app_error.go

package app_error

import (
	"net/http"
	"time"

	"github.com/labstack/echo"
)

type ApiError struct {
	StatusCode       int      `json:"status_code"`
	Type             string   `json:"type"`
	ResponsedAt      string   `json:"responsed_at"` // RFC3339
	Message          string   `json:"message"`
	UserMessageTitle string   `json:"user_message_title"`
	UserMessages     []string `json:"user_messages"`
	Tip              string   `json:"tip"`
}

func CustomHTTPErrorHandler(err error, c echo.Context) {
	code := http.StatusInternalServerError
	message := ""
	// https://godoc.org/github.com/labstack/echo#HTTPError
	if ee, ok := err.(*echo.HTTPError); ok {
		code = ee.Code
		message = ee.Message.(string)
	}
	body := ApiError{
		StatusCode:       code,
		Type:             "echo_error",
		ResponsedAt:      time.Now().Format(time.RFC3339),
		Message:          message,
		UserMessageTitle: "",
		UserMessages:     []string{},
		Tip:              "",
	}
	c.JSON(code, body)
}