graph2: Added change type and query.

graph2/types/change.go

@@ -0,0 +1,24 @@
+package types
+
+import (
+	"context"
+
+	"git.aiterp.net/rpdata/api/graph2/input"
+	"git.aiterp.net/rpdata/api/models"
+)
+
+type changeResolver struct{}
+
+func (r *changeResolver) Objects(ctx context.Context, obj *models.Change) ([]input.ChangeObject, error) {
+	objects := obj.Objects()
+
+	results := make([]input.ChangeObject, len(objects))
+	for i := range objects {
+		results[i] = objects[i]
+	}
+
+	return results, nil
+}
+
+// ChangeResolver is a resolver
+var ChangeResolver changeResolver