🔊 Add logging to server.log when token generation fails

auth/handlers.go

@@ -1,7 +1,22 @@
+// Copyright 2024 Florian Beisel
+//
+// Licensed 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 auth
 
 import (
 	"database/sql"
+	"log"
 	"net/http"
 
 	"git.beisel.it/florian/hostname-service/db"
@@ -11,19 +26,19 @@ import (
 	"github.com/gin-gonic/gin"
 )
 
-//	LoginHandler godoc
+// LoginHandler godoc
 //
-//	@Summary		User login
-//	@Description	Authenticate user and return JWT token
-//	@Tags			Authentication
-//	@Accept			json
-//	@Produce		json
-//	@Param			loginCredentials	body		models.LoginCredentials	true	"Login Credentials"
-//	@Success		200					{object}	models.TokenResponse	"Successfully authenticated, JWT token returned"
-//	@Failure		400					{object}	models.ErrorResponse	"Invalid request body"
-//	@Failure		401					{object}	models.ErrorResponse	"Invalid login credentials"
-//	@Failure		500					{object}	models.ErrorResponse	"Internal server error"
-//	@Router			/login [post]
+// @Summary		User login
+// @Description	Authenticate user and return JWT token
+// @Tags			Authentication
+// @Accept			json
+// @Produce		json
+// @Param			loginCredentials	body		models.LoginCredentials	true	"Login Credentials"
+// @Success		200					{object}	models.TokenResponse	"Successfully authenticated, JWT token returned"
+// @Failure		400					{object}	models.ErrorResponse	"Invalid request body"
+// @Failure		401					{object}	models.ErrorResponse	"Invalid login credentials"
+// @Failure		500					{object}	models.ErrorResponse	"Internal server error"
+// @Router			/login [post]
 func LoginHandler(c *gin.Context) {
 	var creds models.LoginCredentials
 
@@ -58,6 +73,7 @@ func LoginHandler(c *gin.Context) {
 	token, err := GenerateToken(storedCreds.Username)
 	if err != nil {
 		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to generate token"})
+		log.Printf("Error generating token %v", err)
 		return
 	}