FIX (directories): Do not remove temp firectory on temp files clean

Author: RostislavDugin

backend/internal/features/restores/usecases/postgresql/restore_backup_uc.go

@@ -20,6 +20,7 @@ import (
 	pgtypes "postgresus-backend/internal/features/databases/databases/postgresql"
 	"postgresus-backend/internal/features/restores/models"
 	"postgresus-backend/internal/features/storages"
+	files_utils "postgresus-backend/internal/util/files"
 	"postgresus-backend/internal/util/tools"
 
 	"github.com/google/uuid"
@@ -172,6 +173,13 @@ func (uc *RestorePostgresqlBackupUsecase) downloadBackupToTempFile(
 	backup *backups.Backup,
 	storage *storages.Storage,
 ) (string, func(), error) {
+	err := files_utils.EnsureDirectories([]string{
+		config.GetEnv().TempFolder,
+	})
+	if err != nil {
+		return "", nil, fmt.Errorf("failed to ensure directories: %w", err)
+	}
+
 	// Create temporary directory for backup data
 	tempDir, err := os.MkdirTemp(config.GetEnv().TempFolder, "restore_"+uuid.New().String())
 	if err != nil {

backend/internal/features/storages/models/local/model.go

@@ -7,6 +7,7 @@ import (
 	"os"
 	"path/filepath"
 	"postgresus-backend/internal/config"
+	files_utils "postgresus-backend/internal/util/files"
 
 	"github.com/google/uuid"
 )
@@ -25,6 +26,13 @@ func (l *LocalStorage) TableName() string {
 func (l *LocalStorage) SaveFile(logger *slog.Logger, fileID uuid.UUID, file io.Reader) error {
 	logger.Info("Starting to save file to local storage", "fileId", fileID.String())
 
+	err := files_utils.EnsureDirectories([]string{
+		config.GetEnv().TempFolder,
+	})
+	if err != nil {
+		return fmt.Errorf("failed to ensure directories: %w", err)
+	}
+
 	tempFilePath := filepath.Join(config.GetEnv().TempFolder, fileID.String())
 	logger.Debug("Creating temp file", "fileId", fileID.String(), "tempPath", tempFilePath)
 

backend/internal/util/files/cleaner.go

@@ -1,7 +1,27 @@
 package files_utils
 
-import "os"
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+)
 
 func CleanFolder(folder string) error {
-	return os.RemoveAll(folder)
+	if _, err := os.Stat(folder); os.IsNotExist(err) {
+		return nil
+	}
+
+	entries, err := os.ReadDir(folder)
+	if err != nil {
+		return fmt.Errorf("failed to read directory %s: %w", folder, err)
+	}
+
+	for _, entry := range entries {
+		itemPath := filepath.Join(folder, entry.Name())
+		if err := os.RemoveAll(itemPath); err != nil {
+			return fmt.Errorf("failed to remove %s: %w", itemPath, err)
+		}
+	}
+
+	return nil
 }

backend/internal/util/files/creator.go

@@ -6,13 +6,15 @@ import (
 )
 
 func EnsureDirectories(directories []string) error {
-	// Standard permissions for directories: owner
-	// can read/write/execute, others can read/execute
 	const directoryPermissions = 0755
 
 	for _, directory := range directories {
-		if err := os.MkdirAll(directory, directoryPermissions); err != nil {
-			return fmt.Errorf("failed to create directory %s: %w", directory, err)
+		if _, err := os.Stat(directory); os.IsNotExist(err) {
+			if err := os.MkdirAll(directory, directoryPermissions); err != nil {
+				return fmt.Errorf("failed to create directory %s: %w", directory, err)
+			}
+		} else if err != nil {
+			return fmt.Errorf("failed to check directory %s: %w", directory, err)
 		}
 	}
 

frontend/src/widgets/main/MainScreenComponent.tsx

@@ -153,7 +153,7 @@ export const MainScreenComponent = () => {
         {selectedTab === 'storages' && <StoragesComponent contentHeight={contentHeight} />}
         {selectedTab === 'databases' && <DatabasesComponent contentHeight={contentHeight} />}
 
-        <div className="absolute bottom-1 left-1 mb-[0px] text-sm text-gray-400">
+        <div className="absolute bottom-1 left-2 mb-[0px] text-sm text-gray-400">
           v{APP_VERSION}
         </div>
       </div>