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This commit is contained in:
Bruno Windels
parent
e3328f0fef
commit
10457611f9
@ -3,59 +3,59 @@ import { ObservableMap } from "../observable/index.js";
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export default class Session {
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// sessionInfo contains deviceId, userId and homeServer
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constructor({storage, hsApi, sessionInfo}) {
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this._storage = storage;
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constructor({storage, hsApi, sessionInfo}) {
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this._storage = storage;
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this._hsApi = hsApi;
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this._session = null;
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this._session = null;
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this._sessionInfo = sessionInfo;
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this._rooms = new ObservableMap();
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this._rooms = new ObservableMap();
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this._roomUpdateCallback = (room, params) => this._rooms.update(room.id, params);
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}
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}
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async load() {
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const txn = await this._storage.readTxn([
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this._storage.storeNames.session,
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this._storage.storeNames.roomSummary,
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this._storage.storeNames.roomState,
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this._storage.storeNames.roomTimeline,
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]);
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// restore session object
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this._session = await txn.session.get();
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if (!this._session) {
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async load() {
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const txn = await this._storage.readTxn([
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this._storage.storeNames.session,
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this._storage.storeNames.roomSummary,
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this._storage.storeNames.roomState,
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this._storage.storeNames.timelineEvents,
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]);
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// restore session object
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this._session = await txn.session.get();
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if (!this._session) {
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this._session = {};
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return;
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}
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// load rooms
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const rooms = await txn.roomSummary.getAll();
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await Promise.all(rooms.map(summary => {
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const room = this.createRoom(summary.roomId);
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return room.load(summary, txn);
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}));
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}
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return;
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}
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// load rooms
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const rooms = await txn.roomSummary.getAll();
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await Promise.all(rooms.map(summary => {
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const room = this.createRoom(summary.roomId);
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return room.load(summary, txn);
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}));
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}
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get rooms() {
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return this._rooms;
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}
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createRoom(roomId) {
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const room = new Room({
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createRoom(roomId) {
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const room = new Room({
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roomId,
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storage: this._storage,
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emitCollectionChange: this._roomUpdateCallback,
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hsApi: this._hsApi,
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});
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this._rooms.add(roomId, room);
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return room;
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}
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this._rooms.add(roomId, room);
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return room;
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}
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persistSync(syncToken, accountData, txn) {
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if (syncToken !== this._session.syncToken) {
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this._session.syncToken = syncToken;
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txn.session.set(this._session);
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}
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}
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persistSync(syncToken, accountData, txn) {
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if (syncToken !== this._session.syncToken) {
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this._session.syncToken = syncToken;
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txn.session.set(this._session);
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}
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}
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get syncToken() {
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return this._session.syncToken;
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}
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get syncToken() {
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return this._session.syncToken;
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}
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}
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@ -1,7 +1,7 @@
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import {
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RequestAbortError,
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HomeServerError,
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StorageError
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RequestAbortError,
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HomeServerError,
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StorageError
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} from "./error.js";
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import EventEmitter from "../EventEmitter.js";
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@ -9,119 +9,119 @@ const INCREMENTAL_TIMEOUT = 30000;
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const SYNC_EVENT_LIMIT = 10;
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function parseRooms(roomsSection, roomCallback) {
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if (!roomsSection) {
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return;
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}
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const allMemberships = ["join", "invite", "leave"];
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for(const membership of allMemberships) {
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const membershipSection = roomsSection[membership];
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if (membershipSection) {
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const rooms = Object.entries(membershipSection)
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for (const [roomId, roomResponse] of rooms) {
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roomCallback(roomId, roomResponse, membership);
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}
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}
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}
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if (!roomsSection) {
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return;
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}
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const allMemberships = ["join", "invite", "leave"];
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for(const membership of allMemberships) {
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const membershipSection = roomsSection[membership];
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if (membershipSection) {
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const rooms = Object.entries(membershipSection)
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for (const [roomId, roomResponse] of rooms) {
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roomCallback(roomId, roomResponse, membership);
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}
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}
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}
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}
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export default class Sync extends EventEmitter {
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constructor(hsApi, session, storage) {
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super();
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this._hsApi = hsApi;
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this._session = session;
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this._storage = storage;
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this._isSyncing = false;
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this._currentRequest = null;
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}
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// returns when initial sync is done
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async start() {
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if (this._isSyncing) {
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return;
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}
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this._isSyncing = true;
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let syncToken = this._session.syncToken;
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// do initial sync if needed
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if (!syncToken) {
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// need to create limit filter here
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syncToken = await this._syncRequest();
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}
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this._syncLoop(syncToken);
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}
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constructor(hsApi, session, storage) {
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super();
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this._hsApi = hsApi;
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this._session = session;
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this._storage = storage;
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this._isSyncing = false;
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this._currentRequest = null;
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}
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// returns when initial sync is done
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async start() {
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if (this._isSyncing) {
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return;
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}
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this._isSyncing = true;
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let syncToken = this._session.syncToken;
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// do initial sync if needed
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if (!syncToken) {
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// need to create limit filter here
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syncToken = await this._syncRequest();
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}
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this._syncLoop(syncToken);
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}
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async _syncLoop(syncToken) {
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// if syncToken is falsy, it will first do an initial sync ...
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while(this._isSyncing) {
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try {
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console.log(`starting sync request with since ${syncToken} ...`);
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syncToken = await this._syncRequest(syncToken, INCREMENTAL_TIMEOUT);
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} catch (err) {
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this._isSyncing = false;
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if (!(err instanceof RequestAbortError)) {
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console.warn("stopping sync because of error");
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this.emit("error", err);
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}
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}
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}
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this.emit("stopped");
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}
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async _syncLoop(syncToken) {
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// if syncToken is falsy, it will first do an initial sync ...
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while(this._isSyncing) {
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try {
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console.log(`starting sync request with since ${syncToken} ...`);
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syncToken = await this._syncRequest(syncToken, INCREMENTAL_TIMEOUT);
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} catch (err) {
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this._isSyncing = false;
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if (!(err instanceof RequestAbortError)) {
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console.warn("stopping sync because of error");
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this.emit("error", err);
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}
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}
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}
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this.emit("stopped");
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}
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async _syncRequest(syncToken, timeout) {
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this._currentRequest = this._hsApi.sync(syncToken, undefined, timeout);
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const response = await this._currentRequest.response();
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syncToken = response.next_batch;
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const storeNames = this._storage.storeNames;
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const syncTxn = await this._storage.readWriteTxn([
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storeNames.session,
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storeNames.roomSummary,
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storeNames.roomTimeline,
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storeNames.roomState,
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]);
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async _syncRequest(syncToken, timeout) {
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this._currentRequest = this._hsApi.sync(syncToken, undefined, timeout);
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const response = await this._currentRequest.response();
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syncToken = response.next_batch;
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const storeNames = this._storage.storeNames;
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const syncTxn = await this._storage.readWriteTxn([
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storeNames.session,
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storeNames.roomSummary,
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storeNames.timelineEvents,
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storeNames.roomState,
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]);
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const roomChanges = [];
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try {
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this._session.persistSync(syncToken, response.account_data, syncTxn);
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// to_device
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// presence
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if (response.rooms) {
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parseRooms(response.rooms, (roomId, roomResponse, membership) => {
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let room = this._session.rooms.get(roomId);
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if (!room) {
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room = this._session.createRoom(roomId);
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}
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console.log(` * applying sync response to room ${roomId} ...`);
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const changes = room.persistSync(roomResponse, membership, syncTxn);
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if (response.rooms) {
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parseRooms(response.rooms, (roomId, roomResponse, membership) => {
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let room = this._session.rooms.get(roomId);
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if (!room) {
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room = this._session.createRoom(roomId);
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}
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console.log(` * applying sync response to room ${roomId} ...`);
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const changes = room.persistSync(roomResponse, membership, syncTxn);
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roomChanges.push({room, changes});
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});
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}
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} catch(err) {
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console.warn("aborting syncTxn because of error");
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// avoid corrupting state by only
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// storing the sync up till the point
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// the exception occurred
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syncTxn.abort();
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throw err;
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}
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try {
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await syncTxn.complete();
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console.info("syncTxn committed!!");
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} catch (err) {
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throw new StorageError("unable to commit sync tranaction", err);
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}
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});
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}
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} catch(err) {
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console.warn("aborting syncTxn because of error");
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// avoid corrupting state by only
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// storing the sync up till the point
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// the exception occurred
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syncTxn.abort();
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throw err;
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}
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try {
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await syncTxn.complete();
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console.info("syncTxn committed!!");
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} catch (err) {
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throw new StorageError("unable to commit sync tranaction", err);
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}
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// emit room related events after txn has been closed
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for(let {room, changes} of roomChanges) {
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room.emitSync(changes);
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}
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return syncToken;
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}
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return syncToken;
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}
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stop() {
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if (!this._isSyncing) {
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return;
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}
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this._isSyncing = false;
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if (this._currentRequest) {
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this._currentRequest.abort();
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this._currentRequest = null;
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}
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}
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stop() {
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if (!this._isSyncing) {
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return;
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}
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this._isSyncing = false;
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if (this._currentRequest) {
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this._currentRequest.abort();
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this._currentRequest = null;
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}
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}
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}
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