KancolleSniffer/Sniffer.cs

   1 // Copyright (C) 2013, 2014, 2015 Kazuhiro Fujieda <fujieda@users.osdn.me>\r
   2 // \r
   3 // Licensed under the Apache License, Version 2.0 (the "License");\r
   4 // you may not use this file except in compliance with the License.\r
   5 // You may obtain a copy of the License at\r
   6 //\r
   7 //    http://www.apache.org/licenses/LICENSE-2.0\r
   8 //\r
   9 // Unless required by applicable law or agreed to in writing, software\r
  10 // distributed under the License is distributed on an "AS IS" BASIS,\r
  11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
  12 // See the License for the specific language governing permissions and\r
  13 // limitations under the License.\r
  14 \r
  15 using System;\r
  16 using System.Collections.Generic;\r
  17 using System.Linq;\r
  18 \r
  19 namespace KancolleSniffer\r
  20 {\r
  21     public class Sniffer\r
  22     {\r
  23         private bool _start;\r
  24         private readonly ItemInfo _itemInfo = new ItemInfo();\r
  25         private readonly MaterialInfo _materialInfo = new MaterialInfo();\r
  26         private readonly QuestInfo _questInfo = new QuestInfo();\r
  27         private readonly MissionInfo _missionInfo = new MissionInfo();\r
  28         private readonly ShipInfo _shipInfo;\r
  29         private readonly ConditionTimer _conditionTimer;\r
  30         private readonly DockInfo _dockInfo;\r
  31         private readonly AkashiTimer _akashiTimer;\r
  32         private readonly Achievement _achievement = new Achievement();\r
  33         private readonly BattleInfo _battleInfo;\r
  34         private readonly Logger _logger;\r
  35         private readonly ExMapInfo _exMapInfo = new ExMapInfo();\r
  36         private readonly MiscTextInfo _miscTextInfo = new MiscTextInfo();\r
  37         private readonly Status _status = new Status();\r
  38         private bool _saveState;\r
  39         private readonly List<IHaveState> _haveState;\r
  40 \r
  41         [Flags]\r
  42         public enum Update\r
  43         {\r
  44             None = 0,\r
  45             Error = 1 << 0,\r
  46             Start = 1 << 1,\r
  47             Item = 1 << 2,\r
  48             Ship = 1 << 3,\r
  49             Timer = 1 << 4,\r
  50             NDock = 1 << 5,\r
  51             Mission = 1 << 6,\r
  52             QuestList = 1 << 7,\r
  53             Battle = 1 << 8,\r
  54             All = (1 << 9) - 1\r
  55         }\r
  56 \r
  57         public Sniffer()\r
  58         {\r
  59             _shipInfo = new ShipInfo(_itemInfo);\r
  60             _conditionTimer = new ConditionTimer(_shipInfo);\r
  61             _dockInfo = new DockInfo(_shipInfo, _materialInfo);\r
  62             _akashiTimer = new AkashiTimer(_shipInfo, _dockInfo);\r
  63             _battleInfo = new BattleInfo(_shipInfo, _itemInfo);\r
  64             _logger = new Logger(_shipInfo, _itemInfo, _battleInfo);\r
  65             _haveState = new List<IHaveState> {_achievement, _materialInfo, _conditionTimer, _exMapInfo};\r
  66         }\r
  67 \r
  68         private void SaveState()\r
  69         {\r
  70             if (!_saveState)\r
  71                 return;\r
  72             if (!_haveState.Any(x => x.NeedSave))\r
  73                 return;\r
  74             foreach (var x in _haveState)\r
  75                 x.SaveState(_status);\r
  76             _status.Save();\r
  77         }\r
  78 \r
  79         public void LoadState()\r
  80         {\r
  81             _status.Load();\r
  82             foreach (var x in _haveState)\r
  83                 x.LoadState(_status);\r
  84             _saveState = true;\r
  85         }\r
  86 \r
  87         public Update Sniff(string url, string request, dynamic json)\r
  88         {\r
  89             if (!json.api_result())\r
  90                 return Update.Error;\r
  91             if ((int)json.api_result != 1)\r
  92                 return Update.None;\r
  93             var data = json.api_data() ? json.api_data : new object();\r
  94 \r
  95             if (url.EndsWith("api_start2"))\r
  96             {\r
  97                 return ApiStart(data);\r
  98             }\r
  99             if (!_start)\r
 100                 return Update.None;\r
 101             if (url.EndsWith("api_port/port"))\r
 102                 return ApiPort(data);\r
 103             if (url.Contains("member"))\r
 104                 return ApiMember(url, json);\r
 105             if (url.Contains("kousyou"))\r
 106                 return ApiKousyou(url, request, data);\r
 107             if (url.Contains("battle"))\r
 108                 return ApiBattle(url, request, data);\r
 109             return ApiOthers(url, request, data);\r
 110         }\r
 111 \r
 112         private Update ApiStart(dynamic data)\r
 113         {\r
 114             _shipInfo.InspectMaster(data);\r
 115             _missionInfo.InspectMaster(data.api_mst_mission);\r
 116             _itemInfo.InspectMaster(data);\r
 117             _exMapInfo.ResetIfNeeded();\r
 118             _start = true;\r
 119             return Update.Start;\r
 120         }\r
 121 \r
 122         private Update ApiPort(dynamic data)\r
 123         {\r
 124             _itemInfo.InspectBasic(data.api_basic);\r
 125             _materialInfo.InspectMaterial(data.api_material, true);\r
 126             _logger.InspectBasic(data.api_basic);\r
 127             _logger.InspectMaterial(data.api_material);\r
 128             _shipInfo.InspectShip(data);\r
 129             _shipInfo.ClearBadlyDamagedShips();\r
 130             _conditionTimer.CalcRegenTime();\r
 131             _missionInfo.InspectDeck(data.api_deck_port);\r
 132             _dockInfo.InspectNDock(data.api_ndock);\r
 133             _akashiTimer.Port();\r
 134             _achievement.InspectBasic(data.api_basic);\r
 135             if (data.api_parallel_quest_count()) // 昔のログにはないので\r
 136                 _questInfo.QuestCount = (int)data.api_parallel_quest_count;\r
 137             _battleInfo.CleanupResult();\r
 138             _battleInfo.InBattle = false;\r
 139             _shipInfo.ClearEscapedShips();\r
 140             _miscTextInfo.ClearIfNeeded();\r
 141             SaveState();\r
 142             return Update.All;\r
 143         }\r
 144 \r
 145         private Update ApiMember(string url, dynamic json)\r
 146         {\r
 147             var data = json.api_data() ? json.api_data : new object();\r
 148 \r
 149             if (url.EndsWith("api_get_member/require_info"))\r
 150             {\r
 151                 _itemInfo.InspectSlotItem(data.api_slot_item, true);\r
 152                 _dockInfo.InspectKDock(data.api_kdock);\r
 153                 return Update.Timer;\r
 154             }\r
 155             if (url.EndsWith("api_get_member/basic"))\r
 156             {\r
 157                 _itemInfo.InspectBasic(data);\r
 158                 _logger.InspectBasic(data);\r
 159                 return Update.None;\r
 160             }\r
 161             if (url.EndsWith("api_get_member/slot_item"))\r
 162             {\r
 163                 _itemInfo.InspectSlotItem(data, true);\r
 164                 return Update.None;\r
 165             }\r
 166             if (url.EndsWith("api_get_member/kdock"))\r
 167             {\r
 168                 _dockInfo.InspectKDock(data);\r
 169                 _logger.InspectKDock(data);\r
 170                 return Update.Timer;\r
 171             }\r
 172             if (url.EndsWith("api_get_member/ndock"))\r
 173             {\r
 174                 _dockInfo.InspectNDock(data);\r
 175                 _conditionTimer.CheckCond();\r
 176                 _akashiTimer.CheckFleet();\r
 177                 return Update.NDock | Update.Timer | Update.Ship;\r
 178             }\r
 179             if (url.EndsWith("api_get_member/questlist"))\r
 180             {\r
 181                 _questInfo.InspectQuestList(data);\r
 182                 return Update.QuestList;\r
 183             }\r
 184             if (url.EndsWith("api_get_member/deck"))\r
 185             {\r
 186                 _shipInfo.InspectDeck(data);\r
 187                 _missionInfo.InspectDeck(data);\r
 188                 _akashiTimer.CheckFleet();\r
 189                 return Update.Mission | Update.Timer;\r
 190             }\r
 191             if (url.EndsWith("api_get_member/ship2"))\r
 192             {\r
 193                 // ここだけjsonなので注意\r
 194                 _shipInfo.InspectShip(json);\r
 195                 _akashiTimer.CheckFleet();\r
 196                 _battleInfo.InBattle = false;\r
 197                 return Update.Item | Update.Ship | Update.Battle;\r
 198             }\r
 199             if (url.EndsWith("api_get_member/ship_deck"))\r
 200             {\r
 201                 _shipInfo.InspectShip(data);\r
 202                 _akashiTimer.CheckFleet();\r
 203                 _battleInfo.InBattle = false;\r
 204                 return Update.Ship | Update.Battle;\r
 205             }\r
 206             if (url.EndsWith("api_get_member/ship3"))\r
 207             {\r
 208                 _shipInfo.InspectShip(data);\r
 209                 _akashiTimer.CheckFleet();\r
 210                 _conditionTimer.CheckCond();\r
 211                 return Update.Ship;\r
 212             }\r
 213             if (url.EndsWith("api_get_member/material"))\r
 214             {\r
 215                 _materialInfo.InspectMaterial(data);\r
 216                 return Update.Item;\r
 217             }\r
 218             if (url.EndsWith("api_get_member/mapinfo"))\r
 219             {\r
 220                 _exMapInfo.InspectMapInfo(data);\r
 221                 _miscTextInfo.InspectMapInfo(data);\r
 222                 return Update.Item;\r
 223             }\r
 224             if (url.EndsWith("api_req_member/get_practice_enemyinfo"))\r
 225             {\r
 226                 _miscTextInfo.InspectPracticeEnemyInfo(data);\r
 227                 return Update.Item;\r
 228             }\r
 229             if (url.EndsWith("api_get_member/preset_deck"))\r
 230             {\r
 231                 _shipInfo.InspectPresetDeck(data);\r
 232                 return Update.None;\r
 233             }\r
 234             return Update.None;\r
 235         }\r
 236 \r
 237         private Update ApiKousyou(string url, string request, dynamic data)\r
 238         {\r
 239             if (url.EndsWith("api_req_kousyou/createitem"))\r
 240             {\r
 241                 _itemInfo.InspectCreateItem(data);\r
 242                 _materialInfo.InspectCreateIem(data);\r
 243                 _logger.InspectCreateItem(request, data);\r
 244                 return Update.Item;\r
 245             }\r
 246             if (url.EndsWith("api_req_kousyou/getship"))\r
 247             {\r
 248                 _itemInfo.InspectGetShip(data);\r
 249                 _shipInfo.InspectShip(data);\r
 250                 _dockInfo.InspectKDock(data.api_kdock);\r
 251                 _conditionTimer.CheckCond();\r
 252                 return Update.Item | Update.Timer;\r
 253             }\r
 254             if (url.EndsWith("api_req_kousyou/destroyship"))\r
 255             {\r
 256                 _shipInfo.InspectDestroyShip(request, data);\r
 257                 _materialInfo.InspectDestroyShip(data);\r
 258                 _conditionTimer.CheckCond();\r
 259                 _akashiTimer.CheckFleet();\r
 260                 return Update.Item | Update.Ship;\r
 261             }\r
 262             if (url.EndsWith("api_req_kousyou/destroyitem2"))\r
 263             {\r
 264                 _itemInfo.InspectDestroyItem(request, data);\r
 265                 _materialInfo.InspectDestroyItem(data);\r
 266                 return Update.Item;\r
 267             }\r
 268             if (url.EndsWith("api_req_kousyou/remodel_slot"))\r
 269             {\r
 270                 _logger.SetCurrentMaterial(_materialInfo.Current);\r
 271                 _logger.InspectRemodelSlot(request, data); // 資材の差が必要なので_materialInfoより前\r
 272                 _itemInfo.InspectRemodelSlot(data);\r
 273                 _materialInfo.InspectRemodelSlot(data);\r
 274                 return Update.Item;\r
 275             }\r
 276             if (url.EndsWith("api_req_kousyou/createship"))\r
 277             {\r
 278                 _logger.InspectCreateShip(request);\r
 279                 return Update.None;\r
 280             }\r
 281             if (url.EndsWith("api_req_kousyou/createship_speedchange"))\r
 282             {\r
 283                 _dockInfo.InspectCreateShipSpeedChange(request);\r
 284                 return Update.Timer;\r
 285             }\r
 286             return Update.None;\r
 287         }\r
 288 \r
 289         private Update ApiBattle(string url, string request, dynamic data)\r
 290         {\r
 291             if (IsNormalBattleAPI(url))\r
 292             {\r
 293                 _battleInfo.InspectBattle(data, url);\r
 294                 _logger.InspectBattle(data);\r
 295                 return Update.Ship | Update.Battle;\r
 296             }\r
 297             if (url.EndsWith("api_req_practice/battle") || url.EndsWith("api_req_practice/midnight_battle"))\r
 298             {\r
 299                 if (url.EndsWith("/battle"))\r
 300                 {\r
 301                     _shipInfo.InspectMapStart(request); // 演習を出撃中とみなす\r
 302                     _conditionTimer.InvalidateCond();\r
 303                     _miscTextInfo.ClearFlag = true;\r
 304                 }\r
 305                 _battleInfo.InspectBattle(data, url);\r
 306                 return Update.Ship | Update.Battle | Update.Timer;\r
 307             }\r
 308             if (url.EndsWith("api_req_sortie/battleresult"))\r
 309             {\r
 310                 _battleInfo.InspectBattleResult(data);\r
 311                 _exMapInfo.InspectBattleResult(data);\r
 312                 _logger.InspectBattleResult(data);\r
 313                 return Update.Ship;\r
 314             }\r
 315             if (url.EndsWith("api_req_practice/battle_result"))\r
 316             {\r
 317                 _battleInfo.InspectPracticeResult(data);\r
 318                 return Update.Ship;\r
 319             }\r
 320             if (IsCombinedBattleAPI(url))\r
 321             {\r
 322                 _battleInfo.InspectCombinedBattle(data, url);\r
 323                 _logger.InspectBattle(data);\r
 324                 return Update.Ship | Update.Battle;\r
 325             }\r
 326             if (url.EndsWith("api_req_combined_battle/battleresult"))\r
 327             {\r
 328                 _battleInfo.InspectCombinedBattleResult(data);\r
 329                 _logger.InspectBattleResult(data);\r
 330                 return Update.Ship;\r
 331             }\r
 332             if (url.EndsWith("api_req_combined_battle/goback_port"))\r
 333             {\r
 334                 _battleInfo.CauseCombinedBattleEscape();\r
 335                 return Update.Ship;\r
 336             }\r
 337             return Update.None;\r
 338         }\r
 339 \r
 340         private bool IsNormalBattleAPI(string url)\r
 341         {\r
 342             return url.EndsWith("api_req_sortie/battle") ||\r
 343                    url.EndsWith("api_req_sortie/airbattle") ||\r
 344                    url.EndsWith("api_req_sortie/ld_airbattle") ||\r
 345                    url.EndsWith("api_req_battle_midnight/battle") ||\r
 346                    url.EndsWith("api_req_battle_midnight/sp_midnight");\r
 347         }\r
 348 \r
 349         private bool IsCombinedBattleAPI(string url)\r
 350         {\r
 351             return url.EndsWith("api_req_combined_battle/battle") ||\r
 352                    url.EndsWith("api_req_combined_battle/airbattle") ||\r
 353                    url.EndsWith("api_req_combined_battle/ld_airbattle") ||\r
 354                    url.EndsWith("api_req_combined_battle/battle_water") ||\r
 355                    url.EndsWith("api_req_combined_battle/midnight_battle") ||\r
 356                    url.EndsWith("api_req_combined_battle/sp_midnight");\r
 357         }\r
 358 \r
 359         private Update ApiOthers(string url, string request, dynamic data)\r
 360         {\r
 361             if (url.EndsWith("api_req_hensei/change"))\r
 362             {\r
 363                 _shipInfo.InspectChange(request);\r
 364                 _akashiTimer.InspectChange(request);\r
 365                 return Update.Ship;\r
 366             }\r
 367             if (url.EndsWith("api_req_hensei/preset_select"))\r
 368             {\r
 369                 _shipInfo.InspectDeck(new[] {data});\r
 370                 _akashiTimer.CheckFleet();\r
 371                 return Update.Ship;\r
 372             }\r
 373             if (url.EndsWith("api_req_hensei/preset_register"))\r
 374             {\r
 375                 _shipInfo.InspectPresetRegister(data);\r
 376                 return Update.None;\r
 377             }\r
 378             if (url.EndsWith("api_req_hensei/preset_delete"))\r
 379             {\r
 380                 _shipInfo.InspectPresetDelete(request);\r
 381                 return Update.Timer;\r
 382             }\r
 383             if (url.EndsWith("api_req_hensei/combined"))\r
 384             {\r
 385                 _shipInfo.InspectCombined(request);\r
 386                 return Update.Ship;\r
 387             }\r
 388             if (url.EndsWith("api_req_hokyu/charge"))\r
 389             {\r
 390                 _shipInfo.InspectCharge(data);\r
 391                 _materialInfo.InspectCharge(data);\r
 392                 return Update.Item | Update.Ship;\r
 393             }\r
 394             if (url.EndsWith("api_req_kaisou/powerup"))\r
 395             {\r
 396                 _shipInfo.InspectPowerup(request, data);\r
 397                 _conditionTimer.CheckCond();\r
 398                 _akashiTimer.CheckFleet();\r
 399                 return Update.Item | Update.Ship;\r
 400             }\r
 401             if (url.EndsWith("api_req_kaisou/slot_exchange_index"))\r
 402             {\r
 403                 _shipInfo.InspectSlotExchange(request, data);\r
 404                 return Update.Ship;\r
 405             }\r
 406             if (url.EndsWith("api_req_nyukyo/start"))\r
 407             {\r
 408                 _dockInfo.InspectNyukyo(request);\r
 409                 _conditionTimer.CheckCond();\r
 410                 _akashiTimer.CheckFleet();\r
 411                 return Update.Item | Update.Ship;\r
 412             }\r
 413             if (url.EndsWith("api_req_nyukyo/speedchange"))\r
 414             {\r
 415                 _dockInfo.InspectSpeedChange(request);\r
 416                 _conditionTimer.CheckCond();\r
 417                 return Update.NDock | Update.Timer | Update.Ship;\r
 418             }\r
 419             if (url.EndsWith("api_req_map/start"))\r
 420             {\r
 421                 _shipInfo.InspectMapStart(request); // 出撃中判定が必要なので_conditionTimerより前\r
 422                 _conditionTimer.InvalidateCond();\r
 423                 _exMapInfo.InspectMapStart(data);\r
 424                 _logger.InspectMapStart(data);\r
 425                 _miscTextInfo.ClearFlag = true;\r
 426                 return Update.Timer | Update.Ship;\r
 427             }\r
 428             if (url.EndsWith("api_req_map/next"))\r
 429             {\r
 430                 _battleInfo.InspectMapNext(request);\r
 431                 _exMapInfo.InspectMapNext(data);\r
 432                 _logger.InspectMapNext(data);\r
 433                 return Update.None;\r
 434             }\r
 435             if (url.EndsWith("api_req_mission/result"))\r
 436             {\r
 437                 _materialInfo.InspectMissionResult(data);\r
 438                 _logger.InspectMissionResult(data);\r
 439                 return Update.Item;\r
 440             }\r
 441             if (url.EndsWith("api_req_quest/clearitemget"))\r
 442             {\r
 443                 _questInfo.InspectClearItemGet(request);\r
 444                 return Update.QuestList;\r
 445             }\r
 446             if (url.EndsWith("api_req_air_corps/supply"))\r
 447             {\r
 448                 _materialInfo.InspectAirCorpsSupply(data);\r
 449                 return Update.Item;\r
 450             }\r
 451             if (url.EndsWith("api_req_air_corps/set_plane"))\r
 452             {\r
 453                 _materialInfo.InspectAirCorpsSetPlane(data);\r
 454                 return Update.Item;\r
 455             }\r
 456             return Update.None;\r
 457         }\r
 458 \r
 459         public NameAndTimer[] NDock => _dockInfo.NDock;\r
 460 \r
 461         public RingTimer[] KDock => _dockInfo.KDock;\r
 462 \r
 463         public ItemInfo Item => _itemInfo;\r
 464 \r
 465         public MaterialInfo Material => _materialInfo;\r
 466 \r
 467         public QuestStatus[] Quests => _questInfo.Quests;\r
 468 \r
 469         public NameAndTimer[] Missions => _missionInfo.Missions;\r
 470 \r
 471         public DateTime GetConditionTimer(int fleet) => _conditionTimer.GetTimer(fleet);\r
 472 \r
 473         public int[] GetConditionNotice() => _conditionTimer.GetNotice();\r
 474 \r
 475         public ShipStatus[] GetShipStatuses(int fleet) => _shipInfo.GetShipStatuses(fleet);\r
 476 \r
 477         public int[] GetDeck(int fleet) => _shipInfo.GetDeck(fleet);\r
 478 \r
 479         public int CombinedFleetType => _shipInfo.CombinedFleetType;\r
 480 \r
 481         public ChargeStatus[] ChargeStatuses => _shipInfo.ChargeStatuses;\r
 482 \r
 483         public int[] GetFighterPower(int fleet) => _shipInfo.GetFighterPower(fleet);\r
 484 \r
 485         public double GetContactTriggerRate(int fleet) => _shipInfo.GetContactTriggerRate(fleet);\r
 486 \r
 487         public double GetFleetLineOfSights(int fleet) => _shipInfo.GetLineOfSights(fleet);\r
 488 \r
 489         public ShipStatus[] DamagedShipList => _shipInfo.GetDamagedShipList(_dockInfo);\r
 490 \r
 491         public ShipStatus[] ShipList => _shipInfo.ShipList;\r
 492 \r
 493         public string[] BadlyDamagedShips => _shipInfo.BadlyDamagedShips;\r
 494 \r
 495         public ItemStatus[] ItemList => _itemInfo.GetItemListWithOwner(ShipList);\r
 496 \r
 497         public AkashiTimer AkashiTimer => _akashiTimer;\r
 498 \r
 499         public Achievement Achievement => _achievement;\r
 500 \r
 501         public BattleInfo Battle => _battleInfo;\r
 502 \r
 503         public ExMapInfo ExMap => _exMapInfo;\r
 504 \r
 505         public string MiscText => _miscTextInfo.Text;\r
 506 \r
 507         public void SetLogWriter(Action<string, string, string> writer, Func<DateTime> nowFunc)\r
 508         {\r
 509             _logger.SetWriter(writer, nowFunc);\r
 510         }\r
 511 \r
 512         public void SkipMaster()\r
 513         {\r
 514             _start = true;\r
 515         }\r
 516 \r
 517         public void EnableLog(LogType type)\r
 518         {\r
 519             _logger.EnableLog(type);\r
 520         }\r
 521 \r
 522         public int MaterialLogInterval\r
 523         {\r
 524             set { _logger.MaterialLogInterval = value; }\r
 525         }\r
 526 \r
 527         public string LogOutputDir\r
 528         {\r
 529             set { _logger.OutputDir = value; }\r
 530         }\r
 531     }\r
 532 \r
 533     public class NameAndTimer\r
 534     {\r
 535         public string Name { get; set; }\r
 536         public RingTimer Timer { get; set; }\r
 537 \r
 538         public NameAndTimer()\r
 539         {\r
 540             Timer = new RingTimer();\r
 541         }\r
 542     }\r
 543 \r
 544     public class RingTimer\r
 545     {\r
 546         private readonly TimeSpan _spare;\r
 547 \r
 548         public TimeSpan Rest { get; private set; }\r
 549 \r
 550         public bool IsFinished => EndTime != DateTime.MinValue && Rest <= _spare;\r
 551 \r
 552         public DateTime EndTime { get; private set; }\r
 553 \r
 554         public bool NeedRing { get; set; }\r
 555 \r
 556         public RingTimer(int spare = 60)\r
 557         {\r
 558             _spare = TimeSpan.FromSeconds(spare);\r
 559         }\r
 560 \r
 561         public void SetEndTime(double time)\r
 562         {\r
 563             SetEndTime((int)time == 0\r
 564                 ? DateTime.MinValue\r
 565                 : new DateTime(1970, 1, 1).ToLocalTime().AddSeconds(time / 1000));\r
 566         }\r
 567 \r
 568         public void SetEndTime(DateTime time)\r
 569         {\r
 570             EndTime = time;\r
 571         }\r
 572 \r
 573         public void Update()\r
 574         {\r
 575             if (EndTime == DateTime.MinValue)\r
 576             {\r
 577                 Rest = TimeSpan.Zero;\r
 578                 return;\r
 579             }\r
 580             var prev = Rest;\r
 581             Rest = EndTime - DateTime.Now;\r
 582             if (Rest < TimeSpan.Zero)\r
 583                 Rest = TimeSpan.Zero;\r
 584             if (prev > _spare && _spare >= Rest)\r
 585                 NeedRing = true;\r
 586         }\r
 587 \r
 588         public string ToString(bool finish = false)\r
 589             => EndTime == DateTime.MinValue\r
 590                 ? ""\r
 591                 : finish ? EndTime.ToString(@"dd\ HH\:mm") : $@"{(int)Rest.TotalHours:d2}:{Rest:mm\:ss}";\r
 592     }\r
 593 }