59 lines
1.5 KiB
JavaScript
59 lines
1.5 KiB
JavaScript
import {txnAsPromise} from "./utils.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 RoomTimelineStore from "./stores/RoomTimelineStore.js";
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import RoomStateStore from "./stores/RoomStateStore.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 Error(`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 roomTimeline() {
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return this._store("roomTimeline", idbStore => new RoomTimelineStore(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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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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} |