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path: root/src/server/api/endpoints/notes/state.ts
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import $ from 'cafy';
import ID, { transform } from '../../../../misc/cafy-id';
import define from '../../define';
import Favorite from '../../../../models/favorite';
import NoteWatching from '../../../../models/note-watching';

export const meta = {
	stability: 'stable',

	desc: {
		'ja-JP': '指定した投稿の状態を取得します。',
		'en-US': 'Get state of a note.'
	},

	requireCredential: true,

	params: {
		noteId: {
			validator: $.type(ID),
			transform: transform,
			desc: {
				'ja-JP': '対象の投稿のID',
				'en-US': 'Target note ID.'
			}
		}
	}
};

export default define(meta, (ps, user) => new Promise(async (res, rej) => {
	const [favorite, watching] = await Promise.all([
		Favorite.count({
			userId: user._id,
			noteId: ps.noteId
		}, {
			limit: 1
		}),
		NoteWatching.count({
			userId: user._id,
			noteId: ps.noteId
		}, {
			limit: 1
		})
	]);

	res({
		isFavorited: favorite !== 0,
		isWatching: watching !== 0
	});
}));