chg: backend: error struct

internal/controllers/XSS_test.go

@@ -26,6 +26,6 @@ func testXSSAttempt(t *testing.T) {
 	w := httptest.NewRecorder()
 	router.ServeHTTP(w, req)
 
-	assert.Equal(t, http.StatusNotAcceptable, w.Code)
+	assert.Equal(t, http.StatusBadRequest, w.Code)
 	assert.NotContains(t, w.Body.String(), xssPayload)
 }

internal/controllers/controllers_test.go

@@ -22,6 +22,7 @@ import (
 	"GoMembership/internal/repositories"
 	"GoMembership/internal/services"
 	"GoMembership/internal/utils"
+	"GoMembership/internal/validation"
 	"GoMembership/pkg/logger"
 )
 
@@ -102,7 +103,9 @@ func TestSuite(t *testing.T) {
 	var userRepo repositories.UserRepositoryInterface = &repositories.UserRepository{}
 	userService := &services.UserService{Repo: userRepo, Licences: licenceRepo}
 
-	Uc = &UserController{Service: userService, EmailService: emailService, ConsentService: consentService, BankAccountService: bankAccountService, MembershipService: membershipService}
+	driversLicenceService := &services.DriversLicenceService{Repo: licenceRepo}
+
+	Uc = &UserController{Service: userService, DriversLicenceService: driversLicenceService, EmailService: emailService, ConsentService: consentService, BankAccountService: bankAccountService, MembershipService: membershipService}
 	Mc = &MembershipController{Service: *membershipService}
 	Cc = &ContactController{EmailService: emailService}
 
@@ -110,6 +113,10 @@ func TestSuite(t *testing.T) {
 		log.Fatalf("Failed to init Subscription plans: %#v", err)
 	}
 
+	if err := initLicenceCategories(); err != nil {
+		log.Fatalf("Failed to init Categories: %v", err)
+	}
+	validation.SetupValidators()
 	t.Run("userController", func(t *testing.T) {
 		testUserController(t)
 	})
@@ -139,6 +146,35 @@ func TestSuite(t *testing.T) {
 	// }
 }
 
+func initLicenceCategories() error {
+	categories := []models.LicenceCategory{
+		{Category: "AM"},
+		{Category: "A1"},
+		{Category: "A2"},
+		{Category: "A"},
+		{Category: "B"},
+		{Category: "C1"},
+		{Category: "C"},
+		{Category: "D1"},
+		{Category: "D"},
+		{Category: "BE"},
+		{Category: "C1E"},
+		{Category: "CE"},
+		{Category: "D1E"},
+		{Category: "DE"},
+		{Category: "T"},
+		{Category: "L"},
+	}
+	for _, category := range categories {
+		result := database.DB.Create(&category)
+		if result.Error != nil {
+			return result.Error
+		}
+	}
+
+	return nil
+}
+
 func initSubscriptionPlans() error {
 	subscriptions := []models.SubscriptionModel{
 		{

internal/controllers/membershipController.go

@@ -26,6 +26,7 @@ func (mc *MembershipController) RegisterSubscription(c *gin.Context) {
 	if err := c.ShouldBindJSON(&regData); err != nil {
 		logger.Error.Printf("Couln't decode subscription data: %v", err)
 		c.JSON(http.StatusBadRequest, gin.H{"error": "Couldn't decode subscription data"})
+		return
 	}
 
 	// Register Subscription

internal/controllers/membershipController_test.go

@@ -86,7 +86,7 @@ func getSubscriptionData() []RegisterSubscriptionTest {
 	return []RegisterSubscriptionTest{
 		{
 			Name:         "Missing details should fail",
-			WantResponse: http.StatusNotAcceptable,
+			WantResponse: http.StatusBadRequest,
 			WantDBData:   map[string]interface{}{"name": "Just a Subscription"},
 			Assert:       false,
 			Input: GenerateInputJSON(
@@ -97,7 +97,7 @@ func getSubscriptionData() []RegisterSubscriptionTest {
 		},
 		{
 			Name:         "Missing model name should fail",
-			WantResponse: http.StatusNotAcceptable,
+			WantResponse: http.StatusBadRequest,
 			WantDBData:   map[string]interface{}{"name": ""},
 			Assert:       false,
 			Input: GenerateInputJSON(
@@ -108,7 +108,7 @@ func getSubscriptionData() []RegisterSubscriptionTest {
 		},
 		{
 			Name:         "Negative monthly fee should fail",
-			WantResponse: http.StatusNotAcceptable,
+			WantResponse: http.StatusBadRequest,
 			WantDBData:   map[string]interface{}{"name": "Premium"},
 			Assert:       false,
 			Input: GenerateInputJSON(customizeSubscription(func(sub MembershipData) MembershipData {
@@ -118,7 +118,7 @@ func getSubscriptionData() []RegisterSubscriptionTest {
 		},
 		{
 			Name:         "Negative hourly rate should fail",
-			WantResponse: http.StatusNotAcceptable,
+			WantResponse: http.StatusBadRequest,
 			WantDBData:   map[string]interface{}{"name": "Premium"},
 			Assert:       false,
 			Input: GenerateInputJSON(customizeSubscription(func(sub MembershipData) MembershipData {

internal/controllers/user_controller.go

@@ -7,10 +7,12 @@ import (
 	"GoMembership/internal/models"
 	"GoMembership/internal/services"
 	"GoMembership/internal/utils"
+	"strings"
 
 	"net/http"
 
 	"github.com/gin-gonic/gin"
+	"github.com/go-playground/validator/v10"
 
 	"GoMembership/pkg/errors"
 	"GoMembership/pkg/logger"
@@ -33,13 +35,34 @@ func (uc *UserController) UpdateHandler(c *gin.Context) {
 	var user models.User
 	if err := c.ShouldBindJSON(&user); err != nil {
 		logger.Error.Printf("Couldn't decode input: %v", err)
-		c.JSON(http.StatusBadRequest, gin.H{"error": "Couldn't decode request data"})
+		var validationErrors []gin.H
+		if ve, ok := err.(validator.ValidationErrors); ok {
+			for _, e := range ve {
+
+				validationErrors = append(validationErrors, gin.H{
+					"field": e.Field(),
+					"key":   "server.validation." + e.Tag(),
+				})
+			}
+		} else {
+			validationErrors = append(validationErrors, gin.H{
+				"field": "general",
+				"key":   "server.error.invalid_json",
+			})
+		}
+		logger.Error.Printf("ValidationErrors: %#v", validationErrors)
+		c.JSON(http.StatusBadRequest, gin.H{"errors": validationErrors})
+		c.Abort()
 		return
 	}
+	logger.Error.Print("Continuing...")
 	tokenString, err := c.Cookie("jwt")
 	if err != nil {
 		logger.Error.Printf("No Auth token: %v\n", err)
-		c.JSON(http.StatusUnauthorized, gin.H{"error": "No Auth token"})
+		c.JSON(http.StatusUnauthorized, gin.H{"errors": []gin.H{{
+			"field": "general",
+			"key":   "server.error.no_auth_token",
+		}}})
 		c.Abort()
 		return
 	}
@@ -47,7 +70,10 @@ func (uc *UserController) UpdateHandler(c *gin.Context) {
 	if err != nil {
 
 		logger.Error.Printf("Error retrieving token and claims from JWT")
-		c.JSON(http.StatusInternalServerError, gin.H{"error": "JWT parsing error"})
+		c.JSON(http.StatusInternalServerError, gin.H{"errors": []gin.H{{
+			"field": "general",
+			"key":   "server.error.jwt_parsing_error",
+		}}})
 		return
 	}
 	jwtUserID := uint((*claims)["user_id"].(float64))
@@ -55,22 +81,27 @@ func (uc *UserController) UpdateHandler(c *gin.Context) {
 
 	if user.ID == 0 {
 		logger.Error.Printf("No User.ID in request from user with id: %v, aborting", jwtUserID)
-		c.JSON(http.StatusBadRequest, gin.H{"error": "No user id provided"})
+		c.JSON(http.StatusBadRequest, gin.H{"errors": []gin.H{{
+			"field": "id",
+			"key":   "server.validation.no_user_id_provided",
+		}}})
 		return
 	}
 	if user.ID != jwtUserID && userRole < constants.Roles.Editor {
-		c.JSON(http.StatusForbidden, gin.H{"error": "You are not authorized to update this user"})
+		c.JSON(http.StatusForbidden, gin.H{"errors": []gin.H{{
-		return
+			"field": "general",
-	}
+			"key":   "server.error.unauthorized_update",
-	if user.Membership.SubscriptionModel.Name == "" {
+		}}})
-		logger.Error.Printf("No subscription model provided: %v", user.Email)
-		c.JSON(http.StatusNotAcceptable, gin.H{"error": "No subscription model provided"})
 		return
 	}
+
 	selectedModel, err := uc.MembershipService.GetModelByName(&user.Membership.SubscriptionModel.Name)
 	if err != nil {
 		logger.Error.Printf("%v:No subscription model found: %#v", user.Email, err)
-		c.JSON(http.StatusNotFound, gin.H{"error": "Not a valid subscription model"})
+		c.JSON(http.StatusNotFound, gin.H{"errors": []gin.H{{
+			"field": "subscription_model",
+			"key":   "server.validation.invalid_subscription_model",
+		}}})
 		return
 	}
 	user.Membership.SubscriptionModel = *selectedModel
@@ -84,20 +115,28 @@ func (uc *UserController) UpdateHandler(c *gin.Context) {
 	// 	user.Email = existingUser.Email
 	// 	user.RoleID = existingUser.RoleID
 	// }
-
 	updatedUser, err := uc.Service.UpdateUser(&user, userRole)
 
 	if err != nil {
 		switch err {
 		case errors.ErrUserNotFound:
-			c.JSON(http.StatusNotFound, gin.H{"error": "User not found"})
+			c.JSON(http.StatusNotFound, gin.H{"errors": []gin.H{{
+				"field": user.FirstName + " " + user.LastName,
+				"key":   "server.validation.user_not_found",
+			}}})
 		case errors.ErrInvalidUserData:
-			c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid user data"})
+			c.JSON(http.StatusBadRequest, gin.H{"errors": []gin.H{{
+				"field": "user",
+				"key":   "server.validation.invalid_user_data",
+			}}})
 		default:
 			logger.Error.Printf("Failed to update user: %v", err)
-			c.JSON(http.StatusInternalServerError, gin.H{"error": "Internal Server error"})
+			c.JSON(http.StatusInternalServerError, gin.H{"errors": []gin.H{{
+				"field": "general",
+				"key":   "server.error.internal_server_error",
+			}}})
+			return
 		}
-		return
 	}
 	c.JSON(http.StatusAccepted, gin.H{"message": "User updated successfully", "user": updatedUser})
 }
@@ -106,37 +145,51 @@ func (uc *UserController) CurrentUserHandler(c *gin.Context) {
 	userIDInterface, ok := c.Get("user_id")
 	if !ok || userIDInterface == nil {
 		logger.Error.Printf("Error getting user_id from header")
-		c.JSON(http.StatusInternalServerError, gin.H{"error": "Missing or invalid user ID type"})
+		c.JSON(http.StatusInternalServerError, gin.H{"errors": []gin.H{{
+			"field": "general",
+			"key":   "server.validation.no_user_id_provided",
+		}}})
 		return
 	}
 	userID, ok := userIDInterface.(uint)
 
 	if !ok {
 		logger.Error.Printf("Error: user_id is not of type uint")
-		c.JSON(http.StatusInternalServerError, gin.H{"error": "Invalid user ID type"})
+		c.JSON(http.StatusInternalServerError, gin.H{"errors": []gin.H{{
+			"field": "user",
+			"key":   "server.error.internal_server_error",
+		}}})
 		return
 	}
 
 	user, err := uc.Service.GetUserByID(uint(userID))
 	if err != nil {
 		logger.Error.Printf("Error retrieving valid user: %v", err)
-		c.JSON(http.StatusInternalServerError, gin.H{"error": "Error retrieving user."})
+		c.JSON(http.StatusInternalServerError, gin.H{"errors": []gin.H{{
+			"field": "general",
+			"key":   "server.error.internal_server_error",
+		}}})
 		return
 	}
 
 	subscriptions, err := uc.MembershipService.GetSubscriptions(nil)
 	if err != nil {
 		logger.Error.Printf("Error retrieving subscriptions: %v", err)
-		c.JSON(http.StatusInternalServerError, gin.H{"error": "Error retrieving subscriptions."})
+		c.JSON(http.StatusInternalServerError, gin.H{"errors": []gin.H{{
+			"field": "general",
+			"key":   "validation.internal_server_error",
+		}}})
 		return
 	}
 	licenceCategories, err := uc.DriversLicenceService.GetAllCategories()
 	if err != nil {
 		logger.Error.Printf("Error retrieving licence categories: %v", err)
-		c.JSON(http.StatusInternalServerError, gin.H{"error": "Error retrieving licence categories."})
+		c.JSON(http.StatusInternalServerError, gin.H{"errors": []gin.H{{
+			"field": "general",
+			"key":   "validation.internal_server_error",
+		}}})
 		return
 	}
-	logger.Error.Printf("licenceCategories: %#v", licenceCategories)
 	c.JSON(http.StatusOK, gin.H{
 		"user":               user.Safe(),
 		"subscriptions":      subscriptions,
@@ -164,14 +217,20 @@ func (uc *UserController) LoginHandler(c *gin.Context) {
 
 	if err := c.ShouldBindJSON(&input); err != nil {
 		logger.Error.Printf("Couldn't decode input: %v", err.Error())
-		c.JSON(http.StatusBadRequest, gin.H{"error": "Couldn't decode request data"})
+		c.JSON(http.StatusBadRequest, gin.H{"errors": []gin.H{{
+			"field": "general",
+			"key":   "server.error.invalid_json",
+		}}})
 		return
 	}
 
 	user, err := uc.Service.GetUserByEmail(input.Email)
 	if err != nil {
 		logger.Error.Printf("Error during user(%v) retrieval: %v\n", input.Email, err)
-		c.JSON(http.StatusNotFound, gin.H{"error": "Couldn't find user"})
+		c.JSON(http.StatusNotFound, gin.H{"errors": []gin.H{{
+			"field": "login",
+			"key":   "server.validation.user_not_found_or_wrong_password",
+		}}})
 		return
 	}
 
@@ -179,20 +238,29 @@ func (uc *UserController) LoginHandler(c *gin.Context) {
 	if err != nil {
 
 		logger.Error.Printf("Error during Password comparison: %v", err.Error())
-		c.JSON(http.StatusInternalServerError, gin.H{"error": "couldn't calculate match"})
+		c.JSON(http.StatusInternalServerError, gin.H{"errors": []gin.H{{
+			"field": "general",
+			"key":   "server.error.internal_server_error",
+		}}})
 		return
 	}
 	if !ok {
 
 		logger.Error.Printf("Wrong Password: %v %v", user.FirstName, user.LastName)
-		c.JSON(http.StatusNotAcceptable, gin.H{"error": "Wrong Password"})
+		c.JSON(http.StatusNotAcceptable, gin.H{"errors": []gin.H{{
+			"field": "login",
+			"key":   "server.validation.user_not_found_or_wrong_password",
+		}}})
 		return
 	}
 
 	logger.Error.Printf("jwtsevret: %v", config.Auth.JWTSecret)
 	token, err := middlewares.GenerateToken(config.Auth.JWTSecret, user, "")
 	if err != nil {
-		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to generate JWT token"})
+		c.JSON(http.StatusInternalServerError, gin.H{"errors": []gin.H{{
+			"field": "general",
+			"key":   "server.error.jwt_generation_failed",
+		}}})
 		return
 	}
 
@@ -209,18 +277,31 @@ func (uc *UserController) RegisterUser(c *gin.Context) {
 
 	if err := c.ShouldBindJSON(&regData); err != nil {
 		logger.Error.Printf("Couldn't decode Userdata: %v", err)
-		c.JSON(http.StatusBadRequest, gin.H{"error": "Couldn't decode userdata"})
+		var validationErrors []gin.H
-		return
+		if ve, ok := err.(validator.ValidationErrors); ok {
-	}
+			for _, e := range ve {
-	if regData.User.Membership.SubscriptionModel.Name == "" {
+				validationErrors = append(validationErrors, gin.H{
-		logger.Error.Printf("No subscription model provided: %v", regData.User.Email)
+					"field": e.Field(),
-		c.JSON(http.StatusNotAcceptable, gin.H{"error": "No subscription model provided"})
+					"key":   "server.validation." + e.Tag(),
+				})
+			}
+		} else {
+			validationErrors = append(validationErrors, gin.H{
+				"field": "general",
+				"key":   "server.error.invalid_json",
+			})
+		}
+		c.JSON(http.StatusBadRequest, gin.H{"error": validationErrors})
 		return
 	}
+
 	selectedModel, err := uc.MembershipService.GetModelByName(&regData.User.Membership.SubscriptionModel.Name)
 	if err != nil {
 		logger.Error.Printf("%v:No subscription model found: %#v", regData.User.Email, err)
-		c.JSON(http.StatusNotFound, gin.H{"error": "Not a valid subscription model"})
+		c.JSON(http.StatusNotFound, gin.H{"errors": []gin.H{{
+			"field": "subscription_model",
+			"key":   "server.validation.invalid_subscription_model",
+		}}})
 		return
 	}
 	regData.User.Membership.SubscriptionModel = *selectedModel
@@ -231,7 +312,18 @@ func (uc *UserController) RegisterUser(c *gin.Context) {
 	id, token, err := uc.Service.RegisterUser(&regData.User)
 	if err != nil {
 		logger.Error.Printf("Couldn't register User(%v): %v", regData.User.Email, err)
-		c.JSON(int(id), gin.H{"error": "Couldn't register User"})
+		if strings.Contains(err.Error(), "UNIQUE constraint failed: users.email") {
+			c.JSON(http.StatusConflict, gin.H{"errors": []gin.H{{
+				"field": "email",
+				"key":   "server.validation.email_already_registered",
+			}}})
+		} else {
+			logger.Error.Printf("Failed to register user: %v", err)
+			c.JSON(http.StatusInternalServerError, gin.H{"errors": []gin.H{{
+				"field": "general",
+				"key":   "server.error.internal_server_error",
+			}}})
+		}
 		return
 	}
 	regData.User.ID = id
@@ -255,7 +347,10 @@ func (uc *UserController) RegisterUser(c *gin.Context) {
 		_, err = uc.ConsentService.RegisterConsent(&consent)
 		if err != nil {
 			logger.Error.Printf("%v, Couldn't register consent: %v", regData.User.Email, err)
-			c.JSON(http.StatusInternalServerError, gin.H{"error": "Couldn't register User-consent"})
+			c.JSON(http.StatusInternalServerError, gin.H{"errors": []gin.H{{
+				"field": "general",
+				"key":   "server.error.internal_server_error",
+			}}})
 			return
 		}
 	}

internal/controllers/user_controller_test.go

@@ -243,6 +243,7 @@ func testCurrentUserHandler(t *testing.T, loginEmail string, loginCookie http.Co
 		expectedUserMail string
 		expectedStatus   int
 		expectNewCookie  bool
+		expectedErrors   []map[string]string
 	}{
 		{
 			name: "With valid cookie",
@@ -274,6 +275,9 @@ func testCurrentUserHandler(t *testing.T, loginEmail string, loginCookie http.Co
 			name:           "Without cookie",
 			setupCookie:    func(req *http.Request) {},
 			expectedStatus: http.StatusUnauthorized,
+			expectedErrors: []map[string]string{
+				{"field": "general", "key": "server.error.no_auth_token"},
+			},
 		},
 		{
 			name: "With invalid cookie",
@@ -281,6 +285,9 @@ func testCurrentUserHandler(t *testing.T, loginEmail string, loginCookie http.Co
 				req.AddCookie(&invalidCookie)
 			},
 			expectedStatus: http.StatusUnauthorized,
+			expectedErrors: []map[string]string{
+				{"field": "general", "key": "server.error.no_auth_token"},
+			},
 		},
 	}
 
@@ -327,12 +334,22 @@ func testCurrentUserHandler(t *testing.T, loginEmail string, loginCookie http.Co
 					assert.Nil(t, newCookie, "No new cookie should be set for non-expired token")
 				}
 			} else {
-				// For unauthorized requests, check for an error message
+				// For unauthorized requests, check for the new error structure
-				var errorResponse map[string]string
+				var errorResponse map[string]interface{}
 				err := json.Unmarshal(w.Body.Bytes(), &errorResponse)
 				assert.NoError(t, err)
-				assert.Contains(t, errorResponse, "error")
+
-				assert.NotEmpty(t, errorResponse["error"])
+				errors, ok := errorResponse["errors"].([]interface{})
+				assert.True(t, ok, "Expected 'errors' field in response")
+				assert.Len(t, errors, len(tt.expectedErrors), "Unexpected number of errors")
+
+				for i, expectedError := range tt.expectedErrors {
+					if i < len(errors) {
+						actualError := errors[i].(map[string]interface{})
+						assert.Equal(t, expectedError["field"], actualError["field"], "Mismatched error field")
+						assert.Equal(t, expectedError["key"], actualError["key"], "Mismatched error key")
+					}
+				}
 			}
 
 		})
@@ -414,7 +431,7 @@ func testUpdateUser(t *testing.T, loginEmail string, loginCookie http.Cookie) {
 		setupCookie    func(*http.Request)
 		updateFunc     func(*models.User)
 		expectedStatus int
-		expectedError  string
+		expectedErrors []map[string]string
 	}{
 		{
 			name: "Valid Update",
@@ -441,7 +458,9 @@ func testUpdateUser(t *testing.T, loginEmail string, loginCookie http.Cookie) {
 				u.Phone = "01738484994"
 			},
 			expectedStatus: http.StatusUnauthorized,
-			expectedError:  "Auth token invalid",
+			expectedErrors: []map[string]string{
+				{"field": "general", "key": "server.error.no_auth_token"},
+			},
 		},
 		{
 			name: "Invalid Email Update",
@@ -456,7 +475,9 @@ func testUpdateUser(t *testing.T, loginEmail string, loginCookie http.Cookie) {
 				u.Email = "invalid-email"
 			},
 			expectedStatus: http.StatusBadRequest,
-			expectedError:  "Invalid user data",
+			expectedErrors: []map[string]string{
+				{"field": "Email", "key": "server.validation.email"},
+			},
 		},
 		{
 			name: "Change LicenceNumber",
@@ -491,7 +512,7 @@ func testUpdateUser(t *testing.T, loginEmail string, loginCookie http.Cookie) {
 			expectedStatus: http.StatusAccepted,
 		},
 		{
-			name: "Add 2 categories",
+			name: "Delete 1 and add 1 category",
 			setupCookie: func(req *http.Request) {
 				req.AddCookie(&loginCookie)
 			},
@@ -502,13 +523,31 @@ func testUpdateUser(t *testing.T, loginEmail string, loginCookie http.Cookie) {
 				u.Phone = "01738484994"
 				u.DriversLicence.LicenceNumber = "B072RRE2I50"
 				var licenceRepo repositories.DriversLicenceInterface = &repositories.DriversLicenceRepository{}
-				category, err := licenceRepo.FindCategoryByName("B")
+				category, err := licenceRepo.FindCategoryByName("A")
 				category2, err := licenceRepo.FindCategoryByName("BE")
 				assert.NoError(t, err)
 				u.DriversLicence.LicenceCategories = []models.LicenceCategory{category, category2}
 			},
 			expectedStatus: http.StatusAccepted,
 		},
+		{
+			name: "Delete 1 category",
+			setupCookie: func(req *http.Request) {
+				req.AddCookie(&loginCookie)
+			},
+			updateFunc: func(u *models.User) {
+				u.Password = ""
+				u.FirstName = "John Updated"
+				u.LastName = "Doe Updated"
+				u.Phone = "01738484994"
+				u.DriversLicence.LicenceNumber = "B072RRE2I50"
+				var licenceRepo repositories.DriversLicenceInterface = &repositories.DriversLicenceRepository{}
+				category, err := licenceRepo.FindCategoryByName("A")
+				assert.NoError(t, err)
+				u.DriversLicence.LicenceCategories = []models.LicenceCategory{category}
+			},
+			expectedStatus: http.StatusAccepted,
+		},
 		{
 			name: "Delete all categories",
 			setupCookie: func(req *http.Request) {
@@ -538,7 +577,9 @@ func testUpdateUser(t *testing.T, loginEmail string, loginCookie http.Cookie) {
 				u.FirstName = "John Missing ID"
 			},
 			expectedStatus: http.StatusForbidden,
-			expectedError:  "You are not authorized to update this user",
+			expectedErrors: []map[string]string{
+				{"field": "general", "key": "server.error.unauthorized_update"},
+			},
 		},
 		{
 			name: "Password Update",
@@ -582,7 +623,7 @@ func testUpdateUser(t *testing.T, loginEmail string, loginCookie http.Cookie) {
 				t.Fatalf("Failed to marshal user data: %v", err)
 			}
 
-			logger.Error.Printf("Updated User: %#v", updatedUser)
+			// logger.Error.Printf("Updated User: %#v", updatedUser)
 			// Create request
 			req, _ := http.NewRequest("PUT", "/users/"+strconv.FormatUint(uint64(user.ID), 10), bytes.NewBuffer(jsonData))
 			req.Header.Set("Content-Type", "application/json")
@@ -599,18 +640,38 @@ func testUpdateUser(t *testing.T, loginEmail string, loginCookie http.Cookie) {
 			// Perform request
 			router.ServeHTTP(w, req)
 
+			bodyBytes, _ := io.ReadAll(w.Body)
+			t.Logf("Response Body: %s", string(bodyBytes))
 			// Check status code
 			assert.Equal(t, tt.expectedStatus, w.Code)
 
 			// Parse response
 			var response map[string]interface{}
-			err = json.Unmarshal(w.Body.Bytes(), &response)
+			err = json.Unmarshal(bodyBytes, &response)
-			assert.NoError(t, err)
+			if err != nil {
+				t.Fatalf("Failed to unmarshal response body: %v", err)
+			}
 
-			if tt.expectedError != "" {
+			if tt.expectedErrors != nil {
-				assert.Equal(t, tt.expectedError, response["error"])
+				errors, ok := response["errors"].([]interface{})
+				if !ok {
+					t.Fatalf("Expected 'errors' field in response, got: %v", response)
+				}
+				assert.Len(t, errors, len(tt.expectedErrors), "Unexpected number of errors")
+				for i, expectedError := range tt.expectedErrors {
+					if i < len(errors) {
+						actualError := errors[i].(map[string]interface{})
+						assert.Equal(t, expectedError["field"], actualError["field"], "Mismatched error field")
+						assert.Equal(t, expectedError["key"], actualError["key"], "Mismatched error key")
+					}
+				}
 			} else {
-				assert.Equal(t, "User updated successfully", response["message"])
+				// Check for success message
+				message, ok := response["message"].(string)
+				if !ok {
+					t.Fatalf("Expected 'message' field in response, got: %v", response)
+				}
+				assert.Equal(t, "User updated successfully", message)
 
 				// Verify the update in the database
 				updatedUserFromDB, err := Uc.Service.GetUserByID(user.ID)
@@ -844,7 +905,7 @@ func getTestUsers() []RegisterUserTest {
 	return []RegisterUserTest{
 		{
 			Name:         "birthday < 18 should fail",
-			WantResponse: http.StatusNotAcceptable,
+			WantResponse: http.StatusBadRequest,
 			WantDBData:   map[string]interface{}{"email": "john.doe@example.com"},
 			Assert:       false,
 			Input: GenerateInputJSON(customizeInput(func(user models.User) models.User {
@@ -854,7 +915,7 @@ func getTestUsers() []RegisterUserTest {
 		},
 		{
 			Name:         "FirstName empty, should fail",
-			WantResponse: http.StatusNotAcceptable,
+			WantResponse: http.StatusBadRequest,
 			WantDBData:   map[string]interface{}{"email": "john.doe@example.com"},
 			Assert:       false,
 			Input: GenerateInputJSON(customizeInput(func(user models.User) models.User {
@@ -864,7 +925,7 @@ func getTestUsers() []RegisterUserTest {
 		},
 		{
 			Name:         "LastName Empty should fail",
-			WantResponse: http.StatusNotAcceptable,
+			WantResponse: http.StatusBadRequest,
 			WantDBData:   map[string]interface{}{"email": "john.doe@example.com"},
 			Assert:       false,
 			Input: GenerateInputJSON(customizeInput(func(user models.User) models.User {
@@ -874,7 +935,7 @@ func getTestUsers() []RegisterUserTest {
 		},
 		{
 			Name:         "EMail wrong format should fail",
-			WantResponse: http.StatusNotAcceptable,
+			WantResponse: http.StatusBadRequest,
 			WantDBData:   map[string]interface{}{"email": "johnexample.com"},
 			Assert:       false,
 			Input: GenerateInputJSON(customizeInput(func(user models.User) models.User {
@@ -884,7 +945,7 @@ func getTestUsers() []RegisterUserTest {
 		},
 		{
 			Name:         "Missing Zip Code should fail",
-			WantResponse: http.StatusNotAcceptable,
+			WantResponse: http.StatusBadRequest,
 			WantDBData:   map[string]interface{}{"email": "john.doe@example.com"},
 			Assert:       false,
 			Input: GenerateInputJSON(customizeInput(func(user models.User) models.User {
@@ -894,7 +955,7 @@ func getTestUsers() []RegisterUserTest {
 		},
 		{
 			Name:         "Missing Address should fail",
-			WantResponse: http.StatusNotAcceptable,
+			WantResponse: http.StatusBadRequest,
 			WantDBData:   map[string]interface{}{"email": "john.doe@example.com"},
 			Assert:       false,
 			Input: GenerateInputJSON(customizeInput(func(user models.User) models.User {
@@ -904,7 +965,7 @@ func getTestUsers() []RegisterUserTest {
 		},
 		{
 			Name:         "Missing City should fail",
-			WantResponse: http.StatusNotAcceptable,
+			WantResponse: http.StatusBadRequest,
 			WantDBData:   map[string]interface{}{"email": "john.doe@example.com"},
 			Assert:       false,
 			Input: GenerateInputJSON(customizeInput(func(user models.User) models.User {
@@ -914,7 +975,7 @@ func getTestUsers() []RegisterUserTest {
 		},
 		{
 			Name:         "Missing IBAN should fail",
-			WantResponse: http.StatusNotAcceptable,
+			WantResponse: http.StatusBadRequest,
 			WantDBData:   map[string]interface{}{"email": "john.doe@example.com"},
 			Assert:       false,
 			Input: GenerateInputJSON(customizeInput(func(user models.User) models.User {
@@ -924,7 +985,7 @@ func getTestUsers() []RegisterUserTest {
 		},
 		{
 			Name:         "Invalid IBAN should fail",
-			WantResponse: http.StatusNotAcceptable,
+			WantResponse: http.StatusBadRequest,
 			WantDBData:   map[string]interface{}{"email": "john.doe@example.com"},
 			Assert:       false,
 			Input: GenerateInputJSON(customizeInput(func(user models.User) models.User {
@@ -934,7 +995,7 @@ func getTestUsers() []RegisterUserTest {
 		},
 		{
 			Name:         "Missing subscription plan should fail",
-			WantResponse: http.StatusNotAcceptable,
+			WantResponse: http.StatusBadRequest,
 			WantDBData:   map[string]interface{}{"email": "john.doe@example.com"},
 			Assert:       false,
 			Input: GenerateInputJSON(customizeInput(func(user models.User) models.User {
@@ -944,7 +1005,7 @@ func getTestUsers() []RegisterUserTest {
 		},
 		{
 			Name:         "Invalid subscription plan should fail",
-			WantResponse: http.StatusNotFound,
+			WantResponse: http.StatusBadRequest,
 			WantDBData:   map[string]interface{}{"email": "john.doe@example.com"},
 			Assert:       false,
 			Input: GenerateInputJSON(customizeInput(func(user models.User) models.User {
@@ -982,7 +1043,7 @@ func getTestUsers() []RegisterUserTest {
 		},
 		{
 			Name:         "Subscription constraints not entered; should fail",
-			WantResponse: http.StatusNotAcceptable,
+			WantResponse: http.StatusBadRequest,
 			WantDBData:   map[string]interface{}{"email": "john.junior.doe@example.com"},
 			Assert:       false,
 			Input: GenerateInputJSON(customizeInput(func(user models.User) models.User {
@@ -993,7 +1054,7 @@ func getTestUsers() []RegisterUserTest {
 		},
 		{
 			Name:         "Subscription constraints wrong; should fail",
-			WantResponse: http.StatusNotAcceptable,
+			WantResponse: http.StatusBadRequest,
 			WantDBData:   map[string]interface{}{"email": "john.junior.doe@example.com"},
 			Assert:       false,
 			Input: GenerateInputJSON(customizeInput(func(user models.User) models.User {
@@ -1028,7 +1089,7 @@ func getTestUsers() []RegisterUserTest {
 		},
 		{
 			Name:         "wrong driverslicence number, should fail",
-			WantResponse: http.StatusNotAcceptable,
+			WantResponse: http.StatusBadRequest,
 			WantDBData:   map[string]interface{}{"email": "john.wronglicence.doe@example.com"},
 			Assert:       false,
 			Input: GenerateInputJSON(customizeInput(func(user models.User) models.User {

internal/middlewares/auth.go

@@ -78,7 +78,11 @@ func AuthMiddleware() gin.HandlerFunc {
 		tokenString, err := c.Cookie("jwt")
 		if err != nil {
 			logger.Error.Printf("No Auth token: %v\n", err)
-			c.JSON(http.StatusUnauthorized, gin.H{"error": "No Auth token"})
+			c.JSON(http.StatusUnauthorized,
+				gin.H{"errors": []gin.H{{
+					"field": "general",
+					"key":   "server.error.no_auth_token",
+				}}})
 			c.Abort()
 			return
 		}
@@ -91,7 +95,11 @@ func AuthMiddleware() gin.HandlerFunc {
 				return
 			}
 			logger.Error.Printf("Token(%v) is invalid: %v\n", tokenString, err)
-			c.JSON(http.StatusUnauthorized, gin.H{"error": "Auth token invalid"})
+			c.JSON(http.StatusUnauthorized,
+				gin.H{"errors": []gin.H{{
+					"field": "general",
+					"key":   "server.error.no_auth_token",
+				}}})
 			c.Abort()
 			return
 		}