private void TraverseTree(TTree parent, ICollection <TTree> children, Action <TTree> childrenAction = null)
{
if (children == null || !children.Any())
{
return;
}
var duplicateNames = children
.GroupBy(x => x.Name)
.Where(x => x.Count() > 1)
.Select(x => x.Key)
.ToList();
if (duplicateNames.Any())
{
throw new UserFriendlyException(_generalTreeStringLocalizer["GeneralTreeNameIsDuplicate", duplicateNames.First()]);
}
var index = 0;
foreach (var c in children)
{
c.Code = _generalTreeCodeGenerator.MergeCode(parent.Code, _generalTreeCodeGenerator.CreateCode(++index));
c.Level = c.Code.Split('.').Length;
c.FullName = parent.FullName + _generalTreeOptions.Hyphen + c.Name;
childrenAction?.Invoke(c);
TraverseTree(c, c.Children, childrenAction);
}
}
public async Task CreateAsync()
{
//Act
await CreateRegion("beijing");
//Assert
var region = await GetRegion("beijing");
region.ShouldNotBeNull();
region.Name.ShouldBe("beijing");
region.FullName.ShouldBe("beijing");
region.Code.ShouldBe(_generalTreeCodeGenerator.CreateCode(1));
region.Level.ShouldBe(1);
region.ParentId.ShouldBeNull();
}