Extend for Human Readable

models/bill/bill.go

@@ -28,6 +28,20 @@ type Bill struct {
 	Total     float64               `json:"total" bson:"total" validate:"required"`
 }
 
+func (ri *Bill) Extend(typ ...string) map[string][]tools.DataType {
+	ext := ri.AbstractObject.Extend(typ...)
+	for _, t := range typ {
+		switch t {
+		case "order":
+			if _, ok := ext[t]; !ok {
+				ext[t] = []tools.DataType{}
+			}
+			ext[t] = append(ext[t], tools.ORDER)
+		}
+	}
+	return ext
+}
+
 func GenerateBill(order *order.Order, request *tools.APIRequest) (*Bill, error) {
 	// hhmmm : should get... the loop.
 	return &Bill{