support null checking on group :)

2018-10-25 18:40:30 -05:00
parent 832fc4d5ee
commit 7269071a3a
3 changed files with 91 additions and 13 deletions
@@ -15,6 +15,8 @@ namespace PoweredSoft.DynamicLinq.Fluent

        public IQueryable Query { get; protected set; }

+        public bool IsNullCheckingEnabled { get; protected set; } = false;
+
        public GroupBuilder(IQueryable query)
        {
            Query = query;
@@ -41,6 +43,12 @@ namespace PoweredSoft.DynamicLinq.Fluent
            return this;
        }

+        public GroupBuilder NullChecking(bool nullChecking = true)
+        {
+            IsNullCheckingEnabled = nullChecking;
+            return this;
+        }
+
        public GroupBuilder UseType(Type type)
        {
            Type = type;
@@ -58,7 +66,7 @@ namespace PoweredSoft.DynamicLinq.Fluent
            if (Empty)
                throw new Exception("No group specified, please specify at least one group");

-            var ret = QueryableHelpers.GroupBy(Query, Query.ElementType, Parts, Type, EqualityComparerType);
+            var ret = QueryableHelpers.GroupBy(Query, Query.ElementType, Parts, groupToType: Type, equalityCompareType: EqualityComparerType, nullChecking: IsNullCheckingEnabled);
            return ret;
        }
    }