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core.go
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core.go
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// Copyright 2020 Lingfei Kong <colin404@foxmail.com>. All rights reserved.
// Use of this source code is governed by a MIT style
// license that can be found in the LICENSE file.
package core
import (
"net/http"
"github.com/bolo-tourism/go/pkg/errors"
"github.com/bolo-tourism/go/pkg/log"
"github.com/gin-gonic/gin"
)
// ErrResponse defines the return messages when an error occurred.
// Reference will be omitted if it does not exist.
// swagger:model
type ErrResponse struct {
// Code defines the business error code.
Code int `json:"code"`
// Message contains the detail of this message.
// This message is suitable to be exposed to external
Message string `json:"message"`
// Reference returns the reference document which maybe useful to solve this error.
Reference string `json:"reference,omitempty"`
}
// WriteResponse write an error or the response data into http response body.
// It use errors.ParseCoder to parse any error into errors.Coder
// errors.Coder contains error code, user-safe error message and http status code.
func WriteResponse(c *gin.Context, err error, data interface{}) {
if err != nil {
log.Errorf("%#+v", err)
coder := errors.ParseCoder(err)
c.JSON(coder.HTTPStatus(), ErrResponse{
Code: coder.Code(),
Message: coder.String(),
Reference: coder.Reference(),
})
return
}
c.JSON(http.StatusOK, data)
}