basic session loading

src/main.js

@@ -30,12 +30,18 @@ async function main() {
 	let sessionId = getSessionId("@bruno1:localhost");
 	let loginData;
 	if (!sessionId) {
-		({sessionId, loginData} = await login("bruno1", "testtest", "http://localhost:8008"));
+		({sessionId, loginData} = await login("bruno1", "testtest", HOMESERVER));
 	}
 	const storage = await createIdbStorage(`morpheus_session_${sessionId}`);
 	console.log("database created", storage);
-	const session = new Session(loginData, storage);
+	const session = new Session(storage);
+	if (loginData) {
+		await session.setLoginData(loginData);
+	}
 	await session.load();
+	console.log("session loaded", session);
+	return;
+	const network = new Network(HOMESERVER, session.accessToken);
 	const sync = new Sync(network, session, storage);
 	await sync.start();
 

src/session.js

@@ -1,14 +1,25 @@
 export default class Session {
-	// sessionData has device_id, user_id, home_server (not access_token, that is for network)
-	constructor(sessionData, storage) {
-		this._sessionData = sessionData;
+	// loginData has device_id, user_id, home_server, access_token
+	constructor(storage) {
 		this._storage = storage;
-		this._rooms = {};
-		this._syncToken = null;
+		this._session = null;
+		this._rooms = null;
+	}
+	// should be called before load
+	async setLoginData(loginData) {
+		const txn = this._storage.readWriteTxn([this._storage.storeNames.session]);
+		const session = {loginData};
+		txn.session.set(session);
+		await txn.complete();
 	}
 
-	load() {
-		// what is the PK for a session [user_id, device_id], a uuid?
+	async load() {
+		const txn = this._storage.readTxn([this._storage.storeNames.session]);
+		this._session = await txn.session.get();
+		if (!this._session) {
+			throw new Error("session store is empty");
+		}
+		// load rooms
 	}
 
 	getRoom(roomId) {
@@ -22,7 +33,15 @@ export default class Session {
 	}
 
 	applySync(syncToken, accountData, txn) {
-		this._syncToken = syncToken;
-		txn.session.setSyncToken(syncToken);
+		this._session.syncToken = syncToken;
+		txn.session.setSession(this._session);
+	}
+
+	get syncToken() {
+		return this._session.syncToken;
+	}
+
+	get accessToken() {
+		return this._session.loginData.access_token;
 	}
 }

src/storage/idb/create.js

@@ -7,7 +7,7 @@ export default async function createIdbStorage(databaseName) {
 }
 
 function createStores(db) {
-	db.createObjectStore("sync");	//sync token 
+	db.createObjectStore("session", {keyPath: "key"});
 	// any way to make keys unique here?
 	db.createObjectStore("roomSummary", {keyPath: "room_id"});
 	const timeline = db.createObjectStore("roomTimeline", {keyPath: ["room_id", "sort_key"]});

src/storage/idb/query-target.js

@@ -1,6 +1,10 @@
-import {iterateCursor} from "./utils";
+import {iterateCursor} from "./utils.js";
 
 export default class QueryTarget {
+	constructor(target) {
+		this._target = target;
+	}
+
 	reduce(range, reducer, initialValue) {
 		return this._reduce(range, reducer, initialValue, "next");
 	}
@@ -26,7 +30,7 @@ export default class QueryTarget {
 	}
 
 	selectAll(range) {
-		const cursor = this._queryTarget().openCursor(range, direction);
+		const cursor = this._target.openCursor(range, direction);
 		const results = [];
 		return iterateCursor(cursor, (value) => {
 			results.push(value);
@@ -52,7 +56,7 @@ export default class QueryTarget {
 
 	_reduce(range, reducer, initialValue, direction) {
 		let reducedValue = initialValue;
-		const cursor = this._queryTarget().openCursor(range, direction);
+		const cursor = this._target.openCursor(range, direction);
 		return iterateCursor(cursor, (value) => {
 			reducedValue = reducer(reducedValue, value);
 			return true;
@@ -66,7 +70,7 @@ export default class QueryTarget {
 	}
 
 	_selectWhile(range, predicate, direction) {
-		const cursor = this._queryTarget().openCursor(range, direction);
+		const cursor = this._target.openCursor(range, direction);
 		const results = [];
 		return iterateCursor(cursor, (value) => {
 			results.push(value);
@@ -75,20 +79,17 @@ export default class QueryTarget {
 	}
 
 	async _find(range, predicate, direction) {
-		const cursor = this._queryTarget().openCursor(range, direction);
+		const cursor = this._target.openCursor(range, direction);
 		let result;
 		const found = await iterateCursor(cursor, (value) => {
-			if (predicate(value)) {
+			const found = predicate(value);
+			if (found) {
 				result = value;
 			}
+			return found;
 		});
-		if (!found) {
-			throw new Error("not found");
+		if (found) {
+			return result;
 		}
-		return result;
-	}
-
-	_queryTarget() {
-		throw new Error("override this");
 	}
 }

src/storage/idb/storage.js

@@ -1,3 +1,5 @@
+import Transaction from "./transaction.js";
+
 export const STORE_NAMES = ["session", "roomState", "roomSummary", "roomTimeline"];
 
 export default class Storage {
@@ -17,13 +19,13 @@ export default class Storage {
 		}
 	}
 
-	startReadOnlyTxn(storeNames) {
+	readTxn(storeNames) {
 		this._validateStoreNames(storeNames);
 		const txn = this._db.transaction(storeNames, "readonly");
 		return new Transaction(txn, storeNames);
 	}
 
-	startReadWriteTxn(storeNames) {
+	readWriteTxn(storeNames) {
 		this._validateStoreNames(storeNames);
 		const txn = this._db.transaction(storeNames, "readwrite");
 		return new Transaction(txn, storeNames);

src/storage/idb/store-index.js

@@ -1,11 +0,0 @@
-import QueryTarget from "./query-target.js";
-
-export default class StoreIndex extends QueryTarget {
-	constructor(index) {
-		this._index = index;
-	}
-
-	_queryTarget() {
-		return this._index;
-	}
-}

src/storage/idb/store.js

@@ -1,16 +1,24 @@
 import QueryTarget from "./query-target.js";
-import StoreIndex from "./store-index.js";
+import { reqAsPromise } from "./utils.js";
 
 export default class Store extends QueryTarget {
 	constructor(store) {
-		this._store = store;
+		super(store);
 	}
 
-	_queryTarget() {
-		return this._store;
+	get _store() {
+		return this._target;
 	}
 
 	index(indexName) {
-		return new StoreIndex(this._store.index(indexName));
+		return new QueryTarget(this._store.index(indexName));
+	}
+
+	put(value) {
+		return reqAsPromise(this._store.put(value));
+	}
+
+	add(value) {
+		return reqAsPromise(this._store.add(value));
 	}
 }

src/storage/idb/stores/session.js

@@ -14,59 +14,19 @@ store contains:
 	avatarUrl
 	lastSynced
 */
-class SessionStore {
-
+export default class SessionStore {
 	constructor(sessionStore) {
 		this._sessionStore = sessionStore;
 	}
 
-	readSession() {
-		return this._session;
+	async get() {
+		const session = await this._sessionStore.selectFirst(IDBKeyRange.only(1));
+		if (session) {
+			return session.value;
+		}
 	}
 
-	writeSession(session) {
-
-	}
-
-	// or dedicated set sync_token method?
-	async setAvatar(avatar) {
-
-	}
-
-	async setDisplayName(displayName) {
-
-	}
-
-
-	getSyncStatus() {
-		return this._db.store("sync").selectFirst();
-	}
-
-	setSyncStatus(syncToken, lastSynced) {
-		return this._db.store("sync").updateFirst({sync_token: syncToken, last_synced: lastSynced});
-		// return updateSingletonStore(this._db, "sync", {sync_token: syncToken, last_synced: lastSynced});
-	}
-
-	setAccessToken(accessToken) {
-	}
-
-	async addRoom(room) {
-
-	}
-
-	async removeRoom(roomId) {
-
-	}
-
-	async getRoomStores() {
-
-	}
-
-	async getRoomStore(roomId) {
-
-	}
-
-	async startSyncTransaction() {
-		return this._db.startSyncTxn();
+	set(session) {
+		return this._sessionStore.put({key: 1, value: session});
 	}
 }

src/storage/idb/stores/timeline.js

@@ -1,5 +1,4 @@
-import GapSortKey from "./gapsortkey";
-import {select} from "./utils";
+import SortKey from "../../sortkey.js";
 
 class TimelineStore {
 	constructor(timelineStore) {

src/storage/idb/transaction.js

@@ -1,6 +1,7 @@
-import {txnAsPromise} from "./utils";
+import {txnAsPromise} from "./utils.js";
 import Store from "./store.js";
-import TimelineStore from "./stores/timeline.js";
+// import TimelineStore from "./stores/timeline.js";
+import SessionStore from "./stores/session.js";
 
 export default class Transaction {
 	constructor(txn, allowedStoreNames) {
@@ -19,15 +20,23 @@ export default class Transaction {
 			// more specific error? this is a bug, so maybe not ...
 			throw new Error(`Invalid store for transaction: ${name}, only ${this._allowedStoreNames.join(", ")} are allowed.`);
 		}
-		return new Store(this._txn.getObjectStore(name));
+		return new Store(this._txn.objectStore(name));
 	}
 
-	get roomTimeline() {
-		if (!this._stores.roomTimeline) {
-			const idbStore = this._idbStore("roomTimeline");
-			this._stores.roomTimeline = new TimelineStore(idbStore);
+	_store(name, mapStore) {
+		if (!this._stores[name]) {
+			const idbStore = this._idbStore(name);
+			this._stores[name] = mapStore(idbStore);
 		}
-		return this._stores.roomTimeline;
+		return this._stores[name];
+	}
+
+	// get roomTimeline() {
+	// 	return this._store("roomTimeline", idbStore => new TimelineStore(idbStore));
+	// }
+
+	get session() {
+		return this._store("session", idbStore => new SessionStore(idbStore));
 	}
 
 	complete() {