public int Save(SaveNodeViewModel viewModel)
{
using (var context = new DataModel())
{
var node = !viewModel.Id.HasValue ? AddNode(context, viewModel) : SaveNode(context, viewModel);
context.SaveChanges();
return node.Id;
}
}
private Node AddNode(DataModel context, SaveNodeViewModel viewModel)
{
var node = Mapper.Map<SaveNodeViewModel, Node>(viewModel);
if (viewModel.ParentId.HasValue)
{
var parent = context.Nodes.FirstOrDefault(x => x.Id == viewModel.ParentId);
if (parent == null)
throw new ArgumentException("Parent node was not found");
node.Parent = parent;
}
context.Nodes.Add(node);
return node;
}
private Node SaveNode(DataModel context, SaveNodeViewModel viewModel)
{
var node = context.Nodes.FirstOrDefault(x => x.Id == viewModel.Id);
if (node == null)
throw new ArgumentException("Node was not found");
Mapper.Map(viewModel, node);
if (viewModel.ParentId.HasValue && (node.Parent == null || viewModel.ParentId.GetValueOrDefault(-1) != node.Parent.Id))
{
var parent = context.Nodes.FirstOrDefault(x => x.Id == viewModel.ParentId);
if (parent == null)
throw new ArgumentException("Parent node was not found");
node.Parent = parent;
}
else if (!viewModel.ParentId.HasValue && node.Parent != null)
node.Parent = null;
return node;
}
public ActionResult Save(SaveNodeViewModel viewModel)
{
return Json(Orchestrator.Save(viewModel));
}