hippofish/src/models/note.ts
2019-02-17 19:38:46 +09:00

389 lines
8.8 KiB
TypeScript

import * as mongo from 'mongodb';
import * as deepcopy from 'deepcopy';
import rap from '@prezzemolo/rap';
import db, { dbLogger } from '../db/mongodb';
import isObjectId from '../misc/is-objectid';
import { length } from 'stringz';
import { IUser, pack as packUser } from './user';
import { pack as packApp } from './app';
import PollVote from './poll-vote';
import Reaction from './note-reaction';
import { packMany as packFileMany, IDriveFile } from './drive-file';
import Following from './following';
import Emoji from './emoji';
const Note = db.get<INote>('notes');
Note.createIndex('uri', { sparse: true, unique: true });
Note.createIndex('userId');
Note.createIndex('mentions');
Note.createIndex('visibleUserIds');
Note.createIndex('replyId');
Note.createIndex('tagsLower');
Note.createIndex('_user.host');
Note.createIndex('_files._id');
Note.createIndex('_files.contentType');
Note.createIndex({ createdAt: -1 });
Note.createIndex({ score: -1 }, { sparse: true });
export default Note;
export function isValidCw(text: string): boolean {
return length(text.trim()) <= 100;
}
export type INote = {
_id: mongo.ObjectID;
createdAt: Date;
deletedAt: Date;
fileIds: mongo.ObjectID[];
replyId: mongo.ObjectID;
renoteId: mongo.ObjectID;
poll: IPoll;
text: string;
tags: string[];
tagsLower: string[];
emojis: string[];
cw: string;
userId: mongo.ObjectID;
appId: mongo.ObjectID;
viaMobile: boolean;
localOnly: boolean;
renoteCount: number;
repliesCount: number;
reactionCounts: Record<string, number>;
mentions: mongo.ObjectID[];
mentionedRemoteUsers: {
uri: string;
username: string;
host: string;
}[];
/**
* public ... 公開
* 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
* followers ... フォロワーのみ
* specified ... visibleUserIds で指定したユーザーのみ
*/
visibility: 'public' | 'home' | 'followers' | 'specified';
visibleUserIds: mongo.ObjectID[];
geo: {
coordinates: number[];
altitude: number;
accuracy: number;
altitudeAccuracy: number;
heading: number;
speed: number;
};
uri: string;
/**
* 人気の投稿度合いを表すスコア
*/
score: number;
// 非正規化
_reply?: {
userId: mongo.ObjectID;
};
_renote?: {
userId: mongo.ObjectID;
};
_user: {
host: string;
inbox?: string;
};
_files?: IDriveFile[];
};
export type IPoll = {
choices: IChoice[]
};
export type IChoice = {
id: number;
text: string;
votes: number;
};
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(後方互換性のため)
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
const specified = packedNote.visibleUserIds.some((id: any) => meId.equals(id));
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 if (packedNote.reply && meId.equals(packedNote.reply.userId)) {
// 自分の投稿に対するリプライ
hide = false;
} else if (packedNote.mentions && packedNote.mentions.some((id: any) => meId.equals(id))) {
// 自分へのメンション
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.geo = null;
packedNote.isHidden = true;
}
};
export const packMany = (
notes: (string | mongo.ObjectID | INote)[],
me?: string | mongo.ObjectID | IUser,
options?: {
detail?: boolean;
skipHide?: boolean;
}
) => {
return Promise.all(notes.map(n => pack(n, me, options)));
};
/**
* Pack a note for API response
*
* @param note target
* @param me? serializee
* @param options? serialize options
* @return response
*/
export const pack = async (
note: string | mongo.ObjectID | INote,
me?: string | mongo.ObjectID | IUser,
options?: {
detail?: boolean;
skipHide?: boolean;
}
) => {
const opts = Object.assign({
detail: true,
skipHide: false
}, options);
// Me
const meId: mongo.ObjectID = me
? isObjectId(me)
? me as mongo.ObjectID
: typeof me === 'string'
? new mongo.ObjectID(me)
: (me as IUser)._id
: null;
let _note: any;
// Populate the note if 'note' is ID
if (isObjectId(note)) {
_note = await Note.findOne({
_id: note
});
} else if (typeof note === 'string') {
_note = await Note.findOne({
_id: new mongo.ObjectID(note)
});
} else {
_note = deepcopy(note);
}
// (データベースの欠損などで)投稿がデータベース上に見つからなかったとき
if (_note == null) {
dbLogger.warn(`[DAMAGED DB] (missing) pkg: note :: ${note}`);
return null;
}
const id = _note._id;
// _note._userを消す前か、_note.userを解決した後でないとホストがわからない
if (_note._user) {
const host = _note._user.host;
// 互換性のため。(古いMisskeyではNoteにemojisが無い)
if (_note.emojis == null) {
_note.emojis = Emoji.find({
host: host
}, {
fields: { _id: false }
});
} else {
_note.emojis = Emoji.find({
name: { $in: _note.emojis },
host: host
}, {
fields: { _id: false }
});
}
}
// Rename _id to id
_note.id = _note._id;
delete _note._id;
delete _note.prev;
delete _note.next;
delete _note.tagsLower;
delete _note.score;
delete _note._user;
delete _note._reply;
delete _note._renote;
delete _note._files;
delete _note._replyIds;
delete _note.mentionedRemoteUsers;
if (_note.geo) delete _note.geo.type;
// Populate user
_note.user = packUser(_note.userId, meId);
// Populate app
if (_note.appId) {
_note.app = packApp(_note.appId);
}
// Populate files
_note.files = packFileMany(_note.fileIds || []);
// Some counts
_note.renoteCount = _note.renoteCount || 0;
_note.repliesCount = _note.repliesCount || 0;
_note.reactionCounts = _note.reactionCounts || {};
// 後方互換性のため
_note.mediaIds = _note.fileIds;
_note.media = _note.files;
// When requested a detailed note data
if (opts.detail) {
if (_note.replyId) {
// Populate reply to note
_note.reply = pack(_note.replyId, meId, {
detail: false
});
}
if (_note.renoteId) {
// Populate renote
_note.renote = pack(_note.renoteId, meId, {
detail: _note.text == null
});
}
// Poll
if (meId && _note.poll) {
_note.poll = (async poll => {
const vote = await PollVote
.findOne({
userId: meId,
noteId: id
});
if (vote != null) {
const myChoice = poll.choices
.filter((c: any) => c.id == vote.choice)[0];
myChoice.isVoted = true;
}
return poll;
})(_note.poll);
}
if (meId) {
// Fetch my reaction
_note.myReaction = (async () => {
const reaction = await Reaction
.findOne({
userId: meId,
noteId: id,
deletedAt: { $exists: false }
});
if (reaction) {
return reaction.reaction;
}
return null;
})();
}
}
// resolve promises in _note object
_note = await rap(_note);
//#region (データベースの欠損などで)参照しているデータがデータベース上に見つからなかったとき
if (_note.user == null) {
dbLogger.warn(`[DAMAGED DB] (missing) pkg: note -> user :: ${_note.id} (user ${_note.userId})`);
return null;
}
if (opts.detail) {
if (_note.replyId != null && _note.reply == null) {
dbLogger.warn(`[DAMAGED DB] (missing) pkg: note -> reply :: ${_note.id} (reply ${_note.replyId})`);
return null;
}
if (_note.renoteId != null && _note.renote == null) {
dbLogger.warn(`[DAMAGED DB] (missing) pkg: note -> renote :: ${_note.id} (renote ${_note.renoteId})`);
return null;
}
}
//#endregion
if (_note.user.isCat && _note.text) {
_note.text = (_note.text
// ja-JP
.replace(/な/g, 'にゃ').replace(/ナ/g, 'ニャ').replace(/ナ/g, 'ニャ')
// ko-KR
.replace(/[나-낳]/g, (match: string) => String.fromCharCode(
match.codePointAt(0) + '냐'.charCodeAt(0) - '나'.charCodeAt(0)
))
);
}
if (!opts.skipHide) {
await hideNote(_note, meId);
}
return _note;
};