Handle 404

.gitignore

@@ -1,6 +1,9 @@
 # Created by https://www.toptal.com/developers/gitignore/api/dotnetcore,aspnetcore
 # Edit at https://www.toptal.com/developers/gitignore?templates=dotnetcore,aspnetcore
 
+# OS junk files
+*.DS_Store
+
 ### ASPNETCore ###
 ## Ignore Visual Studio temporary files, build results, and
 ## files generated by popular Visual Studio add-ons.

NineChroniclesUtilBackend/Controllers/AgentController.cs

@@ -1,18 +1,8 @@
 using Microsoft.AspNetCore.Mvc;
 using NineChroniclesUtilBackend.Models.Agent;
-using Bencodex.Types;
 using Libplanet.Crypto;
-using Microsoft.AspNetCore.Mvc;
-using Nekoyume;
-using Nekoyume.Action;
-using Nekoyume.Model.EnumType;
-using Nekoyume.Model.Item;
-using Nekoyume.Model.State;
-using Nekoyume.TableData;
-using NineChroniclesUtilBackend.Models.Arena;
 using NineChroniclesUtilBackend.Services;
-using NineChroniclesUtilBackend.Arena;
-
+using NineChroniclesUtilBackend.Util;
 
 namespace NineChroniclesUtilBackend.Controllers;
 
@@ -22,39 +12,17 @@ public class AccountController : ControllerBase
 {
     [HttpGet("{agentAddress}/avatars")]
     public async Task<AvatarsResponse> GetAvatars(string agentAddress, IStateService stateService)
-    { 
-        var avatarStates = await GetAvatarStates(new Address(agentAddress), stateService);
-        return new AvatarsResponse(avatarStates
-            .Select(a => new Avatar(a.address.ToString(), a.name, a.level))
-            .ToList());
-    }
-
-    private static async Task<List<AvatarState>> GetAvatarStates(Address agentAddress, IStateService stateService)
     {
-        var rawState = await stateService.GetState(agentAddress, Addresses.Agent) ??
-                       await stateService.GetState(agentAddress);
-        var agentState = rawState switch
+        var stateGetter = new StateGetter(stateService);
+        var avatars = await stateGetter.GetAvatarStatesAsync(new Address(agentAddress));
+        if (avatars is null)
         {
-            Dictionary agentStateDictionary => new AgentState(agentStateDictionary),
-            List agentStateList => new AgentState(agentStateList),
-            _ => throw new ArgumentException(nameof(agentAddress)),
-        };
-
-        var avatars = new List<AvatarState>();
-        foreach(var avatarAddress in agentState.avatarAddresses.Values)
-        {
-            var rawAvatarState =
-                await stateService.GetState(avatarAddress, Addresses.Avatar) ??
-                await stateService.GetState(avatarAddress);
-            var avatarState = rawAvatarState switch
-            {
-                Dictionary avatarStateDictionary => new AvatarState(avatarStateDictionary),
-                List avatarStateList => new AvatarState(avatarStateList),
-                _ => throw new ArgumentException(nameof(avatarAddress))
-            };
-            avatars.Add(avatarState);
+            Response.StatusCode = StatusCodes.Status404NotFound;
+            return new AvatarsResponse([]);
         }
 
-        return avatars;
+        return new AvatarsResponse(avatars
+            .Select(e => new Avatar(e.address.ToString(), e.name, e.level))
+            .ToList());
     }
 }

NineChroniclesUtilBackend/Controllers/ArenaController.cs

@@ -16,7 +16,14 @@ public class ArenaController(ArenaRankingRepository arenaRankingRepository) : Co
     [HttpGet("ranking/{avatarAddress}/rank")]
     public async Task<long> GetRankByAvatarAddress(string avatarAddress)
     {
-        return await arenaRankingRepository.GetRankByAvatarAddress(avatarAddress);
+        var rank = await arenaRankingRepository.GetRankByAvatarAddress(avatarAddress);
+        if (rank == 0)
+        {
+            Response.StatusCode = StatusCodes.Status404NotFound;
+            return default;
+        }
+
+        return rank;
     }
 
     [HttpGet("ranking")]
@@ -28,19 +35,18 @@ public async Task<List<ArenaRanking>> GetRanking(int limit, int offset)
     [HttpPost("simulate")]
     public async Task<ArenaSimulateResponse> Simulate(
         [FromBody] ArenaSimulateRequest arenaSimulateRequest,
-        IStateService stateService
-    )
+        IStateService stateService)
     {
         var stateGetter = new StateGetter(stateService);
 
         var myAvatarAddress = new Address(arenaSimulateRequest.MyAvatarAddress);
         var enemyAvatarAddress = new Address(arenaSimulateRequest.EnemyAvatarAddress);
-        var myAvatarState = await stateGetter.GetAvatarState(myAvatarAddress);
-        var myAvatarItemSlotState = await stateGetter.GetItemSlotState(myAvatarAddress);
-        var myAvatarRuneStates = await stateGetter.GetRuneStates(myAvatarAddress);
-        var enemyAvatarState = await stateGetter.GetAvatarState(enemyAvatarAddress);
-        var enemyAvatarItemSlotState = await stateGetter.GetItemSlotState(enemyAvatarAddress);
-        var enemyAvatarRuneStates = await stateGetter.GetRuneStates(enemyAvatarAddress);
+        var myAvatarState = await stateGetter.GetAvatarStateAsync(myAvatarAddress);
+        var myAvatarItemSlotState = await stateGetter.GetItemSlotStateAsync(myAvatarAddress);
+        var myAvatarRuneStates = await stateGetter.GetRuneStatesAsync(myAvatarAddress);
+        var enemyAvatarState = await stateGetter.GetAvatarStateAsync(enemyAvatarAddress);
+        var enemyAvatarItemSlotState = await stateGetter.GetItemSlotStateAsync(enemyAvatarAddress);
+        var enemyAvatarRuneStates = await stateGetter.GetRuneStatesAsync(enemyAvatarAddress);
 
         var bulkSimulator = new ArenaBulkSimulator();
         var result = await bulkSimulator.BulkSimulate(
@@ -51,22 +57,22 @@ IStateService stateService
                 enemyAvatarRuneStates
             ),
             new ArenaSimulatorSheets(
-                await stateGetter.GetSheet<MaterialItemSheet>(),
-                await stateGetter.GetSheet<SkillSheet>(),
-                await stateGetter.GetSheet<SkillBuffSheet>(),
-                await stateGetter.GetSheet<StatBuffSheet>(),
-                await stateGetter.GetSheet<SkillActionBuffSheet>(),
-                await stateGetter.GetSheet<ActionBuffSheet>(),
-                await stateGetter.GetSheet<CharacterSheet>(),
-                await stateGetter.GetSheet<CharacterLevelSheet>(),
-                await stateGetter.GetSheet<EquipmentItemSetEffectSheet>(),
-                await stateGetter.GetSheet<CostumeStatSheet>(),
-                await stateGetter.GetSheet<WeeklyArenaRewardSheet>(),
-                await stateGetter.GetSheet<RuneOptionSheet>()
+                await stateGetter.GetSheetAsync<MaterialItemSheet>(),
+                await stateGetter.GetSheetAsync<SkillSheet>(),
+                await stateGetter.GetSheetAsync<SkillBuffSheet>(),
+                await stateGetter.GetSheetAsync<StatBuffSheet>(),
+                await stateGetter.GetSheetAsync<SkillActionBuffSheet>(),
+                await stateGetter.GetSheetAsync<ActionBuffSheet>(),
+                await stateGetter.GetSheetAsync<CharacterSheet>(),
+                await stateGetter.GetSheetAsync<CharacterLevelSheet>(),
+                await stateGetter.GetSheetAsync<EquipmentItemSetEffectSheet>(),
+                await stateGetter.GetSheetAsync<CostumeStatSheet>(),
+                await stateGetter.GetSheetAsync<WeeklyArenaRewardSheet>(),
+                await stateGetter.GetSheetAsync<RuneOptionSheet>()
             ),
-            await stateGetter.GetCollectionStates([myAvatarAddress, enemyAvatarAddress]),
-            await stateGetter.GetSheet<CollectionSheet>(),
-            await stateGetter.GetSheet<DeBuffLimitSheet>()
+            await stateGetter.GetCollectionStatesAsync([myAvatarAddress, enemyAvatarAddress]),
+            await stateGetter.GetSheetAsync<CollectionSheet>(),
+            await stateGetter.GetSheetAsync<DeBuffLimitSheet>()
         );
 
         return new ArenaSimulateResponse(result);

NineChroniclesUtilBackend/Controllers/AvatarController.cs

@@ -9,6 +9,15 @@ namespace NineChroniclesUtilBackend.Controllers;
 public class AvatarController(AvatarRepository avatarRepository) : ControllerBase
 {
     [HttpGet("{avatarAddress}/inventory")]
-    public Inventory GetInventory(string avatarAddress) =>
-        avatarRepository.GetInventory(avatarAddress);
+    public Inventory? GetInventory(string avatarAddress)
+    {
+        var inventory = avatarRepository.GetInventory(avatarAddress);
+        if (inventory is null)
+        {
+            Response.StatusCode = StatusCodes.Status404NotFound;
+            return null;
+        }
+
+        return inventory;
+    }
 }

NineChroniclesUtilBackend/Models/Agent/Avatar.cs

@@ -1,5 +1,3 @@
-using MongoDB.Bson;
-
 namespace NineChroniclesUtilBackend.Models.Agent;
 
 public class Avatar(string avatarAddress, string avatarName, int level)

NineChroniclesUtilBackend/Models/Arena/ArenaRanking.cs

@@ -3,28 +3,28 @@
 namespace NineChroniclesUtilBackend.Models.Arena;
 
 public class ArenaRanking(
-    string AvatarAddress,
-    string ArenaAddress,
-    int Win,
-    int Lose,
-    long Rank,
-    int Ticket,
-    int TicketResetCount,
-    int PurchasedTicketCount,
-    int Score
+    string avatarAddress,
+    string arenaAddress,
+    int win,
+    int lose,
+    long rank,
+    int ticket,
+    int ticketResetCount,
+    int purchasedTicketCount,
+    int score
 )
 {
-    public string AvatarAddress { get; set; } = AvatarAddress;
-    public string ArenaAddress { get; set; } = ArenaAddress;
+    public string AvatarAddress { get; set; } = avatarAddress;
+    public string ArenaAddress { get; set; } = arenaAddress;
     [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
     public int? CP { get; set; }
-    public int Win { get; set; } = Win;
-    public int Lose { get; set; } = Lose;
-    public long Rank { get; set; } = Rank;
-    public int Ticket { get; set; } = Ticket;
-    public int TicketResetCount { get; set; } = TicketResetCount;
-    public int PurchasedTicketCount { get; set; } = PurchasedTicketCount;
-    public int Score { get; set; } = Score;
+    public int Win { get; set; } = win;
+    public int Lose { get; set; } = lose;
+    public long Rank { get; set; } = rank;
+    public int Ticket { get; set; } = ticket;
+    public int TicketResetCount { get; set; } = ticketResetCount;
+    public int PurchasedTicketCount { get; set; } = purchasedTicketCount;
+    public int Score { get; set; } = score;
 
     [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
     public Agent.Avatar? Avatar { get; set; }

NineChroniclesUtilBackend/Repositories/ArenaRankingRespository.cs

@@ -1,6 +1,5 @@
 using MongoDB.Bson;
 using MongoDB.Driver;
-using Nekoyume.Model.State;
 using NineChroniclesUtilBackend.Models.Agent;
 using NineChroniclesUtilBackend.Models.Arena;
 using NineChroniclesUtilBackend.Services;
@@ -9,10 +8,9 @@ namespace NineChroniclesUtilBackend.Repositories;
 
 public class ArenaRankingRepository(MongoDBCollectionService mongoDBCollectionService, IStateService stateService)
 {
-    private CpRepository cpRepository = new CpRepository(stateService);
-
-    private readonly IMongoCollection<dynamic> ArenaCollection =
+    private readonly IMongoCollection<dynamic> _arenaCollection =
         mongoDBCollectionService.GetCollection<dynamic>("arena");
+    private readonly CpRepository _cpRepository = new(stateService);
 
     public async Task<long> GetRankByAvatarAddress(string avatarAddress)
     {
@@ -33,10 +31,10 @@ public async Task<long> GetRankByAvatarAddress(string avatarAddress)
             ),
             new("$match", new BsonDocument("docs.AvatarAddress", avatarAddress)),
         };
-
-        var aggregation = await ArenaCollection.Aggregate<dynamic>(pipelines).ToListAsync();
-
-        return aggregation.First().Rank;
+        var aggregation = await _arenaCollection.Aggregate<dynamic>(pipelines).ToListAsync();
+        return aggregation.Count == 0
+            ? 0
+            : (long)aggregation.First().Rank;
     }
 
     public async Task<List<ArenaRanking>> GetRanking(long limit, long offset)
@@ -50,10 +48,8 @@ public async Task<List<ArenaRanking>> GetRanking(long limit, long offset)
             @"{ $unwind: { path: '$Avatar', preserveNullAndEmptyArrays: true } }",
             @"{ $unset: ['Avatar.Avatar.inventory', 'Avatar.Avatar.mailBox', 'Avatar.Avatar.stageMap', 'Avatar.Avatar.monsterMap', 'Avatar.Avatar.itemMap', 'Avatar.Avatar.eventMap'] }",
         }.Select(BsonDocument.Parse).ToArray();
-
-        var aggregation = ArenaCollection.Aggregate<BsonDocument>(pipelines).ToList();
+        var aggregation = _arenaCollection.Aggregate<BsonDocument>(pipelines).ToList();
         var arenaRankings = await Task.WhenAll(aggregation.OfType<BsonDocument>().Select(BuildArenaRankingFromDocument));
-
         return [.. arenaRankings];
     }
 
@@ -71,7 +67,10 @@ private async Task<ArenaRanking> BuildArenaRankingFromDocument(BsonDocument docu
             document["Score"]["Score"].AsInt32
         );
 
-        if (!document.Contains("Avatar")) return arenaRanking;
+        if (!document.Contains("Avatar"))
+        {
+            return arenaRanking;
+        }
 
         var avatar = new Avatar(
             document["Avatar"]["Avatar"]["address"].AsString,
@@ -81,13 +80,13 @@ private async Task<ArenaRanking> BuildArenaRankingFromDocument(BsonDocument docu
         arenaRanking.Avatar = avatar;
 
         var characterId = document["Avatar"]["Avatar"]["characterId"].AsInt32;
-        var equipmentids = document["Avatar"]["ItemSlot"]["Equipments"].AsBsonArray.Select(x => x.AsString);
-        var costumeids = document["Avatar"]["ItemSlot"]["Costumes"].AsBsonArray.Select(x => x.AsString);
+        var equipmentIds = document["Avatar"]["ItemSlot"]["Equipments"].AsBsonArray.Select(x => x.AsString);
+        var costumeIds = document["Avatar"]["ItemSlot"]["Costumes"].AsBsonArray.Select(x => x.AsString);
         var runeSlots = document["Avatar"]["RuneSlot"].AsBsonArray.Select(rune =>
             (rune["RuneId"].AsInt32, rune["Level"].AsInt32)
         );
 
-        var cp = await cpRepository.CalculateCp(avatar, characterId, equipmentids, costumeids, runeSlots);
+        var cp = await _cpRepository.CalculateCp(avatar, characterId, equipmentIds, costumeIds, runeSlots);
         arenaRanking.CP = cp;
         Console.WriteLine($"CP Calculate {arenaRanking.ArenaAddress}");
 

NineChroniclesUtilBackend/Repositories/AvatarRepository.cs

@@ -10,11 +10,16 @@ public class AvatarRepository(MongoDBCollectionService mongoDBCollectionService)
     private readonly IMongoCollection<BsonDocument> _avatarsCollection =
         mongoDBCollectionService.GetCollection<BsonDocument>("avatars");
 
-    public Inventory GetInventory(string avatarAddress)
+    public Inventory? GetInventory(string avatarAddress)
     {
         var filter = Builders<BsonDocument>.Filter.Eq(f => f["Avatar"]["address"], avatarAddress);
         var projection = Builders<BsonDocument>.Projection.Include(f => f["Avatar"]["inventory"]["Equipments"]);
         var document = _avatarsCollection.Find(filter).Project(projection).FirstOrDefault();
+        if (document is null)
+        {
+            return null;
+        }
+
         return new Inventory(document["Avatar"]["inventory"]);
     }
 }

NineChroniclesUtilBackend/Repositories/CpRepository.cs

@@ -33,10 +33,10 @@ public CpRepository(IStateService stateService)
             var avatarAddress = new Address(avatar.AvatarAddress);
 
             var characterRow = await GetCharacterRow(characterId);
-            var costumeStatSheet = await _stateGetter.GetSheet<CostumeStatSheet>();
-            var collectionSheets = await _stateGetter.GetSheet<CollectionSheet>();
+            var costumeStatSheet = await _stateGetter.GetSheetAsync<CostumeStatSheet>();
+            var collectionSheets = await _stateGetter.GetSheetAsync<CollectionSheet>();
 
-            var inventoryState = await _stateGetter.GetInventoryState(avatarAddress);
+            var inventoryState = await _stateGetter.GetInventoryStateAsync(avatarAddress);
 
             List<Equipment> equipments = inventoryState
                 .Equipments
@@ -45,7 +45,7 @@ public CpRepository(IStateService stateService)
                 .Costumes
                 .Where(x => x.Equipped).ToList();
             List<RuneOptionSheet.Row.RuneOptionInfo> runes = runeOption.Select(x => GetRuneOptionInfo(x.id, x.level).Result).ToList();
-            var collectionStates = await _stateGetter.GetCollectionStates([avatarAddress]);
+            var collectionStates = await _stateGetter.GetCollectionStatesAsync([avatarAddress]);
             var modifiers = new Dictionary<Address, List<StatModifier>>
             {
                 [avatarAddress] = new(),
@@ -83,7 +83,7 @@ public CpRepository(IStateService stateService)
         int level
     )
     {
-        var sheets = await _stateGetter.GetSheet<RuneOptionSheet>();
+        var sheets = await _stateGetter.GetSheetAsync<RuneOptionSheet>();
 
         if (!sheets.TryGetValue(id, out var optionRow))
         {
@@ -100,7 +100,7 @@ int level
 
     private async Task<CharacterSheet.Row> GetCharacterRow(int characterId)
     {
-        var sheets = await _stateGetter.GetSheet<CharacterSheet>();
+        var sheets = await _stateGetter.GetSheetAsync<CharacterSheet>();
 
         if (!sheets.TryGetValue(characterId, out var row))
         {