public async Task <BlResult> DeleteAsync(int id)
{
BlResult blResult = new BlResult();
try
{
var entity = await _graphRepository.GetByIdWithReferencAsync(id);
if (entity != null)
{
if (entity.Nodes.Count > 0)
{
blResult.Fail(ConstDictionary.CantDeleteGraphWithChildes);
}
else
{
EnsureTransaction();
_graphRepository.Delete(id);
await SaveChangesAsync();
blResult.Success();
}
}
else
{
throw new ArgumentException();
}
}
catch (ArgumentException)
{
blResult.Fail(BLErrorCodeTypeEnum.NoSuchEntityExistsWithID);
}
catch (Exception ex)
{
blResult.Fail(BLErrorCodeTypeEnum.Unknown, ex);
}
return(blResult);
}
