feat(modpack): modpack updates

cmd/server/main.go

@@ -15,26 +15,18 @@ import (
 )
 
 func main() {
-	// Инициализируем соединение с БД
 	dbPool := database.Connect()
 	defer dbPool.Close()
 
+	// --- Инициализация репозиториев ---
 	userRepo := &database.UserRepository{DB: dbPool}
 	serverRepo := &database.ServerRepository{DB: dbPool}
 	modpackRepo := &database.ModpackRepository{DB: dbPool}
 
-	serverPoller := &core.ServerPoller{Repo: serverRepo}
-
-	modpackHandler := &api.ModpackHandler{ModpackRepo: modpackRepo}
-	launcherHandler := &api.LauncherHandler{ModpackRepo: modpackRepo}
-	adminUserHandler := &api.AdminUserHandler{UserRepo: userRepo}
-
-	// Запускаем поллер в фоновой горутине
-	go serverPoller.Start(context.Background())
-
-	// Сервисы
+	// --- Инициализация сервисов ---
 	userService := &core.UserService{Repo: userRepo}
 	authService := &core.AuthService{UserRepo: userRepo}
+	serverPoller := &core.ServerPoller{Repo: serverRepo}
 
 	keyPath := os.Getenv("RSA_PRIVATE_KEY_PATH")
 	if keyPath == "" {
@@ -48,12 +40,29 @@ func main() {
 	if err != nil {
 		log.Fatalf("Failed to create profile service: %v", err)
 	}
-	// Хендлеры
+
+	modpacksStoragePath := os.Getenv("MODPACKS_STORAGE_PATH")
+	if modpacksStoragePath == "" {
+		log.Fatal("MODPACKS_STORAGE_PATH environment variable is not set")
+	}
+	janitorService := core.NewFileJanitorService(modpackRepo, modpacksStoragePath)
+
+	// --- Запуск фоновых задач ---
+	go serverPoller.Start(context.Background())
+
+	// --- Инициализация хендлеров ---
 	userHandler := &api.UserHandler{Service: userService}
 	authHandler := &api.AuthHandler{Service: authService}
 	profileHandler := &api.ProfileHandler{Service: profileService}
 	serverHandler := &api.ServerHandler{Repo: serverRepo}
-	// --- Настраиваем роутер ---
+	launcherHandler := &api.LauncherHandler{ModpackRepo: modpackRepo}
+	modpackHandler := &api.ModpackHandler{
+		ModpackRepo:    modpackRepo,
+		JanitorService: janitorService,
+	}
+	adminUserHandler := &api.AdminUserHandler{UserRepo: userRepo} // Этот хендлер мы создали для админских функций
+
+	// --- Настройка роутера ---
 	r := chi.NewRouter()
 	r.Use(middleware.Logger)
 	r.Use(middleware.Recoverer)
@@ -63,6 +72,10 @@ func main() {
 		r.Post("/register", userHandler.Register)
 		r.Post("/login", authHandler.Login)
 		r.Get("/servers", serverHandler.GetServers)
+
+		r.Route("/launcher", func(r chi.Router) {
+			r.Get("/modpacks/{name}/manifest", launcherHandler.GetModpackManifest)
+		})
 	})
 	r.Route("/authserver", func(r chi.Router) {
 		r.Post("/authenticate", authHandler.Authenticate)
@@ -71,23 +84,24 @@ func main() {
 		r.Post("/join", authHandler.Join)
 		r.Get("/profile/{uuid}", profileHandler.GetProfile)
 	})
-	r.Route("/launcher", func(r chi.Router) {
-		r.Get("/modpacks/{name}/manifest", launcherHandler.GetModpackManifest)
-	})
 
 	// --- Защищенные роуты ---
 	r.Group(func(r chi.Router) {
-		r.Use(api.AuthMiddleware) // TODO: Заменить на AdminMiddleware
+		r.Use(api.AuthMiddleware)
 
 		r.Route("/api/user", func(r chi.Router) {
 			r.Post("/skin", profileHandler.UploadSkin)
 		})
+
 		r.Route("/api/admin", func(r chi.Router) {
 			r.Use(api.AdminMiddleware)
+
 			r.Route("/modpacks", func(r chi.Router) {
 				r.Post("/import", modpackHandler.ImportModpack)
 			})
+
 			r.Route("/users", func(r chi.Router) {
+				// ИСПРАВЛЕНО: Используем adminUserHandler
 				r.Get("/", adminUserHandler.GetAllUsers)
 				r.Patch("/{id}/role", adminUserHandler.UpdateUserRole)
 			})

internal/api/modpack_handler.go

@@ -1,20 +1,24 @@
 package api
 
 import (
+	"context"
 	"fmt"
 	"io"
 	"net/http"
 	"os"
 
+	"gitea.mrixs.me/minecraft-platform/backend/internal/core"
 	"gitea.mrixs.me/minecraft-platform/backend/internal/core/importer"
 	"gitea.mrixs.me/minecraft-platform/backend/internal/database"
 	"gitea.mrixs.me/minecraft-platform/backend/internal/models"
 )
 
 type ModpackHandler struct {
-	ModpackRepo *database.ModpackRepository
+	ModpackRepo    *database.ModpackRepository
+	JanitorService *core.FileJanitorService
 }
 
+// ImportModpack обрабатывает загрузку и импорт модпака.
 func (h *ModpackHandler) ImportModpack(w http.ResponseWriter, r *http.Request) {
 	if err := r.ParseMultipartForm(512 << 20); err != nil { // 512 MB лимит
 		http.Error(w, "File too large", http.StatusBadRequest)
@@ -65,4 +69,7 @@ func (h *ModpackHandler) ImportModpack(w http.ResponseWriter, r *http.Request) {
 
 	w.WriteHeader(http.StatusCreated)
 	fmt.Fprintf(w, "Modpack '%s' imported successfully with %d files.", modpack.DisplayName, len(files))
+
+	// Запускаем очистку в фоне, чтобы не блокировать ответ
+	go h.JanitorService.CleanOrphanedFiles(context.Background())
 }

internal/core/file_janitor.go

@@ -0,0 +1,61 @@
+package core
+
+import (
+	"context"
+	"log"
+	"os"
+	"path/filepath"
+
+	"gitea.mrixs.me/minecraft-platform/backend/internal/database"
+)
+
+// FileJanitorService отвечает за очистку осиротевших файлов.
+type FileJanitorService struct {
+	ModpackRepo *database.ModpackRepository
+	StoragePath string
+}
+
+// NewFileJanitorService создает новый экземпляр сервиса-уборщика.
+func NewFileJanitorService(repo *database.ModpackRepository, storagePath string) *FileJanitorService {
+	return &FileJanitorService{
+		ModpackRepo: repo,
+		StoragePath: storagePath,
+	}
+}
+
+// CleanOrphanedFiles сканирует хранилище и удаляет файлы, отсутствующие в БД.
+func (s *FileJanitorService) CleanOrphanedFiles(ctx context.Context) {
+	log.Println("Janitor: Starting orphaned file cleanup...")
+
+	liveHashes, err := s.ModpackRepo.GetAllFileHashes(ctx)
+	if err != nil {
+		log.Printf("Janitor: Error getting live hashes from DB: %v", err)
+		return
+	}
+
+	diskFiles, err := os.ReadDir(s.StoragePath)
+	if err != nil {
+		log.Printf("Janitor: Error reading storage directory %s: %v", s.StoragePath, err)
+		return
+	}
+
+	removedCount := 0
+	for _, file := range diskFiles {
+		if file.IsDir() {
+			continue
+		}
+
+		fileName := file.Name()
+		if _, isLive := liveHashes[fileName]; !isLive {
+			filePath := filepath.Join(s.StoragePath, fileName)
+			if err := os.Remove(filePath); err != nil {
+				log.Printf("Janitor: Failed to remove orphaned file %s: %v", filePath, err)
+			} else {
+				log.Printf("Janitor: Removed orphaned file %s", filePath)
+				removedCount++
+			}
+		}
+	}
+
+	log.Printf("Janitor: Cleanup complete. Removed %d orphaned files.", removedCount)
+}

internal/database/modpack_repository.go

@@ -1,4 +1,3 @@
-// File: backend/internal/database/modpack_repository.go
 package database
 
 import (
@@ -81,3 +80,24 @@ func (r *ModpackRepository) GetModpackManifest(ctx context.Context, modpackName
 
 	return manifest, nil
 }
+
+// GetAllFileHashes извлекает все уникальные хеши файлов из базы данных.
+func (r *ModpackRepository) GetAllFileHashes(ctx context.Context) (map[string]struct{}, error) {
+	query := "SELECT DISTINCT file_hash FROM modpack_files"
+	rows, err := r.DB.Query(ctx, query)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	hashes := make(map[string]struct{})
+	for rows.Next() {
+		var hash string
+		if err := rows.Scan(&hash); err != nil {
+			return nil, err
+		}
+		hashes[hash] = struct{}{}
+	}
+
+	return hashes, rows.Err()
+}