Sharkey/src/models/note.ts

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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';
import { length } from 'stringz';
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import { IUser, pack as packUser } from './user';
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';
import NoteReaction from './note-reaction';
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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const Note = db.get<INote>('notes');
Note.createIndex('uri', { sparse: true, unique: true });
Note.createIndex('userId');
Note.createIndex('mentions');
Note.createIndex('visibleUserIds');
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Note.createIndex('tagsLower');
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Note.createIndex('_files._id');
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Note.createIndex('_files.contentType');
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Note.createIndex({
createdAt: -1
});
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export default Note;
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export function isValidText(text: string): boolean {
return length(text.trim()) <= 1000 && text.trim() != '';
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}
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export function isValidCw(text: string): boolean {
return length(text.trim()) <= 100;
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}
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export type INote = {
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_id: mongo.ObjectID;
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createdAt: Date;
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: {
choices: Array<{
id: number;
}>
};
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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;
appId: mongo.ObjectID;
viaMobile: boolean;
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renoteCount: number;
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repliesCount: number;
reactionCounts: any;
mentions: mongo.ObjectID[];
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mentionedRemoteUsers: Array<{
uri: string;
username: string;
host: string;
}>;
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/**
* public ...
* home ... ()
* followers ...
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* specified ... visibleUserIds
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* private ...
*/
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visibility: 'public' | 'home' | 'followers' | 'specified' | 'private';
visibleUserIds: mongo.ObjectID[];
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geo: {
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coordinates: number[];
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altitude: number;
accuracy: number;
altitudeAccuracy: number;
heading: number;
speed: number;
};
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uri: string;
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// 非正規化
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_reply?: {
userId: mongo.ObjectID;
};
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_renote?: {
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userId: mongo.ObjectID;
};
_user: {
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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/**
* Noteを物理削除します
*/
export async function deleteNote(note: string | mongo.ObjectID | INote) {
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let n: INote;
// Populate
if (mongo.ObjectID.prototype.isPrototypeOf(note)) {
n = await Note.findOne({
_id: note
});
} else if (typeof note === 'string') {
n = await Note.findOne({
_id: new mongo.ObjectID(note)
});
} else {
n = note as INote;
}
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console.log(n == null ? `Note: delete skipped ${note}` : `Note: deleting ${n._id}`);
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if (n == null) return;
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// このNoteへの返信をすべて削除
await Promise.all((
await Note.find({ replyId: n._id })
).map(x => deleteNote(x)));
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// このNoteのRenoteをすべて削除
await Promise.all((
await Note.find({ renoteId: n._id })
).map(x => deleteNote(x)));
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// この投稿に対するNoteWatchingをすべて削除
await Promise.all((
await NoteWatching.find({ noteId: n._id })
).map(x => deleteNoteWatching(x)));
// この投稿に対するNoteReactionをすべて削除
await Promise.all((
await NoteReaction.find({ noteId: n._id })
).map(x => deleteNoteReaction(x)));
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// この投稿に対するPollVoteをすべて削除
await Promise.all((
await PollVote.find({ noteId: n._id })
).map(x => deletePollVote(x)));
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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((
await Favorite.find({ noteId: n._id })
).map(x => deleteFavorite(x)));
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// この投稿に対するNotificationをすべて削除
await Promise.all((
await Notification.find({ noteId: n._id })
).map(x => deleteNotification(x)));
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// このNoteを削除
await Note.remove({
_id: n._id
});
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console.log(`Note: deleted ${n._id}`);
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}
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export const hideNote = async (packedNote: any, meId: mongo.ObjectID) => {
let hide = false;
// 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
if (packedNote.visibility == 'private' && (meId == null || !meId.equals(packedNote.userId))) {
hide = true;
}
// visibility が specified かつ自分が指定されていなかったら非表示
if (packedNote.visibility == 'specified') {
if (meId == null) {
hide = true;
} else if (meId.equals(packedNote.userId)) {
hide = false;
} else {
// 指定されているかどうか
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const specified = packedNote.visibleUserIds.some((id: any) => meId.equals(id));
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if (specified) {
hide = false;
} else {
hide = true;
}
}
}
// 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
if (packedNote.visibility == 'followers') {
if (meId == null) {
hide = true;
} else if (meId.equals(packedNote.userId)) {
hide = false;
} else {
// フォロワーかどうか
const following = await Following.findOne({
followeeId: packedNote.userId,
followerId: meId
});
if (following == null) {
hide = true;
} else {
hide = false;
}
}
}
if (hide) {
packedNote.fileIds = [];
packedNote.files = [];
packedNote.text = null;
packedNote.poll = null;
packedNote.cw = null;
packedNote.tags = [];
packedNote.tagsLower = [];
packedNote.geo = null;
packedNote.isHidden = true;
}
};
export const packMany = async (
notes: (string | mongo.ObjectID | INote)[],
me?: string | mongo.ObjectID | IUser,
options?: {
detail?: boolean;
skipHide?: boolean;
}
) => {
return (await Promise.all(notes.map(n => pack(n, me, options)))).filter(x => x != null);
};
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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
* @param options? serialize options
* @return response
*/
export const pack = async (
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note: string | mongo.ObjectID | INote,
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me?: string | mongo.ObjectID | IUser,
options?: {
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detail?: boolean;
skipHide?: boolean;
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}
) => {
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const opts = Object.assign({
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detail: true,
skipHide: false
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}, options);
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// Me
const meId: mongo.ObjectID = me
? mongo.ObjectID.prototype.isPrototypeOf(me)
? me as mongo.ObjectID
: typeof me === 'string'
? new mongo.ObjectID(me)
: (me as IUser)._id
: null;
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let _note: any;
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// Populate the note if 'note' is ID
if (mongo.ObjectID.prototype.isPrototypeOf(note)) {
_note = await Note.findOne({
_id: note
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});
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} else if (typeof note === 'string') {
_note = await Note.findOne({
_id: new mongo.ObjectID(note)
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});
} else {
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_note = deepcopy(note);
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}
// 投稿がデータベース上に見つからなかったとき
if (_note == null) {
console.warn(`note not found on database: ${note}`);
return null;
}
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const id = _note._id;
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// Rename _id to id
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_note.id = _note._id;
delete _note._id;
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delete _note._user;
delete _note._reply;
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delete _note._renote;
delete _note._files;
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if (_note.geo) delete _note.geo.type;
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// Populate user
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_note.user = packUser(_note.userId, meId);
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// Populate app
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if (_note.appId) {
_note.app = packApp(_note.appId);
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}
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// Populate files
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_note.files = Promise.all((_note.fileIds || []).map((fileId: mongo.ObjectID) =>
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packFile(fileId)
));
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// 後方互換性のため
_note.mediaIds = _note.fileIds;
_note.media = _note.files;
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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
_note.prev = null;
_note.next = null;
//#endregion
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if (_note.replyId) {
// Populate reply to note
_note.reply = pack(_note.replyId, meId, {
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detail: false
});
}
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if (_note.renoteId) {
// Populate renote
_note.renote = pack(_note.renoteId, meId, {
detail: _note.text == null
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});
}
// Poll
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if (meId && _note.poll) {
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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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});
if (vote != null) {
const myChoice = poll.choices
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.filter((c: any) => c.id == vote.choice)[0];
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myChoice.isVoted = true;
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}
return poll;
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})(_note.poll);
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}
// Fetch my reaction
if (meId) {
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_note.myReaction = (async () => {
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const reaction = await Reaction
.findOne({
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userId: meId,
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noteId: id,
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deletedAt: { $exists: false }
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});
if (reaction) {
return reaction.reaction;
}
return null;
})();
}
}
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// resolve promises in _note object
_note = await rap(_note);
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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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if (!opts.skipHide) {
await hideNote(_note, meId);
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}
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return _note;
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};