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Merge pull request #101 from slimmy/validate

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return messages for required bindings
This commit is contained in:
Javier Provecho Fernandez 2014-12-29 13:43:09 +01:00
commit 28b9ff9e34
1 changed files with 10 additions and 3 deletions
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11
binding/binding.go
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@ -155,7 +155,7 @@ func ensureNotPointer(obj interface{}) {
} }
} }
func Validate(obj interface{}) error { func Validate(obj interface{}, parents ...string) error {
typ := reflect.TypeOf(obj) typ := reflect.TypeOf(obj)
val := reflect.ValueOf(obj) val := reflect.ValueOf(obj)
@ -180,12 +180,19 @@ func Validate(obj interface{}) error {
if strings.Index(field.Tag.Get("binding"), "required") > -1 { if strings.Index(field.Tag.Get("binding"), "required") > -1 {
fieldType := field.Type.Kind() fieldType := field.Type.Kind()
if fieldType == reflect.Struct { if fieldType == reflect.Struct {
err := Validate(fieldValue) if reflect.DeepEqual(zero, fieldValue) {
return errors.New("Required " + field.Name)
}
err := Validate(fieldValue, field.Name)
if err != nil { if err != nil {
return err return err
} }
} else if reflect.DeepEqual(zero, fieldValue) { } else if reflect.DeepEqual(zero, fieldValue) {
if len(parents) > 0 {
return errors.New("Required " + field.Name + " on " + parents[0])
} else {
return errors.New("Required " + field.Name) return errors.New("Required " + field.Name)
}
} else if fieldType == reflect.Slice && field.Type.Elem().Kind() == reflect.Struct { } else if fieldType == reflect.Slice && field.Type.Elem().Kind() == reflect.Struct {
err := Validate(fieldValue) err := Validate(fieldValue)
if err != nil { if err != nil {