add remove driver function

models/topic.go

@@ -27,3 +27,31 @@ func (t *Topic) AddPublish(pubs ...string) {
 		slices.Sort(t.Publish)
 	}
 }
+
+func (t *Topic) RemoveSubscription(subs ...string) {
+	if len(t.Subscribe) == 1 {
+		t.Subscribe = []string{}
+		return
+	}
+	for _, toDelete := range subs {
+		for i, a := range t.Subscribe {
+			if a == toDelete {
+				t.Subscribe = slices.Delete(t.Subscribe, i, i+1)
+			}
+		}
+	}
+}
+
+func (t *Topic) RemovePublish(pubs ...string) {
+	if len(t.Publish) == 1 {
+		t.Publish = []string{}
+		return
+	}
+	for _, toDelete := range pubs {
+		for i, a := range t.Publish {
+			if a == toDelete {
+				t.Publish = slices.Delete(t.Publish, i, i+1)
+			}
+		}
+	}
+}