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path: root/src/server/api/stream/hybrid-timeline.ts
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import * as websocket from 'websocket';
import Xev from 'xev';

import { IUser } from '../../../models/user';
import Mute from '../../../models/mute';
import { pack } from '../../../models/note';
import shouldMuteThisNote from '../../../misc/should-mute-this-note';

export default async function(
	request: websocket.request,
	connection: websocket.connection,
	subscriber: Xev,
	user: IUser
) {
	const mute = await Mute.find({ muterId: user._id });
	const mutedUserIds = mute.map(m => m.muteeId.toString());

	// Subscribe stream
	subscriber.on('hybrid-timeline', onEvent);
	subscriber.on(`hybrid-timeline:${user._id}`, onEvent);

	async function onEvent(note: any) {
		// Renoteなら再pack
		if (note.renoteId != null) {
			note.renote = await pack(note.renoteId, user, {
				detail: true
			});
		}

		// 流れてきたNoteがミュートしているユーザーが関わるものだったら無視する
		if (shouldMuteThisNote(note, mutedUserIds)) return;

		connection.send(JSON.stringify({
			type: 'note',
			body: note
		}));
	}
}