adjust error message body style

Author: isoppp

internal/handlers/responseerr.go

@@ -0,0 +1,46 @@
+package handlers
+
+import (
+	"net/http"
+
+	"github.com/labstack/echo/v4"
+)
+
+type errorContent struct {
+	Message interface{} `json:"message"`
+}
+type errorResponse struct {
+	Error interface{} `json:"error"`
+}
+
+func CustomHTTPErrorHandler(err error, c echo.Context) {
+	he, ok := err.(*echo.HTTPError)
+	if ok {
+		if he.Internal != nil {
+			if herr, ok := he.Internal.(*echo.HTTPError); ok {
+				he = herr
+			}
+		}
+	} else {
+		he = &echo.HTTPError{
+			Code:    http.StatusInternalServerError,
+			Message: http.StatusText(http.StatusInternalServerError),
+		}
+	}
+
+	// Send response
+	if !c.Response().Committed {
+		if c.Request().Method == http.MethodHead { // Issue #608
+			err = c.NoContent(he.Code)
+		} else {
+			err = c.JSON(he.Code, errorResponse{
+				Error: errorContent{
+					Message: he.Message,
+				},
+			})
+		}
+		if err != nil {
+			c.Logger().Error(err)
+		}
+	}
+}

internal/server/server.go

@@ -7,6 +7,7 @@ import (
 	"log"
 	"sandbox-go-api-sqlboiler-rest-auth/internal/config"
 	"sandbox-go-api-sqlboiler-rest-auth/internal/cookie"
+	"sandbox-go-api-sqlboiler-rest-auth/internal/handlers"
 
 	"github.com/labstack/echo/v4"
 	"go.uber.org/zap"
@@ -17,6 +18,7 @@ func NewServer(cfg *config.Config, db *sql.DB, l *zap.Logger) *echo.Echo {
 	e := echo.New()
 	e.HideBanner = true
 	e.Debug = cfg.IsDev
+	e.HTTPErrorHandler = handlers.CustomHTTPErrorHandler
 
 	bindGlobalMiddlewares(e, cfg, l, db, sc)
 	bindRoutes(e, cfg, l, db, sc)