Add start of Media Moderator PoC bot

1 files changed, 66 insertions, 0 deletions

diff --git a/ExampleBots/MediaModeratorPoC/Bot/Commands/BanMediaCommand.cs b/ExampleBots/MediaModeratorPoC/Bot/Commands/BanMediaCommand.cs
new file mode 100644
index 0000000..d0b5674
--- /dev/null
+++ b/ExampleBots/MediaModeratorPoC/Bot/Commands/BanMediaCommand.cs
@@ -0,0 +1,66 @@
+using LibMatrix.Responses;
+using LibMatrix.StateEventTypes.Spec;
+using MediaModeratorPoC.Bot.AccountData;
+using MediaModeratorPoC.Bot.Interfaces;
+using MediaModeratorPoC.Bot.StateEventTypes;
+
+namespace MediaModeratorPoC.Bot.Commands;
+
+public class BanMediaCommand(IServiceProvider services) : ICommand {
+    public string Name { get; } = "banmedia";
+    public string Description { get; } = "Create a policy banning a piece of media, must be used in reply to a message";
+
+    public async Task<bool> CanInvoke(CommandContext ctx) {
+        //check if user is admin in control room
+        var botData = await ctx.Homeserver.GetAccountData<BotData>("gay.rory.media_moderator_poc_data");
+        var controlRoom = await ctx.Homeserver.GetRoom(botData.ControlRoom);
+        var powerLevels = await controlRoom.GetPowerLevelAsync();
+        var isAdmin = powerLevels.UserHasPermission(ctx.MessageEvent.Sender, "m.room.ban");
+        if (!isAdmin) {
+            // await ctx.Reply("You do not have permission to use this command!");
+            var logRoom = await ctx.Homeserver.GetRoom(botData.LogRoom);
+            await logRoom.SendMessageEventAsync("m.room.message", new RoomMessageEventData {
+                Body = $"User {ctx.MessageEvent.Sender} tried to use command {Name} but does not have permission!",
+                MessageType = "m.text"
+            });
+        }
+        return isAdmin;
+    }
+
+    public async Task Invoke(CommandContext ctx) {
+        //check if reply
+        if ((ctx.MessageEvent.TypedContent as RoomMessageEventData).RelatesTo is { InReplyTo: not null } ) {
+            var messageContent = ctx.MessageEvent.TypedContent as RoomMessageEventData;
+            try {
+                var botData = await ctx.Homeserver.GetAccountData<BotData>("gay.rory.media_moderator_poc_data");
+                var policyRoom = await ctx.Homeserver.GetRoom(botData.PolicyRoom);
+                var logRoom = await ctx.Homeserver.GetRoom(botData.LogRoom);
+                await logRoom.SendMessageEventAsync("m.room.message", new RoomMessageEventData {
+                    Body = $"User {ctx.MessageEvent.Sender} is trying to ban media {messageContent.RelatesTo!.InReplyTo!.EventId}",
+                    MessageType = "m.text"
+                });
+
+                //get replied message
+                var repliedMessage = await ctx.Room.GetEvent<StateEventResponse>(messageContent.RelatesTo!.InReplyTo!.EventId);
+
+                await policyRoom.SendStateEventAsync("gay.rory.media_moderator_poc.rule.media", new MediaPolicyStateEventData() {
+                    Entity = (repliedMessage.TypedContent as RoomMessageEventData).Url!,
+                    Reason = string.Join(' ', ctx.Args),
+                    Recommendation = PolicyRecommendationTypes.Ban
+                });
+            }
+            catch (Exception e) {
+                await ctx.Room.SendMessageEventAsync("m.room.message", new RoomMessageEventData {
+                    Body = $"Error: {e.Message}",
+                    MessageType = "m.text"
+                });
+            }
+        }
+        else {
+            await ctx.Room.SendMessageEventAsync("m.room.message", new RoomMessageEventData {
+                Body = "This command must be used in reply to a message!",
+                MessageType = "m.text",
+            });
+        }
+    }
+}