375 lines
		
	
	
		
			8.1 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			375 lines
		
	
	
		
			8.1 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
| import * as mongo from 'mongodb';
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| const deepcopy = require('deepcopy');
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| import rap from '@prezzemolo/rap';
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| import db from '../db/mongodb';
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| import { IUser, pack as packUser } from './user';
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| import { pack as packApp } from './app';
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| import PollVote, { deletePollVote } from './poll-vote';
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| import Reaction, { deleteNoteReaction } from './note-reaction';
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| import { pack as packFile, IDriveFile } from './drive-file';
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| import NoteWatching, { deleteNoteWatching } from './note-watching';
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| import NoteReaction from './note-reaction';
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| import Favorite, { deleteFavorite } from './favorite';
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| import Notification, { deleteNotification } from './notification';
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| import Following from './following';
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| 
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| const Note = db.get<INote>('notes');
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| Note.createIndex('uri', { sparse: true, unique: true });
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| Note.createIndex('userId');
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| Note.createIndex('tagsLower');
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| Note.createIndex('_files.contentType');
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| Note.createIndex({
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| 	createdAt: -1
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| });
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| 
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| // 後方互換性のため
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| Note.update({}, {
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| 	$rename: {
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| 		mediaIds: 'fileIds'
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| 	}
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| }, {
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| 	multi: true
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| });
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| 
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| export default Note;
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| 
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| export function isValidText(text: string): boolean {
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| 	return text.length <= 1000 && text.trim() != '';
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| }
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| 
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| export function isValidCw(text: string): boolean {
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| 	return text.length <= 100;
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| }
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| 
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| export type INote = {
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| 	_id: mongo.ObjectID;
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| 	createdAt: Date;
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| 	deletedAt: Date;
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| 	fileIds: mongo.ObjectID[];
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| 	replyId: mongo.ObjectID;
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| 	renoteId: mongo.ObjectID;
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| 	poll: {
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| 		choices: Array<{
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| 			id: number;
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| 		}>
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| 	};
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| 	text: string;
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| 	tags: string[];
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| 	tagsLower: string[];
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| 	cw: string;
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| 	userId: mongo.ObjectID;
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| 	appId: mongo.ObjectID;
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| 	viaMobile: boolean;
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| 	renoteCount: number;
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| 	repliesCount: number;
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| 	reactionCounts: any;
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| 	mentions: mongo.ObjectID[];
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| 	mentionedRemoteUsers: Array<{
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| 		uri: string;
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| 		username: string;
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| 		host: string;
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| 	}>;
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| 
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| 	/**
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| 	 * public ... 公開
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| 	 * home ... ホームタイムライン(ユーザーページのタイムライン含む)のみに流す
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| 	 * followers ... フォロワーのみ
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| 	 * specified ... visibleUserIds で指定したユーザーのみ
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| 	 * private ... 自分のみ
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| 	 */
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| 	visibility: 'public' | 'home' | 'followers' | 'specified' | 'private';
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| 
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| 	visibleUserIds: mongo.ObjectID[];
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| 
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| 	geo: {
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| 		coordinates: number[];
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| 		altitude: number;
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| 		accuracy: number;
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| 		altitudeAccuracy: number;
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| 		heading: number;
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| 		speed: number;
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| 	};
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| 	uri: string;
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| 
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| 	// 非正規化
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| 	_reply?: {
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| 		userId: mongo.ObjectID;
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| 	};
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| 	_renote?: {
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| 		userId: mongo.ObjectID;
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| 	};
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| 	_user: {
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| 		host: string;
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| 		inbox?: string;
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| 	};
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| 	_replyIds?: mongo.ObjectID[];
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| 	_files?: IDriveFile[];
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| };
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| 
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| /**
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|  * Noteを物理削除します
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|  */
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| export async function deleteNote(note: string | mongo.ObjectID | INote) {
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| 	let n: INote;
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| 
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| 	// Populate
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| 	if (mongo.ObjectID.prototype.isPrototypeOf(note)) {
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| 		n = await Note.findOne({
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| 			_id: note
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| 		});
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| 	} else if (typeof note === 'string') {
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| 		n = await Note.findOne({
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| 			_id: new mongo.ObjectID(note)
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| 		});
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| 	} else {
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| 		n = note as INote;
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| 	}
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| 
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| 	console.log(n == null ? `Note: delete skipped ${note}` : `Note: deleting ${n._id}`);
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| 
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| 	if (n == null) return;
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| 
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| 	// このNoteへの返信をすべて削除
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| 	await Promise.all((
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| 		await Note.find({ replyId: n._id })
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| 	).map(x => deleteNote(x)));
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| 
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| 	// このNoteのRenoteをすべて削除
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| 	await Promise.all((
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| 		await Note.find({ renoteId: n._id })
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| 	).map(x => deleteNote(x)));
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| 
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| 	// この投稿に対するNoteWatchingをすべて削除
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| 	await Promise.all((
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| 		await NoteWatching.find({ noteId: n._id })
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| 	).map(x => deleteNoteWatching(x)));
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| 
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| 	// この投稿に対するNoteReactionをすべて削除
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| 	await Promise.all((
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| 		await NoteReaction.find({ noteId: n._id })
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| 	).map(x => deleteNoteReaction(x)));
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| 
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| 	// この投稿に対するPollVoteをすべて削除
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| 	await Promise.all((
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| 		await PollVote.find({ noteId: n._id })
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| 	).map(x => deletePollVote(x)));
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| 
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| 	// この投稿に対するFavoriteをすべて削除
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| 	await Promise.all((
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| 		await Favorite.find({ noteId: n._id })
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| 	).map(x => deleteFavorite(x)));
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| 
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| 	// この投稿に対するNotificationをすべて削除
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| 	await Promise.all((
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| 		await Notification.find({ noteId: n._id })
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| 	).map(x => deleteNotification(x)));
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| 
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| 	// このNoteを削除
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| 	await Note.remove({
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| 		_id: n._id
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| 	});
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| 
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| 	console.log(`Note: deleted ${n._id}`);
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| }
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| 
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| /**
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|  * Pack a note for API response
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|  *
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|  * @param note target
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|  * @param me? serializee
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|  * @param options? serialize options
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|  * @return response
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|  */
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| export const pack = async (
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| 	note: string | mongo.ObjectID | INote,
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| 	me?: string | mongo.ObjectID | IUser,
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| 	options?: {
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| 		detail: boolean
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| 	}
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| ) => {
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| 	const opts = Object.assign({
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| 		detail: true
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| 	}, options);
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| 
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| 	// Me
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| 	const meId: mongo.ObjectID = me
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| 		? mongo.ObjectID.prototype.isPrototypeOf(me)
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| 			? me as mongo.ObjectID
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| 			: typeof me === 'string'
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| 				? new mongo.ObjectID(me)
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| 				: (me as IUser)._id
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| 		: null;
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| 
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| 	let _note: any;
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| 
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| 	// Populate the note if 'note' is ID
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| 	if (mongo.ObjectID.prototype.isPrototypeOf(note)) {
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| 		_note = await Note.findOne({
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| 			_id: note
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| 		});
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| 	} else if (typeof note === 'string') {
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| 		_note = await Note.findOne({
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| 			_id: new mongo.ObjectID(note)
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| 		});
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| 	} else {
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| 		_note = deepcopy(note);
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| 	}
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| 
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| 	if (!_note) throw `invalid note arg ${note}`;
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| 
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| 	let hide = false;
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| 
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| 	// visibility が private かつ投稿者のIDが自分のIDではなかったら非表示
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| 	if (_note.visibility == 'private' && (meId == null || !meId.equals(_note.userId))) {
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| 		hide = true;
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| 	}
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| 
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| 	// visibility が specified かつ自分が指定されていなかったら非表示
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| 	if (_note.visibility == 'specified') {
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| 		if (meId == null) {
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| 			hide = true;
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| 		} else if (meId.equals(_note.userId)) {
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| 			hide = false;
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| 		} else {
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| 			// 指定されているかどうか
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| 			const specified = _note.visibleUserIds.some((id: mongo.ObjectID) => id.equals(meId));
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| 
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| 			if (specified) {
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| 				hide = false;
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| 			} else {
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| 				hide = true;
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| 			}
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| 		}
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| 	}
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| 
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| 	// visibility が followers かつ自分が投稿者のフォロワーでなかったら非表示
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| 	if (_note.visibility == 'followers') {
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| 		if (meId == null) {
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| 			hide = true;
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| 		} else if (meId.equals(_note.userId)) {
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| 			hide = false;
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| 		} else {
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| 			// フォロワーかどうか
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| 			const following = await Following.findOne({
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| 				followeeId: _note.userId,
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| 				followerId: meId
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| 			});
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| 
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| 			if (following == null) {
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| 				hide = true;
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| 			} else {
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| 				hide = false;
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| 			}
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| 		}
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| 	}
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| 
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| 	const id = _note._id;
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| 
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| 	// Rename _id to id
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| 	_note.id = _note._id;
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| 	delete _note._id;
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| 
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| 	delete _note._user;
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| 	delete _note._reply;
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| 	delete _note.repost;
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| 	delete _note.mentions;
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| 	if (_note.geo) delete _note.geo.type;
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| 
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| 	// Populate user
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| 	_note.user = packUser(_note.userId, meId);
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| 
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| 	// Populate app
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| 	if (_note.appId) {
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| 		_note.app = packApp(_note.appId);
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| 	}
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| 
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| 	// Populate files
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| 	_note.files = hide ? [] : Promise.all(_note.fileIds.map((fileId: mongo.ObjectID) =>
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| 		packFile(fileId)
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| 	));
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| 
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| 	// 後方互換性のため
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| 	_note.mediaIds = _note.fileIds;
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| 	_note.media = _note.files;
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| 
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| 	// When requested a detailed note data
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| 	if (opts.detail) {
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| 		//#region 重いので廃止
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| 		_note.prev = null;
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| 		_note.next = null;
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| 		//#endregion
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| 
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| 		if (_note.replyId) {
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| 			// Populate reply to note
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| 			_note.reply = pack(_note.replyId, meId, {
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| 				detail: false
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| 			});
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| 		}
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| 
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| 		if (_note.renoteId) {
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| 			// Populate renote
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| 			_note.renote = pack(_note.renoteId, meId, {
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| 				detail: _note.text == null
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| 			});
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| 		}
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| 
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| 		// Poll
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| 		if (meId && _note.poll && !hide) {
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| 			_note.poll = (async poll => {
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| 				const vote = await PollVote
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| 					.findOne({
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| 						userId: meId,
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| 						noteId: id
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| 					});
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| 
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| 				if (vote != null) {
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| 					const myChoice = poll.choices
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| 						.filter((c: any) => c.id == vote.choice)[0];
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| 
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| 					myChoice.isVoted = true;
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| 				}
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| 
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| 				return poll;
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| 			})(_note.poll);
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| 		}
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| 
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| 		// Fetch my reaction
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| 		if (meId) {
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| 			_note.myReaction = (async () => {
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| 				const reaction = await Reaction
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| 					.findOne({
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| 						userId: meId,
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| 						noteId: id,
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| 						deletedAt: { $exists: false }
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| 					});
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| 
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| 				if (reaction) {
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| 					return reaction.reaction;
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| 				}
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| 
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| 				return null;
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| 			})();
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| 		}
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| 	}
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| 
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| 	// resolve promises in _note object
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| 	_note = await rap(_note);
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| 
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| 	if (_note.user.isCat && _note.text) {
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| 		_note.text = _note.text.replace(/な/g, 'にゃ').replace(/ナ/g, 'ニャ').replace(/ナ/g, 'ニャ');
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| 	}
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| 
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| 	if (hide) {
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| 		_note.fileIds = [];
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| 		_note.text = null;
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| 		_note.poll = null;
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| 		_note.cw = null;
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| 		_note.tags = [];
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| 		_note.tagsLower = [];
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| 		_note.geo = null;
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| 		_note.isHidden = true;
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| 	}
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| 
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| 	return _note;
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| };
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