backend moved to separate directory

backend: deleted the old structure

go-backend/internal/services/bank_account_service.go

@@ -0,0 +1,12 @@
+package services
+
+import (
+	"GoMembership/internal/repositories"
+)
+
+type BankAccountServiceInterface interface {
+}
+
+type BankAccountService struct {
+	Repo repositories.BankAccountRepositoryInterface
+}

go-backend/internal/services/consent_service.go

@@ -0,0 +1,22 @@
+package services
+
+import (
+	"time"
+
+	"GoMembership/internal/models"
+	"GoMembership/internal/repositories"
+)
+
+type ConsentServiceInterface interface {
+	RegisterConsent(consent *models.Consent) (uint, error)
+}
+
+type ConsentService struct {
+	Repo repositories.ConsentRepositoryInterface
+}
+
+func (service *ConsentService) RegisterConsent(consent *models.Consent) (uint, error) {
+	consent.CreatedAt = time.Now()
+	consent.UpdatedAt = time.Now()
+	return service.Repo.CreateConsent(consent)
+}

go-backend/internal/services/email_service.go

@@ -0,0 +1,240 @@
+package services
+
+import (
+	"bytes"
+	"html/template"
+
+	"gopkg.in/gomail.v2"
+
+	"GoMembership/internal/config"
+	"GoMembership/internal/constants"
+	"GoMembership/internal/models"
+	"GoMembership/pkg/logger"
+)
+
+type EmailService struct {
+	dialer *gomail.Dialer
+}
+
+func NewEmailService(host string, port int, username string, password string) *EmailService {
+	dialer := gomail.NewDialer(host, port, username, password)
+	return &EmailService{dialer: dialer}
+}
+
+func (s *EmailService) SendEmail(to string, subject string, body string, bodyTXT string, replyTo string) error {
+	msg := gomail.NewMessage()
+	msg.SetHeader("From", s.dialer.Username)
+	msg.SetHeader("To", to)
+	msg.SetHeader("Subject", subject)
+	if replyTo != "" {
+		msg.SetHeader("REPLY_TO", replyTo)
+	}
+	if bodyTXT != "" {
+		msg.SetBody("text/plain", bodyTXT)
+	}
+
+	msg.AddAlternative("text/html", body)
+	// msg.WriteTo(os.Stdout)
+
+	if err := s.dialer.DialAndSend(msg); err != nil {
+		logger.Error.Printf("Could not send email to %s: %v", to, err)
+		return err
+	}
+	logger.Info.Printf("Email sent to %s", to)
+	return nil
+}
+
+func ParseTemplate(filename string, data interface{}) (string, error) {
+	// Read the email template file
+
+	templateDir := config.Templates.MailPath
+	tpl, err := template.ParseFiles(templateDir + "/" + filename)
+	if err != nil {
+		logger.Error.Printf("Failed to parse email template: %v", err)
+		return "", err
+	}
+
+	// Buffer to hold the rendered template
+	var tplBuffer bytes.Buffer
+	if err := tpl.Execute(&tplBuffer, data); err != nil {
+		logger.Error.Printf("Failed to execute email template: %v", err)
+		return "", err
+	}
+
+	return tplBuffer.String(), nil
+}
+
+func (s *EmailService) SendVerificationEmail(user *models.User, token *string) error {
+	// Prepare data to be injected into the template
+	data := struct {
+		FirstName string
+		LastName  string
+		Token     string
+		BASEURL   string
+	}{
+		FirstName: user.FirstName,
+		LastName:  user.LastName,
+		Token:     *token,
+		BASEURL:   config.Site.BaseURL,
+	}
+
+	subject := constants.MailVerificationSubject
+	body, err := ParseTemplate("mail_verification.tmpl", data)
+	if err != nil {
+		logger.Error.Print("Couldn't send verification mail")
+		return err
+	}
+	return s.SendEmail(user.Email, subject, body, "", "")
+
+}
+
+func (s *EmailService) SendChangePasswordEmail(user *models.User, token *string) error {
+	// Prepare data to be injected into the template
+	data := struct {
+		FirstName string
+		LastName  string
+		Token     string
+		BASEURL   string
+		UserID    uint
+	}{
+		FirstName: user.FirstName,
+		LastName:  user.LastName,
+		Token:     *token,
+		BASEURL:   config.Site.BaseURL,
+		UserID:    user.ID,
+	}
+
+	subject := constants.MailChangePasswordSubject
+	htmlBody, err := ParseTemplate("mail_change_password.tmpl", data)
+	if err != nil {
+		logger.Error.Print("Couldn't parse password mail")
+		return err
+	}
+	plainBody, err := ParseTemplate("mail_change_password.txt.tmpl", data)
+	if err != nil {
+		logger.Error.Print("Couldn't parse password mail")
+		return err
+	}
+	return s.SendEmail(user.Email, subject, htmlBody, plainBody, "")
+
+}
+
+func (s *EmailService) SendWelcomeEmail(user *models.User) error {
+	// Prepare data to be injected into the template
+	data := struct {
+		Company         string
+		FirstName       string
+		MembershipModel string
+		BASEURL         string
+		MembershipID    uint
+		MembershipFee   float32
+		Logo            string
+		WebsiteTitle    string
+		RentalFee       float32
+	}{
+		Company:         user.Company,
+		FirstName:       user.FirstName,
+		MembershipModel: user.Membership.SubscriptionModel.Name,
+		MembershipID:    user.Membership.ID,
+		MembershipFee:   float32(user.Membership.SubscriptionModel.MonthlyFee),
+		RentalFee:       float32(user.Membership.SubscriptionModel.HourlyRate),
+		BASEURL:         config.Site.BaseURL,
+		WebsiteTitle:    config.Site.WebsiteTitle,
+		Logo:            config.Templates.LogoURI,
+	}
+
+	subject := constants.MailWelcomeSubject
+	htmlBody, err := ParseTemplate("mail_welcome.tmpl", data)
+	if err != nil {
+		logger.Error.Print("Couldn't send welcome mail")
+		return err
+	}
+	plainBody, err := ParseTemplate("mail_welcome.txt.tmpl", data)
+	if err != nil {
+		logger.Error.Print("Couldn't parse password mail")
+		return err
+	}
+	return s.SendEmail(user.Email, subject, htmlBody, plainBody, "")
+}
+
+func (s *EmailService) SendRegistrationNotification(user *models.User) error {
+	// Prepare data to be injected into the template
+	data := struct {
+		FirstName       string
+		DateOfBirth     string
+		LastName        string
+		MembershipModel string
+		Address         string
+		IBAN            string
+		Email           string
+		Phone           string
+		City            string
+		Company         string
+		ZipCode         string
+		BASEURL         string
+		MembershipID    uint
+		RentalFee       float32
+		MembershipFee   float32
+		Logo            string
+		WebsiteTitle    string
+	}{
+		Company:         user.Company,
+		FirstName:       user.FirstName,
+		LastName:        user.LastName,
+		MembershipModel: user.Membership.SubscriptionModel.Name,
+		MembershipID:    user.Membership.ID,
+		MembershipFee:   float32(user.Membership.SubscriptionModel.MonthlyFee),
+		RentalFee:       float32(user.Membership.SubscriptionModel.HourlyRate),
+		Address:         user.Address,
+		ZipCode:         user.ZipCode,
+		City:            user.City,
+		DateOfBirth:     user.DateOfBirth.Format("20060102"),
+		Email:           user.Email,
+		Phone:           user.Phone,
+		IBAN:            user.BankAccount.IBAN,
+		BASEURL:         config.Site.BaseURL,
+		Logo:            config.Templates.LogoURI,
+		WebsiteTitle:    config.Site.WebsiteTitle,
+	}
+
+	subject := constants.MailRegistrationSubject
+	htmlBody, err := ParseTemplate("mail_registration.tmpl", data)
+	if err != nil {
+		logger.Error.Print("Couldn't send admin notification mail")
+		return err
+	}
+	plainBody, err := ParseTemplate("mail_registration.txt.tmpl", data)
+	if err != nil {
+		logger.Error.Print("Couldn't parse password mail")
+		return err
+	}
+	return s.SendEmail(config.Recipients.UserRegistration, subject, htmlBody, plainBody, "")
+}
+
+func (s *EmailService) RelayContactFormMessage(sender string, name string, message string) error {
+	data := struct {
+		Message      string
+		Name         string
+		BASEURL      string
+		Logo         string
+		WebsiteTitle string
+	}{
+		Message:      message,
+		Name:         name,
+		BASEURL:      config.Site.BaseURL,
+		Logo:         config.Templates.LogoURI,
+		WebsiteTitle: config.Site.WebsiteTitle,
+	}
+	subject := constants.MailContactSubject
+	htmlBody, err := ParseTemplate("mail_contact_form.tmpl", data)
+	if err != nil {
+		logger.Error.Print("Couldn't send contact form message mail")
+		return err
+	}
+	plainBody, err := ParseTemplate("mail_contact_form.txt.tmpl", data)
+	if err != nil {
+		logger.Error.Print("Couldn't parse password mail")
+		return err
+	}
+	return s.SendEmail(config.Recipients.ContactForm, subject, htmlBody, plainBody, sender)
+}

go-backend/internal/services/licence_service.go

@@ -0,0 +1,18 @@
+package services
+
+import (
+	"GoMembership/internal/models"
+	"GoMembership/internal/repositories"
+)
+
+type LicenceInterface interface {
+	GetAllCategories() ([]models.Category, error)
+}
+
+type LicenceService struct {
+	Repo repositories.LicenceInterface
+}
+
+func (s *LicenceService) GetAllCategories() ([]models.Category, error) {
+	return s.Repo.GetAllCategories()
+}

go-backend/internal/services/membership_service.go

@@ -0,0 +1,100 @@
+package services
+
+import (
+	"time"
+
+	"GoMembership/internal/models"
+	"GoMembership/internal/repositories"
+	"GoMembership/pkg/errors"
+)
+
+type MembershipServiceInterface interface {
+	RegisterMembership(membership *models.Membership) (uint, error)
+	FindMembershipByUserID(userID uint) (*models.Membership, error)
+	RegisterSubscription(subscription *models.SubscriptionModel) (uint, error)
+	UpdateSubscription(subscription *models.SubscriptionModel) (*models.SubscriptionModel, error)
+	DeleteSubscription(id *uint, name *string) error
+	GetSubscriptionModelNames() ([]string, error)
+	GetSubscriptionByName(modelname *string) (*models.SubscriptionModel, error)
+	GetSubscriptions(where map[string]interface{}) (*[]models.SubscriptionModel, error)
+}
+
+type MembershipService struct {
+	Repo             repositories.MembershipRepositoryInterface
+	SubscriptionRepo repositories.SubscriptionModelsRepositoryInterface
+}
+
+func (service *MembershipService) RegisterMembership(membership *models.Membership) (uint, error) {
+	membership.StartDate = time.Now()
+	return service.Repo.CreateMembership(membership)
+}
+
+func (service *MembershipService) UpdateSubscription(subscription *models.SubscriptionModel) (*models.SubscriptionModel, error) {
+
+	existingSubscription, err := repositories.GetSubscriptionByName(&subscription.Name)
+	if err != nil {
+		return nil, err
+	}
+	if existingSubscription == nil {
+		return nil, errors.ErrSubscriptionNotFound
+	}
+	if existingSubscription.MonthlyFee != subscription.MonthlyFee ||
+		existingSubscription.HourlyRate != subscription.HourlyRate ||
+		existingSubscription.Conditions != subscription.Conditions ||
+		existingSubscription.IncludedPerYear != subscription.IncludedPerYear ||
+		existingSubscription.IncludedPerMonth != subscription.IncludedPerMonth {
+		return nil, errors.ErrInvalidSubscriptionData
+	}
+	subscription.ID = existingSubscription.ID
+	return service.SubscriptionRepo.UpdateSubscription(subscription)
+
+}
+
+func (service *MembershipService) DeleteSubscription(id *uint, name *string) error {
+	if *name == "" {
+		return errors.ErrNoData
+	}
+	exists, err := repositories.GetSubscriptionByName(name)
+	if err != nil {
+		return err
+	}
+	if exists == nil {
+		return errors.ErrNotFound
+	}
+	if *id != exists.ID {
+		return errors.ErrInvalidSubscriptionData
+	}
+	usersInSubscription, err := repositories.GetUsersBySubscription(*id)
+
+	if err != nil {
+		return err
+	}
+	if len(*usersInSubscription) > 0 {
+		return errors.ErrSubscriptionInUse
+	}
+	return service.SubscriptionRepo.DeleteSubscription(id)
+}
+
+func (service *MembershipService) FindMembershipByUserID(userID uint) (*models.Membership, error) {
+	return service.Repo.FindMembershipByUserID(userID)
+}
+
+// Membership_Subscriptions
+func (service *MembershipService) RegisterSubscription(subscription *models.SubscriptionModel) (uint, error) {
+	return service.SubscriptionRepo.CreateSubscriptionModel(subscription)
+}
+
+func (service *MembershipService) GetSubscriptionModelNames() ([]string, error) {
+	return service.SubscriptionRepo.GetSubscriptionModelNames()
+}
+
+func (service *MembershipService) GetSubscriptionByName(modelname *string) (*models.SubscriptionModel, error) {
+	return repositories.GetSubscriptionByName(modelname)
+}
+
+func (service *MembershipService) GetSubscriptions(where map[string]interface{}) (*[]models.SubscriptionModel, error) {
+	if where == nil {
+		where = map[string]interface{}{}
+	}
+	return service.SubscriptionRepo.GetSubscriptions(where)
+}

go-backend/internal/services/user_password.go

@@ -0,0 +1,21 @@
+package services
+
+import (
+	"GoMembership/internal/constants"
+	"GoMembership/internal/models"
+)
+
+func (s *UserService) HandlePasswordChangeRequest(user *models.User) (token string, err error) {
+	// Deactivate user and reset Verification
+	if err := s.SetUserStatus(user.ID, constants.DisabledStatus); err != nil {
+		return "", err
+	}
+
+	if err := s.RevokeVerification(&user.ID, constants.VerificationTypes.Password); err != nil {
+		return "", err
+	}
+
+	// Generate a  token
+	return s.SetVerificationToken(&user.ID, &constants.VerificationTypes.Password)
+
+}

go-backend/internal/services/user_permissions.go

@@ -0,0 +1,5 @@
+package services
+
+func (s *UserService) SetUserStatus(id uint, status uint) error {
+	return s.Repo.SetUserStatus(id, status)
+}

go-backend/internal/services/user_service.go

@@ -0,0 +1,116 @@
+package services
+
+import (
+	"strings"
+
+	"GoMembership/internal/constants"
+	"GoMembership/internal/models"
+	"GoMembership/internal/repositories"
+	"GoMembership/pkg/errors"
+
+	"gorm.io/gorm"
+
+	"time"
+)
+
+type UserServiceInterface interface {
+	RegisterUser(user *models.User) (id uint, token string, err error)
+	GetUserByEmail(email string) (*models.User, error)
+	GetUserByID(id uint) (*models.User, error)
+	GetUsers(where map[string]interface{}) (*[]models.User, error)
+	UpdateUser(user *models.User) (*models.User, error)
+	DeleteUser(lastname string, id uint) error
+	SetUserStatus(id uint, status uint) error
+	VerifyUser(token *string, verificationType *string) (*models.Verification, error)
+	SetVerificationToken(id *uint, verificationType *string) (string, error)
+	RevokeVerification(id *uint, verificationType string) error
+	HandlePasswordChangeRequest(user *models.User) (token string, err error)
+}
+
+type UserService struct {
+	Repo     repositories.UserRepositoryInterface
+	Licences repositories.LicenceInterface
+}
+
+func (service *UserService) DeleteUser(lastname string, id uint) error {
+	if id == 0 || lastname == "" {
+		return errors.ErrNoData
+	}
+
+	user, err := service.GetUserByID(id)
+	if err != nil {
+		return err
+	}
+	if user == nil {
+		return errors.ErrUserNotFound
+	}
+
+	return service.Repo.DeleteUser(id)
+}
+
+func (service *UserService) UpdateUser(user *models.User) (*models.User, error) {
+
+	if user.ID == 0 {
+		return nil, errors.ErrUserNotFound
+	}
+
+	user.SetPassword(user.Password)
+
+	// Validate subscription model
+	selectedModel, err := repositories.GetSubscriptionByName(&user.Membership.SubscriptionModel.Name)
+	if err != nil {
+		return nil, errors.ErrSubscriptionNotFound
+	}
+	user.Membership.SubscriptionModel = *selectedModel
+	user.Membership.SubscriptionModelID = selectedModel.ID
+
+	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) (id uint, token string, err error) {
+
+	user.SetPassword(user.Password)
+
+	user.Status = constants.UnverifiedStatus
+	user.CreatedAt = time.Now()
+	user.UpdatedAt = time.Now()
+	user.PaymentStatus = constants.AwaitingPaymentStatus
+	user.BankAccount.MandateDateSigned = time.Now()
+	id, err = service.Repo.CreateUser(user)
+	if err != nil {
+		return 0, "", err
+	}
+
+	token, err = service.SetVerificationToken(&id, &constants.VerificationTypes.Email)
+	if err != nil {
+		return 0, "", err
+	}
+	return id, token, nil
+}
+
+func (service *UserService) GetUserByID(id uint) (*models.User, error) {
+	return repositories.GetUserByID(&id)
+}
+
+func (service *UserService) GetUserByEmail(email string) (*models.User, error) {
+	return service.Repo.GetUserByEmail(email)
+}
+
+func (service *UserService) GetUsers(where map[string]interface{}) (*[]models.User, error) {
+	if where == nil {
+		where = map[string]interface{}{}
+	}
+	return service.Repo.GetUsers(where)
+}

go-backend/internal/services/user_verification.go

@@ -0,0 +1,59 @@
+package services
+
+import (
+	"GoMembership/internal/models"
+	"GoMembership/internal/utils"
+	"GoMembership/pkg/errors"
+	"time"
+)
+
+func (s *UserService) SetVerificationToken(id *uint, verificationType *string) (string, error) {
+
+	token, err := utils.GenerateVerificationToken()
+	if err != nil {
+		return "", err
+	}
+
+	// Check if user is already verified
+	verified, err := s.Repo.IsVerified(id)
+	if err != nil {
+		return "", err
+	}
+	if verified {
+		return "", errors.ErrAlreadyVerified
+	}
+
+	// Prepare the Verification record
+	verification := models.Verification{
+		UserID:            *id,
+		VerificationToken: token,
+		Type:              *verificationType,
+	}
+
+	return s.Repo.SetVerificationToken(&verification)
+}
+
+func (s *UserService) RevokeVerification(id *uint, verificationType string) error {
+	return s.Repo.DeleteVerification(*id, verificationType)
+
+}
+
+func (service *UserService) VerifyUser(token *string, verificationType *string) (*models.Verification, error) {
+	verification, err := service.Repo.GetVerificationOfToken(token, verificationType)
+	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
+	}
+	if verified {
+		return nil, errors.ErrAlreadyVerified
+	}
+	t := time.Now()
+	verification.VerifiedAt = &t
+
+	return verification, nil
+}