Add start of Media Moderator PoC bot

1 files changed, 117 insertions, 0 deletions

diff --git a/ExampleBots/LibMatrix.ExampleBot/Bot/MRUBot.cs b/ExampleBots/LibMatrix.ExampleBot/Bot/MRUBot.cs
new file mode 100644
index 0000000..4f9b173
--- /dev/null
+++ b/ExampleBots/LibMatrix.ExampleBot/Bot/MRUBot.cs
@@ -0,0 +1,117 @@
+using System.Diagnostics.CodeAnalysis;
+using ArcaneLibs.Extensions;
+using LibMatrix.ExampleBot.Bot.Interfaces;
+using LibMatrix.Extensions;
+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;
+
+public class MRUBot : IHostedService {
+    private readonly HomeserverProviderService _homeserverProviderService;
+    private readonly ILogger<MRUBot> _logger;
+    private readonly MRUBotConfiguration _configuration;
+    private readonly IEnumerable<ICommand> _commands;
+
+    public MRUBot(HomeserverProviderService homeserverProviderService, ILogger<MRUBot> logger,
+        MRUBotConfiguration configuration, IServiceProvider services) {
+        logger.LogInformation("MRUBot hosted service instantiated!");
+        _homeserverProviderService = homeserverProviderService;
+        _logger = logger;
+        _configuration = configuration;
+        _logger.LogInformation("Getting commands...");
+        _commands = services.GetServices<ICommand>();
+        _logger.LogInformation("Got {} commands!", _commands.Count());
+    }
+
+    /// <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();
+
+        // foreach (var room in await hs.GetJoinedRooms()) {
+        //     if(room.RoomId is "!OGEhHVWSdvArJzumhm:matrix.org") continue;
+        //     foreach (var stateEvent in await room.GetStateAsync<List<StateEvent>>("")) {
+        //         var _ = stateEvent.GetType;
+        //     }
+        //     _logger.LogInformation($"Got room state for {room.RoomId}!");
+        // }
+
+        hs.SyncHelper.InviteReceivedHandlers.Add(async Task (args) => {
+            var inviteEvent =
+                args.Value.InviteState.Events.FirstOrDefault(x =>
+                    x.Type == "m.room.member" && x.StateKey == hs.WhoAmI.UserId);
+            _logger.LogInformation(
+                $"Got invite to {args.Key} by {inviteEvent.Sender} with reason: {(inviteEvent.TypedContent as RoomMemberEventData).Reason}");
+            if (inviteEvent.Sender.EndsWith(":rory.gay") || inviteEvent.Sender == "@mxidupwitch:the-apothecary.club") {
+                try {
+                    var senderProfile = await hs.GetProfile(inviteEvent.Sender);
+                    await (await hs.GetRoom(args.Key)).JoinAsync(reason: $"I was invited by {senderProfile.DisplayName ?? inviteEvent.Sender}!");
+                }
+                catch (Exception e) {
+                    _logger.LogError("{}", e.ToString());
+                    await (await hs.GetRoom(args.Key)).LeaveAsync(reason: "I was unable to join the room: " + e);
+                }
+            }
+        });
+        hs.SyncHelper.TimelineEventHandlers.Add(async @event => {
+            _logger.LogInformation(
+                "Got timeline event in {}: {}", @event.RoomId, @event.ToJson(indent: false, ignoreNull: true));
+
+            var room = await hs.GetRoom(@event.RoomId);
+            // _logger.LogInformation(eventResponse.ToJson(indent: false));
+            if (@event is { Type: "m.room.message", TypedContent: RoomMessageEventData message }) {
+                if (message is { MessageType: "m.text" } && message.Body.StartsWith(_configuration.Prefix)) {
+                    var command = _commands.FirstOrDefault(x => x.Name == message.Body.Split(' ')[0][_configuration.Prefix.Length..]);
+                    if (command == null) {
+                        await room.SendMessageEventAsync("m.room.message",
+                            new RoomMessageEventData {
+                                MessageType = "m.text",
+                                Body = "Command not found!"
+                            });
+                        return;
+                    }
+
+                    var ctx = new CommandContext {
+                        Room = room,
+                        MessageEvent = @event
+                    };
+                    if (await command.CanInvoke(ctx)) {
+                        await command.Invoke(ctx);
+                    }
+                    else {
+                        await room.SendMessageEventAsync("m.room.message",
+                            new RoomMessageEventData {
+                                MessageType = "m.text",
+                                Body = "You do not have permission to run this command!"
+                            });
+                    }
+                }
+            }
+        });
+        await hs.SyncHelper.RunSyncLoop(cancellationToken: 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;
+    }
+}