mirror of https://github.com/keeweb/keeweb.git
108 lines
3.1 KiB
JavaScript
108 lines
3.1 KiB
JavaScript
import { Launcher } from 'comp/launcher';
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import { StorageBase } from 'storage/storage-base';
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class StorageFileCache extends StorageBase {
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name = 'cache';
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enabled = !!Launcher;
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system = true;
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path = null;
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getPath(id) {
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return Launcher.joinPath(this.path, id);
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}
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initFs(callback) {
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if (this.path) {
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return callback && callback();
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}
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const path = Launcher.getUserDataPath('OfflineFiles');
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const setPath = (err) => {
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this.path = err ? null : path;
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if (err) {
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this.logger.error('Error opening local offline storage', err);
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}
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return callback && callback(err);
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};
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Launcher.fileExists(path, (exists) => {
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if (exists) {
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setPath();
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} else {
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Launcher.mkdir(path, setPath);
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}
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});
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}
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save(id, opts, data, callback) {
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this.logger.debug('Save', id);
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this.initFs((err) => {
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if (err) {
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return callback && callback(err);
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}
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const ts = this.logger.ts();
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Launcher.writeFile(this.getPath(id), data, (err) => {
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if (err) {
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this.logger.error('Error saving to cache', id, err);
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return callback && callback(err);
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}
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this.logger.debug('Saved', id, this.logger.ts(ts));
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if (callback) {
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callback();
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}
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});
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});
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}
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load(id, opts, callback) {
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this.logger.debug('Load', id);
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this.initFs((err) => {
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if (err) {
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return callback && callback(null, err);
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}
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const ts = this.logger.ts();
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Launcher.readFile(this.getPath(id), undefined, (data, err) => {
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if (err) {
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this.logger.error('Error loading from cache', id, err);
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return callback && callback(err, null);
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}
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this.logger.debug('Loaded', id, this.logger.ts(ts));
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return callback && callback(null, data.buffer);
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});
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});
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}
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remove(id, opts, callback) {
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this.logger.debug('Remove', id);
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this.initFs((err) => {
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if (err) {
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return callback && callback(err);
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}
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const ts = this.logger.ts();
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const path = this.getPath(id);
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Launcher.fileExists(path, (exists) => {
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if (exists) {
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Launcher.deleteFile(path, (err) => {
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if (err) {
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this.logger.error('Error removing from cache', id, err);
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} else {
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this.logger.debug('Removed', id, this.logger.ts(ts));
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}
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return callback && callback(err);
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});
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} else if (callback) {
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callback();
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}
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});
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});
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}
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}
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export { StorageFileCache };
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