Goodbye<3

.gitea/workflows/docker-image-prod.yml

@@ -1,9 +1,9 @@
 name: Silvanus Production Dockerization
 
 on:
-  pull_request:
+  push:
-    branches:
+    tags:
-      - main
+      - '*'
 
 env:
   DHUB_UNAME: ${{ secrets.DHUB_UNAME }}
@@ -27,7 +27,7 @@ jobs:
              cd silvanus
            else
              cd silvanus
-             git pull
+             git fetch --tags --force origin
            fi
            git checkout ${{ gitea.ref}}
     - name: Build the Docker image

main.js

@@ -31,7 +31,77 @@ const { GuildInfo } = require('./modules/CustomClasses.js');
 const isDev = process.env.DEBUG === "true";
 let statusChannel;
 
+// Silvanus is being shut down: on launch, leave every guild and exit instead of starting normally.
+const shuttingDown = true;
+
+const farewellMessage = [
+	'Silvanus is being permanently shut down. Many of its core features are now built into Grow A Tree, and Discord has restricted bots\' access to message content, which Silvanus needs in order to work.',
+	'',
+	'It has been so much fun over the last few years. Thank you all for your support, and much love to you all!',
+	'',
+	'So long and thanks for all the apples 🍎',
+	'-Silvanus and @vfsh'
+].join('\n');
+
+// Post the farewell in the guild's reminder channel, falling back to its tree channel. Returns the channel used, if any.
+async function sendFarewell(guild) {
+	const guildInfo = client.guildInfos.get(guild.id);
+	if (!guildInfo) return;
+	const channelIds = [...new Set([guildInfo.reminderChannelId, guildInfo.treeChannelId].filter(id => id))];
+	for (const channelId of channelIds) {
+		try {
+			const channel = await client.channels.fetch(channelId);
+			if (channel.guildId !== guild.id) continue;
+			await channel.send({ content: farewellMessage, allowedMentions: { parse: [] } });
+			return channel;
+		} catch (e) {
+			console.error(`Failed to send farewell to channel ${channelId} in ${guild.name} (${guild.id}): ${e}`);
+		}
+	}
+}
+
+async function leaveAllGuilds() {
+	// Skip the normal guildDelete handler, it depends on state that isn't built in shutdown mode
+	client.removeAllListeners('guildDelete');
+	statusChannel = await client.channels.fetch(statusChannelId).catch(e => console.error('Unable to fetch status channel', e));
+	const logStatus = async msg => {
+		console.log(msg);
+		if (statusChannel) await statusChannel.send(msg).catch(e => console.error(e));
+	};
+	// Load each guild's configured channels from the database so we know where to say goodbye
+	// If the database can't be read, abort without leaving anything so the shutdown can be retried
+	try {
+		await fn.collectionBuilders.guildInfos(client);
+	} catch (e) {
+		await logStatus(`Shutdown aborted, unable to load guild infos from the database: ${e}`);
+		client.destroy();
+		process.exit(1);
+	}
+	// Don't leave the server the status channel lives in until the end, so messages can still be sent
+	const guilds = [...client.guilds.cache.values()]
+		.sort((a, b) => (a.id === statusChannel?.guildId) - (b.id === statusChannel?.guildId));
+	await logStatus(`Shutting down: leaving ${guilds.length} guild(s)...`);
+	let farewellCount = 0;
+	for (const guild of guilds) {
+		// Once the bot leaves the dev server it can't post there anymore, so say goodbye first
+		if (guild.id === statusChannel?.guildId) await logStatus(`Leaving my final guild: ${guild.name} (${guild.id}). Goodbye, and thanks for all the trees. 🌳`);
+		const farewellChannel = await sendFarewell(guild);
+		if (farewellChannel) farewellCount++;
+		const farewellNote = farewellChannel ? `farewell sent in #${farewellChannel.name}` : 'no farewell sent';
+		await guild.leave()
+			.then(() => {
+				const msg = `I've left a guild: ${guild.name} (${guild.id}) -- ${farewellNote}`;
+				return guild.id === statusChannel?.guildId ? console.log(msg) : logStatus(msg);
+			})
+			.catch(e => logStatus(`Failed to leave guild: ${guild.name} (${guild.id}) -- ${e}`));
+	}
+	console.log(`Finished leaving guilds, sent ${farewellCount} farewell(s). Goodbye!`);
+	client.destroy();
+	process.exit(0);
+}
+
 client.once('ready', async () => {
+	if (shuttingDown) return leaveAllGuilds();
 	fn.collectionBuilders.slashCommands(client);
 	fn.collectionBuilders.dotCommands(client);
 	fn.collectionBuilders.setvalidCommands(client);

modules/dbfn.js

@@ -79,13 +79,17 @@ module.exports = {
 			database: process.env.DBNAME,
 			port: process.env.DBPORT
 		});
-		db.connect((err) => {
-			if (err) throw `Error connecting to the database: ${err.message}`;
-		});
 		// Get a server's tree information from the database
 		const query = 'SELECT * FROM guild_info';
 		// TODO run this query and return a promise then structure the output into a GuildInfo object. resolve with { "status": , "data": guildInfo }
 		return new Promise((resolve, reject) => {
+			// Reject instead of throwing so callers can handle a failed connection
+			db.connect((err) => {
+				if (err) {
+					reject(`Error connecting to the database: ${err.message}`);
+					db.destroy();
+				}
+			});
 			db.query(query, (err, res) => {
 				if (err) {
 					console.error(err);