2016-03-20 02:32:35 +00:00
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/*
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* Copyright (C) 2016 Alex Yatskov <alex@foosoft.net>
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* Author: Alex Yatskov <alex@foosoft.net>
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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 <http://www.gnu.org/licenses/>.
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*/
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2016-11-07 16:29:21 +00:00
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class Database {
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2016-03-21 00:15:40 +00:00
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constructor() {
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2016-09-12 05:47:08 +00:00
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this.db = null;
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2016-12-30 18:53:21 +00:00
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this.dbVersion = 2;
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2016-12-18 01:42:41 +00:00
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this.tagMetaCache = {};
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2016-08-21 20:32:36 +00:00
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}
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2016-12-30 18:47:27 +00:00
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sanitize() {
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const db = new Dexie('dict');
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return db.open().then(() => {
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db.close();
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if (db.verno !== this.dbVersion) {
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return db.delete();
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}
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}).catch(() => {});
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}
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2016-11-13 20:49:28 +00:00
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prepare() {
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2016-09-13 22:59:18 +00:00
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if (this.db !== null) {
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return Promise.reject('database already initialized');
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}
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2016-12-30 18:47:27 +00:00
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return this.sanitize().then(() => {
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this.db = new Dexie('dict');
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this.db.version(this.dbVersion).stores({
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terms: '++id,dictionary,expression,reading',
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kanji: '++,dictionary,character',
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tagMeta: '++,dictionary',
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2017-02-26 18:11:23 +00:00
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dictionaries: '++,title,version'
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2016-12-30 18:47:27 +00:00
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});
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2016-11-08 04:55:06 +00:00
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2016-12-30 18:47:27 +00:00
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return this.db.open();
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});
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2016-03-21 00:15:40 +00:00
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}
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2016-11-14 03:10:28 +00:00
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purge() {
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if (this.db === null) {
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return Promise.reject('database not initialized');
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}
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this.db.close();
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return this.db.delete().then(() => {
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this.db = null;
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2016-12-18 07:38:14 +00:00
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this.tagMetaCache = {};
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2016-12-19 06:24:34 +00:00
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return this.prepare();
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2016-11-14 03:10:28 +00:00
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});
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}
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2017-01-16 06:17:49 +00:00
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findTerms(term, dictionaries) {
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2016-09-12 05:47:08 +00:00
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if (this.db === null) {
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return Promise.reject('database not initialized');
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}
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2016-04-18 01:38:29 +00:00
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const results = [];
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2016-09-11 02:40:56 +00:00
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return this.db.terms.where('expression').equals(term).or('reading').equals(term).each(row => {
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2016-11-13 03:29:30 +00:00
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if (dictionaries.includes(row.dictionary)) {
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results.push({
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expression: row.expression,
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reading: row.reading,
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2017-03-03 05:01:49 +00:00
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tags: dictFieldSplit(row.tags),
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rules: dictFieldSplit(row.rules),
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2017-01-10 03:51:21 +00:00
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glossary: row.glossary,
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score: row.score,
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dictionary: row.dictionary,
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2016-11-13 03:29:30 +00:00
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id: row.id
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});
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}
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2016-08-22 02:51:12 +00:00
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}).then(() => {
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2016-12-18 05:26:46 +00:00
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return this.cacheTagMeta(dictionaries);
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}).then(() => {
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2017-02-26 19:12:54 +00:00
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for (const result of results) {
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2016-12-18 05:26:46 +00:00
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result.tagMeta = this.tagMetaCache[result.dictionary] || {};
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2016-08-30 02:51:37 +00:00
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}
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return results;
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2016-08-22 02:51:12 +00:00
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});
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}
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2016-04-13 06:12:20 +00:00
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2016-11-13 03:29:30 +00:00
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findKanji(kanji, dictionaries) {
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2016-09-12 05:47:08 +00:00
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if (this.db === null) {
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return Promise.reject('database not initialized');
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}
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2016-08-22 02:51:12 +00:00
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const results = [];
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2016-09-11 19:29:18 +00:00
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return this.db.kanji.where('character').equals(kanji).each(row => {
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2016-11-13 03:29:30 +00:00
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if (dictionaries.includes(row.dictionary)) {
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results.push({
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character: row.character,
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2017-03-03 05:01:49 +00:00
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onyomi: dictFieldSplit(row.onyomi),
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kunyomi: dictFieldSplit(row.kunyomi),
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tags: dictFieldSplit(row.tags),
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2017-01-10 03:51:21 +00:00
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glossary: row.meanings,
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2016-12-18 20:07:01 +00:00
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dictionary: row.dictionary
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2016-11-13 03:29:30 +00:00
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});
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}
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}).then(() => {
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2016-12-18 05:26:46 +00:00
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return this.cacheTagMeta(dictionaries);
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}).then(() => {
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2017-02-26 19:12:54 +00:00
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for (const result of results) {
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2016-12-18 05:26:46 +00:00
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result.tagMeta = this.tagMetaCache[result.dictionary] || {};
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2016-11-13 03:29:30 +00:00
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}
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return results;
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});
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2016-04-01 03:03:39 +00:00
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}
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2016-08-24 03:33:04 +00:00
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2016-12-18 05:26:46 +00:00
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cacheTagMeta(dictionaries) {
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2016-09-12 05:47:08 +00:00
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if (this.db === null) {
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return Promise.reject('database not initialized');
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}
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2016-11-13 04:20:23 +00:00
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const promises = [];
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2017-02-26 19:12:54 +00:00
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for (const dictionary of dictionaries) {
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2016-12-18 01:42:41 +00:00
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if (this.tagMetaCache[dictionary]) {
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continue;
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2016-11-13 04:20:23 +00:00
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}
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2016-12-18 05:42:53 +00:00
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const tagMeta = {};
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2016-12-18 02:45:19 +00:00
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promises.push(
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this.db.tagMeta.where('dictionary').equals(dictionary).each(row => {
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2016-12-19 06:24:34 +00:00
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tagMeta[row.name] = {category: row.category, notes: row.notes, order: row.order};
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2016-12-18 05:42:53 +00:00
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}).then(() => {
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this.tagMetaCache[dictionary] = tagMeta;
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2016-12-18 02:45:19 +00:00
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})
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);
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2016-12-18 01:42:41 +00:00
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}
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2016-12-18 05:26:46 +00:00
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return Promise.all(promises);
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2016-08-24 05:22:09 +00:00
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}
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2016-08-24 03:33:04 +00:00
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2016-11-07 06:19:48 +00:00
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getDictionaries() {
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2016-11-06 01:24:45 +00:00
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if (this.db === null) {
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return Promise.reject('database not initialized');
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}
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return this.db.dictionaries.toArray();
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}
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2017-06-25 22:36:28 +00:00
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importDictionary(archive, callback) {
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2016-09-12 05:47:08 +00:00
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if (this.db === null) {
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return Promise.reject('database not initialized');
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}
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2016-08-24 05:22:09 +00:00
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2016-11-13 19:37:54 +00:00
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let summary = null;
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2016-12-24 05:59:19 +00:00
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const indexLoaded = (title, version, revision, tagMeta, hasTerms, hasKanji) => {
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summary = {title, version, revision, hasTerms, hasKanji};
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2016-11-08 06:12:18 +00:00
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return this.db.dictionaries.where('title').equals(title).count().then(count => {
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if (count > 0) {
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return Promise.reject(`dictionary "${title}" is already imported`);
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2016-11-06 00:51:01 +00:00
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}
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2016-08-24 03:33:04 +00:00
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2016-12-24 05:59:19 +00:00
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return this.db.dictionaries.add({title, version, revision, hasTerms, hasKanji}).then(() => {
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2016-11-08 06:12:18 +00:00
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const rows = [];
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2017-02-26 19:12:54 +00:00
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for (const tag in tagMeta || {}) {
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2016-12-18 01:42:41 +00:00
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const meta = tagMeta[tag];
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2017-03-03 05:01:49 +00:00
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const row = dictTagSanitize({
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2016-12-18 03:30:26 +00:00
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name: tag,
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2016-12-18 19:52:11 +00:00
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category: meta.category,
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notes: meta.notes,
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order: meta.order,
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2016-12-18 01:42:41 +00:00
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dictionary: title
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});
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2016-12-18 19:52:11 +00:00
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rows.push(row);
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2016-11-08 06:12:18 +00:00
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}
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2016-12-18 01:42:41 +00:00
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return this.db.tagMeta.bulkAdd(rows);
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2016-11-08 06:12:18 +00:00
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});
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2016-11-06 00:51:01 +00:00
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});
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2016-11-05 23:44:29 +00:00
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};
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2016-08-24 03:33:04 +00:00
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2016-11-07 03:14:43 +00:00
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const termsLoaded = (title, entries, total, current) => {
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2017-07-27 07:18:57 +00:00
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return this.db.transaction('rw', this.db.terms, function() {
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for (const [expression, reading, tags, rules, score, ...glossary] of entries) {
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this.db.terms.add({
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expression,
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reading,
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tags,
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rules,
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score,
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glossary,
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dictionary: title
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});
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}
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}).then(() => {
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2016-11-05 23:44:29 +00:00
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if (callback) {
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2017-06-25 22:36:28 +00:00
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callback(total, current);
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2016-08-24 03:53:11 +00:00
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}
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2016-08-24 03:33:04 +00:00
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});
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2016-11-05 23:44:29 +00:00
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};
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2016-11-07 03:14:43 +00:00
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const kanjiLoaded = (title, entries, total, current) => {
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2016-11-05 23:44:29 +00:00
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const rows = [];
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2017-02-26 19:12:54 +00:00
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for (const [character, onyomi, kunyomi, tags, ...meanings] of entries) {
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2016-11-06 00:30:00 +00:00
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rows.push({
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character,
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onyomi,
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kunyomi,
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tags,
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2016-11-07 03:14:43 +00:00
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meanings,
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dictionary: title
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2016-11-06 00:30:00 +00:00
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});
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2016-08-24 05:22:09 +00:00
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}
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2016-11-05 23:44:29 +00:00
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return this.db.kanji.bulkAdd(rows).then(() => {
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if (callback) {
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2017-06-25 22:36:28 +00:00
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callback(total, current);
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2016-11-05 23:44:29 +00:00
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}
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});
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};
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2016-08-24 05:22:09 +00:00
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2017-06-25 22:36:28 +00:00
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return zipLoadDb(archive, indexLoaded, termsLoaded, kanjiLoaded).then(() => summary);
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2016-08-24 05:22:09 +00:00
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}
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2016-03-20 02:32:35 +00:00
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}
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