add: update handling

internal/controllers/user_controller.go

@@ -1,17 +1,18 @@
 package controllers
 
 import (
-	"fmt"
+	"GoMembership/internal/config"
-
 	"GoMembership/internal/constants"
 	"GoMembership/internal/middlewares"
 	"GoMembership/internal/models"
 	"GoMembership/internal/services"
+	"GoMembership/internal/utils"
 
 	"net/http"
 
 	"github.com/gin-gonic/gin"
 
+	"GoMembership/pkg/errors"
 	"GoMembership/pkg/logger"
 )
 
@@ -27,12 +28,80 @@ type RegistrationData struct {
 	User models.User `json:"user"`
 }
 
-func (uc *UserController) CurrentUserHandler(c *gin.Context) {
+func (uc *UserController) UpdateHandler(c *gin.Context) {
-	userIDString, ok := c.Get("user_id")
+	var user models.User
-	if !ok || userIDString == nil {
+	if err := c.ShouldBindJSON(&user); err != nil {
-		logger.Error.Printf("Error getting user_id from header")
+		logger.Error.Printf("Couldn't decode input: %v", err)
+		c.JSON(http.StatusBadRequest, gin.H{"error": "Couldn't decode request data"})
+		return
 	}
-	userID := userIDString.(float64)
+	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.Abort()
+		return
+	}
+	_, claims, err := middlewares.ExtractContentFrom(tokenString)
+	if err != nil {
+
+		logger.Error.Printf("Error retrieving token and claims from JWT")
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "JWT parsing error"})
+		return
+	}
+	jwtUserID := int64((*claims)["user_id"].(float64))
+	userRole := int8((*claims)["role_id"].(float64))
+	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"})
+		return
+	}
+	if user.ID != jwtUserID && userRole < constants.Roles.Editor {
+		c.JSON(http.StatusForbidden, gin.H{"error": "You are not authorized to update this user"})
+		return
+	}
+	// TODO: If it's not an admin, prevent changes to critical fields
+	// if userRole != constants.Roles.Admin {
+	// 	existingUser, err := uc.Service.GetUserByID(jwtUserID)
+	// 	if err != nil {
+	// 		c.JSON(http.StatusInternalServerError, gin.H{"error": "Error retrieving user data"})
+	// 		return
+	// 	}
+	// 	user.Email = existingUser.Email
+	// 	user.RoleID = existingUser.RoleID
+	// }
+
+	updatedUser, err := uc.Service.UpdateUser(&user)
+	if err != nil {
+		switch err {
+		case errors.ErrUserNotFound:
+			c.JSON(http.StatusNotFound, gin.H{"error": "User not found"})
+		case errors.ErrInvalidUserData:
+			c.JSON(http.StatusBadRequest, gin.H{"error": "Invalid user data"})
+		default:
+			logger.Error.Printf("Failed to update user: %v", err)
+			c.JSON(http.StatusInternalServerError, gin.H{"error": "Internal Server error"})
+		}
+		return
+	}
+	c.JSON(http.StatusAccepted, gin.H{"message": "User updated successfully", "user": updatedUser})
+}
+
+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"})
+		return
+	}
+	userID, ok := userIDInterface.(int64)
+
+	if !ok {
+		logger.Error.Printf("Error: user_id is not of type int64")
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Invalid user ID type"})
+		return
+	}
+
 	user, err := uc.Service.GetUserByID(int64(userID))
 	if err != nil {
 		logger.Error.Printf("Error retrieving valid user: %v", err)
@@ -44,7 +113,13 @@ func (uc *UserController) CurrentUserHandler(c *gin.Context) {
 }
 
 func (uc *UserController) LogoutHandler(c *gin.Context) {
-	// just clear the JWT cookie
+	tokenString, err := c.Cookie("jwt")
+	if err != nil {
+		logger.Error.Printf("unable to get token from cookie: %#v", err)
+	}
+
+	middlewares.InvalidateSession(tokenString)
+
 	c.SetCookie("jwt", "", -1, "/", "", true, true)
 	c.JSON(http.StatusOK, gin.H{"message": "Logged out successfully"})
 }
@@ -82,25 +157,17 @@ func (uc *UserController) LoginHandler(c *gin.Context) {
 		return
 	}
 
-	token, err := middlewares.GenerateToken(user.ID)
+	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"})
 		return
 	}
 
-	c.SetCookie(
+	utils.SetCookie(c, token)
-		"jwt",
-		token,
-		10*60, // 10 minutes
-		"/",
-		"",
-		true,
-		true,
-	)
 
 	c.JSON(http.StatusOK, gin.H{
 		"message": "Login successful",
-		"set-token": token,
 	})
 }
 
@@ -118,7 +185,7 @@ func (uc *UserController) RegisterUser(c *gin.Context) {
 		c.JSON(http.StatusNotAcceptable, gin.H{"error": "No subscription model provided"})
 		return
 	}
-
+	logger.Error.Printf("user.membership: %#v", regData.User.Membership)
 	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)
@@ -134,7 +201,7 @@ 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": fmt.Sprintf("Couldn't register User: %v", err)})
+		c.JSON(int(id), gin.H{"error": "Couldn't register User"})
 		return
 	}
 	regData.User.ID = id
@@ -194,7 +261,7 @@ func (uc *UserController) VerifyMailHandler(c *gin.Context) {
 		c.HTML(http.StatusUnauthorized, "verification_error.html", gin.H{"ErrorMessage": "Emailadresse wurde schon bestätigt. Sollte dies nicht der Fall sein, wende Dich bitte an info@carsharing-hasloh.de."})
 		return
 	}
-	logger.Info.Printf("User: %#v", user)
+	logger.Info.Printf("VerificationMailHandler User: %#v", user.Email)
 
 	uc.EmailService.SendWelcomeEmail(user)
 	c.HTML(http.StatusOK, "verification_success.html", gin.H{"FirstName": user.FirstName})

internal/controllers/user_controller_test.go

@@ -1,6 +1,7 @@
 package controllers
 
 import (
+	"bytes"
 	"encoding/json"
 	"fmt"
 	"io"
@@ -9,6 +10,7 @@ import (
 	"net/url"
 	"path/filepath"
 	"regexp"
+	"strconv"
 	"strings"
 	"testing"
 	"time"
@@ -22,12 +24,9 @@ import (
 	"GoMembership/internal/models"
 	"GoMembership/internal/utils"
 	"GoMembership/pkg/logger"
-)
 
-type loginInput struct {
+	"github.com/golang-jwt/jwt/v5"
-	Email    string `json:"email"`
+)
-	Password string `json:"password"`
-}
 
 type RegisterUserTest struct {
 	WantDBData   map[string]interface{}
@@ -37,6 +36,8 @@ type RegisterUserTest struct {
 	Assert       bool
 }
 
+var jwtSigningMethod = jwt.SigningMethodHS256
+
 func (rt *RegisterUserTest) SetupContext() (*gin.Context, *httptest.ResponseRecorder, *gin.Engine) {
 	return GetMockedJSONContext([]byte(rt.Input), "register")
 }
@@ -61,17 +62,23 @@ func testUserController(t *testing.T) {
 
 	tests := getTestUsers()
 	for _, tt := range tests {
+		logger.Error.Print("==============================================================")
+		logger.Error.Printf("Register User Testing : %v", tt.Name)
+		logger.Error.Print("==============================================================")
 		t.Run(tt.Name, func(t *testing.T) {
 			if err := runSingleTest(&tt); err != nil {
 				t.Fatalf("Test failed: %v", err.Error())
 			}
 		})
 	}
-	testCurrentUserHandler(t)
+
+	loginEmail, loginCookie := testLoginHandler(t)
+	logoutCookie := testCurrentUserHandler(t, loginEmail, loginCookie)
+	testUpdateUser(t, loginEmail, loginCookie)
+	testLogoutHandler(t, logoutCookie)
 }
 
-func testLogoutHandler(t *testing.T) {
+func testLogoutHandler(t *testing.T, loginCookie http.Cookie) {
-	loginCookie := testCurrentUserHandler(t)
 
 	tests := []struct {
 		name           string
@@ -93,6 +100,9 @@ func testLogoutHandler(t *testing.T) {
 	}
 
 	for _, tt := range tests {
+		logger.Error.Print("==============================================================")
+		logger.Error.Printf("Logout User Testing : %v", tt.name)
+		logger.Error.Print("==============================================================")
 		t.Run(tt.name, func(t *testing.T) {
 			gin.SetMode(gin.TestMode)
 			router := gin.New()
@@ -125,11 +135,11 @@ func testLogoutHandler(t *testing.T) {
 
 			// Verify that the user can no longer access protected routes
 			w = httptest.NewRecorder()
-			req, _ = http.NewRequest("GET", "/current-user", nil)
+			req, _ = http.NewRequest("GET", "/current", nil)
 			if logoutCookie != nil {
 				req.AddCookie(logoutCookie)
 			}
-			router.GET("/current-user", middlewares.AuthMiddleware(), Uc.CurrentUserHandler)
+			router.GET("/current", middlewares.AuthMiddleware(), Uc.CurrentUserHandler)
 			router.ServeHTTP(w, req)
 			assert.Equal(t, http.StatusUnauthorized, w.Code, "User should not be able to access protected routes after logout")
 		})
@@ -196,9 +206,8 @@ func testLoginHandler(t *testing.T) (string, http.Cookie) {
 				assert.NoError(t, err)
 
 				if tt.wantToken {
-					logger.Info.Printf("Response: %#v", response)
+					assert.Contains(t, response, "message")
-					assert.Contains(t, response, "set-token")
+					assert.Equal(t, "Login successful", response["message"])
-					assert.NotEmpty(t, response["set-token"])
 					for _, cookie := range w.Result().Cookies() {
 						if cookie.Name == "jwt" {
 							loginCookie = *cookie
@@ -211,7 +220,8 @@ func testLoginHandler(t *testing.T) (string, http.Cookie) {
 					}
 					assert.NotEmpty(t, loginCookie)
 				} else {
-					assert.NotContains(t, response, "set-token")
+					assert.Contains(t, response, "error")
+					assert.NotEmpty(t, response["error"])
 				}
 			})
 
@@ -220,8 +230,7 @@ func testLoginHandler(t *testing.T) (string, http.Cookie) {
 	return loginInput.Email, loginCookie
 }
 
-func testCurrentUserHandler(t *testing.T) http.Cookie {
+func testCurrentUserHandler(t *testing.T, loginEmail string, loginCookie http.Cookie) http.Cookie {
-	loginEmail, loginCookie := testLoginHandler(t)
 	// This test should run after the user login test
 	invalidCookie := http.Cookie{
 		Name:  "jwt",
@@ -232,6 +241,7 @@ func testCurrentUserHandler(t *testing.T) http.Cookie {
 		setupCookie      func(*http.Request)
 		expectedUserMail string
 		expectedStatus   int
+		expectNewCookie  bool
 	}{
 		{
 			name: "With valid cookie",
@@ -241,6 +251,24 @@ func testCurrentUserHandler(t *testing.T) http.Cookie {
 			expectedUserMail: loginEmail,
 			expectedStatus:   http.StatusOK,
 		},
+		{
+			name: "With valid expired cookie",
+			setupCookie: func(req *http.Request) {
+				sessionID := "test-session"
+				token := jwt.NewWithClaims(jwtSigningMethod, jwt.MapClaims{
+					"user_id":    1,
+					"role_id":    0,
+					"session_id": sessionID,
+					"exp":        time.Now().Add(-time.Hour).Unix(), // Expired 1 hour ago
+				})
+				tokenString, _ := token.SignedString([]byte(config.Auth.JWTSecret))
+				req.AddCookie(&http.Cookie{Name: "jwt", Value: tokenString})
+				middlewares.UpdateSession(sessionID, 1) // Add a valid session
+			},
+			expectedUserMail: config.Recipients.AdminEmail,
+			expectedStatus:   http.StatusOK,
+			expectNewCookie:  true,
+		},
 		{
 			name:           "Without cookie",
 			setupCookie:    func(req *http.Request) {},
@@ -259,18 +287,15 @@ func testCurrentUserHandler(t *testing.T) http.Cookie {
 		logger.Error.Print("==============================================================")
 		logger.Error.Printf("Testing : %v", tt.name)
 		logger.Error.Print("==============================================================")
-		if tt.expectedStatus == http.StatusOK {
-			time.Sleep(time.Second) // Small delay to ensure different timestamps to get a different JWT token
-		}
 		t.Run(tt.name, func(t *testing.T) {
 
 			gin.SetMode(gin.TestMode)
 			router := gin.New()
 			router.Use(middlewares.AuthMiddleware())
-			router.GET("/current-user", Uc.CurrentUserHandler)
+			router.GET("/current", Uc.CurrentUserHandler)
 
 			w := httptest.NewRecorder()
-			req, _ := http.NewRequest("GET", "/current-user", nil)
+			req, _ := http.NewRequest("GET", "/current", nil)
 			tt.setupCookie(req)
 
 			router.ServeHTTP(w, req)
@@ -290,9 +315,13 @@ func testCurrentUserHandler(t *testing.T) http.Cookie {
 						break
 					}
 				}
-				assert.NotNil(t, newCookie, "Cookie should be renewed")
+				if tt.expectNewCookie {
+					assert.NotNil(t, newCookie, "New cookie should be set for expired token")
 					assert.NotEqual(t, loginCookie.Value, newCookie.Value, "Cookie value should be different")
 					assert.True(t, newCookie.MaxAge > 0, "New cookie should not be expired")
+				} else {
+					assert.Nil(t, newCookie, "No new cookie should be set for non-expired token")
+				}
 			} else {
 				// For unauthorized requests, check for an error message
 				var errorResponse map[string]string
@@ -316,29 +345,32 @@ func validateUser(assert bool, wantDBData map[string]interface{}) error {
 	if assert != (len(*users) != 0) {
 		return fmt.Errorf("User entry query didn't met expectation: %v != %#v", assert, *users)
 	}
-
 	if assert {
 		//check for email delivery
 		messages := utils.SMTPGetMessages()
 		for _, message := range messages {
 			mail, err := utils.DecodeMail(message.MsgRequest())
 			if err != nil {
+				logger.Error.Printf("Error in validateUser: %#v", err)
 				return err
 			}
 			if strings.Contains(mail.Subject, constants.MailRegistrationSubject) {
 				if err := checkRegistrationMail(mail, &(*users)[0]); err != nil {
+					logger.Error.Printf("Error in checkRegistrationMail: %#v", err)
 					return err
 				}
 			} else if strings.Contains(mail.Subject, constants.MailVerificationSubject) {
 				if err := checkVerificationMail(mail, &(*users)[0]); err != nil {
+					logger.Error.Printf("Error in checkVerificationMail: %#v", err)
 					return err
 				}
 				verifiedUsers, err := Uc.Service.GetUsers(wantDBData)
 				if err != nil {
+					logger.Error.Printf("Error in GetUsers: %#v", err)
 					return err
 				}
 				if (*verifiedUsers)[0].Status != constants.VerifiedStatus {
-					return fmt.Errorf("Users status isn't verified after email verification. Status is: %#v", (*verifiedUsers)[0].Status)
+					return fmt.Errorf("Users(%v) status isn't verified after email verification. Status is: %v", (*verifiedUsers)[0].Email, (*verifiedUsers)[0].Status)
 				}
 			} else {
 				return fmt.Errorf("Subject not expected: %v", mail.Subject)
@@ -348,6 +380,168 @@ func validateUser(assert bool, wantDBData map[string]interface{}) error {
 	return nil
 }
 
+func testUpdateUser(t *testing.T, loginEmail string, loginCookie http.Cookie) {
+
+	invalidCookie := http.Cookie{
+		Name:  "jwt",
+		Value: "invalid.token.here",
+	}
+	// Get the user we just created
+	users, err := Uc.Service.GetUsers(map[string]interface{}{"email": "john.doe@example.com"})
+	if err != nil || len(*users) == 0 {
+		t.Fatalf("Failed to get test user: %v", err)
+	}
+	user := (*users)[0]
+
+	tests := []struct {
+		name           string
+		setupCookie    func(*http.Request)
+		updateFunc     func(*models.User)
+		expectedStatus int
+		expectedError  string
+	}{
+		{
+			name: "Valid Update",
+			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"
+			},
+			expectedStatus: http.StatusAccepted,
+		},
+		{
+			name: "Password Update",
+			setupCookie: func(req *http.Request) {
+				req.AddCookie(&loginCookie)
+			},
+			updateFunc: func(u *models.User) {
+				u.Password = "NewPassword"
+			},
+			expectedStatus: http.StatusAccepted,
+		},
+		{
+			name: "Valid Update, invalid cookie",
+			setupCookie: func(req *http.Request) {
+				req.AddCookie(&invalidCookie)
+			},
+			updateFunc: func(u *models.User) {
+				u.Password = ""
+				u.FirstName = "John Updated"
+				u.LastName = "Doe Updated"
+				u.Phone = "01738484994"
+			},
+			expectedStatus: http.StatusUnauthorized,
+			expectedError:  "Auth token invalid",
+		},
+		{
+			name: "Invalid Email Update",
+			setupCookie: func(req *http.Request) {
+				req.AddCookie(&loginCookie)
+			},
+			updateFunc: func(u *models.User) {
+				u.Password = ""
+				u.Email = "invalid-email"
+			},
+			expectedStatus: http.StatusBadRequest,
+			expectedError:  "Invalid user data",
+		},
+		{
+			name: "User ID mismatch while not admin",
+			setupCookie: func(req *http.Request) {
+				req.AddCookie(&loginCookie)
+			},
+			updateFunc: func(u *models.User) {
+				u.Password = ""
+				u.ID = 1
+				u.FirstName = "John Missing ID"
+			},
+			expectedStatus: http.StatusForbidden,
+			expectedError:  "You are not authorized to update this user",
+		},
+		// {
+		// 	name: "Non-existent User",
+		// 	setupCookie: func(req *http.Request) {
+		// 		req.AddCookie(&loginCookie)
+		// 	},
+		// 	updateFunc: func(u *models.User) {
+		// 		u.Password = ""
+		// 		u.ID = 99999
+		// 		u.FirstName = "Non-existent"
+		// 	},
+		// 	expectedStatus: http.StatusNotFound,
+		// 	expectedError:  "User not found",
+		// },
+	}
+
+	for _, tt := range tests {
+		logger.Error.Print("==============================================================")
+		logger.Error.Printf("Update Testing : %v", tt.name)
+		logger.Error.Print("==============================================================")
+		t.Run(tt.name, func(t *testing.T) {
+			// Create a copy of the user and apply the updates
+			updatedUser := user
+			tt.updateFunc(&updatedUser)
+
+			// Convert user to JSON
+			jsonData, err := json.Marshal(updatedUser)
+			if err != nil {
+				t.Fatalf("Failed to marshal user data: %v", err)
+			}
+
+			// Create request
+			req, _ := http.NewRequest("PUT", "/users/"+strconv.FormatInt(user.ID, 10), bytes.NewBuffer(jsonData))
+			req.Header.Set("Content-Type", "application/json")
+
+			tt.setupCookie(req)
+			// Create response recorder
+			w := httptest.NewRecorder()
+
+			// Set up router and add middleware
+			router := gin.New()
+			router.Use(middlewares.AuthMiddleware())
+			router.PUT("/users/:id", Uc.UpdateHandler)
+
+			// Perform request
+			router.ServeHTTP(w, req)
+
+			// Check status code
+			assert.Equal(t, tt.expectedStatus, w.Code)
+
+			// Parse response
+			var response map[string]interface{}
+			err = json.Unmarshal(w.Body.Bytes(), &response)
+			assert.NoError(t, err)
+
+			if tt.expectedError != "" {
+				assert.Equal(t, tt.expectedError, response["error"])
+			} else {
+				assert.Equal(t, "User updated successfully", response["message"])
+
+				// Verify the update in the database
+				updatedUserFromDB, err := Uc.Service.GetUserByID(user.ID)
+				updatedUserFromDB.UpdatedAt = updatedUser.UpdatedAt
+				updatedUserFromDB.Membership.UpdatedAt = updatedUser.Membership.UpdatedAt
+				updatedUserFromDB.BankAccount.UpdatedAt = updatedUser.BankAccount.UpdatedAt
+				updatedUserFromDB.Verification.UpdatedAt = updatedUser.Verification.UpdatedAt
+				updatedUserFromDB.Membership.SubscriptionModel.UpdatedAt = updatedUser.Membership.SubscriptionModel.UpdatedAt
+				if updatedUser.Password == "" {
+					assert.Equal(t, user.Password, (*updatedUserFromDB).Password)
+				} else {
+					assert.NotEqual(t, user.Password, (*updatedUserFromDB).Password)
+					updatedUser.Password = ""
+				}
+				updatedUserFromDB.Password = ""
+				assert.NoError(t, err)
+				assert.Equal(t, updatedUser, *updatedUserFromDB, "Updated user in DB does not match expected user")
+			}
+		})
+	}
+}
+
 func checkWelcomeMail(message *utils.Email, user *models.User) error {
 
 	if !strings.Contains(message.To, user.Email) {
@@ -506,23 +700,6 @@ func getVerificationURL(mailBody string) (string, error) {
 }
 
 // TEST DATA:
-func getBaseUser() models.User {
-	return models.User{
-		DateOfBirth:    time.Date(2000, time.January, 1, 0, 0, 0, 0, time.UTC),
-		FirstName:      "John",
-		LastName:       "Doe",
-		Email:          "john.doe@example.com",
-		Address:        "Pablo Escobar Str. 4",
-		ZipCode:        "25474",
-		City:           "Hasloh",
-		Phone:          "01738484993",
-		BankAccount:    models.BankAccount{IBAN: "DE89370400440532013000"},
-		Membership:     models.Membership{SubscriptionModel: models.SubscriptionModel{Name: "Basic"}},
-		ProfilePicture: "",
-		Password:       "password123",
-		Company:        "",
-	}
-}
 
 func customizeInput(customize func(models.User) models.User) *RegistrationData {
 	user := getBaseUser()

internal/repositories/user_repository.go

@@ -1,8 +1,6 @@
 package repositories
 
 import (
-	"time"
-
 	"gorm.io/gorm"
 
 	"GoMembership/internal/constants"
@@ -16,13 +14,13 @@ import (
 
 type UserRepositoryInterface interface {
 	CreateUser(user *models.User) (int64, error)
-	UpdateUser(userID int64, user *models.User) error
+	UpdateUser(user *models.User) (*models.User, error)
 	GetUsers(where map[string]interface{}) (*[]models.User, error)
-	GetUserByID(id int64) (*models.User, error)
+	GetUserByID(userID *int64) (*models.User, error)
 	GetUserByEmail(email string) (*models.User, error)
-	SetVerificationToken(user *models.User, token *string) (int64, error)
+	SetVerificationToken(verification *models.Verification) (int64, error)
 	IsVerified(userID *int64) (bool, error)
-	VerifyUserOfToken(token *string) (*models.User, error)
+	GetVerificationOfToken(token *string) (*models.Verification, error)
 }
 
 type UserRepository struct{}
@@ -35,21 +33,36 @@ func (ur *UserRepository) CreateUser(user *models.User) (int64, error) {
 	return user.ID, nil
 }
 
-func (ur *UserRepository) UpdateUser(userID int64, user *models.User) error {
+func (ur *UserRepository) UpdateUser(user *models.User) (*models.User, error) {
-	// logger.Info.Printf("Updating User: %#v\n", user)
 	if user == nil {
-		return errors.ErrNoData
+		return nil, errors.ErrNoData
 	}
-	result := database.DB.Session(&gorm.Session{FullSaveAssociations: true}).Updates(&user)
+
+	err := database.DB.Transaction(func(tx *gorm.DB) error {
+		if err := tx.First(&models.User{}, user.ID).Error; err != nil {
+			return err
+		}
+
+		result := tx.Session(&gorm.Session{FullSaveAssociations: true}).Updates(user)
 		if result.Error != nil {
 			return result.Error
 		}
-
 		if result.RowsAffected == 0 {
 			return errors.ErrNoRowsAffected
 		}
-
 		return nil
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	var updatedUser models.User
+	if err := database.DB.First(&updatedUser, user.ID).Error; err != nil {
+		return nil, err
+	}
+
+	return &updatedUser, nil
 }
 
 func (ur *UserRepository) GetUsers(where map[string]interface{}) (*[]models.User, error) {
@@ -70,7 +83,7 @@ func (ur *UserRepository) GetUsers(where map[string]interface{}) (*[]models.User
 	return &users, nil
 }
 
-func (ur *UserRepository) GetUserByID(id int64) (*models.User, error) {
+func (ur *UserRepository) GetUserByID(userID *int64) (*models.User, error) {
 	var user models.User
 	result := database.DB.
 		Preload("Consents").
@@ -78,7 +91,7 @@ func (ur *UserRepository) GetUserByID(id int64) (*models.User, error) {
 		Preload("Verification").
 		Preload("Membership", func(db *gorm.DB) *gorm.DB {
 			return db.Preload("SubscriptionModel")
-		}).First(&user, id)
+		}).First(&user, userID)
 	if result.Error != nil {
 		if result.Error == gorm.ErrRecordNotFound {
 			return nil, gorm.ErrRecordNotFound
@@ -112,7 +125,8 @@ func (ur *UserRepository) IsVerified(userID *int64) (bool, error) {
 	return user.Status != constants.UnverifiedStatus, nil
 }
 
-func (ur *UserRepository) VerifyUserOfToken(token *string) (*models.User, error) {
+func (ur *UserRepository) GetVerificationOfToken(token *string) (*models.Verification, error) {
+
 	var emailVerification models.Verification
 	result := database.DB.Where("verification_token = ?", token).First(&emailVerification)
 	if result.Error != nil {
@@ -121,49 +135,10 @@ func (ur *UserRepository) VerifyUserOfToken(token *string) (*models.User, error)
 		}
 		return nil, result.Error
 	}
-
+	return &emailVerification, nil
-	// Check if the user is already verified
-	verified, err := ur.IsVerified(&emailVerification.UserID)
-	if err != nil {
-		return nil, err
-	}
-	user, err := ur.GetUserByID(emailVerification.UserID)
-	if err != nil {
-		return nil, err
-	}
-	if verified {
-		return user, errors.ErrAlreadyVerified
-	}
-	// Update user status to active
-	t := time.Now()
-	emailVerification.EmailVerifiedAt = &t
-	user.Status = constants.VerifiedStatus
-	user.Verification = emailVerification
-
-	err = ur.UpdateUser(emailVerification.UserID, user)
-	if err != nil {
-		return nil, err
-	}
-
-	return user, nil
-}
-
-func (ur *UserRepository) SetVerificationToken(user *models.User, token *string) (int64, error) {
-	// Check if user is already verified
-	verified, err := ur.IsVerified(&user.ID)
-	if err != nil {
-		return -1, err
-	}
-	if verified {
-		return -1, errors.ErrAlreadyVerified
-	}
-
-	// Prepare the Verification record
-	verification := models.Verification{
-		UserID:            user.ID,
-		VerificationToken: *token,
 }
 
+func (ur *UserRepository) SetVerificationToken(verification *models.Verification) (int64, error) {
 	// Use GORM to insert or update the Verification record
 	result := database.DB.Clauses(clause.OnConflict{
 		Columns:   []clause.Column{{Name: "user_id"}},

internal/services/user_service.go

@@ -8,10 +8,12 @@ import (
 	"GoMembership/internal/models"
 	"GoMembership/internal/repositories"
 	"GoMembership/internal/utils"
+	"GoMembership/pkg/errors"
 	"GoMembership/pkg/logger"
 
 	"github.com/alexedwards/argon2id"
 	"github.com/go-playground/validator/v10"
+	"gorm.io/gorm"
 
 	"time"
 )
@@ -22,14 +24,42 @@ type UserServiceInterface interface {
 	GetUserByID(id int64) (*models.User, error)
 	GetUsers(where map[string]interface{}) (*[]models.User, error)
 	VerifyUser(token *string) (*models.User, error)
+	UpdateUser(user *models.User) (*models.User, error)
 }
 
 type UserService struct {
 	Repo repositories.UserRepositoryInterface
 }
 
+func (service *UserService) UpdateUser(user *models.User) (*models.User, error) {
+
+	if err := validateUserData(user); err != nil {
+		return nil, errors.ErrInvalidUserData
+	}
+
+	if user.Password != "" {
+		setPassword(user.Password, user)
+	}
+
+	user.UpdatedAt = time.Now()
+
+	updatedUser, err := service.Repo.UpdateUser(user)
+
+	if err != nil {
+		if err == gorm.ErrRecordNotFound {
+			return nil, errors.ErrUserNotFound
+		}
+		if strings.Contains(err.Error(), "UNIQUE constraint failed") {
+			return nil, errors.ErrDuplicateEntry
+		}
+		return nil, err
+	}
+
+	return updatedUser, nil
+}
+
 func (service *UserService) RegisterUser(user *models.User) (int64, string, error) {
-	if err := validateRegistrationData(user); err != nil {
+	if err := validateUserData(user); err != nil {
 		return http.StatusNotAcceptable, "", err
 	}
 
@@ -56,44 +86,22 @@ func (service *UserService) RegisterUser(user *models.User) (int64, string, erro
 
 	logger.Info.Printf("TOKEN: %v", token)
 
-	_, err = service.Repo.SetVerificationToken(user, &token)
+	// Check if user is already verified
+	verified, err := service.Repo.IsVerified(&user.ID)
 	if err != nil {
 		return http.StatusInternalServerError, "", err
 	}
-
+	if verified {
-	return id, token, nil
+		return http.StatusAlreadyReported, "", errors.ErrAlreadyVerified
 	}
 
-func (service *UserService) Update(user *models.User) (int64, string, error) {
+	// Prepare the Verification record
-	if err := validateRegistrationData(user); err != nil {
+	verification := models.Verification{
-		return http.StatusNotAcceptable, "", err
+		UserID:            user.ID,
+		VerificationToken: token,
 	}
 
-	setPassword(user.Password, user)
+	if _, err = service.Repo.SetVerificationToken(&verification); err != nil {
-
-	user.Status = constants.UnverifiedStatus
-	user.CreatedAt = time.Now()
-	user.UpdatedAt = time.Now()
-
-	id, err := service.Repo.CreateUser(user)
-
-	if err != nil && strings.Contains(err.Error(), "UNIQUE constraint failed") {
-		return http.StatusConflict, "", err
-	} else if err != nil {
-		return http.StatusInternalServerError, "", err
-	}
-
-	user.ID = id
-
-	token, err := utils.GenerateVerificationToken()
-	if err != nil {
-		return http.StatusInternalServerError, "", err
-	}
-
-	logger.Info.Printf("TOKEN: %v", token)
-
-	_, err = service.Repo.SetVerificationToken(user, &token)
-	if err != nil {
 		return http.StatusInternalServerError, "", err
 	}
 
@@ -102,7 +110,7 @@ func (service *UserService) Update(user *models.User) (int64, string, error) {
 
 func (service *UserService) GetUserByID(id int64) (*models.User, error) {
 
-	return service.Repo.GetUserByID(id)
+	return service.Repo.GetUserByID(&id)
 }
 
 func (service *UserService) GetUserByEmail(email string) (*models.User, error) {
@@ -114,19 +122,41 @@ func (service *UserService) GetUsers(where map[string]interface{}) (*[]models.Us
 }
 
 func (service *UserService) VerifyUser(token *string) (*models.User, error) {
-	user, err := service.Repo.VerifyUserOfToken(token)
+	verification, err := service.Repo.GetVerificationOfToken(token)
 	if err != nil {
 		return nil, err
 	}
+	// Check if the user is already verified
+	verified, err := service.Repo.IsVerified(&verification.UserID)
+	if err != nil {
+		return nil, err
+	}
+	user, err := service.Repo.GetUserByID(&verification.UserID)
+	if err != nil {
+		return nil, err
+	}
+	if verified {
+		return user, errors.ErrAlreadyVerified
+	}
+	// Update user status to active
+	t := time.Now()
+	verification.EmailVerifiedAt = &t
+
+	user.Status = constants.VerifiedStatus
+	user.Verification = *verification
+	user.ID = verification.UserID
+	service.Repo.UpdateUser(user)
+
 	return user, nil
 }
 
-func validateRegistrationData(user *models.User) error {
+func validateUserData(user *models.User) error {
 	validate := validator.New()
 	validate.RegisterValidation("age", utils.AgeValidator)
 	validate.RegisterValidation("bic", utils.BICValidator)
 	validate.RegisterValidation("iban", utils.IBANValidator)
 	validate.RegisterValidation("subscriptionModel", utils.SubscriptionModelValidator)
+	validate.RegisterValidation("safe_content", utils.ValidateSafeContent)
 	validate.RegisterValidation("membershipField", utils.ValidateRequiredMembershipField)
 
 	return validate.Struct(user)