1 files changed, 72 insertions, 0 deletions
diff --git a/LibMatrix.ExampleBot/Bot/StartupTasks/ServerRoomSizeCalulator.cs b/LibMatrix.ExampleBot/Bot/StartupTasks/ServerRoomSizeCalulator.cs
new file mode 100644
index 0000000..4785192
--- /dev/null
+++ b/LibMatrix.ExampleBot/Bot/StartupTasks/ServerRoomSizeCalulator.cs
@@ -0,0 +1,72 @@
+using System.Diagnostics.CodeAnalysis;
+using ArcaneLibs.Extensions;
+using LibMatrix.ExampleBot.Bot.Interfaces;
+using LibMatrix.Homeservers;
+using LibMatrix.Services;
+using LibMatrix.StateEventTypes.Spec;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+using Microsoft.Extensions.Logging;
+
+namespace LibMatrix.ExampleBot.Bot.StartupTasks;
+
+public class ServerRoomSizeCalulator : IHostedService {
+    private readonly HomeserverProviderService _homeserverProviderService;
+    private readonly ILogger<ServerRoomSizeCalulator> _logger;
+    private readonly MRUBotConfiguration _configuration;
+    private readonly IEnumerable<ICommand> _commands;
+
+    public ServerRoomSizeCalulator(HomeserverProviderService homeserverProviderService, ILogger<ServerRoomSizeCalulator> logger,
+        MRUBotConfiguration configuration, IServiceProvider services) {
+        logger.LogInformation("Server room size calculator hosted service instantiated!");
+        _homeserverProviderService = homeserverProviderService;
+        _logger = logger;
+        _configuration = configuration;
+    }
+
+    /// <summary>Triggered when the application host is ready to start the service.</summary>
+    /// <param name="cancellationToken">Indicates that the start process has been aborted.</param>
+    [SuppressMessage("ReSharper", "FunctionNeverReturns")]
+    public async Task StartAsync(CancellationToken cancellationToken) {
+        Directory.GetFiles("bot_data/cache").ToList().ForEach(File.Delete);
+        AuthenticatedHomeserverGeneric hs;
+        try {
+            hs = await _homeserverProviderService.GetAuthenticatedWithToken(_configuration.Homeserver,
+                _configuration.AccessToken);
+        }
+        catch (Exception e) {
+            _logger.LogError("{}", e.Message);
+            throw;
+        }
+
+        await (await hs.GetRoom("!DoHEdFablOLjddKWIp:rory.gay")).JoinAsync();
+
+        Dictionary<string, int> totalRoomSize = new();
+        foreach (var room in await hs.GetJoinedRooms()) {
+            var stateList = room.GetFullStateAsync().ToBlockingEnumerable().ToList();
+            var roomSize = stateList.Count;
+            if (roomSize > 10000) {
+                await File.AppendAllLinesAsync("large_rooms.txt", new[] { $"{{ \"{room.RoomId}\", {roomSize} }}," }, cancellationToken);
+            }
+
+            var roomHs = room.RoomId.Split(":")[1];
+            if (totalRoomSize.ContainsKey(roomHs)) {
+                totalRoomSize[roomHs] += roomSize;
+            }
+            else {
+                totalRoomSize.Add(roomHs, roomSize);
+            }
+
+            _logger.LogInformation($"Got room state for {room.RoomId}!");
+        }
+
+        await File.WriteAllTextAsync("server_size.txt", string.Join('\n', totalRoomSize.Select(x => $"{{ \"{x.Key}\", {x.Value} }},")), cancellationToken);
+    }
+
+    /// <summary>Triggered when the application host is performing a graceful shutdown.</summary>
+    /// <param name="cancellationToken">Indicates that the shutdown process should no longer be graceful.</param>
+    public Task StopAsync(CancellationToken cancellationToken) {
+        _logger.LogInformation("Shutting down bot!");
+        return Task.CompletedTask;
+    }
+}