added chat messages

ent/hook/hook.go

@@ -34,6 +34,19 @@ func (f MatchPlayerFunc) Mutate(ctx context.Context, m ent.Mutation) (ent.Value,
 	return f(ctx, mv)
 }
 
+// The MessagesFunc type is an adapter to allow the use of ordinary
+// function as Messages mutator.
+type MessagesFunc func(context.Context, *ent.MessagesMutation) (ent.Value, error)
+
+// Mutate calls f(ctx, m).
+func (f MessagesFunc) Mutate(ctx context.Context, m ent.Mutation) (ent.Value, error) {
+	mv, ok := m.(*ent.MessagesMutation)
+	if !ok {
+		return nil, fmt.Errorf("unexpected mutation type %T. expect *ent.MessagesMutation", m)
+	}
+	return f(ctx, mv)
+}
+
 // The PlayerFunc type is an adapter to allow the use of ordinary
 // function as Player mutator.
 type PlayerFunc func(context.Context, *ent.PlayerMutation) (ent.Value, error)