mystiq/hydrogen-web
Archived
4
1
Fork 1
Code Issues Pull requests Packages Projects Releases Wiki Activity

store sync token and filter id under the same key in session

Browse source 
as they are updated together
This commit is contained in:
Bruno Windels 2020-08-27 14:36:50 +02:00
parent 14b27f81fe
commit 09a018ade1
2 changed files with 21 additions and 33 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

48
src/matrix/Session.js
View file

@ -24,8 +24,7 @@ export class Session {
constructor({storage, hsApi, sessionInfo}) {
this._storage = storage;
this._hsApi = hsApi;
this._syncToken = null;
this._syncFilterId = null;
this._syncInfo = null;
this._sessionInfo = sessionInfo;
this._rooms = new ObservableMap();
this._sendScheduler = new SendScheduler({hsApi, backoff: new RateLimitingBackoff()});
@ -43,12 +42,7 @@ export class Session {
this._storage.storeNames.pendingEvents,
]);
// restore session object
const [syncToken, syncFilterId] = await Promise.all([
txn.session.get("syncToken"),
txn.session.get("syncFilterId")
]);
this._syncToken = syncToken;
this._syncFilterId = syncFilterId;
this._syncInfo = await txn.session.get("sync");
const pendingEventsByRoomId = await this._getPendingEventsByRoom(txn);
// load rooms
const rooms = await txn.roomSummary.getAll();
@ -115,28 +109,27 @@ export class Session {
}
writeSync(syncToken, syncFilterId, accountData, txn) {
if (syncToken !== this._syncToken) {
if (syncToken !== this.syncToken) {
const syncInfo = {token: syncToken, filterId: syncFilterId};
// don't modify `this` because transaction might still fail
txn.session.set("syncToken", syncToken);
txn.session.set("syncFilterId", syncFilterId);
return {syncToken, syncFilterId};
txn.session.set("sync", syncInfo);
return syncInfo;
}
}
afterSync(changes) {
if (changes) {
afterSync(syncInfo) {
if (syncInfo) {
// sync transaction succeeded, modify object state now
this._syncToken = changes.syncToken;
this._syncFilterId = changes.syncFilterId;
this._syncInfo = syncInfo;
}
}
get syncToken() {
return this._syncToken;
return this._syncInfo?.token;
}
get syncFilterId() {
return this._syncFilterId;
return this._syncInfo?.filterId;
}
get user() {
@ -173,28 +166,23 @@ export function tests() {
return {
"session data is not modified until after sync": async (assert) => {
const session = new Session({storage: createStorageMock({
syncToken: "a",
syncFilterId: 5,
sync: {token: "a", filterId: 5}
}), sessionInfo: {userId: ""}});
await session.load();
let syncTokenSet = false;
let syncFilterIdSet = false;
let syncSet = false;
const syncTxn = {
session: {
set(key, value) {
if (key === "syncToken") {
assert.equal(value, "b");
syncTokenSet = true;
} else if (key === "syncFilterId") {
assert.equal(value, 6);
syncFilterIdSet = true;
if (key === "sync") {
assert.equal(value.token, "b");
assert.equal(value.filterId, 6);
syncSet = true;
}
}
}
};
const newSessionData = session.writeSync("b", 6, {}, syncTxn);
assert(syncTokenSet);
assert(syncFilterIdSet);
assert(syncSet);
assert.equal(session.syncToken, "a");
assert.equal(session.syncFilterId, 5);
session.afterSync(newSessionData);

6
src/matrix/storage/idb/schema.js
View file

@ -54,10 +54,10 @@ async function migrateSession(db, txn) {
const entry = await reqAsPromise(session.get(PRE_MIGRATION_KEY));
if (entry) {
session.delete(PRE_MIGRATION_KEY);
const {syncToken, syncFilterId, serverVersions} = entry.value;
const store = new SessionStore(session);
for (const [key, value] of Object.entries(entry.value)) {
store.set(key, value);
}
store.set("sync", {token: syncToken, filterId: syncFilterId});
store.set("serverVersions", serverVersions);
}
} catch (err) {
txn.abort();