Beispiel #1
0
        public async Task<BlResult<NodeModel>> SaveAsync(NodeModel nodeModel)
        {
            BlResult<NodeModel> blResult = new BlResult<NodeModel>();

            try
            {
                if (nodeModel is null)
                {
                    throw new ArgumentNullException(nameof(NodeModel));
                }

                EnsureTransaction();

                var fetchedEntity = await _nodeRepository.GetByIdAsync(nodeModel.Id);
                fetchedEntity = _mapper.Map(nodeModel, fetchedEntity);
                var attributesToDelete = fetchedEntity.NodeAttributes.
                  Where(x => !nodeModel.NodeAttributes.Any(y => y.Id == x.Id)).ToList();
                var attributesToAdd = nodeModel.NodeAttributes.
                    Where(x => !fetchedEntity.NodeAttributes.Any(y => y.Id == x.Id)).Select(z => z.Id);

                if (nodeModel.Id > 0)
                {
                    _nodeRepository.Edit(fetchedEntity);
                }
                else
                {
                    fetchedEntity = _nodeRepository.Add(fetchedEntity);
                }

                await SaveChangesAsync(false);

                if (attributesToDelete != null && attributesToDelete.Count() > 0)
                {
                    foreach (var item in attributesToDelete)
                    {
                        fetchedEntity.NodeAttributes.Remove(item);
                    }
                    await SaveChangesAsync(false);
                }

                if (attributesToAdd != null && attributesToAdd.Count() > 0)
                {
                    await _nodeRepository.AddAttribuets(fetchedEntity, attributesToAdd);
                    await SaveChangesAsync(false);
                }

                await SaveChangesAsync();

                blResult.Success(_mapper.Map<NodeModel>(fetchedEntity));

            }
            catch (ArgumentNullException)
            {
                blResult.Fail(BLErrorCodeTypeEnum.ArgumentIsNull);
            }
            catch (Exception ex)
            {
                blResult.Fail(BLErrorCodeTypeEnum.Unknown, ex.Message, ex);
            }

            return blResult;
        }