From f44f5d7ac2d24ff836c2e1d4b2fa58da04b13052 Mon Sep 17 00:00:00 2001
From: Madeline <46743919+MaddyUnderStars@users.noreply.github.com>
Date: Sun, 25 Sep 2022 18:24:21 +1000
Subject: Refactor to mono-repo + upgrade packages

---
 src/gateway/opcodes/VoiceStateUpdate.ts | 113 ++++++++++++++++++++++++++++++++
 1 file changed, 113 insertions(+)
 create mode 100644 src/gateway/opcodes/VoiceStateUpdate.ts

(limited to 'src/gateway/opcodes/VoiceStateUpdate.ts')

diff --git a/src/gateway/opcodes/VoiceStateUpdate.ts b/src/gateway/opcodes/VoiceStateUpdate.ts
new file mode 100644
index 00000000..fa63f7fc
--- /dev/null
+++ b/src/gateway/opcodes/VoiceStateUpdate.ts
@@ -0,0 +1,113 @@
+import { VoiceStateUpdateSchema } from "../schema/VoiceStateUpdateSchema";
+import { Payload, WebSocket } from "@fosscord/gateway";
+import { genVoiceToken } from "../util/SessionUtils";
+import { check } from "./instanceOf";
+import {
+	Config,
+	emitEvent,
+	Guild,
+	Member,
+	Region,
+	VoiceServerUpdateEvent,
+	VoiceState,
+	VoiceStateUpdateEvent,
+} from "@fosscord/util";
+// TODO: check if a voice server is setup
+// Notice: Bot users respect the voice channel's user limit, if set. When the voice channel is full, you will not receive the Voice State Update or Voice Server Update events in response to your own Voice State Update. Having MANAGE_CHANNELS permission bypasses this limit and allows you to join regardless of the channel being full or not.
+
+export async function onVoiceStateUpdate(this: WebSocket, data: Payload) {
+	check.call(this, VoiceStateUpdateSchema, data.d);
+	const body = data.d as VoiceStateUpdateSchema;
+
+	let voiceState: VoiceState;
+	try {
+		voiceState = await VoiceState.findOneOrFail({
+			where: { user_id: this.user_id },
+		});
+		if (
+			voiceState.session_id !== this.session_id &&
+			body.channel_id === null
+		) {
+			//Should we also check guild_id === null?
+			//changing deaf or mute on a client that's not the one with the same session of the voicestate in the database should be ignored
+			return;
+		}
+
+		//If a user change voice channel between guild we should send a left event first
+		if (
+			voiceState.guild_id !== body.guild_id &&
+			voiceState.session_id === this.session_id
+		) {
+			await emitEvent({
+				event: "VOICE_STATE_UPDATE",
+				data: { ...voiceState, channel_id: null },
+				guild_id: voiceState.guild_id,
+			});
+		}
+
+		//The event send by Discord's client on channel leave has both guild_id and channel_id as null
+		if (body.guild_id === null) body.guild_id = voiceState.guild_id;
+		voiceState.assign(body);
+	} catch (error) {
+		voiceState = VoiceState.create({
+			...body,
+			user_id: this.user_id,
+			deaf: false,
+			mute: false,
+			suppress: false,
+		});
+	}
+
+	// 'Fix' for this one voice state error
+	if (!voiceState.guild_id) return;
+
+	//TODO the member should only have these properties: hoisted_role, deaf, joined_at, mute, roles, user
+	//TODO the member.user should only have these properties: avatar, discriminator, id, username
+	//TODO this may fail
+	voiceState.member = await Member.findOneOrFail({
+		where: { id: voiceState.user_id, guild_id: voiceState.guild_id },
+		relations: ["user", "roles"],
+	});
+
+	//If the session changed we generate a new token
+	if (voiceState.session_id !== this.session_id)
+		voiceState.token = genVoiceToken();
+	voiceState.session_id = this.session_id;
+
+	const { id, ...newObj } = voiceState;
+
+	await Promise.all([
+		voiceState.save(),
+		emitEvent({
+			event: "VOICE_STATE_UPDATE",
+			data: newObj,
+			guild_id: voiceState.guild_id,
+		} as VoiceStateUpdateEvent),
+	]);
+
+	//If it's null it means that we are leaving the channel and this event is not needed
+	if (voiceState.channel_id !== null) {
+		const guild = await Guild.findOne({ where: { id: voiceState.guild_id } });
+		const regions = Config.get().regions;
+		let guildRegion: Region;
+		if (guild && guild.region) {
+			guildRegion = regions.available.filter(
+				(r) => r.id === guild.region
+			)[0];
+		} else {
+			guildRegion = regions.available.filter(
+				(r) => r.id === regions.default
+			)[0];
+		}
+
+		await emitEvent({
+			event: "VOICE_SERVER_UPDATE",
+			data: {
+				token: voiceState.token,
+				guild_id: voiceState.guild_id,
+				endpoint: guildRegion.endpoint,
+			},
+			guild_id: voiceState.guild_id,
+		} as VoiceServerUpdateEvent);
+	}
+}
-- 
cgit 1.5.1