bugfix: validation error while registering (#85)

bugfix: validation error while registering

module/feature/auth/dto/request.go

@@ -2,12 +2,12 @@ package dto
 
 type RegisterRequest struct {
 	Email    string `form:"email" json:"email" validate:"required,email"`
-	Password string `form:"password" json:"password" validate:"required,min=6"`
+	Password string `form:"password" json:"password" validate:"required,min=6,noSpace"`
 }
 
 type LoginRequest struct {
 	Email    string `form:"email" json:"email" validate:"required,email"`
-	Password string `form:"password" json:"password" validate:"required,min=6"`
+	Password string `form:"password" json:"password" validate:"required,min=6,noSpace"`
 }
 
 type EmailRequest struct {
@@ -24,6 +24,6 @@ type ForgotPasswordRequest struct {
 }
 
 type ResetPasswordRequest struct {
-	NewPassword     string `json:"new_password" validate:"required,min=6"`
-	ConfirmPassword string `json:"confirm_password" validate:"required,min=6"`
+	NewPassword     string `json:"new_password" validate:"required,min=6,noSpace"`
+	ConfirmPassword string `json:"confirm_password" validate:"required,min=6,noSpace"`
 }

utils/validate.go

@@ -1,13 +1,46 @@
 package utils
 
-import "github.com/go-playground/validator/v10"
+import (
+	"errors"
+	"fmt"
+	"strings"
+
+	"github.com/go-playground/validator/v10"
+)
 
 var validate *validator.Validate
 
 func init() {
 	validate = validator.New()
+	_ = validate.RegisterValidation("noSpace", noSpace)
+}
+
+func noSpace(fl validator.FieldLevel) bool {
+	password := fl.Field().String()
+	return !strings.Contains(password, " ")
 }
 
 func ValidateStruct(s interface{}) error {
-	return validate.Struct(s)
+	err := validate.Struct(s)
+	if err != nil {
+		var customErrors []string
+
+		for _, err := range err.(validator.ValidationErrors) {
+			switch err.Tag() {
+			case "required":
+				customErrors = append(customErrors, fmt.Sprintf("Field '%s' wajib diisi", err.Field()))
+			case "min":
+				customErrors = append(customErrors, fmt.Sprintf("Field '%s' minimal harus memiliki panjang %s karakter", err.Field(), err.Param()))
+			case "email":
+				customErrors = append(customErrors, fmt.Sprintf("Field '%s' harus berupa alamat email yang valid", err.Field()))
+			case "noSpace":
+				customErrors = append(customErrors, fmt.Sprintf("Field '%s' tidak boleh mengandung spasi", err.Field()))
+			default:
+				customErrors = append(customErrors, fmt.Sprintf("Validasi field '%s' gagal dengan tag '%s'", err.Field(), err.Tag()))
+			}
+		}
+
+		return errors.New(strings.Join(customErrors, "; "))
+	}
+	return nil
 }