8c4a50f68c
* Create new classes for importing dictionaries from a separate thread * Use threaded importer * Update worker tests
84 lines
2.6 KiB
JavaScript
84 lines
2.6 KiB
JavaScript
/*
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* Copyright (C) 2021 Yomichan Authors
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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/* global
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* DictionaryDatabase
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* DictionaryImporter
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* DictionaryImporterWorkerMediaLoader
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*/
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class DictionaryImporterWorker {
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constructor() {
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this._mediaLoader = new DictionaryImporterWorkerMediaLoader();
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}
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prepare() {
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self.addEventListener('message', this._onMessage.bind(this), false);
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}
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// Private
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_onMessage(e) {
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const {action, params} = e.data;
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switch (action) {
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case 'import':
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this._onImport(params);
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break;
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case 'getImageResolution.response':
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this._mediaLoader.handleMessage(params);
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break;
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}
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}
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async _onImport({details, archiveContent}) {
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const onProgress = (...args) => {
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self.postMessage({
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action: 'progress',
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params: {args}
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});
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};
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let response;
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try {
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const result = await this._importDictionary(archiveContent, details, onProgress);
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response = {result};
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} catch (e) {
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response = {error: serializeError(e)};
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}
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self.postMessage({action: 'complete', params: response});
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}
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async _importDictionary(archiveContent, importDetails, onProgress) {
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const dictionaryDatabase = await this._getPreparedDictionaryDatabase();
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try {
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const dictionaryImporter = new DictionaryImporter(this._mediaLoader);
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const {result, errors} = await dictionaryImporter.importDictionary(dictionaryDatabase, archiveContent, importDetails, onProgress);
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return {
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result,
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errors: errors.map((error) => serializeError(error))
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};
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} finally {
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dictionaryDatabase.close();
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}
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}
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async _getPreparedDictionaryDatabase() {
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const dictionaryDatabase = new DictionaryDatabase();
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await dictionaryDatabase.prepare();
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return dictionaryDatabase;
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}
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}
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