From fb426562bb79bc0d646b185eeda7430d81f21692 Mon Sep 17 00:00:00 2001 From: Suhas Karanth Date: Wed, 16 Aug 2017 08:50:58 +0530 Subject: [PATCH] feat(binding): Add support for custom validation tags --- binding/binding.go | 11 ++++++++++- binding/default_validator.go | 5 +++++ 2 files changed, 15 insertions(+), 1 deletion(-) diff --git a/binding/binding.go b/binding/binding.go index 971547c2..a09cc221 100644 --- a/binding/binding.go +++ b/binding/binding.go @@ -4,7 +4,11 @@ package binding -import "net/http" +import ( + "net/http" + + validator "gopkg.in/go-playground/validator.v8" +) const ( MIMEJSON = "application/json" @@ -31,6 +35,11 @@ type StructValidator interface { // If the struct is not valid or the validation itself fails, a descriptive error should be returned. // Otherwise nil must be returned. ValidateStruct(interface{}) error + + // RegisterValidation adds a validation Func to a Validate's map of validators denoted by the key + // NOTE: if the key already exists, the previous validation function will be replaced. + // NOTE: this method is not thread-safe it is intended that these all be registered prior to any validation + RegisterValidation(string, validator.Func) error } var Validator StructValidator = &defaultValidator{} diff --git a/binding/default_validator.go b/binding/default_validator.go index 19885f16..6336bb6e 100644 --- a/binding/default_validator.go +++ b/binding/default_validator.go @@ -28,6 +28,11 @@ func (v *defaultValidator) ValidateStruct(obj interface{}) error { return nil } +func (v *defaultValidator) RegisterValidation(key string, fn validator.Func) error { + v.lazyinit() + return v.validate.RegisterValidation(key, fn) +} + func (v *defaultValidator) lazyinit() { v.once.Do(func() { config := &validator.Config{TagName: "binding"}