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/*
Spacebar: A FOSS re-implementation and extension of the Discord.com backend.
Copyright (C) 2026 Spacebar and Spacebar Contributors
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
import { Member, Stream, VoiceState } from "@spacebar/database";
import { parseStreamKey, Payload, WebSocket } from "@spacebar/gateway";
import { emitEvent, StreamDeleteEvent, VoiceStateUpdateEvent } from "@spacebar/util";
import { check } from "./instanceOf";
import { StreamDeleteSchema } from "@spacebar/schemas";
export async function onStreamDelete(this: WebSocket, data: Payload) {
const startTime = Date.now();
check.call(this, StreamDeleteSchema, data.d);
const body = data.d as StreamDeleteSchema;
let parsedKey: {
type: "guild" | "call";
channelId: string;
guildId?: string;
userId: string;
};
try {
parsedKey = parseStreamKey(body.stream_key);
} catch (e) {
return this.rawSocket.close(4000, "Invalid stream key");
}
// noinspection JSUnusedLocalSymbols - TODO: what is type here?
const { userId, channelId, guildId, type } = parsedKey;
// when a user selects to stop watching another user stream, this event gets triggered
// just disconnect user without actually deleting stream
if (this.user_id !== userId) {
await emitEvent({
event: "STREAM_DELETE",
data: {
stream_key: body.stream_key,
},
user_id: this.user_id,
} satisfies StreamDeleteEvent);
return;
}
const stream = await Stream.findOne({
where: { channel_id: channelId, owner_id: userId },
});
if (!stream) return;
await stream.remove();
const voiceState = await VoiceState.findOne({
where: { user_id: this.user_id },
// relations: { member: true }, // TODO: actually add the relation
});
if (voiceState) {
voiceState.self_stream = false;
await voiceState.save();
voiceState.member = await Member.findOneOrFail({
where: {
id: voiceState.user_id,
guild_id: voiceState.guild_id,
},
});
await emitEvent({
event: "VOICE_STATE_UPDATE",
data: {
...voiceState.toPublicVoiceState(),
member: voiceState.member.toPublicMember(),
},
guild_id: guildId,
channel_id: channelId,
} satisfies VoiceStateUpdateEvent);
}
await emitEvent({
event: "STREAM_DELETE",
data: {
stream_key: body.stream_key,
},
guild_id: guildId,
channel_id: channelId,
} satisfies StreamDeleteEvent);
console.log(`[Gateway/${this.user_id}] STREAM_DELETE for user ${this.user_id} in channel ${channelId} with stream key ${body.stream_key} in ${Date.now() - startTime}ms`);
}
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