public static IList<string> GetPaths(FilterQueryOption filterOption, string separator = ".")
{
var findAnyAll = new FindNavigationFilterOptions();
findAnyAll.Find(filterOption.FilterClause.Expression);
return findAnyAll.GetPaths(separator);
}
public void TestFilterVisitor()
{
ODataConventionModelBuilder builder = new ODataConventionModelBuilder();
builder.EntitySet<Bar>("Bar");
ODataQueryContext context = new ODataQueryContext(builder.GetEdmModel(), typeof(Bar));
//ODataQueryOptions<Customer> query = new ODataQueryOptions<Customer>(context, new HttpRequestMessage(HttpMethod.Get, "http://server/?$top=10"));
FilterQueryOption f = new FilterQueryOption("startswith(BarString,'b') eq true", context);
var fo = new FindNavigationFilterOptions();
fo.Find(f.FilterClause.Expression);
List<string> pathsString = fo.GetPaths();
CollectionAssert.AreEqual(pathsString, new string[0]);
f = new FilterQueryOption("F/FooId eq 1", context);
fo = new FindNavigationFilterOptions();
fo.Find(f.FilterClause.Expression);
pathsString = fo.GetPaths();
CollectionAssert.AreEqual(pathsString, new[] { "F" });
f = new FilterQueryOption("(startswith(BarString,'b') eq true) and (not (Foos/any(x1: x1/B/BarId eq 1)))", context);
fo = new FindNavigationFilterOptions();
fo.Find(f.FilterClause.Expression);
pathsString = fo.GetPaths();
CollectionAssert.AreEqual(pathsString, new[] { "Foos.B" });
f = new FilterQueryOption("Foos/any(x1: x1/B/BarId eq 1)", context);
fo = new FindNavigationFilterOptions();
fo.Find(f.FilterClause.Expression);
pathsString = fo.GetPaths();
CollectionAssert.AreEqual(pathsString, new[] { "Foos.B" });
f = new FilterQueryOption("F/Bars/any(x1: x1/BarId eq 1)", context);
fo = new FindNavigationFilterOptions();
fo.Find(f.FilterClause.Expression);
pathsString = fo.GetPaths();
CollectionAssert.AreEqual(pathsString, new[] { "F.Bars" });
}