From b7b64d43027f4f2be10e5e616cf03fe9be9477d8 Mon Sep 17 00:00:00 2001
From: Lars Karlslund <lars@karlslund.dk>
Date: Wed, 17 May 2023 11:17:09 +0200
Subject: [PATCH] Added sort and limit primitives to object slices

---
 modules/engine/objectslice.go | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/modules/engine/objectslice.go b/modules/engine/objectslice.go
index a43d8ef..c5adc94 100644
--- a/modules/engine/objectslice.go
+++ b/modules/engine/objectslice.go
@@ -196,3 +196,22 @@ func (os *ObjectSlice) Sort(attr Attribute, reverse bool) {
 
 	sort.Slice(os.objects, orderf)
 }
+
+func (os *ObjectSlice) SortFunc(lessthan func(o, o2 *Object) bool) {
+	sort.Slice(os.objects, func(i int, j int) bool {
+		return lessthan(os.objects[i], os.objects[j])
+	})
+}
+
+func (os *ObjectSlice) Limit(count int) {
+	if count >= 0 {
+		if count > len(os.objects) {
+			os.objects = os.objects[:count]
+		}
+	} else {
+		count = -count
+		if count > len(os.objects) {
+			os.objects = os.objects[len(os.objects)-count:]
+		}
+	}
+}