add: Login system

internal/services/user_service.go

@@ -69,6 +69,47 @@ func (service *UserService) RegisterUser(user *models.User) (int64, string, erro
 
 func (service *UserService) FindUserByEmail(email string) (*models.User, error) {
 	return service.Repo.FindUserByEmail(email)
+func (service *UserService) Update(user *models.User) (int64, string, error) {
+	if err := validateRegistrationData(user); err != nil {
+		return http.StatusNotAcceptable, "", err
+	}
+
+	if user.Password == "" && user.RoleID != constants.Roles.Member {
+		return http.StatusNotAcceptable, "", fmt.Errorf("No password provided")
+	}
+	hash, err := utils.HashPassword(user.Password)
+	if err != nil {
+		return http.StatusInternalServerError, "", err
+	}
+	user.Password = hash
+
+	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
+	}
+
+	return id, token, nil
 }
 
 func (service *UserService) GetUsers(where map[string]interface{}) (*[]models.User, error) {