503 lines
17 KiB
JavaScript
503 lines
17 KiB
JavaScript
import readNote from "../../../services/note/read.js";
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import { Users, Followings, Mutings, RenoteMutings, UserProfiles, ChannelFollowings, Blockings, CallBlockings, UserListJoinings, UserGroupJoinings, UserGroups } from "../../../models/index.js";
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import { publishMainStream, publishChannelStream, publishGroupMessagingStream, publishMessagingStream } from "../../../services/stream.js";
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import { readNotification } from "../common/read-notification.js";
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import channels from "./channels/index.js";
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/**
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* Main stream connection
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*/ export default class Connection {
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user;
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userProfile;
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following = new Set();
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muting = new Set();
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renoteMuting = new Set();
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blocking = new Set();
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hidden = new Set();
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followingChannels = new Set();
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token;
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wsConnection;
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subscriber;
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channels = [];
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subscribingNotes = new Map();
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cachedNotes = [];
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host;
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accessToken;
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currentSubscribe = [];
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constructor(wsConnection, subscriber, user, token, host, accessToken, prepareStream){
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this.wsConnection = wsConnection;
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this.subscriber = subscriber;
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if (user) this.user = user;
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if (token) this.token = token;
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if (host) this.host = host;
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if (accessToken) this.accessToken = accessToken;
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this.onWsConnectionMessage = this.onWsConnectionMessage.bind(this);
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this.onUserEvent = this.onUserEvent.bind(this);
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this.onNoteStreamMessage = this.onNoteStreamMessage.bind(this);
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this.onBroadcastMessage = this.onBroadcastMessage.bind(this);
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this.wsConnection.on("message", this.onWsConnectionMessage);
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this.subscriber.on("broadcast", (data)=>{
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this.onBroadcastMessage(data);
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});
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if (this.user) {
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this.updateFollowing();
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this.updateMuting();
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this.updateRenoteMuting();
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this.updateBlocking();
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this.updateHidden();
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this.updateFollowingChannels();
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this.updateUserProfile();
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this.subscriber.on(`user:${this.user.id}`, this.onUserEvent);
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}
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if (prepareStream) {
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this.onWsConnectionMessage({
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type: "utf8",
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utf8Data: JSON.stringify({
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stream: prepareStream,
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type: "subscribe"
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})
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});
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}
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}
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onUserEvent(data) {
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// { type, body }と展開するとそれぞれ型が分離してしまう
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switch(data.type){
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case "follow":
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this.following.add(data.body.id);
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break;
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case "unfollow":
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this.following.delete(data.body.id);
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break;
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case "mute":
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this.muting.add(data.body.id);
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break;
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case "unmute":
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this.muting.delete(data.body.id);
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break;
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// TODO: renote mute events
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// TODO: block events
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case "followChannel":
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this.followingChannels.add(data.body.id);
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break;
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case "unfollowChannel":
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this.followingChannels.delete(data.body.id);
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break;
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case "userHidden":
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this.hidden.add(data.body);
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break;
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case "userUnhidden":
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this.hidden.delete(data.body);
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break;
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case "updateUserProfile":
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this.userProfile = data.body;
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break;
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case "terminate":
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this.wsConnection.close();
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this.dispose();
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break;
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default:
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break;
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}
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}
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/**
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* クライアントからメッセージ受信時
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*/ async onWsConnectionMessage(data) {
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if (data.type !== "utf8") return;
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if (data.utf8Data == null) return;
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let objs;
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try {
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objs = [
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JSON.parse(data.utf8Data)
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];
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} catch (e) {
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return;
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}
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for (const obj of objs){
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const { type, body } = obj;
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// console.log(type, body);
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switch(type){
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case "readNotification":
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this.onReadNotification(body);
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break;
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case "subNote":
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this.onSubscribeNote(body);
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break;
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case "s":
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this.onSubscribeNote(body);
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break; // alias
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case "sr":
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this.onSubscribeNote(body);
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this.readNote(body);
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break;
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case "unsubNote":
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this.onUnsubscribeNote(body);
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break;
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case "un":
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this.onUnsubscribeNote(body);
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break; // alias
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case "connect":
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this.onChannelConnectRequested(body);
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break;
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case "disconnect":
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this.onChannelDisconnectRequested(body);
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break;
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case "channel":
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this.onChannelMessageRequested(body);
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break;
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case "ch":
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this.onChannelMessageRequested(body);
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break; // alias
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// 個々のチャンネルではなくルートレベルでこれらのメッセージを受け取る理由は、
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// クライアントの事情を考慮したとき、入力フォームはノートチャンネルやメッセージのメインコンポーネントとは別
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// なこともあるため、それらのコンポーネントがそれぞれ各チャンネルに接続するようにするのは面倒なため。
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case "typingOnChannel":
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this.typingOnChannel(body.channel);
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break;
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case "typingOnMessaging":
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this.typingOnMessaging(body);
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break;
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case "callSignal":
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this.callSignal(body);
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break;
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}
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}
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}
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onBroadcastMessage(data) {
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this.sendMessageToWs(data.type, data.body);
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}
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cacheNote(note) {
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const add = (note)=>{
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const existIndex = this.cachedNotes.findIndex((n)=>n.id === note.id);
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if (existIndex > -1) {
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this.cachedNotes[existIndex] = note;
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return;
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}
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this.cachedNotes.unshift(note);
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if (this.cachedNotes.length > 32) {
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this.cachedNotes.splice(32);
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}
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};
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add(note);
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if (note.reply) add(note.reply);
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if (note.renote) add(note.renote);
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}
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readNote(body) {
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const id = body.id;
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const note = this.cachedNotes.find((n)=>n.id === id);
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if (note == null) return;
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if (this.user && note.userId !== this.user.id) {
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readNote(this.user.id, [
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note
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], {
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following: this.following,
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followingChannels: this.followingChannels
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});
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}
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}
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onReadNotification(payload) {
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if (!payload.id) return;
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readNotification(this.user.id, [
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payload.id
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]);
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}
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/**
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* 投稿購読要求時
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*/ onSubscribeNote(payload) {
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if (!payload.id) return;
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const current = this.subscribingNotes.get(payload.id) || 0;
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this.subscribingNotes.set(payload.id, current + 1);
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if (!current) {
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this.subscriber.on(`noteStream:${payload.id}`, this.onNoteStreamMessage);
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}
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}
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/**
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* 投稿購読解除要求時
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*/ onUnsubscribeNote(payload) {
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if (!payload.id) return;
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const current = this.subscribingNotes.get(payload.id) || 0;
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if (current <= 1) {
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this.subscribingNotes.delete(payload.id);
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this.subscriber.off(`noteStream:${payload.id}`, this.onNoteStreamMessage);
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return;
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}
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this.subscribingNotes.set(payload.id, current - 1);
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}
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async onNoteStreamMessage(data) {
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this.sendMessageToWs("noteUpdated", {
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id: data.body.id,
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type: data.type,
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body: data.body.body
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});
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}
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/**
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* チャンネル接続要求時
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*/ onChannelConnectRequested(payload) {
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const { channel, id, params, pong } = payload;
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this.connectChannel(id, params, channel, pong);
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}
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/**
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* チャンネル切断要求時
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*/ onChannelDisconnectRequested(payload) {
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const { id } = payload;
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this.disconnectChannel(id);
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}
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/**
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* クライアントにメッセージ送信
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*/ sendMessageToWs(type, payload) {
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this.wsConnection.send(JSON.stringify({
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type: type,
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body: payload
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}));
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}
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/**
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* チャンネルに接続
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*/ connectChannel(id, params, channel, pong = false) {
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if (channels[channel].requireCredential && this.user == null) {
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return;
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}
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// 共有可能チャンネルに接続しようとしていて、かつそのチャンネルに既に接続していたら無意味なので無視
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if (channels[channel].shouldShare && this.channels.some((c)=>c.chName === channel)) {
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return;
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}
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const ch = new channels[channel](id, this);
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this.channels.push(ch);
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ch.init(params);
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if (pong) {
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this.sendMessageToWs("connected", {
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id: id
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});
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}
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}
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/**
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* チャンネルから切断
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* @param id チャンネルコネクションID
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*/ disconnectChannel(id) {
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const channel = this.channels.find((c)=>c.id === id);
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if (channel) {
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if (channel.dispose) channel.dispose();
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this.channels = this.channels.filter((c)=>c.id !== id);
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}
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}
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/**
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* チャンネルへメッセージ送信要求時
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* @param data メッセージ
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*/ onChannelMessageRequested(data) {
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const channel = this.channels.find((c)=>c.id === data.id);
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if (channel?.onMessage != null) {
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channel.onMessage(data.type, data.body);
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}
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}
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typingOnChannel(channel) {
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if (this.user) {
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publishChannelStream(channel, "typing", this.user.id);
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}
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}
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typingOnMessaging(param) {
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if (this.user) {
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if (param.partner) {
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publishMessagingStream(param.partner, this.user.id, "typing", this.user.id);
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} else if (param.group) {
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publishGroupMessagingStream(param.group, "typing", this.user.id);
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}
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}
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}
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async callSignal(body) {
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if (!this.user || !body.sessionId) return;
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const recipients = new Set();
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let recipientGroupId = null;
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const target = typeof body.to === "string" ? body.to.trim() : "";
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if (body.toUserId) {
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const user = await Users.findOneBy({
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id: body.toUserId,
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host: null
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});
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if (user && user.id !== this.user.id) recipients.add(user.id);
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} else if (target === "") {
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if (body.signal?.type !== "offer") return;
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const users = await Users.createQueryBuilder("user").select([
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"user.id"
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]).where("user.host IS NULL").andWhere("user.id != :meId", {
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meId: this.user.id
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}).andWhere("user.isSuspended = FALSE").andWhere("user.isDeleted = FALSE").getMany();
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for (const user of users)recipients.add(user.id);
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} else if (target.startsWith("@@")) {
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const group = await UserGroups.findOneBy({
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username: target.slice(2).toLowerCase(),
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allowCalls: true
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});
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if (!group) return;
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recipientGroupId = group.id;
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const joinings = await UserGroupJoinings.findBy({
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userGroupId: group.id
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});
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if (group.userId !== this.user.id) recipients.add(group.userId);
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for (const joining of joinings){
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if (joining.userId !== this.user.id) recipients.add(joining.userId);
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}
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} else if (target.startsWith("@")) {
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const username = target.slice(1).split("@")[0].toLowerCase();
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const user = await Users.findOneBy({
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usernameLower: username,
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host: null
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});
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const profile = user ? await UserProfiles.findOneBy({
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userId: user.id,
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allowCalls: true
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}) : null;
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if (user && profile && user.id !== this.user.id) recipients.add(user.id);
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} else {
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const group = await UserGroups.findOneBy({
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username: target.toLowerCase(),
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allowCalls: true
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});
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if (!group) return;
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recipientGroupId = group.id;
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const isMember = group.userId === this.user.id || await UserGroupJoinings.exist({
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where: {
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userGroupId: group.id,
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userId: this.user.id
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}
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});
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if (!isMember) return;
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const joinings = await UserGroupJoinings.findBy({
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userGroupId: group.id
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});
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if (group.userId !== this.user.id) recipients.add(group.userId);
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for (const joining of joinings){
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if (joining.userId !== this.user.id) recipients.add(joining.userId);
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}
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}
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if (recipientGroupId != null) {
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const groupCallBlocked = await CallBlockings.exist({
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where: {
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groupId: recipientGroupId,
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blockeeId: this.user.id
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}
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});
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if (groupCallBlocked) return;
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}
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for (const recipient of recipients){
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if (await this.isCallRecipientBlocked(recipient)) continue;
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publishMainStream(recipient, "callSignal", {
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fromUserId: this.user.id,
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to: target,
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sessionId: body.sessionId,
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kind: body.kind,
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signal: body.signal
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});
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}
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}
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async isCallRecipientBlocked(recipient) {
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const normalBlocked = await Blockings.exist({
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where: [
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{
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blockerId: recipient,
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blockeeId: this.user.id,
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groupId: null
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},
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{
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blockerId: this.user.id,
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blockeeId: recipient,
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groupId: null
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}
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]
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});
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if (normalBlocked) return true;
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return await CallBlockings.exist({
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where: [
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{
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blockerId: recipient,
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blockeeId: this.user.id,
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groupId: null
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},
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{
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blockerId: this.user.id,
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blockeeId: recipient,
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groupId: null
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}
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]
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});
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}
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async updateFollowing() {
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const followings = await Followings.find({
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where: {
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followerId: this.user.id
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},
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select: [
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"followeeId"
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]
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});
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this.following = new Set(followings.map((x)=>x.followeeId));
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}
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async updateMuting() {
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const mutings = await Mutings.find({
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where: {
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muterId: this.user.id
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},
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select: [
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"muteeId"
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]
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});
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this.muting = new Set(mutings.map((x)=>x.muteeId));
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}
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async updateRenoteMuting() {
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const renoteMutings = await RenoteMutings.find({
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where: {
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muterId: this.user.id
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},
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select: [
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"muteeId"
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]
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});
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this.renoteMuting = new Set(renoteMutings.map((x)=>x.muteeId));
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}
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async updateBlocking() {
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// ここでいうBlockingは被Blockingの意
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const blockings = await Blockings.find({
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where: {
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blockeeId: this.user.id
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},
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select: [
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"blockerId"
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]
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});
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this.blocking = new Set(blockings.map((x)=>x.blockerId));
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}
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async updateHidden() {
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const hidden = await UserListJoinings.find({
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where: {
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userList: {
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userId: this.user.id,
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hideFromHomeTl: true
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}
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},
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select: [
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"userId"
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]
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});
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this.hidden = new Set(hidden.map((x)=>x.userId));
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}
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async updateFollowingChannels() {
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const followings = await ChannelFollowings.find({
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where: {
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followerId: this.user.id
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},
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select: [
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"followeeId"
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]
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});
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this.followingChannels = new Set(followings.map((x)=>x.followeeId));
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}
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async updateUserProfile() {
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this.userProfile = await UserProfiles.findOneBy({
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userId: this.user.id
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});
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}
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/**
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* ストリームが切れたとき
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*/ dispose() {
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for (const c of this.channels.filter((c)=>c.dispose)){
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if (c.dispose) c.dispose();
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}
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}
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}
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