Store configuration owner by MariaDB username

cmd/migrate/main.go

@@ -77,10 +77,13 @@ func main() {
 	if *dryRun {
 		log.Println("\n[DRY RUN] Would migrate the following configurations:")
 		for _, c := range configs {
-			userName := "unknown"
+			userName := c.OwnerUsername
-			if c.User != nil {
+			if userName == "" && c.User != nil {
 				userName = c.User.Username
 			}
+			if userName == "" {
+				userName = "unknown"
+			}
 			log.Printf("  - %s (UUID: %s, User: %s, Items: %d)", c.Name, c.UUID, userName, len(c.Items))
 		}
 		log.Printf("\nTotal: %d configurations", len(configs))
@@ -129,6 +132,11 @@ func main() {
 			SyncedAt:         &now,
 			SyncStatus:       "synced",
 			OriginalUserID:   c.UserID,
+			OriginalUsername: c.OwnerUsername,
+		}
+
+		if localConfig.OriginalUsername == "" && c.User != nil {
+			localConfig.OriginalUsername = c.User.Username
 		}
 
 		if err := local.SaveConfiguration(localConfig); err != nil {

cmd/qfs/main.go

@@ -127,7 +127,6 @@ func main() {
 	connMgr := db.NewConnectionManager(local)
 
 	dbUser := local.GetDBUser()
-	dbUserID := uint(1)
 
 	// Try to connect to MariaDB on startup
 	mariaDB, err := connMgr.GetDB()
@@ -136,12 +135,6 @@ func main() {
 		mariaDB = nil
 	} else {
 		slog.Info("successfully connected to MariaDB on startup")
-		// Ensure DB user exists and get their ID
-		if dbUserID, err = models.EnsureDBUser(mariaDB, dbUser); err != nil {
-			slog.Error("failed to ensure DB user", "error", err)
-			// Continue with default ID
-			dbUserID = uint(1)
-		}
 	}
 
 	slog.Info("starting QuoteForge server",
@@ -149,7 +142,6 @@ func main() {
 		"host", cfg.Server.Host,
 		"port", cfg.Server.Port,
 		"db_user", dbUser,
-		"db_user_id", dbUserID,
 		"online", mariaDB != nil,
 	)
 
@@ -171,7 +163,7 @@ func main() {
 	}
 
 	gin.SetMode(cfg.Server.Mode)
-	router, syncService, err := setupRouter(cfg, local, connMgr, mariaDB, dbUserID)
+	router, syncService, err := setupRouter(cfg, local, connMgr, mariaDB, dbUser)
 	if err != nil {
 		slog.Error("failed to setup router", "error", err)
 		os.Exit(1)
@@ -400,7 +392,7 @@ func setupDatabaseFromDSN(dsn string) (*gorm.DB, error) {
 	return db, nil
 }
 
-func setupRouter(cfg *config.Config, local *localdb.LocalDB, connMgr *db.ConnectionManager, mariaDB *gorm.DB, dbUserID uint) (*gin.Engine, *sync.Service, error) {
+func setupRouter(cfg *config.Config, local *localdb.LocalDB, connMgr *db.ConnectionManager, mariaDB *gorm.DB, dbUsername string) (*gin.Engine, *sync.Service, error) {
 	// mariaDB may be nil if we're in offline mode
 
 	// Repositories
@@ -672,7 +664,7 @@ func setupRouter(cfg *config.Config, local *localdb.LocalDB, connMgr *db.Connect
 					return
 				}
 
-				config, err := configService.Create(dbUserID, &req) // use DB user ID
+				config, err := configService.Create(dbUsername, &req)
 				if err != nil {
 					c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
 					return
@@ -746,7 +738,7 @@ func setupRouter(cfg *config.Config, local *localdb.LocalDB, connMgr *db.Connect
 					return
 				}
 
-				config, err := configService.CloneNoAuth(uuid, req.Name, dbUserID)
+				config, err := configService.CloneNoAuth(uuid, req.Name, dbUsername)
 				if err != nil {
 					c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
 					return

internal/handlers/configuration.go

@@ -1,13 +1,12 @@
 package handlers
 
 import (
-
 	"net/http"
 	"strconv"
 
-	"github.com/gin-gonic/gin"
 	"git.mchus.pro/mchus/quoteforge/internal/middleware"
 	"git.mchus.pro/mchus/quoteforge/internal/services"
+	"github.com/gin-gonic/gin"
 )
 
 type ConfigurationHandler struct {
@@ -26,11 +25,11 @@ func NewConfigurationHandler(
 }
 
 func (h *ConfigurationHandler) List(c *gin.Context) {
-	userID := middleware.GetUserID(c)
+	username := middleware.GetUsername(c)
 	page, _ := strconv.Atoi(c.DefaultQuery("page", "1"))
 	perPage, _ := strconv.Atoi(c.DefaultQuery("per_page", "20"))
 
-	configs, total, err := h.configService.ListByUser(userID, page, perPage)
+	configs, total, err := h.configService.ListByUser(username, page, perPage)
 	if err != nil {
 		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
 		return
@@ -45,7 +44,7 @@ func (h *ConfigurationHandler) List(c *gin.Context) {
 }
 
 func (h *ConfigurationHandler) Create(c *gin.Context) {
-	userID := middleware.GetUserID(c)
+	username := middleware.GetUsername(c)
 
 	var req services.CreateConfigRequest
 	if err := c.ShouldBindJSON(&req); err != nil {
@@ -53,7 +52,7 @@ func (h *ConfigurationHandler) Create(c *gin.Context) {
 		return
 	}
 
-	config, err := h.configService.Create(userID, &req)
+	config, err := h.configService.Create(username, &req)
 	if err != nil {
 		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
 		return
@@ -63,10 +62,10 @@ func (h *ConfigurationHandler) Create(c *gin.Context) {
 }
 
 func (h *ConfigurationHandler) Get(c *gin.Context) {
-	userID := middleware.GetUserID(c)
+	username := middleware.GetUsername(c)
 	uuid := c.Param("uuid")
 
-	config, err := h.configService.GetByUUID(uuid, userID)
+	config, err := h.configService.GetByUUID(uuid, username)
 	if err != nil {
 		status := http.StatusNotFound
 		if err == services.ErrConfigForbidden {
@@ -80,7 +79,7 @@ func (h *ConfigurationHandler) Get(c *gin.Context) {
 }
 
 func (h *ConfigurationHandler) Update(c *gin.Context) {
-	userID := middleware.GetUserID(c)
+	username := middleware.GetUsername(c)
 	uuid := c.Param("uuid")
 
 	var req services.CreateConfigRequest
@@ -89,7 +88,7 @@ func (h *ConfigurationHandler) Update(c *gin.Context) {
 		return
 	}
 
-	config, err := h.configService.Update(uuid, userID, &req)
+	config, err := h.configService.Update(uuid, username, &req)
 	if err != nil {
 		status := http.StatusInternalServerError
 		if err == services.ErrConfigNotFound {
@@ -105,10 +104,10 @@ func (h *ConfigurationHandler) Update(c *gin.Context) {
 }
 
 func (h *ConfigurationHandler) Delete(c *gin.Context) {
-	userID := middleware.GetUserID(c)
+	username := middleware.GetUsername(c)
 	uuid := c.Param("uuid")
 
-	err := h.configService.Delete(uuid, userID)
+	err := h.configService.Delete(uuid, username)
 	if err != nil {
 		status := http.StatusInternalServerError
 		if err == services.ErrConfigNotFound {
@@ -128,7 +127,7 @@ type RenameConfigRequest struct {
 }
 
 func (h *ConfigurationHandler) Rename(c *gin.Context) {
-	userID := middleware.GetUserID(c)
+	username := middleware.GetUsername(c)
 	uuid := c.Param("uuid")
 
 	var req RenameConfigRequest
@@ -137,7 +136,7 @@ func (h *ConfigurationHandler) Rename(c *gin.Context) {
 		return
 	}
 
-	config, err := h.configService.Rename(uuid, userID, req.Name)
+	config, err := h.configService.Rename(uuid, username, req.Name)
 	if err != nil {
 		status := http.StatusInternalServerError
 		if err == services.ErrConfigNotFound {
@@ -157,7 +156,7 @@ type CloneConfigRequest struct {
 }
 
 func (h *ConfigurationHandler) Clone(c *gin.Context) {
-	userID := middleware.GetUserID(c)
+	username := middleware.GetUsername(c)
 	uuid := c.Param("uuid")
 
 	var req CloneConfigRequest
@@ -166,7 +165,7 @@ func (h *ConfigurationHandler) Clone(c *gin.Context) {
 		return
 	}
 
-	config, err := h.configService.Clone(uuid, userID, req.Name)
+	config, err := h.configService.Clone(uuid, username, req.Name)
 	if err != nil {
 		status := http.StatusInternalServerError
 		if err == services.ErrConfigNotFound {
@@ -182,10 +181,10 @@ func (h *ConfigurationHandler) Clone(c *gin.Context) {
 }
 
 func (h *ConfigurationHandler) RefreshPrices(c *gin.Context) {
-	userID := middleware.GetUserID(c)
+	username := middleware.GetUsername(c)
 	uuid := c.Param("uuid")
 
-	config, err := h.configService.RefreshPrices(uuid, userID)
+	config, err := h.configService.RefreshPrices(uuid, username)
 	if err != nil {
 		status := http.StatusInternalServerError
 		if err == services.ErrConfigNotFound {

internal/handlers/export.go

@@ -5,9 +5,9 @@ import (
 	"net/http"
 	"time"
 
-	"github.com/gin-gonic/gin"
 	"git.mchus.pro/mchus/quoteforge/internal/middleware"
 	"git.mchus.pro/mchus/quoteforge/internal/services"
+	"github.com/gin-gonic/gin"
 )
 
 type ExportHandler struct {
@@ -98,10 +98,10 @@ func (h *ExportHandler) buildExportData(req *ExportRequest) *services.ExportData
 }
 
 func (h *ExportHandler) ExportConfigCSV(c *gin.Context) {
-	userID := middleware.GetUserID(c)
+	username := middleware.GetUsername(c)
 	uuid := c.Param("uuid")
 
-	config, err := h.configService.GetByUUID(uuid, userID)
+	config, err := h.configService.GetByUUID(uuid, username)
 	if err != nil {
 		c.JSON(http.StatusNotFound, gin.H{"error": err.Error()})
 		return

internal/localdb/converters.go

@@ -31,6 +31,11 @@ func ConfigurationToLocal(cfg *models.Configuration) *LocalConfiguration {
 		UpdatedAt:        time.Now(),
 		SyncStatus:       "pending",
 		OriginalUserID:   cfg.UserID,
+		OriginalUsername: cfg.OwnerUsername,
+	}
+
+	if local.OriginalUsername == "" && cfg.User != nil {
+		local.OriginalUsername = cfg.User.Username
 	}
 
 	if cfg.ID > 0 {
@@ -55,6 +60,7 @@ func LocalToConfiguration(local *LocalConfiguration) *models.Configuration {
 	cfg := &models.Configuration{
 		UUID:           local.UUID,
 		UserID:         local.OriginalUserID,
+		OwnerUsername:  local.OriginalUsername,
 		Name:           local.Name,
 		Items:          items,
 		TotalPrice:     local.TotalPrice,

internal/localdb/models.go

@@ -75,6 +75,7 @@ type LocalConfiguration struct {
 	SyncedAt         *time.Time       `json:"synced_at"`
 	SyncStatus       string           `gorm:"default:'local'" json:"sync_status"` // 'local', 'synced', 'modified'
 	OriginalUserID   uint             `json:"original_user_id"`                   // UserID from MariaDB for reference
+	OriginalUsername string           `gorm:"not null;default:'';index" json:"original_username"`
 }
 
 func (LocalConfiguration) TableName() string {

internal/middleware/auth.go

@@ -4,9 +4,9 @@ import (
 	"net/http"
 	"strings"
 
-	"github.com/gin-gonic/gin"
 	"git.mchus.pro/mchus/quoteforge/internal/models"
 	"git.mchus.pro/mchus/quoteforge/internal/services"
+	"github.com/gin-gonic/gin"
 )
 
 const (
@@ -99,3 +99,12 @@ func GetUserID(c *gin.Context) uint {
 	}
 	return claims.UserID
 }
+
+// GetUsername extracts username from context
+func GetUsername(c *gin.Context) string {
+	claims := GetClaims(c)
+	if claims == nil {
+		return ""
+	}
+	return claims.Username
+}

internal/models/configuration.go

@@ -42,7 +42,8 @@ func (c ConfigItems) Total() float64 {
 type Configuration struct {
 	ID             uint        `gorm:"primaryKey;autoIncrement" json:"id"`
 	UUID           string      `gorm:"size:36;uniqueIndex;not null" json:"uuid"`
-	UserID           uint       `gorm:"not null" json:"user_id"`
+	UserID         uint        `gorm:"not null" json:"user_id"` // Legacy owner field (kept for backward compatibility)
+	OwnerUsername  string      `gorm:"size:100;not null;default:'';index" json:"owner_username"`
 	Name           string      `gorm:"size:200;not null" json:"name"`
 	Items          ConfigItems `gorm:"type:json;not null" json:"items"`
 	TotalPrice     *float64    `gorm:"type:decimal(12,2)" json:"total_price"`

internal/repository/configuration.go

@@ -43,13 +43,16 @@ func (r *ConfigurationRepository) Delete(id uint) error {
 	return r.db.Delete(&models.Configuration{}, id).Error
 }
 
-func (r *ConfigurationRepository) ListByUser(userID uint, offset, limit int) ([]models.Configuration, int64, error) {
+func (r *ConfigurationRepository) ListByUser(ownerUsername string, offset, limit int) ([]models.Configuration, int64, error) {
 	var configs []models.Configuration
 	var total int64
 
-	r.db.Model(&models.Configuration{}).Where("user_id = ?", userID).Count(&total)
+	ownerScope := "owner_username = ? OR (COALESCE(owner_username, '') = '' AND user_id IN (SELECT id FROM qt_users WHERE username = ?))"
+
+	r.db.Model(&models.Configuration{}).Where(ownerScope, ownerUsername, ownerUsername).Count(&total)
 	err := r.db.
-		Where("user_id = ?", userID).
+		Preload("User").
+		Where(ownerScope, ownerUsername, ownerUsername).
 		Order("created_at DESC").
 		Offset(offset).
 		Limit(limit).
@@ -81,6 +84,7 @@ func (r *ConfigurationRepository) ListAll(offset, limit int) ([]models.Configura
 
 	r.db.Model(&models.Configuration{}).Count(&total)
 	err := r.db.
+		Preload("User").
 		Order("created_at DESC").
 		Offset(offset).
 		Limit(limit).

internal/repository/unified.go

@@ -19,7 +19,7 @@ type DataSource interface {
 
 	// Configurations
 	SaveConfiguration(cfg *models.Configuration) error
-	GetConfigurations(userID uint) ([]models.Configuration, error)
+	GetConfigurations(ownerUsername string) ([]models.Configuration, error)
 	GetConfigurationByUUID(uuid string) (*models.Configuration, error)
 	DeleteConfiguration(uuid string) error
 
@@ -169,6 +169,7 @@ func (r *UnifiedRepo) SaveConfiguration(cfg *models.Configuration) error {
 		CreatedAt:        cfg.CreatedAt,
 		UpdatedAt:        time.Now(),
 		SyncStatus:       "pending",
+		OriginalUsername: cfg.OwnerUsername,
 	}
 
 	// Convert items
@@ -196,10 +197,10 @@ func (r *UnifiedRepo) SaveConfiguration(cfg *models.Configuration) error {
 }
 
 // GetConfigurations returns all configurations for a user
-func (r *UnifiedRepo) GetConfigurations(userID uint) ([]models.Configuration, error) {
+func (r *UnifiedRepo) GetConfigurations(ownerUsername string) ([]models.Configuration, error) {
 	if r.isOnline {
 		repo := NewConfigurationRepository(r.mariaDB)
-		configs, _, err := repo.ListByUser(userID, 0, 1000)
+		configs, _, err := repo.ListByUser(ownerUsername, 0, 1000)
 		return configs, err
 	}
 
@@ -223,6 +224,7 @@ func (r *UnifiedRepo) GetConfigurations(userID uint) ([]models.Configuration, er
 
 		result[i] = models.Configuration{
 			UUID:          lc.UUID,
+			OwnerUsername: lc.OriginalUsername,
 			Name:          lc.Name,
 			Items:         items,
 			TotalPrice:    lc.TotalPrice,

internal/services/configuration.go

@@ -4,9 +4,9 @@ import (
 	"errors"
 	"time"
 
-	"github.com/google/uuid"
 	"git.mchus.pro/mchus/quoteforge/internal/models"
 	"git.mchus.pro/mchus/quoteforge/internal/repository"
+	"github.com/google/uuid"
 )
 
 var (
@@ -17,7 +17,7 @@ var (
 // ConfigurationGetter is an interface for services that can retrieve configurations
 // Used by handlers to work with both ConfigurationService and LocalConfigurationService
 type ConfigurationGetter interface {
-	GetByUUID(uuid string, userID uint) (*models.Configuration, error)
+	GetByUUID(uuid string, ownerUsername string) (*models.Configuration, error)
 }
 
 type ConfigurationService struct {
@@ -47,7 +47,7 @@ type CreateConfigRequest struct {
 	ServerCount int                `json:"server_count"`
 }
 
-func (s *ConfigurationService) Create(userID uint, req *CreateConfigRequest) (*models.Configuration, error) {
+func (s *ConfigurationService) Create(ownerUsername string, req *CreateConfigRequest) (*models.Configuration, error) {
 	total := req.Items.Total()
 
 	// If server count is greater than 1, multiply the total by server count
@@ -57,7 +57,7 @@ func (s *ConfigurationService) Create(userID uint, req *CreateConfigRequest) (*m
 
 	config := &models.Configuration{
 		UUID:          uuid.New().String(),
-		UserID:      userID,
+		OwnerUsername: ownerUsername,
 		Name:          req.Name,
 		Items:         req.Items,
 		TotalPrice:    &total,
@@ -77,27 +77,27 @@ func (s *ConfigurationService) Create(userID uint, req *CreateConfigRequest) (*m
 	return config, nil
 }
 
-func (s *ConfigurationService) GetByUUID(uuid string, userID uint) (*models.Configuration, error) {
+func (s *ConfigurationService) GetByUUID(uuid string, ownerUsername string) (*models.Configuration, error) {
 	config, err := s.configRepo.GetByUUID(uuid)
 	if err != nil {
 		return nil, ErrConfigNotFound
 	}
 
 	// Allow access if user owns config or it's a template
-	if config.UserID != userID && !config.IsTemplate {
+	if !s.isOwner(config, ownerUsername) && !config.IsTemplate {
 		return nil, ErrConfigForbidden
 	}
 
 	return config, nil
 }
 
-func (s *ConfigurationService) Update(uuid string, userID uint, req *CreateConfigRequest) (*models.Configuration, error) {
+func (s *ConfigurationService) Update(uuid string, ownerUsername string, req *CreateConfigRequest) (*models.Configuration, error) {
 	config, err := s.configRepo.GetByUUID(uuid)
 	if err != nil {
 		return nil, ErrConfigNotFound
 	}
 
-	if config.UserID != userID {
+	if !s.isOwner(config, ownerUsername) {
 		return nil, ErrConfigForbidden
 	}
 
@@ -123,26 +123,26 @@ func (s *ConfigurationService) Update(uuid string, userID uint, req *CreateConfi
 	return config, nil
 }
 
-func (s *ConfigurationService) Delete(uuid string, userID uint) error {
+func (s *ConfigurationService) Delete(uuid string, ownerUsername string) error {
 	config, err := s.configRepo.GetByUUID(uuid)
 	if err != nil {
 		return ErrConfigNotFound
 	}
 
-	if config.UserID != userID {
+	if !s.isOwner(config, ownerUsername) {
 		return ErrConfigForbidden
 	}
 
 	return s.configRepo.Delete(config.ID)
 }
 
-func (s *ConfigurationService) Rename(uuid string, userID uint, newName string) (*models.Configuration, error) {
+func (s *ConfigurationService) Rename(uuid string, ownerUsername string, newName string) (*models.Configuration, error) {
 	config, err := s.configRepo.GetByUUID(uuid)
 	if err != nil {
 		return nil, ErrConfigNotFound
 	}
 
-	if config.UserID != userID {
+	if !s.isOwner(config, ownerUsername) {
 		return nil, ErrConfigForbidden
 	}
 
@@ -155,8 +155,8 @@ func (s *ConfigurationService) Rename(uuid string, userID uint, newName string)
 	return config, nil
 }
 
-func (s *ConfigurationService) Clone(configUUID string, userID uint, newName string) (*models.Configuration, error) {
+func (s *ConfigurationService) Clone(configUUID string, ownerUsername string, newName string) (*models.Configuration, error) {
-	original, err := s.GetByUUID(configUUID, userID)
+	original, err := s.GetByUUID(configUUID, ownerUsername)
 	if err != nil {
 		return nil, err
 	}
@@ -171,7 +171,7 @@ func (s *ConfigurationService) Clone(configUUID string, userID uint, newName str
 
 	clone := &models.Configuration{
 		UUID:          uuid.New().String(),
-		UserID:      userID,
+		OwnerUsername: ownerUsername,
 		Name:          newName,
 		Items:         original.Items,
 		TotalPrice:    &total,
@@ -188,7 +188,7 @@ func (s *ConfigurationService) Clone(configUUID string, userID uint, newName str
 	return clone, nil
 }
 
-func (s *ConfigurationService) ListByUser(userID uint, page, perPage int) ([]models.Configuration, int64, error) {
+func (s *ConfigurationService) ListByUser(ownerUsername string, page, perPage int) ([]models.Configuration, int64, error) {
 	if page < 1 {
 		page = 1
 	}
@@ -197,7 +197,7 @@ func (s *ConfigurationService) ListByUser(userID uint, page, perPage int) ([]mod
 	}
 	offset := (page - 1) * perPage
 
-	return s.configRepo.ListByUser(userID, offset, perPage)
+	return s.configRepo.ListByUser(ownerUsername, offset, perPage)
 }
 
 // ListAll returns all configurations without user filter (for use when auth is disabled)
@@ -274,7 +274,7 @@ func (s *ConfigurationService) RenameNoAuth(uuid string, newName string) (*model
 }
 
 // CloneNoAuth clones configuration without ownership check
-func (s *ConfigurationService) CloneNoAuth(configUUID string, newName string, userID uint) (*models.Configuration, error) {
+func (s *ConfigurationService) CloneNoAuth(configUUID string, newName string, ownerUsername string) (*models.Configuration, error) {
 	original, err := s.configRepo.GetByUUID(configUUID)
 	if err != nil {
 		return nil, ErrConfigNotFound
@@ -287,7 +287,7 @@ func (s *ConfigurationService) CloneNoAuth(configUUID string, newName string, us
 
 	clone := &models.Configuration{
 		UUID:          uuid.New().String(),
-		UserID:      userID, // Use provided user ID
+		OwnerUsername: ownerUsername,
 		Name:          newName,
 		Items:         original.Items,
 		TotalPrice:    &total,
@@ -356,13 +356,13 @@ func (s *ConfigurationService) ListTemplates(page, perPage int) ([]models.Config
 }
 
 // RefreshPrices updates all component prices in the configuration with current prices
-func (s *ConfigurationService) RefreshPrices(uuid string, userID uint) (*models.Configuration, error) {
+func (s *ConfigurationService) RefreshPrices(uuid string, ownerUsername string) (*models.Configuration, error) {
 	config, err := s.configRepo.GetByUUID(uuid)
 	if err != nil {
 		return nil, ErrConfigNotFound
 	}
 
-	if config.UserID != userID {
+	if !s.isOwner(config, ownerUsername) {
 		return nil, ErrConfigForbidden
 	}
 
@@ -407,6 +407,19 @@ func (s *ConfigurationService) RefreshPrices(uuid string, userID uint) (*models.
 	return config, nil
 }
 
+func (s *ConfigurationService) isOwner(config *models.Configuration, ownerUsername string) bool {
+	if config == nil || ownerUsername == "" {
+		return false
+	}
+	if config.OwnerUsername != "" {
+		return config.OwnerUsername == ownerUsername
+	}
+	if config.User != nil {
+		return config.User.Username == ownerUsername
+	}
+	return false
+}
+
 // // Export configuration as JSON
 // type ConfigExport struct {
 // 	Name  string             `json:"name"`

internal/services/local_configuration.go

@@ -35,7 +35,7 @@ func NewLocalConfigurationService(
 }
 
 // Create creates a new configuration in local SQLite and queues it for sync
-func (s *LocalConfigurationService) Create(userID uint, req *CreateConfigRequest) (*models.Configuration, error) {
+func (s *LocalConfigurationService) Create(ownerUsername string, req *CreateConfigRequest) (*models.Configuration, error) {
 	// If online, check for new pricelists first
 	if s.isOnline() {
 		if err := s.syncService.SyncPricelistsIfNeeded(); err != nil {
@@ -50,7 +50,7 @@ func (s *LocalConfigurationService) Create(userID uint, req *CreateConfigRequest
 
 	cfg := &models.Configuration{
 		UUID:          uuid.New().String(),
-		UserID:      userID,
+		OwnerUsername: ownerUsername,
 		Name:          req.Name,
 		Items:         req.Items,
 		TotalPrice:    &total,
@@ -85,7 +85,7 @@ func (s *LocalConfigurationService) Create(userID uint, req *CreateConfigRequest
 }
 
 // GetByUUID returns a configuration from local SQLite
-func (s *LocalConfigurationService) GetByUUID(uuid string, userID uint) (*models.Configuration, error) {
+func (s *LocalConfigurationService) GetByUUID(uuid string, ownerUsername string) (*models.Configuration, error) {
 	localCfg, err := s.localDB.GetConfigurationByUUID(uuid)
 	if err != nil {
 		return nil, ErrConfigNotFound
@@ -95,7 +95,7 @@ func (s *LocalConfigurationService) GetByUUID(uuid string, userID uint) (*models
 	cfg := localdb.LocalToConfiguration(localCfg)
 
 	// Allow access if user owns config or it's a template
-	if cfg.UserID != userID && !cfg.IsTemplate {
+	if !s.isOwner(localCfg, ownerUsername) && !cfg.IsTemplate {
 		return nil, ErrConfigForbidden
 	}
 
@@ -103,13 +103,13 @@ func (s *LocalConfigurationService) GetByUUID(uuid string, userID uint) (*models
 }
 
 // Update updates a configuration in local SQLite and queues it for sync
-func (s *LocalConfigurationService) Update(uuid string, userID uint, req *CreateConfigRequest) (*models.Configuration, error) {
+func (s *LocalConfigurationService) Update(uuid string, ownerUsername string, req *CreateConfigRequest) (*models.Configuration, error) {
 	localCfg, err := s.localDB.GetConfigurationByUUID(uuid)
 	if err != nil {
 		return nil, ErrConfigNotFound
 	}
 
-	if localCfg.OriginalUserID != userID {
+	if !s.isOwner(localCfg, ownerUsername) {
 		return nil, ErrConfigForbidden
 	}
 
@@ -155,13 +155,13 @@ func (s *LocalConfigurationService) Update(uuid string, userID uint, req *Create
 }
 
 // Delete deletes a configuration from local SQLite and queues it for sync
-func (s *LocalConfigurationService) Delete(uuid string, userID uint) error {
+func (s *LocalConfigurationService) Delete(uuid string, ownerUsername string) error {
 	localCfg, err := s.localDB.GetConfigurationByUUID(uuid)
 	if err != nil {
 		return ErrConfigNotFound
 	}
 
-	if localCfg.OriginalUserID != userID {
+	if !s.isOwner(localCfg, ownerUsername) {
 		return ErrConfigForbidden
 	}
 
@@ -179,13 +179,13 @@ func (s *LocalConfigurationService) Delete(uuid string, userID uint) error {
 }
 
 // Rename renames a configuration
-func (s *LocalConfigurationService) Rename(uuid string, userID uint, newName string) (*models.Configuration, error) {
+func (s *LocalConfigurationService) Rename(uuid string, ownerUsername string, newName string) (*models.Configuration, error) {
 	localCfg, err := s.localDB.GetConfigurationByUUID(uuid)
 	if err != nil {
 		return nil, ErrConfigNotFound
 	}
 
-	if localCfg.OriginalUserID != userID {
+	if !s.isOwner(localCfg, ownerUsername) {
 		return nil, ErrConfigForbidden
 	}
 
@@ -211,8 +211,8 @@ func (s *LocalConfigurationService) Rename(uuid string, userID uint, newName str
 }
 
 // Clone clones a configuration
-func (s *LocalConfigurationService) Clone(configUUID string, userID uint, newName string) (*models.Configuration, error) {
+func (s *LocalConfigurationService) Clone(configUUID string, ownerUsername string, newName string) (*models.Configuration, error) {
-	original, err := s.GetByUUID(configUUID, userID)
+	original, err := s.GetByUUID(configUUID, ownerUsername)
 	if err != nil {
 		return nil, err
 	}
@@ -224,7 +224,7 @@ func (s *LocalConfigurationService) Clone(configUUID string, userID uint, newNam
 
 	clone := &models.Configuration{
 		UUID:          uuid.New().String(),
-		UserID:      userID,
+		OwnerUsername: ownerUsername,
 		Name:          newName,
 		Items:         original.Items,
 		TotalPrice:    &total,
@@ -253,7 +253,7 @@ func (s *LocalConfigurationService) Clone(configUUID string, userID uint, newNam
 }
 
 // ListByUser returns all configurations for a user from local SQLite
-func (s *LocalConfigurationService) ListByUser(userID uint, page, perPage int) ([]models.Configuration, int64, error) {
+func (s *LocalConfigurationService) ListByUser(ownerUsername string, page, perPage int) ([]models.Configuration, int64, error) {
 	// Get all local configurations
 	localConfigs, err := s.localDB.GetConfigurations()
 	if err != nil {
@@ -263,7 +263,7 @@ func (s *LocalConfigurationService) ListByUser(userID uint, page, perPage int) (
 	// Filter by user
 	var userConfigs []models.Configuration
 	for _, lc := range localConfigs {
-		if lc.OriginalUserID == userID || lc.IsTemplate {
+		if (lc.OriginalUsername == ownerUsername) || lc.IsTemplate {
 			userConfigs = append(userConfigs, *localdb.LocalToConfiguration(&lc))
 		}
 	}
@@ -292,7 +292,7 @@ func (s *LocalConfigurationService) ListByUser(userID uint, page, perPage int) (
 }
 
 // RefreshPrices updates all component prices in the configuration from local cache
-func (s *LocalConfigurationService) RefreshPrices(uuid string, userID uint) (*models.Configuration, error) {
+func (s *LocalConfigurationService) RefreshPrices(uuid string, ownerUsername string) (*models.Configuration, error) {
 	// Get configuration from local SQLite
 	localCfg, err := s.localDB.GetConfigurationByUUID(uuid)
 	if err != nil {
@@ -300,7 +300,7 @@ func (s *LocalConfigurationService) RefreshPrices(uuid string, userID uint) (*mo
 	}
 
 	// Check ownership
-	if localCfg.OriginalUserID != userID {
+	if !s.isOwner(localCfg, ownerUsername) {
 		return nil, ErrConfigForbidden
 	}
 
@@ -448,7 +448,7 @@ func (s *LocalConfigurationService) RenameNoAuth(uuid string, newName string) (*
 }
 
 // CloneNoAuth clones configuration without ownership check
-func (s *LocalConfigurationService) CloneNoAuth(configUUID string, newName string, userID uint) (*models.Configuration, error) {
+func (s *LocalConfigurationService) CloneNoAuth(configUUID string, newName string, ownerUsername string) (*models.Configuration, error) {
 	original, err := s.GetByUUIDNoAuth(configUUID)
 	if err != nil {
 		return nil, err
@@ -461,7 +461,7 @@ func (s *LocalConfigurationService) CloneNoAuth(configUUID string, newName strin
 
 	clone := &models.Configuration{
 		UUID:          uuid.New().String(),
-		UserID:      userID,
+		OwnerUsername: ownerUsername,
 		Name:          newName,
 		Items:         original.Items,
 		TotalPrice:    &total,
@@ -626,3 +626,13 @@ func (s *LocalConfigurationService) RefreshPricesNoAuth(uuid string) (*models.Co
 func (s *LocalConfigurationService) ImportFromServer() (*sync.ConfigImportResult, error) {
 	return s.syncService.ImportConfigurationsToLocal()
 }
+
+func (s *LocalConfigurationService) isOwner(cfg *localdb.LocalConfiguration, ownerUsername string) bool {
+	if cfg == nil || ownerUsername == "" {
+		return false
+	}
+	if cfg.OriginalUsername != "" {
+		return cfg.OriginalUsername == ownerUsername
+	}
+	return false
+}

migrations/005_add_owner_username.sql

@@ -0,0 +1,10 @@
+-- Store configuration owner as username (instead of relying on numeric user_id)
+ALTER TABLE qt_configurations
+    ADD COLUMN owner_username VARCHAR(100) NOT NULL DEFAULT '' AFTER user_id,
+    ADD INDEX idx_qt_configurations_owner_username (owner_username);
+
+-- Backfill owner_username from qt_users for existing rows
+UPDATE qt_configurations c
+LEFT JOIN qt_users u ON u.id = c.user_id
+SET c.owner_username = COALESCE(u.username, c.owner_username)
+WHERE c.owner_username = '';

web/templates/admin_pricing.html

@@ -861,7 +861,7 @@ function renderAllConfigs(configs) {
         const date = new Date(c.created_at).toLocaleDateString('ru-RU');
         const total = c.total_price ? '$' + c.total_price.toLocaleString('en-US', {minimumFractionDigits: 2}) : '—';
         const serverCount = c.server_count ? c.server_count : 1;
-        const username = c.user ? c.user.username : '—';
+        const username = c.owner_username || (c.user ? c.user.username : '—');
 
         html += '<tr class="hover:bg-gray-50">';
         html += '<td class="px-3 py-2 text-sm text-gray-500">' + date + '</td>';

web/templates/configs.html

@@ -127,6 +127,7 @@ function renderConfigs(configs) {
     html += '<thead class="bg-gray-50"><tr>';
     html += '<th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase">Дата</th>';
     html += '<th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase">Название</th>';
+    html += '<th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase">Автор</th>';
     html += '<th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase">Цена (за 1 шт)</th>';
     html += '<th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase">Кол-во</th>';
     html += '<th class="px-4 py-3 text-right text-xs font-medium text-gray-500 uppercase">Сумма</th>';
@@ -137,6 +138,7 @@ function renderConfigs(configs) {
         const date = new Date(c.created_at).toLocaleDateString('ru-RU');
         const total = c.total_price ? '$' + c.total_price.toLocaleString('en-US', {minimumFractionDigits: 2}) : '—';
         const serverCount = c.server_count ? c.server_count : 1;
+        const author = c.owner_username || (c.user && c.user.username) || '—';
 
         // Calculate price per unit (total / server count)
         let pricePerUnit = '—';
@@ -148,6 +150,7 @@ function renderConfigs(configs) {
         html += '<tr class="hover:bg-gray-50">';
         html += '<td class="px-4 py-3 text-sm text-gray-500">' + date + '</td>';
         html += '<td class="px-4 py-3 text-sm font-medium"><a href="/configurator?uuid=' + c.uuid + '" class="text-blue-600 hover:text-blue-800 hover:underline">' + escapeHtml(c.name) + '</a></td>';
+        html += '<td class="px-4 py-3 text-sm text-gray-500">' + escapeHtml(author) + '</td>';
         html += '<td class="px-4 py-3 text-sm text-gray-500">' + pricePerUnit + '</td>';
         html += '<td class="px-4 py-3 text-sm text-gray-500">' + serverCount + '</td>';
         html += '<td class="px-4 py-3 text-sm text-right">' + total + '</td>';