Use dictionary and hashset for admin log entities and players respectively

Add test for duplicate player ids in an admin log not throwing

Content.IntegrationTests/Tests/Administration/Logs/AddTests.cs

@@ -336,4 +336,49 @@ public class AddTests : ContentIntegrationTest
 
         Assert.Pass();
     }
+
+    [Test]
+    public async Task DuplicatePlayerIdDoesNotThrowTest()
+    {
+        var (client, server) = await StartConnectedServerClientPair(serverOptions: new ServerContentIntegrationOption
+        {
+            CVarOverrides =
+            {
+                [CCVars.AdminLogsQueueSendDelay.Name] = "0"
+            },
+        });
+
+        await Task.WhenAll(client.WaitIdleAsync(), server.WaitIdleAsync());
+
+        var sPlayers = server.ResolveDependency<IPlayerManager>();
+        var sSystems = server.ResolveDependency<IEntitySystemManager>();
+
+        var sAdminLogSystem = sSystems.GetEntitySystem<AdminLogSystem>();
+
+        var guid = Guid.NewGuid();
+
+        await server.WaitPost(() =>
+        {
+            var player = sPlayers.ServerSessions.Single();
+
+            sAdminLogSystem.Add(LogType.Unknown, $"{player:first} {player:second} test log: {guid}");
+        });
+
+        await WaitUntil(server, async () =>
+        {
+            var logs = await sAdminLogSystem.CurrentRoundLogs(new LogFilter
+            {
+                Search = guid.ToString()
+            });
+
+            if (logs.Count == 0)
+            {
+                return false;
+            }
+
+            return true;
+        });
+
+        Assert.Pass();
+    }
 }

Content.Server/Administration/Logs/AdminLogSystem.Json.cs

@@ -35,11 +35,11 @@ public partial class AdminLogSystem
         _sawmill.Debug($"Admin log converters found: {string.Join(" ", converterNames)}");
     }
 
-    private (JsonDocument json, List<Guid> players, List<(int id, string? name)> entities) ToJson(
+    private (JsonDocument json, HashSet<Guid> players, Dictionary<int, string?> entities) ToJson(
         Dictionary<string, object?> properties)
     {
-        var entities = new List<(int id, string? name)>();
+        var entities = new Dictionary<int, string?>();
-        var players = new List<Guid>();
+        var players = new HashSet<Guid>();
         var parsed = new Dictionary<string, object?>();
 
         foreach (var key in properties.Keys)
@@ -54,7 +54,7 @@ public partial class AdminLogSystem
             var parsedKey = NamingPolicy.ConvertName(key);
             parsed.Add(parsedKey, value);
 
-            EntityUid? entityId = properties[key] switch
+            var entityId = properties[key] switch
             {
                 EntityUid id => id,
                 EntityStringRepresentation rep => rep.Uid,
@@ -72,9 +72,7 @@ public partial class AdminLogSystem
                 ? metadata.EntityName
                 : null;
 
-            if (entities.Any(e => e.id == (int) uid)) continue;
+            entities.TryAdd((int) uid, entityName);
-
-            entities.Add(((int) uid, entityName));
 
             if (_entityManager.TryGetComponent(uid, out ActorComponent? actor))
             {

Content.Server/Administration/Logs/AdminLogSystem.cs

@@ -243,7 +243,7 @@ public partial class AdminLogSystem : SharedAdminLogSystem
         }
     }
 
-    private async void Add(LogType type, LogImpact impact, string message, JsonDocument json, List<Guid> players, List<(int id, string? name)> entities)
+    private async void Add(LogType type, LogImpact impact, string message, JsonDocument json, HashSet<Guid> players, Dictionary<int, string?> entities)
     {
         var logId = NextLogId;
         var date = DateTime.UtcNow;

Content.Server/Administration/Logs/QueuedLog.cs

@@ -1,12 +1,11 @@
 using System.Collections.Generic;
 using Content.Server.Database;
-using JetBrains.Annotations;
 
 namespace Content.Server.Administration.Logs;
 
 public readonly struct QueuedLog
 {
-    public QueuedLog(AdminLog log, List<(int id, string? name)> entities)
+    public QueuedLog(AdminLog log, Dictionary<int, string?> entities)
     {
         Log = log;
         Entities = entities;
@@ -14,9 +13,9 @@ public readonly struct QueuedLog
 
     public AdminLog Log { get; }
 
-    public List<(int id, string? name)> Entities { get; }
+    public Dictionary<int, string?> Entities { get; }
 
-    public void Deconstruct(out AdminLog log, out List<(int id, string? name)> entities)
+    public void Deconstruct(out AdminLog log, out Dictionary<int, string?> entities)
     {
         log = Log;
         entities = Entities;

Content.Shared/Administration/Logs/LogStringHandler.cs

@@ -40,9 +40,8 @@ public ref struct LogStringHandler
             format = argument[0] == '@' ? argument[1..] : argument;
         }
 
-        if (!Values.TryAdd(format, value))
+        if (Values.TryAdd(format, value) ||
-        {
+            Values[format] == (object?) value)
-            if (Values[format] == (object?) value)
         {
             return;
         }
@@ -57,7 +56,6 @@ public ref struct LogStringHandler
             i++;
         }
     }
-    }
 
     public void AppendLiteral(string value)
     {