56 lines
1.9 KiB
TypeScript
56 lines
1.9 KiB
TypeScript
/*
|
|
Copyright 2020 Bruno Windels <bruno@windels.cloud>
|
|
Copyright 2021 The Matrix.org Foundation C.I.C.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
import {MAX_UNICODE} from "./common";
|
|
import {Store} from "../Store";
|
|
import {StateEvent} from "../../types";
|
|
|
|
function encodeKey(roomId: string, eventType: string, stateKey: string) {
|
|
return `${roomId}|${eventType}|${stateKey}`;
|
|
}
|
|
|
|
export interface RoomStateEntry {
|
|
roomId: string;
|
|
event: StateEvent;
|
|
key: string;
|
|
}
|
|
|
|
export class RoomStateStore {
|
|
private _roomStateStore: Store<RoomStateEntry>;
|
|
|
|
constructor(idbStore: Store<RoomStateEntry>) {
|
|
this._roomStateStore = idbStore;
|
|
}
|
|
|
|
get(roomId: string, type: string, stateKey: string): Promise<RoomStateEntry | null> {
|
|
const key = encodeKey(roomId, type, stateKey);
|
|
return this._roomStateStore.get(key);
|
|
}
|
|
|
|
set(roomId: string, event: StateEvent): void {
|
|
const key = encodeKey(roomId, event.type, event.state_key);
|
|
const entry = {roomId, event, key};
|
|
this._roomStateStore.put(entry);
|
|
}
|
|
|
|
removeAllForRoom(roomId: string): void {
|
|
// exclude both keys as they are theoretical min and max,
|
|
// but we should't have a match for just the room id, or room id with max
|
|
const range = this._roomStateStore.IDBKeyRange.bound(roomId, `${roomId}|${MAX_UNICODE}`, true, true);
|
|
this._roomStateStore.delete(range);
|
|
}
|
|
}
|