public ActionResult DeleteNodes(Guid treeGuid, [FromBody] DeleteNodesDto deleteNodes)
{
try
{
var cmd = new DeleteNodesCommand(_treeStorage);
long deleted = cmd.Execute(treeGuid, deleteNodes);
return(Ok(new { Deleted = deleted }));
}
catch (BadRequestException e)
{
return(BadRequest(e));
}
catch (NotFoundException e)
{
return(NotFound(e));
}
}
public long Execute(Guid treeGuid, DeleteNodesDto deleteNodes)
{
var nodes = _treeStorage.GetAllNodes(treeGuid);
var toDelete = new List <NodeDto>();
var notFound = new List <Guid>();
foreach (var nodeGuid in deleteNodes.NodeGuids)
{
var node = nodes.FirstOrDefault(n => n.Guid == nodeGuid);
if (node == null)
{
notFound.Add(nodeGuid);
}
else
{
toDelete.Add(node);
}
}
if (notFound.Count > 0)
{
throw new NotFoundException(string.Format("Nodes not found in Tree [{0}] : {1}.",
treeGuid, string.Join(", ", notFound.Select(g => $"[{g}]"))));
}
var subforest = TreeHelpers.GetSubforest(nodes, toDelete);
if (!deleteNodes.Recursive && subforest.Length > toDelete.Count)
{
throw new BadRequestException("Can't delete nodes that have children (use the `Recursive` option).");
}
else
{
return(_treeStorage.DeleteNodes(subforest));
}
}
