misskey/src/services/note/create.ts

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import es from '../../db/elasticsearch';
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import Note, { pack, INote } from '../../models/note';
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import User, { isLocalUser, IUser, isRemoteUser, IRemoteUser, ILocalUser } from '../../models/user';
import { publishMainStream, publishHomeTimelineStream, publishLocalTimelineStream, publishHybridTimelineStream, publishGlobalTimelineStream, publishUserListStream, publishHashtagStream } from '../../stream';
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import Following from '../../models/following';
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import { deliver } from '../../queue';
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import renderNote from '../../remote/activitypub/renderer/note';
import renderCreate from '../../remote/activitypub/renderer/create';
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import renderAnnounce from '../../remote/activitypub/renderer/announce';
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import packAp from '../../remote/activitypub/renderer';
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import DriveFile, { IDriveFile } from '../../models/drive-file';
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import notify from '../../notify';
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import NoteWatching from '../../models/note-watching';
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import watch from './watch';
import Mute from '../../models/mute';
import parse from '../../mfm/parse';
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import { IApp } from '../../models/app';
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import UserList from '../../models/user-list';
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import resolveUser from '../../remote/resolve-user';
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import Meta from '../../models/meta';
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import config from '../../config';
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import registerHashtag from '../register-hashtag';
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import isQuote from '../../misc/is-quote';
import { TextElementMention } from '../../mfm/parse/elements/mention';
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import { TextElementHashtag } from '../../mfm/parse/elements/hashtag';
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import notesChart from '../../chart/notes';
import perUserNotesChart from '../../chart/per-user-notes';
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import { erase, unique } from '../../prelude/array';
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import insertNoteUnread from './unread';
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import registerInstance from '../register-instance';
import Instance from '../../models/instance';
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type NotificationType = 'reply' | 'renote' | 'quote' | 'mention';
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class NotificationManager {
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private notifier: IUser;
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private note: INote;
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private queue: Array<{
target: ILocalUser['_id'];
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reason: NotificationType;
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}>;
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constructor(notifier: IUser, note: INote) {
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this.notifier = notifier;
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this.note = note;
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this.queue = [];
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}
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public push(notifiee: ILocalUser['_id'], reason: NotificationType) {
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// 自分自身へは通知しない
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if (this.notifier._id.equals(notifiee)) return;
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const exist = this.queue.find(x => x.target.equals(notifiee));
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if (exist) {
// 「メンションされているかつ返信されている」場合は、メンションとしての通知ではなく返信としての通知にする
if (reason != 'mention') {
exist.reason = reason;
}
} else {
this.queue.push({
reason: reason,
target: notifiee
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});
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}
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}
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public deliver() {
this.queue.forEach(async x => {
// ミュート情報を取得
const mentioneeMutes = await Mute.find({
muterId: x.target
});
const mentioneesMutedUserIds = mentioneeMutes.map(m => m.muteeId.toString());
// 通知される側のユーザーが通知する側のユーザーをミュートしていない限りは通知する
if (!mentioneesMutedUserIds.includes(this.notifier._id.toString())) {
notify(x.target, this.notifier._id, x.reason, {
noteId: this.note._id
});
}
});
}
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}
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type Option = {
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createdAt?: Date;
text?: string;
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reply?: INote;
renote?: INote;
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files?: IDriveFile[];
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geo?: any;
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poll?: any;
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viaMobile?: boolean;
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cw?: string;
visibility?: string;
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visibleUsers?: IUser[];
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uri?: string;
app?: IApp;
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};
export default async (user: IUser, data: Option, silent = false) => new Promise<INote>(async (res, rej) => {
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const isFirstNote = user.notesCount === 0;
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if (data.createdAt == null) data.createdAt = new Date();
if (data.visibility == null) data.visibility = 'public';
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if (data.viaMobile == null) data.viaMobile = false;
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if (data.visibleUsers) {
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data.visibleUsers = erase(null, data.visibleUsers);
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}
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// リプライ対象が削除された投稿だったらreject
if (data.reply && data.reply.deletedAt != null) {
return rej();
}
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// Renote対象が削除された投稿だったらreject
if (data.renote && data.renote.deletedAt != null) {
return rej();
}
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// Renote対象が「ホームまたは全体」以外の公開範囲ならreject
if (data.renote && data.renote.visibility != 'public' && data.renote.visibility != 'home') {
return rej();
}
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// リプライ対象が自分以外の非公開の投稿なら禁止
if (data.reply && data.reply.visibility == 'private' && !data.reply.userId.equals(user._id)) {
return rej();
}
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// Renote対象が自分以外の非公開の投稿なら禁止
if (data.renote && data.renote.visibility == 'private' && !data.renote.userId.equals(user._id)) {
return rej();
}
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if (data.text) {
data.text = data.text.trim();
}
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// Parse MFM
const tokens = data.text ? parse(data.text) : [];
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const tags = extractHashtags(tokens);
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const mentionedUsers = await extractMentionedUsers(tokens);
if (data.reply && !user._id.equals(data.reply.userId) && !mentionedUsers.some(u => u._id.equals(data.reply.userId))) {
mentionedUsers.push(await User.findOne({ _id: data.reply.userId }));
}
if (data.visibility == 'specified') {
data.visibleUsers.forEach(u => {
if (!mentionedUsers.some(x => x._id.equals(u._id))) {
mentionedUsers.push(u);
}
});
}
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const note = await insertNote(user, data, tags, mentionedUsers);
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res(note);
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if (note == null) {
return;
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}
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// 統計を更新
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notesChart.update(note, true);
perUserNotesChart.update(user, note, true);
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// Register host
if (isRemoteUser(user)) {
registerInstance(user.host).then(i => {
Instance.update({ _id: i._id }, {
$inc: {
notesCount: 1
}
});
// TODO
//perInstanceChart.newNote();
});
}
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// ハッシュタグ登録
tags.map(tag => registerHashtag(user, tag));
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// ファイルが添付されていた場合ドライブのファイルの「このファイルが添付された投稿一覧」プロパティにこの投稿を追加
if (data.files) {
data.files.forEach(file => {
DriveFile.update({ _id: file._id }, {
$push: {
'metadata.attachedNoteIds': note._id
}
});
});
}
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// Increment notes count
incNotesCount(user);
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// Increment notes count (user)
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incNotesCountOfUser(user);
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// 未読通知を作成
if (data.visibility == 'specified') {
data.visibleUsers.forEach(u => {
insertNoteUnread(u, note, true);
});
} else {
mentionedUsers.forEach(u => {
insertNoteUnread(u, note, false);
});
}
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if (data.reply) {
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saveReply(data.reply, note);
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}
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if (data.renote) {
incRenoteCount(data.renote);
}
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if (isQuote(note)) {
saveQuote(data.renote, note);
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}
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// Pack the note
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const noteObj = await pack(note);
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if (isFirstNote) {
noteObj.isFirstNote = true;
}
if (tags.length > 0) {
publishHashtagStream(noteObj);
}
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const nm = new NotificationManager(user, note);
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const nmRelatedPromises = [];
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createMentionedEvents(mentionedUsers, note, nm);
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const noteActivity = await renderActivity(data, note);
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if (isLocalUser(user) && note.visibility != 'private') {
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deliverNoteToMentionedRemoteUsers(mentionedUsers, user, noteActivity);
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}
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// If has in reply to note
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if (data.reply) {
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// Fetch watchers
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nmRelatedPromises.push(notifyToWatchersOfReplyee(data.reply, user, nm));
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// この投稿をWatchする
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if (isLocalUser(user) && user.settings.autoWatch !== false) {
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watch(user._id, data.reply);
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}
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// 通知
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if (isLocalUser(data.reply._user)) {
nm.push(data.reply.userId, 'reply');
publishMainStream(data.reply.userId, 'reply', noteObj);
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}
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}
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// If it is renote
if (data.renote) {
const type = data.text ? 'quote' : 'renote';
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// Notify
if (isLocalUser(data.renote._user)) {
nm.push(data.renote.userId, type);
}
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// Fetch watchers
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nmRelatedPromises.push(notifyToWatchersOfRenotee(data.renote, user, nm, type));
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// この投稿をWatchする
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if (isLocalUser(user) && user.settings.autoWatch !== false) {
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watch(user._id, data.renote);
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}
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// Publish event
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if (!user._id.equals(data.renote.userId) && isLocalUser(data.renote._user)) {
publishMainStream(data.renote.userId, 'renote', noteObj);
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}
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}
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if (!silent) {
publish(user, note, noteObj, data.reply, data.renote, data.visibleUsers, noteActivity);
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}
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Promise.all(nmRelatedPromises).then(() => {
nm.deliver();
});
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// Register to search database
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index(note);
});
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async function renderActivity(data: Option, note: INote) {
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const content = data.renote && data.text == null && data.poll == null && (data.files == null || data.files.length == 0)
? renderAnnounce(data.renote.uri ? data.renote.uri : `${config.url}/notes/${data.renote._id}`, note)
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: renderCreate(await renderNote(note, false), note);
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return packAp(content);
}
function incRenoteCount(renote: INote) {
Note.update({ _id: renote._id }, {
$inc: {
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renoteCount: 1,
score: 1
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}
});
}
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async function publish(user: IUser, note: INote, noteObj: any, reply: INote, renote: INote, visibleUsers: IUser[], noteActivity: any) {
if (isLocalUser(user)) {
// 投稿がリプライかつ投稿者がローカルユーザーかつリプライ先の投稿の投稿者がリモートユーザーなら配送
if (reply && isRemoteUser(reply._user)) {
deliver(user, noteActivity, reply._user.inbox);
}
// 投稿がRenoteかつ投稿者がローカルユーザーかつRenote元の投稿の投稿者がリモートユーザーなら配送
if (renote && isRemoteUser(renote._user)) {
deliver(user, noteActivity, renote._user.inbox);
}
if (['private', 'followers', 'specified'].includes(note.visibility)) {
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const detailPackedNote = await pack(note, user, {
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detail: true
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});
// Publish event to myself's stream
publishHomeTimelineStream(note.userId, detailPackedNote);
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publishHybridTimelineStream(note.userId, detailPackedNote);
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} else {
// Publish event to myself's stream
publishHomeTimelineStream(note.userId, noteObj);
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// Publish note to local and hybrid timeline stream
if (note.visibility != 'home') {
publishLocalTimelineStream(noteObj);
}
if (note.visibility == 'public') {
publishHybridTimelineStream(null, noteObj);
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} else {
// Publish event to myself's stream
publishHybridTimelineStream(note.userId, noteObj);
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}
}
}
// Publish note to global timeline stream
if (note.visibility == 'public' && note.replyId == null) {
publishGlobalTimelineStream(noteObj);
}
if (['public', 'home', 'followers'].includes(note.visibility)) {
// フォロワーに配信
publishToFollowers(note, user, noteActivity);
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}
// リストに配信
publishToUserLists(note, noteObj);
}
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async function insertNote(user: IUser, data: Option, tags: string[], mentionedUsers: IUser[]) {
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const insert: any = {
createdAt: data.createdAt,
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fileIds: data.files ? data.files.map(file => file._id) : [],
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replyId: data.reply ? data.reply._id : null,
renoteId: data.renote ? data.renote._id : null,
text: data.text,
poll: data.poll,
cw: data.cw == null ? null : data.cw,
tags,
tagsLower: tags.map(tag => tag.toLowerCase()),
userId: user._id,
viaMobile: data.viaMobile,
geo: data.geo || null,
appId: data.app ? data.app._id : null,
visibility: data.visibility,
visibleUserIds: data.visibility == 'specified'
? data.visibleUsers
? data.visibleUsers.map(u => u._id)
: []
: [],
// 以下非正規化データ
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_reply: data.reply ? {
userId: data.reply.userId,
user: {
host: data.reply._user.host
}
} : null,
_renote: data.renote ? {
userId: data.renote.userId,
user: {
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host: data.renote._user.host
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}
} : null,
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_user: {
host: user.host,
inbox: isRemoteUser(user) ? user.inbox : undefined
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},
_files: data.files ? data.files : []
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};
if (data.uri != null) insert.uri = data.uri;
// Append mentions data
if (mentionedUsers.length > 0) {
insert.mentions = mentionedUsers.map(u => u._id);
insert.mentionedRemoteUsers = mentionedUsers.filter(u => isRemoteUser(u)).map(u => ({
uri: (u as IRemoteUser).uri,
username: u.username,
host: u.host
}));
}
// 投稿を作成
try {
return await Note.insert(insert);
} catch (e) {
// duplicate key error
if (e.code === 11000) {
return null;
}
console.error(e);
throw 'something happened';
}
}
function extractHashtags(tokens: ReturnType<typeof parse>): string[] {
// Extract hashtags
const hashtags = tokens
.filter(t => t.type == 'hashtag')
.map(t => (t as TextElementHashtag).hashtag)
.filter(tag => tag.length <= 100);
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return unique(hashtags);
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}
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function index(note: INote) {
if (note.text == null || config.elasticsearch == null) return;
es.index({
index: 'misskey',
type: 'note',
id: note._id.toString(),
body: {
text: note.text
}
});
}
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async function notifyToWatchersOfRenotee(renote: INote, user: IUser, nm: NotificationManager, type: NotificationType) {
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const watchers = await NoteWatching.find({
noteId: renote._id,
userId: { $ne: user._id }
}, {
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fields: {
userId: true
}
});
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watchers.forEach(watcher => {
nm.push(watcher.userId, type);
});
}
async function notifyToWatchersOfReplyee(reply: INote, user: IUser, nm: NotificationManager) {
const watchers = await NoteWatching.find({
noteId: reply._id,
userId: { $ne: user._id }
}, {
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fields: {
userId: true
}
});
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watchers.forEach(watcher => {
nm.push(watcher.userId, 'reply');
});
}
async function publishToUserLists(note: INote, noteObj: any) {
const lists = await UserList.find({
userIds: note.userId
});
lists.forEach(list => {
publishUserListStream(list._id, 'note', noteObj);
});
}
async function publishToFollowers(note: INote, user: IUser, noteActivity: any) {
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const detailPackedNote = await pack(note, null, {
detail: true,
skipHide: true
});
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const followers = await Following.find({
followeeId: note.userId
});
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const queue: string[] = [];
followers.map(following => {
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const follower = following._follower;
if (isLocalUser(follower)) {
// ストーキングしていない場合
if (!following.stalk) {
// この投稿が返信ならスキップ
if (note.replyId && !note._reply.userId.equals(following.followerId) && !note._reply.userId.equals(note.userId))
return;
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}
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// Publish event to followers stream
publishHomeTimelineStream(following.followerId, detailPackedNote);
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if (isRemoteUser(user) || note.visibility != 'public') {
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publishHybridTimelineStream(following.followerId, detailPackedNote);
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}
} else {
// フォロワーがリモートユーザーかつ投稿者がローカルユーザーなら投稿を配信
if (isLocalUser(user)) {
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const inbox = follower.sharedInbox || follower.inbox;
if (!queue.includes(inbox)) queue.push(inbox);
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}
}
});
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queue.forEach(inbox => {
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deliver(user as any, noteActivity, inbox);
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});
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}
function deliverNoteToMentionedRemoteUsers(mentionedUsers: IUser[], user: ILocalUser, noteActivity: any) {
mentionedUsers.filter(u => isRemoteUser(u)).forEach(async (u) => {
deliver(user, noteActivity, (u as IRemoteUser).inbox);
});
}
function createMentionedEvents(mentionedUsers: IUser[], note: INote, nm: NotificationManager) {
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mentionedUsers.filter(u => isLocalUser(u)).forEach(async (u) => {
const detailPackedNote = await pack(note, u, {
detail: true
});
publishMainStream(u._id, 'mention', detailPackedNote);
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// Create notification
nm.push(u._id, 'mention');
});
}
function saveQuote(renote: INote, note: INote) {
Note.update({ _id: renote._id }, {
$push: {
_quoteIds: note._id
},
});
}
function saveReply(reply: INote, note: INote) {
Note.update({ _id: reply._id }, {
$push: {
_replyIds: note._id
},
$inc: {
repliesCount: 1
}
});
}
function incNotesCountOfUser(user: IUser) {
User.update({ _id: user._id }, {
$inc: {
notesCount: 1
}
});
}
function incNotesCount(user: IUser) {
if (isLocalUser(user)) {
Meta.update({}, {
$inc: {
'stats.notesCount': 1,
'stats.originalNotesCount': 1
}
}, { upsert: true });
} else {
Meta.update({}, {
$inc: {
'stats.notesCount': 1
}
}, { upsert: true });
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}
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}
async function extractMentionedUsers(tokens: ReturnType<typeof parse>): Promise<IUser[]> {
if (tokens == null) return [];
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const mentionTokens = unique(
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tokens
.filter(t => t.type == 'mention') as TextElementMention[]
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);
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const mentionedUsers = unique(
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erase(null, await Promise.all(mentionTokens.map(async m => {
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try {
return await resolveUser(m.username, m.host);
} catch (e) {
return null;
}
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})))
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);
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return mentionedUsers;
}