public async Task <Result> DeleteAsync([Required] string fileToken, [Required] string ownerToken)
{
if (!DecodeAndCheckFileToken(fileToken, out FileToken fToken, out DataResult <object> errResult))
{
return(errResult);
}
if (!DecodeAndCheckOwnerToken(ownerToken, out OwnerToken oToken, out errResult))
{
return(errResult);
}
var fOwner = await _fileData.GetFileOwnerByIdAsync(fToken.FileOwnerId, fToken.PseudoId);
if (fOwner == null)
{
return(new Result(ResultErrorCodes.Failure, "记录不存在或已被删除"));
}
if (fOwner.OwnerId != oToken.OwnerId || fOwner.OwnerType != oToken.OwnerType)
{
return(new Result(ResultErrorCodes.Unauthorized, "您不是此文件的拥有者"));
}
var fileInfo = await _fileData.GetFileByIdAsync(fToken.PseudoId, fToken.FileId);
var remainRefCount = await _fileData.DeleteFileAsync(fOwner.Id, fToken.FileId, fToken.PseudoId);
if (remainRefCount < 1)
{
//引用计数为0，物理删除
var server = _clusterSvce.GetServerById(fileInfo.ServerId);
await _clusterSvce.DeleteFileAsync(_storageSvce, fToken.PseudoId, fToken.FileCreateTime, fToken.FileId, server);
}
//删除已使用的配额
await _ownerData.DecreaseOwnerUsedQuotaAsync(oToken.OwnerType, oToken.OwnerId, fileInfo.Length);
return(new Result(ResultErrorCodes.Success));
}