87 lines
2.7 KiB
JavaScript
87 lines
2.7 KiB
JavaScript
/*
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Copyright 2020 Bruno Windels <bruno@windels.cloud>
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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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 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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