| 250 | } |
| 251 | |
| 252 | func (this *DAUManager) recover() error { |
| 253 | data, err := os.ReadFile(this.cacheFile) |
| 254 | if err != nil || len(data) == 0 { |
| 255 | return err |
| 256 | } |
| 257 | |
| 258 | _ = os.Remove(this.cacheFile) |
| 259 | |
| 260 | var statMap = map[string]int64{} |
| 261 | err = json.Unmarshal(data, &statMap) |
| 262 | if err != nil { |
| 263 | return err |
| 264 | } |
| 265 | |
| 266 | var today = timeutil.Format("Ymd") |
| 267 | for key := range statMap { |
| 268 | var pieces = strings.Split(key, "_") |
| 269 | if pieces[1] != today { |
| 270 | delete(statMap, key) |
| 271 | } |
| 272 | } |
| 273 | this.statMap = statMap |
| 274 | return nil |
| 275 | } |