public async Task <VMGetNodes> CreateAsync(VMAddNodes node)
{
if (!_validator.Validate(node.Name))
{
throw new ArgumentException("Data not valid. Name must has maximum 30 chars.");
}
var level = _context.Nodes.Where(x => x.IdNode == node.ParentId).Select(x => x.Level).FirstOrDefault();
var newNode = new DbNode
{
Level = level + 1,
Name = node.Name,
ParentId = node.ParentId
};
var result = await _context.Nodes.AddAsync(newNode);
_context.SaveChanges();
var dbNode = result.Entity;
var viewModel = new VMGetNodes();
viewModel.IdNode = dbNode.IdNode;
viewModel.Level = dbNode.Level;
viewModel.Name = dbNode.Name;
viewModel.ParentId = dbNode.ParentId;
return(viewModel);
}
public async Task <VMGetNodes> UpdateAsync(VMEditNode node, Guid id)
{
if (!_validator.Validate(node.Name))
{
throw new ArgumentException("Data not valid. Name must start with character and has maximum 30 chars.");
}
var nodeToEdit = _context.Nodes.Where(x => x.IdNode == id).FirstOrDefault();
if (nodeToEdit == null)
{
return(null);
}
nodeToEdit.Name = node.Name;
var result = _context.Nodes.Update(nodeToEdit);
await _context.SaveChangesAsync();
var editedNode = result.Entity;
var viewModel = new VMGetNodes();
viewModel.IdNode = editedNode.IdNode;
viewModel.Level = editedNode.Level;
viewModel.Name = editedNode.Name;
viewModel.ParentId = editedNode.ParentId;
return(viewModel);
}
public async Task <List <VMGetNodes> > GetNodesAsync()
{
var dbNodes = await _context.Nodes.Where(x => x.IdNode != Guid.Empty).ToListAsync();
List <VMGetNodes> nodesList = new List <VMGetNodes>();
foreach (var node in dbNodes)
{
var newNode = new VMGetNodes()
{
IdNode = node.IdNode,
Level = node.Level,
Name = node.Name,
ParentId = node.ParentId
};
nodesList.Add(newNode);
}
return(nodesList);
}
