public async Task <BlResult <GraphModel> > SaveAsync(GraphModel graphModel)
{
BlResult <GraphModel> blResult = new BlResult <GraphModel>();
try
{
if (graphModel is null)
{
throw new ArgumentException();
}
EnsureTransaction();
var fetchedEntity = await _graphRepository.GetByIdWithReferencAsync(graphModel.Id);
fetchedEntity = _mapper.Map(graphModel, fetchedEntity);
if (graphModel.Id > 0)
{
_graphRepository.Edit(fetchedEntity);
}
else
{
fetchedEntity = _graphRepository.Add(fetchedEntity);
await SaveChangesAsync();
NodeModel nodeModel = new NodeModel()
{
Name = fetchedEntity.Name,
GraphId = fetchedEntity.Id,
Data = "Entery node for graph " + fetchedEntity.Name,
NodeAttributes = new System.Collections.ObjectModel.ObservableCollection <AttributeDescriptionModel>()
{
new AttributeDescriptionModel()
{
Id = (int)AttributesTypesEnum.EnteryNode
}
}
};
if (fetchedEntity.IsAbstract)
{
nodeModel.NodeAttributes.Add(new AttributeDescriptionModel()
{
Id = (int)AttributesTypesEnum.Abstract
});
}
var result = await _nodeService.SaveAsync(nodeModel);
if (result.Succeed)
{
EnsureTransaction();
fetchedEntity.EnteryNodeId = result.Value.Id;
_graphRepository.Edit(fetchedEntity);
}
else
{
RollbackTransaction();
throw result.Exception;
}
}
await SaveChangesAsync();
blResult.Success(_mapper.Map <GraphModel>(fetchedEntity));
}
catch (ArgumentException)
{
blResult.Fail(ConstDictionary.CantSaveNullModel);
}
catch (Exception ex)
{
blResult.Fail(ex);
}
return(blResult);
}
