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add relations store
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@ -333,6 +333,7 @@ export class Sync {
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storeNames.roomState,
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storeNames.roomMembers,
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storeNames.timelineEvents,
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storeNames.timelineRelations,
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storeNames.timelineFragments,
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storeNames.pendingEvents,
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storeNames.userIdentities,
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@ -259,6 +259,7 @@ export class BaseRoom extends EventEmitter {
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const txn = await this._storage.readWriteTxn([
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this._storage.storeNames.pendingEvents,
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this._storage.storeNames.timelineEvents,
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this._storage.storeNames.timelineRelations,
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this._storage.storeNames.timelineFragments,
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]);
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let extraGapFillChanges;
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@ -22,6 +22,7 @@ export const STORE_NAMES = Object.freeze([
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"invites",
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"roomMembers",
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"timelineEvents",
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"timelineRelations",
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"timelineFragments",
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"pendingEvents",
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"userIdentities",
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@ -21,6 +21,7 @@ import {SessionStore} from "./stores/SessionStore.js";
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import {RoomSummaryStore} from "./stores/RoomSummaryStore.js";
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import {InviteStore} from "./stores/InviteStore.js";
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import {TimelineEventStore} from "./stores/TimelineEventStore.js";
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import {TimelineRelationStore} from "./stores/TimelineRelationStore.js";
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import {RoomStateStore} from "./stores/RoomStateStore.js";
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import {RoomMemberStore} from "./stores/RoomMemberStore.js";
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import {TimelineFragmentStore} from "./stores/TimelineFragmentStore.js";
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@ -82,6 +83,10 @@ export class Transaction {
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return this._store("timelineEvents", idbStore => new TimelineEventStore(idbStore));
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}
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get timelineRelations() {
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return this._store("timelineRelations", idbStore => new TimelineRelationStore(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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@ -16,6 +16,7 @@ export const schema = [
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createInviteStore,
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createArchivedRoomSummaryStore,
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migrateOperationScopeIndex,
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createTimelineRelationsStore,
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];
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// TODO: how to deal with git merge conflicts of this array?
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@ -135,4 +136,9 @@ async function migrateOperationScopeIndex(db, txn) {
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txn.abort();
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console.error("could not migrate operations", err.stack);
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}
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}
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//v10
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function createTimelineRelationsStore(db) {
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db.createObjectStore("timelineRelations", {keyPath: ""});
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}
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62
src/matrix/storage/idb/stores/TimelineRelationStore.js
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62
src/matrix/storage/idb/stores/TimelineRelationStore.js
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@ -0,0 +1,62 @@
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/*
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Copyright 2021 The Matrix.org Foundation C.I.C.
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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 {MIN_UNICODE, MAX_UNICODE} from "./common.js";
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function encodeKey(roomId, targetEventId, relType, sourceEventId) {
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return `${roomId}|${targetEventId}|${relType}|${sourceEventId}`;
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}
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function decodeKey(key) {
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const [roomId, targetEventId, relType, sourceEventId] = key.split("|");
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return {roomId, targetEventId, relType, sourceEventId};
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}
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export class TimelineRelationStore {
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constructor(store) {
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this._store = store;
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}
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add(roomId, targetEventId, relType, sourceEventId) {
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return this._store.add(encodeKey(roomId, targetEventId, relType, sourceEventId));
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}
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remove(roomId, targetEventId, relType, sourceEventId) {
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return this._store.delete(encodeKey(roomId, targetEventId, relType, sourceEventId));
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}
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removeAllForTarget(roomId, targetId) {
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const range = this._store.IDBKeyRange.bound(
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encodeKey(roomId, targetId, MIN_UNICODE, MIN_UNICODE),
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encodeKey(roomId, targetId, MAX_UNICODE, MAX_UNICODE),
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true,
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true
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);
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return this._store.delete(range);
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}
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async getForTargetAndType(roomId, targetId, relType) {
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// exclude both keys as they are theoretical min and max,
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// but we should't have a match for just the room id, or room id with max
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const range = this._store.IDBKeyRange.bound(
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encodeKey(roomId, targetId, relType, MIN_UNICODE),
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encodeKey(roomId, targetId, relType, MAX_UNICODE),
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true,
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true
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);
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const keys = await this._store.selectAll(range);
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return keys.map(decodeKey);
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}
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}
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