Adds global constant strings for Context custom variables

common/utilities.go

@@ -9,6 +9,9 @@ import (
 	"github.com/jinzhu/gorm"
 )
 
+const UserIDCtx = "user_id"
+const UserRoleCtx = "user_role"
+
 func ProvideErrorResponse(c *gin.Context, err error) bool {
 	if err != nil {
 		if err == gorm.ErrRecordNotFound {

routes/user/userEndpoints.go

@@ -251,8 +251,8 @@ func updateUser(c *gin.Context) {
 	// If the logged in user has NOT the same id as the user that is
 	// going to be updated AND the role is NOT admin (is already saved
 	// in the context from the Authentication middleware)
-	userID, _ := c.Get("user_id")
-	userRole, _ := c.Get("user_role")
+	userID, _ := c.Get(common.UserIDCtx)
+	userRole, _ := c.Get(common.UserRoleCtx)
 	if toBeUpdatedID != userID && userRole != "Admin" {
 		c.JSON(http.StatusForbidden, gin.H{
 			"success": false,

routes/user/userMiddleware.go

@@ -2,6 +2,7 @@ package user
 
 import (
 	"fmt"
+	"git.rwth-aachen.de/acs/public/villas/villasweb-backend-go/common"
 	"github.com/dgrijalva/jwt-go"
 	"github.com/dgrijalva/jwt-go/request"
 	"github.com/gin-gonic/gin"
@@ -21,8 +22,8 @@ func userToContext(ctx *gin.Context, user_id uint) {
 		return
 	}
 
-	ctx.Set("user_role", user.Role)
-	ctx.Set("user_id", user_id)
+	ctx.Set(common.UserRoleCtx, user.Role)
+	ctx.Set(common.UserIDCtx, user_id)
 }
 
 func Authentication(unauthorized bool) gin.HandlerFunc {