yomichan/ext/bg/js/settings/backup.js
2019-12-29 12:33:28 -05:00

123 lines
3.8 KiB
JavaScript

/*
* Copyright (C) 2019 Alex Yatskov <alex@foosoft.net>
* Author: Alex Yatskov <alex@foosoft.net>
*
* This program 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.
*
* This program 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. the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
// Exporting
let _settingsExportToken = null;
let _settingsExportRevoke = null;
const SETTINGS_EXPORT_CURRENT_VERSION = 0;
function _getSettingsExportDateString(date, dateSeparator, dateTimeSeparator, timeSeparator, resolution) {
const values = [
date.getUTCFullYear().toString(),
dateSeparator,
(date.getUTCMonth() + 1).toString().padStart(2, '0'),
dateSeparator,
date.getUTCDate().toString().padStart(2, '0'),
dateTimeSeparator,
date.getUTCHours().toString().padStart(2, '0'),
timeSeparator,
date.getUTCMinutes().toString().padStart(2, '0'),
timeSeparator,
date.getUTCSeconds().toString().padStart(2, '0')
];
return values.slice(0, resolution * 2 - 1).join('');
}
async function _getSettingsExportData(date) {
const optionsFull = await apiOptionsGetFull();
const environment = await apiGetEnvironmentInfo();
const fieldTemplatesDefault = profileOptionsGetDefaultFieldTemplates();
// Format options
for (const {options} of optionsFull.profiles) {
if (options.anki.fieldTemplates === fieldTemplatesDefault || !options.anki.fieldTemplates) {
delete options.anki.fieldTemplates; // Default
}
}
const data = {
version: SETTINGS_EXPORT_CURRENT_VERSION,
date: _getSettingsExportDateString(date, '-', ' ', ':', 6),
url: chrome.runtime.getURL('/'),
manifest: chrome.runtime.getManifest(),
environment,
userAgent: navigator.userAgent,
options: optionsFull
};
return data;
}
function _saveBlob(blob, fileName) {
if (typeof navigator === 'object' && typeof navigator.msSaveBlob === 'function') {
if (navigator.msSaveBlob(blob)) {
return;
}
}
const blobUrl = URL.createObjectURL(blob);
const a = document.createElement('a');
a.href = blobUrl;
a.download = fileName;
a.rel = 'noopener';
a.target = '_blank';
const revoke = () => {
URL.revokeObjectURL(blobUrl);
a.href = '';
_settingsExportRevoke = null;
};
_settingsExportRevoke = revoke;
a.dispatchEvent(new MouseEvent('click'));
setTimeout(revoke, 60000);
}
async function _onSettingsExportClick() {
if (_settingsExportRevoke !== null) {
_settingsExportRevoke();
_settingsExportRevoke = null;
}
const date = new Date(Date.now());
const token = {};
_settingsExportToken = token;
const data = await _getSettingsExportData(date);
if (_settingsExportToken !== token) {
// A new export has been started
return;
}
_settingsExportToken = null;
const fileName = `yomichan-settings-${_getSettingsExportDateString(date, '-', '-', '-', 6)}.json`;
const blob = new Blob([JSON.stringify(data, null, 4)], {type: 'application/json'});
_saveBlob(blob, fileName);
}
// Setup
window.addEventListener('DOMContentLoaded', () => {
document.querySelector('#settings-export').addEventListener('click', _onSettingsExportClick, false);
}, false);