Current File : /home/vacivi36/ava/lib/editor/tiny/plugins/autosave/amd/src/storage.js
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Storage helper for the Moodle Tiny Autosave plugin.
*
* @module tiny_autosave/plugin
* @copyright 2022 Andrew Lyons <andrew@nicols.co.uk>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
import * as Repository from "./repository";
import Pending from 'core/pending';
import {
markInitialised,
getBackoffTime,
} from "./options";
import Log from 'core/log';
import {getLogSource} from './common';
/** @property {Map} A map of debounced draft saves */
const saveDebounceMap = new Map();
/**
* Attempt to restore a draft into the editor
*
* @param {TinyMCE} editor The Editor to restore a draft for
*/
export const restoreDraft = async(editor) => {
const pendingPromise = new Pending('tiny_autosave/restoreDraft');
try {
const session = await Repository.resumeAutosaveSession(editor);
if (session && session.drafttext) {
editor.undoManager.ignore(() => {
editor.setContent(session.drafttext);
editor.save();
});
}
} catch (error) {
// Ignore any errors as drafts are optional.
Log.warn(`Failed to restore draft: ${error}`, getLogSource(editor));
}
markInitialised(editor);
pendingPromise.resolve();
};
/**
* Save the current content of the editor as a draft.
*
* @param {TinyMCE} editor
*/
export const saveDraft = (editor) => {
const timerId = saveDebounceMap.get(editor);
if (timerId) {
clearTimeout(timerId);
}
saveDebounceMap.set(editor, setTimeout(() => {
Log.debug(`Saving draft`, getLogSource(editor));
Repository.updateAutosaveSession(editor)
.catch((error) => window.console.warn(error));
}, getBackoffTime(editor)));
};
/**
* Delete the draft for the current editor.
*
* @param {TinyMCE} editor
*/
export const removeAutosaveSession = (editor) => {
Log.debug(`Removing Autosave session`, getLogSource(editor));
Repository.removeAutosaveSession(editor);
};
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