diff --git a/binding/binding.go b/binding/binding.go index 92ede2b8..3670fd97 100644 --- a/binding/binding.go +++ b/binding/binding.go @@ -151,7 +151,7 @@ func ensureNotPointer(obj interface{}) { } } -func Validate(obj interface{}) error { +func Validate(obj interface{}, parents ...string) error { typ := reflect.TypeOf(obj) val := reflect.ValueOf(obj) @@ -179,13 +179,16 @@ func Validate(obj interface{}) error { if reflect.DeepEqual(zero, fieldValue) { return errors.New("Required " + field.Name) } - - err := Validate(fieldValue) + err := Validate(fieldValue, field.Name) if err != nil { return err } } else if reflect.DeepEqual(zero, fieldValue) { - return errors.New("Required " + field.Name) + if len(parents) > 0 { + return errors.New("Required " + field.Name + " on " + parents[0]) + } else { + return errors.New("Required " + field.Name) + } } else if fieldType == reflect.Slice && field.Type.Elem().Kind() == reflect.Struct { err := Validate(fieldValue) if err != nil {