From 08d3f3d804b54e6bc545f34f3658eb03c5dc785f Mon Sep 17 00:00:00 2001
From: Cadence Ember <cadence@disroot.org>
Date: Sat, 19 Aug 2023 23:12:36 +1200
Subject: [PATCH] synchronise channel updates

---
 d2m/actions/create-room.js |  7 +++++--
 d2m/discord-packets.js     | 12 +++++++++++-
 d2m/event-dispatcher.js    | 13 +++++++++++++
 3 files changed, 29 insertions(+), 3 deletions(-)

diff --git a/d2m/actions/create-room.js b/d2m/actions/create-room.js
index 0178347..484470e 100644
--- a/d2m/actions/create-room.js
+++ b/d2m/actions/create-room.js
@@ -252,8 +252,11 @@ async function createAllForGuild(guildID) {
 	const channelIDs = discord.guildChannelMap.get(guildID)
 	assert.ok(channelIDs)
 	for (const channelID of channelIDs) {
-		if (discord.channels.get(channelID)?.type === DiscordTypes.ChannelType.GuildText) { // TODO: guild sync thread channels and such. maybe make a helper function to check if a given channel is syncable?
-			await syncRoom(channelID).then(r => console.log(`synced ${channelID}:`, r))
+		const allowedTypes = [DiscordTypes.ChannelType.GuildText, DiscordTypes.ChannelType.PublicThread]
+		// @ts-ignore
+		if (allowedTypes.includes(discord.channels.get(channelID)?.type)) {
+			const roomID = await syncRoom(channelID)
+			console.log(`synced ${channelID} <-> ${roomID}`)
 		}
 	}
 }
diff --git a/d2m/discord-packets.js b/d2m/discord-packets.js
index 970bab4..f172321 100644
--- a/d2m/discord-packets.js
+++ b/d2m/discord-packets.js
@@ -44,6 +44,10 @@ const utils = {
 			eventDispatcher.checkMissedMessages(client, message.d)
 
 
+		} else if (message.t === "CHANNEL_UPDATE" || message.t === "THREAD_UPDATE") {
+			client.channels.set(message.d.id, message.d)
+
+
 		} else if (message.t === "GUILD_DELETE") {
 			client.guilds.delete(message.d.id)
 			const channels = client.guildChannelMap.get(message.d.id)
@@ -74,7 +78,13 @@ const utils = {
 
 		// Event dispatcher for OOYE bridge operations
 		try {
-			if (message.t === "MESSAGE_CREATE") {
+			if (message.t === "CHANNEL_UPDATE") {
+				await eventDispatcher.onChannelOrThreadUpdate(client, message.d, false)
+
+			} else if (message.t === "THREAD_UPDATE") {
+				await eventDispatcher.onChannelOrThreadUpdate(client, message.d, true)
+
+			} else if (message.t === "MESSAGE_CREATE") {
 				await eventDispatcher.onMessageCreate(client, message.d)
 
 			} else if (message.t === "MESSAGE_UPDATE") {
diff --git a/d2m/event-dispatcher.js b/d2m/event-dispatcher.js
index 273e89b..ad2a2d2 100644
--- a/d2m/event-dispatcher.js
+++ b/d2m/event-dispatcher.js
@@ -10,6 +10,8 @@ const editMessage = sync.require("./actions/edit-message")
 const deleteMessage = sync.require("./actions/delete-message")
 /** @type {import("./actions/add-reaction")}) */
 const addReaction = sync.require("./actions/add-reaction")
+/** @type {import("./actions/create-room")}) */
+const createRoom = sync.require("./actions/create-room")
 /** @type {import("../matrix/api")}) */
 const api = sync.require("../matrix/api")
 
@@ -99,6 +101,17 @@ module.exports = {
 		}
 	},
 
+		/**
+	 * @param {import("./discord-client")} client
+	 * @param {import("discord-api-types/v10").GatewayChannelUpdateDispatchData} channelOrThread
+	 * @param {boolean} isThread
+	 */
+	async onChannelOrThreadUpdate(client, channelOrThread, isThread) {
+		const roomID = db.prepare("SELECT room_id FROM channel_room WHERE channel_id = ?").get(channelOrThread.id)
+		if (!roomID) return // No target room to update the data on
+		await createRoom.syncRoom(channelOrThread.id)
+	},
+
 	/**
 	 * @param {import("./discord-client")} client
 	 * @param {import("discord-api-types/v10").GatewayMessageCreateDispatchData} message