feat: db regular and transactional helpers to reduce boilerplate

backend/internal/services/auth.go

@@ -1,7 +1,6 @@
 package services
 
 import (
-	"context"
 	"easywish/internal/database"
 	errs "easywish/internal/errors"
 	"easywish/internal/logger"
@@ -29,9 +28,9 @@ func NewAuthService(_log logger.Logger, _dbctx database.DbContext) AuthService {
 
 func (a *authServiceImpl) RegistrationBegin(request models.RegistrationBeginRequest) (bool, error) {
 
-	ctx := context.Background() 
-	queries := database.New(a.dbctx)
-	user, err := queries.CreateUser(ctx, request.Username) // TODO: validation
+	helper, db, _ := database.NewDbHelperTransaction(a.dbctx)
+
+	user, err := db.TXQueries.CreateUser(db.CTX, request.Username) // TODO: validation
 
   if err != nil {
 		a.log.Get().Error("Failed to add user to database", zap.Error(err))
@@ -39,6 +38,8 @@ func (a *authServiceImpl) RegistrationBegin(request models.RegistrationBeginRequ
 	}
 	a.log.Get().Info("Registered a new user", zap.String("username", user.Username))
 
+	helper.Commit()
+
 	// TODO: Send verification email
 
 	return true, nil