Method Save

pkg/memory/preference_storage.go:49–70

Save 实现 PreferenceStorage 接口

(
	ctx context.Context,
	userID string,
	preferences []*Preference,
)

// Save 实现 PreferenceStorage 接口
func (fs *FilePreferenceStorage) Save(
	ctx context.Context,
	userID string,
	preferences []*Preference,
) error {
	fs.mu.Lock()
	defer fs.mu.Unlock()

	// 序列化为 JSON
	data, err := json.MarshalIndent(preferences, "", "  ")
	if err != nil {
		return fmt.Errorf("failed to marshal preferences: %w", err)
	}

	// 写入文件
	filePath := filepath.Join(fs.dir, userID+".json")
	if err := os.WriteFile(filePath, data, 0644); err != nil {
		return fmt.Errorf("failed to write file: %w", err)
	}

	return nil
}

// Load 实现 PreferenceStorage 接口
func (fs *FilePreferenceStorage) Load(