chore: import upstream snapshot with attribution

internal/base/handler/handler.go

@@ -0,0 +1,92 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+package handler
+
+import (
+	"errors"
+	"net/http"
+
+	"github.com/apache/answer/internal/base/reason"
+	"github.com/apache/answer/internal/base/validator"
+	"github.com/gin-gonic/gin"
+	myErrors "github.com/segmentfault/pacman/errors"
+	"github.com/segmentfault/pacman/log"
+)
+
+// HandleResponse Handle response body
+func HandleResponse(ctx *gin.Context, err error, data any) {
+	lang := GetLangByCtx(ctx)
+	// no error
+	if err == nil {
+		ctx.JSON(http.StatusOK, NewRespBodyData(http.StatusOK, reason.Success, data).TrMsg(lang))
+		return
+	}
+
+	var myErr *myErrors.Error
+	// unknown error
+	if !errors.As(err, &myErr) {
+		log.Error(err, "\n", myErrors.LogStack(2, 5))
+		ctx.JSON(http.StatusInternalServerError, NewRespBody(
+			http.StatusInternalServerError, reason.UnknownError).TrMsg(lang))
+		return
+	}
+
+	// log internal server error
+	if myErrors.IsInternalServer(myErr) {
+		log.Error(myErr)
+	}
+
+	respBody := NewRespBodyFromError(myErr).TrMsg(lang)
+	if data != nil {
+		respBody.Data = data
+	}
+	ctx.JSON(myErr.Code, respBody)
+}
+
+// BindAndCheck bind request and check
+func BindAndCheck(ctx *gin.Context, data any) bool {
+	lang := GetLangByCtx(ctx)
+	if err := ctx.ShouldBind(data); err != nil {
+		log.Errorf("http_handle BindAndCheck fail, %s", err.Error())
+		HandleResponse(ctx, myErrors.New(http.StatusBadRequest, reason.RequestFormatError), nil)
+		return true
+	}
+
+	errField, err := validator.GetValidatorByLang(lang).Check(data)
+	if err != nil {
+		HandleResponse(ctx, err, errField)
+		return true
+	}
+	return false
+}
+
+// BindAndCheckReturnErr bind request and check
+func BindAndCheckReturnErr(ctx *gin.Context, data any) (errFields []*validator.FormErrorField) {
+	lang := GetLangByCtx(ctx)
+	if err := ctx.ShouldBind(data); err != nil {
+		log.Errorf("http_handle BindAndCheck fail, %s", err.Error())
+		HandleResponse(ctx, myErrors.New(http.StatusBadRequest, reason.RequestFormatError), nil)
+		ctx.Abort()
+		return nil
+	}
+
+	errFields, _ = validator.GetValidatorByLang(lang).Check(data)
+	return errFields
+}