public PermissionType GetFilePermission(Guid fileId, Guid userId)
{
FilePermissionModel fpm = _unitOfWork.FilePermissionRepository
.Find(p => p.User.Id == userId && p.File.Id == fileId)
.FirstOrDefault();
return(fpm == null ? PermissionType.None : fpm.Value);
}
public void SetFilePermission(Guid fileId, Guid ownerId, Guid userId, PermissionType permission)
{
FileModel fileModel = _unitOfWork.FileRepository.Get(fileId);
if (fileModel == null)
{
throw new Exception();
}
if (fileModel.OwnerId != ownerId)
{
throw new Exception();
}
UserModel userModel = _unitOfWork.UserRepository.Get(userId);
if (userModel == null)
{
throw new Exception();
}
if (fileModel.OwnerId == userId)
{
throw new Exception();
}
FilePermissionModel fpm = _unitOfWork.FilePermissionRepository
.Find(p => p.UserId == userId && p.FileId == fileId)
.FirstOrDefault();
//Create
if (permission != PermissionType.None && fpm == null)
{
fpm = new FilePermissionModel()
{
User = userModel,
File = fileModel,
Value = permission
};
_unitOfWork.FilePermissionRepository.Create(fpm);
}
//Update
else if (permission != PermissionType.None && fpm != null)
{
fpm.Value = permission;
_unitOfWork.FilePermissionRepository.Update(fpm);
}
//Delete
else if (permission == PermissionType.None && fpm != null)
{
_unitOfWork.FilePermissionRepository.Delete(fpm.Id);
}
_unitOfWork.Save();
}
