rebuildIndex 重建类别索引
()
| 351 | |
| 352 | // rebuildIndex 重建类别索引 |
| 353 | func (pm *PreferenceManager) rebuildIndex() { |
| 354 | pm.categoryIndex = make(map[string][]*Preference) |
| 355 | |
| 356 | for userID, prefs := range pm.preferences { |
| 357 | for _, pref := range prefs { |
| 358 | indexKey := fmt.Sprintf("%s:%s", userID, pref.Category) |
| 359 | pm.categoryIndex[indexKey] = append(pm.categoryIndex[indexKey], pref) |
| 360 | } |
| 361 | } |
| 362 | } |
| 363 | |
| 364 | // GetStats 获取统计信息 |
| 365 | func (pm *PreferenceManager) GetStats(userID string) PreferenceStats { |