = Models.Entities.File.FileStatus.Pending;
file.Size = requestModel.Size;
file.Md5 = requestModel.Md5.ToLower();
}
// file.Path = file.Folder.Replace("\\", "/");
file.Folder = file.Folder.Replace("\\", "/");
file.GetPermission();
_databaseService.Files.Add(file);
Dictionary <string, object> token;
if (file.Status == Models.Entities.File.FileStatus.Pending)
{
try
{
token = _tencentCos.GetUploadToken(file);
}
catch (Exception e)
{
_logger.LogError(e, e.Message, e.Data);
throw new UnexpectedException(e.Message);
}
SetApiResultStatus(ApiResultStatus.StorageUploadContinue);
}
else
{
token = null;
SetApiResultStatus(ApiResultStatus.StorageUploadSkip);
}
_databaseService.SaveChanges();
return(Ok(new FileUploadRequestResultModel(file, token, _tencentCosManagement)));
}
