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-rw-r--r--ext/bg/js/settings/backup.js122
1 files changed, 122 insertions, 0 deletions
diff --git a/ext/bg/js/settings/backup.js b/ext/bg/js/settings/backup.js
new file mode 100644
index 00000000..6494cd65
--- /dev/null
+++ b/ext/bg/js/settings/backup.js
@@ -0,0 +1,122 @@
+/*
+ * 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);