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/*
* Copyright (C) 2021 Yomichan Authors
*
* 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. See 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 <https://www.gnu.org/licenses/>.
*/
/* global
* DictionaryDatabase
* DictionaryImporter
* DictionaryImporterWorkerMediaLoader
*/
class DictionaryImporterWorker {
constructor() {
this._mediaLoader = new DictionaryImporterWorkerMediaLoader();
}
prepare() {
self.addEventListener('message', this._onMessage.bind(this), false);
}
// Private
_onMessage(e) {
const {action, params} = e.data;
switch (action) {
case 'import':
this._onImport(params);
break;
case 'getImageResolution.response':
this._mediaLoader.handleMessage(params);
break;
}
}
async _onImport({details, archiveContent}) {
const onProgress = (...args) => {
self.postMessage({
action: 'progress',
params: {args}
});
};
let response;
try {
const result = await this._importDictionary(archiveContent, details, onProgress);
response = {result};
} catch (e) {
response = {error: serializeError(e)};
}
self.postMessage({action: 'complete', params: response});
}
async _importDictionary(archiveContent, importDetails, onProgress) {
const dictionaryDatabase = await this._getPreparedDictionaryDatabase();
try {
const dictionaryImporter = new DictionaryImporter(this._mediaLoader, onProgress);
const {result, errors} = await dictionaryImporter.importDictionary(dictionaryDatabase, archiveContent, importDetails);
return {
result,
errors: errors.map((error) => serializeError(error))
};
} finally {
dictionaryDatabase.close();
}
}
async _getPreparedDictionaryDatabase() {
const dictionaryDatabase = new DictionaryDatabase();
await dictionaryDatabase.prepare();
return dictionaryDatabase;
}
}
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