private static Expression <Func <T, object> > BuildSort(Sort sort)
{
return((Expression <Func <T, object> >)CriterionHelper.BuildSortExpression(typeof(T), sort.Field));
}
private static Expression <Func <T, bool> > BuildPredicate(Filter[] filters)
{
return((Expression <Func <T, bool> >)CriterionHelper.BuildPredicate(typeof(T), filters));
}
private static Expression <Func <T, bool> > BuildSameIdentitiesPredicate(object @object)
{
return((Expression <Func <T, bool> >)CriterionHelper.BuildSameIdentitiesPredicate(typeof(T), @object));
}
private Func <T, bool> BuildCriterion(Condition[] filters)
{
return(CriterionHelper.BuildPredicate <T>(filters).Compile());
}
public void BuildCriterionTestWithOperators()
{
var where = CriterionHelper.BuildPredicate <Party>(new[]
{
new Condition {
Path = "Gln", Value = "glnValue", Operator = ObjectFieldFilterOperator.Equals
},
new Condition {
Path = "Id", Value = "10", Operator = ObjectFieldFilterOperator.LessThan
},
new Condition {
Path = "Address.City", Value = "cityValue", Operator = ObjectFieldFilterOperator.Equals
}
});
var sort1 = CriterionHelper.BuildSort <Party, int>(new Sort {
Path = "Id", SortOrder = ObjectFilterSortOrder.Ascending
});
var sort2 = CriterionHelper.BuildSort <Party, string>(new Sort {
Path = "Address.City", SortOrder = ObjectFilterSortOrder.Ascending
});
var entries = new[]
{
new Party {
Gln = "213", Id = 10, Address = new Address {
City = "abc"
}
},
new Party {
Gln = "glnValue", Id = 9, Address = new Address {
City = "cityValue"
}
},
new Party {
Gln = "glnValue", Id = 10, Address = new Address {
City = "cityValue"
}
},
new Party {
Gln = "215", Id = 11, Address = new Address {
City = "cbc"
}
},
new Party {
Gln = "glnValue", Id = 8, Address = new Address {
City = "cityValue"
}
},
new Party {
Gln = "qwret", Id = 6, Address = new Address {
City = "cityValue"
}
},
new Party {
Gln = "glnValue", Id = 7, Address = new Address {
City = "zbx"
}
},
new Party {
Gln = "215", Id = 8, Address = new Address {
City = "qwc"
}
},
};
var query = entries.AsQueryable().Where(where).OrderBy(sort1).ThenBy(sort2).ToArray();
query.Should().BeEquivalentTo(entries.Where(x => x.Gln == "glnValue" && x.Id < 10 && x.Address.City == "cityValue").OrderBy(x => x.Id).ThenBy(x => x.Address), x => x.WithStrictOrdering());
var query2 = entries.AsQueryable().OrderBy(sort1).ThenBy(sort2).ToArray();
query2.Should().BeEquivalentTo(entries.OrderBy(x => x.Id).ThenBy(x => x.Address.City), x => x.WithStrictOrdering());
}
private static IQueryable <T> BuildQuery(IQueryable <T> query, Condition[] filters)
{
return(filters.Any() ? query.Where(CriterionHelper.BuildPredicate <T>(filters)) : query);
}
private static IOrderedQueryable <T> AddSort <TProperty>(IOrderedQueryable <T> query, Sort sort)
{
return(sort.SortOrder == ObjectFilterSortOrder.Ascending
? query.ThenBy(CriterionHelper.BuildSort <T, TProperty>(sort))
: query.ThenByDescending(CriterionHelper.BuildSort <T, TProperty>(sort)));
}
