71 lines
2.2 KiB
JavaScript
71 lines
2.2 KiB
JavaScript
import {txnAsPromise} from "./utils.js";
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import {StorageError} from "../common.js";
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import Store from "./store.js";
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import SessionStore from "./stores/SessionStore.js";
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import RoomSummaryStore from "./stores/RoomSummaryStore.js";
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import TimelineEventStore from "./stores/TimelineEventStore.js";
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import RoomStateStore from "./stores/RoomStateStore.js";
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import TimelineFragmentStore from "./stores/TimelineFragmentStore.js";
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import PendingEventStore from "./stores/PendingEventStore.js";
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export default class Transaction {
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constructor(txn, allowedStoreNames) {
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this._txn = txn;
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this._allowedStoreNames = allowedStoreNames;
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this._stores = {
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session: null,
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roomSummary: null,
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roomTimeline: null,
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roomState: null,
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};
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}
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_idbStore(name) {
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if (!this._allowedStoreNames.includes(name)) {
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// more specific error? this is a bug, so maybe not ...
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throw new StorageError(`Invalid store for transaction: ${name}, only ${this._allowedStoreNames.join(", ")} are allowed.`);
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}
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return new Store(this._txn.objectStore(name));
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}
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_store(name, mapStore) {
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if (!this._stores[name]) {
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const idbStore = this._idbStore(name);
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this._stores[name] = mapStore(idbStore);
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}
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return this._stores[name];
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}
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get session() {
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return this._store("session", idbStore => new SessionStore(idbStore));
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}
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get roomSummary() {
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return this._store("roomSummary", idbStore => new RoomSummaryStore(idbStore));
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}
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get timelineFragments() {
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return this._store("timelineFragments", idbStore => new TimelineFragmentStore(idbStore));
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}
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get timelineEvents() {
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return this._store("timelineEvents", idbStore => new TimelineEventStore(idbStore));
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}
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get roomState() {
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return this._store("roomState", idbStore => new RoomStateStore(idbStore));
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}
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get pendingEvents() {
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return this._store("pendingEvents", idbStore => new PendingEventStore(idbStore));
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}
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complete() {
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return txnAsPromise(this._txn);
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}
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abort() {
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this._txn.abort();
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}
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}
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