/// <summary>
/// Uploads prepare.
/// 此时会把文件记录到临时表，DFS为空，reversion从file表中获取，该文件ID不代表在File中的ID
/// </summary>
/// <returns></returns>
public JsonResult UploadPrepare(UploadPrepareModel model)
{
//FileName
OauthTokenPair pair = unitOfWork.TokenReposity.GetTokenPair(model.oauth_token);
NetDiskUser user = unitOfWork.UserRepositiry.dbSet.SingleOrDefault(u => u.UserId == pair.UserId);
db.NetdiskUsers.Attach(user);
FileUncomplete fileUncomplete = new FileUncomplete
{
FileName = model.FileName.GetFileName(),
FilePath = model.FileName.GetFilePath(),
FileSize = model.FileSize,
Hash = model.Hash,
IsCompleted = false,
Owner = user
};
UploadPrepareViewModel viewmodel = new UploadPrepareViewModel();
//以该hash的的相同路径的最新版本作为当前版本
File thisVersion = db.Files.Where(f => f.FileName == fileUncomplete.FileName && f.FilePath == fileUncomplete.FilePath && f.Hash == model.Hash && !f.IsDeleted).OrderByDescending(f => f.Id).FirstOrDefault();
if (thisVersion != null)
{
viewmodel.IsExitsRemote = true;
}
else
{
viewmodel.IsExitsRemote = false;
}
if (viewmodel.IsExitsRemote)
{
viewmodel.RemoteId = thisVersion.Id;
viewmodel.RemoteHash = thisVersion.Hash;
viewmodel.RemoteReversion = thisVersion.Reversion;
}
else
{
try
{
db.FileUncomplete.Add(fileUncomplete);
db.SaveChanges();
viewmodel.ret = 0;
viewmodel.Id = fileUncomplete.Id;
viewmodel.hash = fileUncomplete.Hash;
viewmodel.DFSPath = "\\" + fileUncomplete.Hash;
}
catch (System.Exception ex)
{
viewmodel.ret = -1;
viewmodel.msg = "save file to FileUncomplete failed!err info:" + ex.Message;
}
}
return(Json(viewmodel, JsonRequestBehavior.AllowGet));
}
public void Save()
{
context.SaveChanges();
}
