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MareSynchronosServer/MareSynchronosServices/Discord/DiscordBotServices.cs

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+using System.Collections.Concurrent;
+using MareSynchronosShared.Metrics;
+
+namespace MareSynchronosServices.Discord;
+
+public class DiscordBotServices
+{
+    public readonly string[] LodestoneServers = new[] { "eu", "na", "jp", "fr", "de" };
+    public ConcurrentDictionary<ulong, string> DiscordLodestoneMapping = new();
+    public ConcurrentDictionary<ulong, string> DiscordRelinkLodestoneMapping = new();
+    public ConcurrentDictionary<ulong, DateTime> LastVanityChange = new();
+    public ConcurrentDictionary<string, DateTime> LastVanityGidChange = new();
+    private readonly IServiceProvider _serviceProvider;
+    private CancellationTokenSource? verificationTaskCts;
+
+    public DiscordBotServices(IServiceProvider serviceProvider, ILogger<DiscordBotServices> logger, MareMetrics metrics)
+    {
+        _serviceProvider = serviceProvider;
+        Logger = logger;
+        Metrics = metrics;
+    }
+
+    public ILogger<DiscordBotServices> Logger { get; init; }
+    public MareMetrics Metrics { get; init; }
+    public ConcurrentQueue<KeyValuePair<ulong, Action<IServiceProvider>>> VerificationQueue { get; } = new();
+
+    public Task Start()
+    {
+        _ = ProcessVerificationQueue();
+        return Task.CompletedTask;
+    }
+
+    public Task Stop()
+    {
+        verificationTaskCts?.Cancel();
+        return Task.CompletedTask;
+    }
+
+    private async Task ProcessVerificationQueue()
+    {
+        verificationTaskCts = new CancellationTokenSource();
+        while (!verificationTaskCts.IsCancellationRequested)
+        {
+            if (VerificationQueue.TryDequeue(out var queueitem))
+            {
+                try
+                {
+                    queueitem.Value.Invoke(_serviceProvider);
+
+                    Logger.LogInformation("Sent login information to user");
+                }
+                catch (Exception e)
+                {
+                    Logger.LogError(e, "Error during queue work");
+                }
+            }
+
+            await Task.Delay(TimeSpan.FromSeconds(2), verificationTaskCts.Token).ConfigureAwait(false);
+        }
+    }
+}