130 lines
3.4 KiB
TypeScript
130 lines
3.4 KiB
TypeScript
import config from '../../config';
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import * as mongo from 'mongodb';
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import User, { isLocalUser, isRemoteUser, ILocalUser, IUser } from '../../models/user';
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import Note, { packMany } from '../../models/note';
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import Following from '../../models/following';
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import renderAdd from '../../remote/activitypub/renderer/add';
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import renderRemove from '../../remote/activitypub/renderer/remove';
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import packAp from '../../remote/activitypub/renderer';
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import { deliver } from '../../queue';
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/**
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* 指定した投稿をピン留めします
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* @param user
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* @param noteId
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*/
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export async function addPinned(user: IUser, noteId: mongo.ObjectID) {
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// Fetch pinee
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const note = await Note.findOne({
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_id: noteId,
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userId: user._id
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});
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if (note === null) {
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throw new Error('note not found');
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}
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let pinnedNoteIds = user.pinnedNoteIds || [];
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//#region 現在ピン留め投稿している投稿が実際にデータベースに存在しているのかチェック
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// データベースの欠損などで存在していない(または破損している)場合があるので。
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// 存在していなかったらピン留め投稿から外す
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const pinnedNotes = await packMany(pinnedNoteIds, null, { detail: true });
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pinnedNoteIds = pinnedNoteIds.filter(id => pinnedNotes.some(n => n.id.toString() === id.toHexString()));
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//#endregion
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if (pinnedNoteIds.length >= 5) {
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throw new Error('cannot pin more notes');
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}
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if (pinnedNoteIds.some(id => id.equals(note._id))) {
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throw new Error('already exists');
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}
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pinnedNoteIds.unshift(note._id);
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await User.update(user._id, {
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$set: {
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pinnedNoteIds: pinnedNoteIds
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}
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});
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// Deliver to remote followers
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if (isLocalUser(user)) {
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deliverPinnedChange(user._id, note._id, true);
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}
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}
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/**
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* 指定した投稿のピン留めを解除します
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* @param user
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* @param noteId
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*/
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export async function removePinned(user: IUser, noteId: mongo.ObjectID) {
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// Fetch unpinee
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const note = await Note.findOne({
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_id: noteId,
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userId: user._id
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});
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if (note === null) {
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throw new Error('note not found');
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}
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const pinnedNoteIds = (user.pinnedNoteIds || []).filter(id => !id.equals(note._id));
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await User.update(user._id, {
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$set: {
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pinnedNoteIds: pinnedNoteIds
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}
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});
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// Deliver to remote followers
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if (isLocalUser(user)) {
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deliverPinnedChange(user._id, noteId, false);
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}
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}
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export async function deliverPinnedChange(userId: mongo.ObjectID, noteId: mongo.ObjectID, isAddition: boolean) {
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const user = await User.findOne({
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_id: userId
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});
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if (!isLocalUser(user)) return;
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const queue = await CreateRemoteInboxes(user);
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if (queue.length < 1) return;
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const target = `${config.url}/users/${user._id}/collections/featured`;
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const item = `${config.url}/notes/${noteId}`;
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const content = packAp(isAddition ? renderAdd(user, target, item) : renderRemove(user, target, item));
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queue.forEach(inbox => {
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deliver(user, content, inbox);
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});
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}
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/**
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* ローカルユーザーのリモートフォロワーのinboxリストを作成する
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* @param user ローカルユーザー
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*/
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async function CreateRemoteInboxes(user: ILocalUser): Promise<string[]> {
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const followers = await Following.find({
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followeeId: user._id
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});
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const queue: string[] = [];
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for (const following of followers) {
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const follower = following._follower;
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if (isRemoteUser(follower)) {
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const inbox = follower.sharedInbox || follower.inbox;
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if (!queue.includes(inbox)) queue.push(inbox);
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}
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}
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return queue;
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}
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