/// <summary>
/// Add any explicit nav prop links to a select expand clause as necessary.
/// </summary>
/// <param name="clause">the select expand clause to modify.</param>
public static void AddExplicitNavPropLinksWhereNecessary(SelectExpandClause clause)
{
IEnumerable<SelectItem> selectItems = clause.SelectedItems;
// make sure that there are already selects for this level, otherwise we change the select semantics.
bool anyPathSelectItems = selectItems.Any(x => x is PathSelectItem);
// if there are selects for this level, then we need to add nav prop select items for each
// expanded nav prop
IEnumerable<ODataSelectPath> selectedPaths = selectItems.OfType<PathSelectItem>().Select(item => item.SelectedPath);
foreach (ExpandedNavigationSelectItem navigationSelect in selectItems.Where(I => I.GetType() == typeof(ExpandedNavigationSelectItem)))
{
if (anyPathSelectItems && !selectedPaths.Any(x => x.Equals(navigationSelect.PathToNavigationProperty.ToSelectPath())))
{
clause.AddToSelectedItems(new PathSelectItem(navigationSelect.PathToNavigationProperty.ToSelectPath()));
}
AddExplicitNavPropLinksWhereNecessary(navigationSelect.SelectAndExpand);
}
foreach (ExpandedReferenceSelectItem navigationSelect in selectItems.Where(I => I.GetType() == typeof(ExpandedReferenceSelectItem)))
{
if (anyPathSelectItems && !selectedPaths.Any(x => x.Equals(navigationSelect.PathToNavigationProperty.ToSelectPath())))
{
clause.AddToSelectedItems(new PathSelectItem(navigationSelect.PathToNavigationProperty.ToSelectPath()));
}
}
}
public void SuccessfullyAddSelectionItems()
{
ODataSelectPath personNamePath = new ODataSelectPath(new PropertySegment(HardCodedTestModel.GetPersonNameProp()));
ODataSelectPath personShoePath = new ODataSelectPath(new PropertySegment(HardCodedTestModel.GetPersonShoeProp()));
var clause = new SelectExpandClause(new List<ExpandedNavigationSelectItem>(), false);
clause.AddToSelectedItems(new PathSelectItem(personShoePath));
clause.AddToSelectedItems(new PathSelectItem(personNamePath));
clause.SelectedItems.Should().HaveCount(2).And.Contain(x => x is PathSelectItem && x.As<PathSelectItem>().SelectedPath == personNamePath).And.Contain(x => x is PathSelectItem && x.As<PathSelectItem>().SelectedPath == personShoePath);
}
