79 lines
2.8 KiB
TypeScript
79 lines
2.8 KiB
TypeScript
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/*
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Copyright 2024 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 { logger } from "matrix-js-sdk/src/logger";
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import { MatrixClientPeg } from "./MatrixClientPeg";
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import { EDITOR_STATE_STORAGE_PREFIX } from "./components/views/rooms/SendMessageComposer";
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// The key used to persist the the timestamp we last cleaned up drafts
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export const DRAFT_LAST_CLEANUP_KEY = "mx_draft_cleanup";
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// The period of time we wait between cleaning drafts
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export const DRAFT_CLEANUP_PERIOD = 1000 * 60 * 60 * 24 * 30;
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/**
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* Checks if `DRAFT_CLEANUP_PERIOD` has expired, if so, deletes any stord editor drafts that exist for rooms that are not in the known list.
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*/
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export function cleanUpDraftsIfRequired(): void {
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if (!shouldCleanupDrafts()) {
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return;
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}
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logger.debug(`Cleaning up editor drafts...`);
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cleaupDrafts();
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try {
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localStorage.setItem(DRAFT_LAST_CLEANUP_KEY, String(Date.now()));
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} catch (error) {
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logger.error("Failed to persist draft cleanup key", error);
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}
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}
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/**
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*
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* @returns {bool} True if the timestamp has not been persisted or the `DRAFT_CLEANUP_PERIOD` has expired.
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*/
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function shouldCleanupDrafts(): boolean {
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try {
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const lastCleanupTimestamp = localStorage.getItem(DRAFT_LAST_CLEANUP_KEY);
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if (!lastCleanupTimestamp) {
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return true;
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}
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const parsedTimestamp = Number.parseInt(lastCleanupTimestamp || "", 10);
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if (!Number.isInteger(parsedTimestamp)) {
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return true;
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}
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return Date.now() > parsedTimestamp + DRAFT_CLEANUP_PERIOD;
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} catch (error) {
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return true;
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}
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}
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/**
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* Clear all drafts for the CIDER editor if the room does not exist in the known rooms.
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*/
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function cleaupDrafts(): void {
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for (let i = 0; i < localStorage.length; i++) {
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const keyName = localStorage.key(i);
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if (!keyName?.startsWith(EDITOR_STATE_STORAGE_PREFIX)) continue;
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// Remove the prefix and the optional event id suffix to leave the room id
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const roomId = keyName.slice(EDITOR_STATE_STORAGE_PREFIX.length).split("_$")[0];
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const room = MatrixClientPeg.safeGet().getRoom(roomId);
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if (!room) {
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logger.debug(`Removing draft for unknown room with key ${keyName}`);
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localStorage.removeItem(keyName);
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}
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}
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}
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