feat: move JsonApi handler、ErrorHandler、validator for param 2 pkg

pkg/validator/param_validator.go

@@ -0,0 +1,68 @@
+// Package validator 校验器集合包
+package validator
+
+import (
+	"fmt"
+	"git.icechen.cn/monorepo/backend/pkg/third_party"
+	"github.com/go-playground/locales/zh_Hans_CN"
+	ut "github.com/go-playground/universal-translator"
+	"github.com/go-playground/validator/v10"
+	zh_translations "github.com/go-playground/validator/v10/translations/zh"
+	"github.com/gofiber/fiber/v2"
+	"reflect"
+	"strings"
+)
+
+var Validate *validator.Validate
+var trans ut.Translator
+
+func init() {
+	Validate = validator.New()
+	zh := zh_Hans_CN.New()
+	uni := ut.New(zh, zh)
+	var ok bool
+	trans, ok = uni.GetTranslator("zh_Hans_CN")
+	if !ok {
+		panic(fmt.Errorf("uni.GetTranslator(%s) failed", "zh"))
+	}
+	Validate.RegisterTagNameFunc(func(field reflect.StructField) string {
+		addWarp := func(tag string) string {
+			return "[" + tag + "]"
+		}
+		if labelTag := field.Tag.Get("label"); labelTag != "" {
+			return addWarp(labelTag)
+		}
+		if jsonTag := field.Tag.Get("json"); jsonTag != "" {
+			return addWarp(jsonTag)
+		}
+		return addWarp(field.Name)
+	})
+	err := zh_translations.RegisterDefaultTranslations(Validate, trans)
+	if err != nil {
+		panic(err)
+	}
+}
+
+func Bind(c *fiber.Ctx, out interface{}) error {
+	if reflect.TypeOf(out).Kind() != reflect.Ptr {
+		return third_party.NewFError("bind must ptr")
+	}
+
+	if err := c.BodyParser(out); err != nil {
+		return third_party.WarpFError(err)
+	}
+
+	err := Validate.Struct(out)
+
+	if err != nil {
+		if errs, ok := err.(validator.ValidationErrors); ok {
+			errString := make([]string, 0, len(errs))
+			for _, fieldError := range errs.Translate(trans) {
+				errString = append(errString, fieldError)
+			}
+			err = fmt.Errorf("%s", strings.Join(errString, ","))
+		}
+		return third_party.WarpFErrorWithCode(fiber.StatusBadRequest, err)
+	}
+	return nil
+}