rudeshark.net/packages/backend/src/server/api/endpoints/i/read-announcement.ts

import define from '../../define';
import { ApiError } from '../../error';
import { genId } from '@/misc/gen-id';
import { AnnouncementReads, Announcements, Users } from '@/models/index';
import { publishMainStream } from '@/services/stream';

export const meta = {
	tags: ['account'],

	requireCredential: true,

	kind: 'write:account',

	errors: {
		noSuchAnnouncement: {
			message: 'No such announcement.',
			code: 'NO_SUCH_ANNOUNCEMENT',
			id: '184663db-df88-4bc2-8b52-fb85f0681939',
		},
	},
} as const;

export const paramDef = {
	type: 'object',
	properties: {
		announcementId: { type: 'string', format: 'misskey:id' },
	},
	required: ['announcementId'],
} as const;

// eslint-disable-next-line import/no-default-export
export default define(meta, paramDef, async (ps, user) => {
	// Check if announcement exists
	const announcement = await Announcements.findOne(ps.announcementId);

	if (announcement == null) {
		throw new ApiError(meta.errors.noSuchAnnouncement);
	}

	// Check if already read
	const read = await AnnouncementReads.findOne({
		announcementId: ps.announcementId,
		userId: user.id,
	});

	if (read != null) {
		return;
	}

	// Create read
	await AnnouncementReads.insert({
		id: genId(),
		createdAt: new Date(),
		announcementId: ps.announcementId,
		userId: user.id,
	});

	if (!await Users.getHasUnreadAnnouncement(user.id)) {
		publishMainStream(user.id, 'readAllAnnouncements');
	}
});