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path: root/ext/bg/js/options.js
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/*
 * Copyright (C) 2016  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.  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 <http://www.gnu.org/licenses/>.
 */


function optionsSetDefaults(options) {
    const defaults = {
        general: {
            autoStart:     true,
            audioPlayback: true,
            softKatakana:  true,
            groupResults:  true,
            showAdvanced:  false
        },

        scanning: {
            requireShift: true,
            selectText:   true,
            delay:        15,
            length:       10
        },

        dictionaries: {},

        anki: {
            enable:      false,
            tags:        ['yomichan'],
            sentenceExt: 200,
            terms:       {deck: '', model: '', fields: {}},
            kanji:       {deck: '', model: '', fields: {}},
        }
    };

    const combine = (target, source) => {
        for (const key in source) {
            if (!(key in target)) {
                target[key] = source[key];
            }
        }
    };

    combine(options,            defaults);
    combine(options.general,    defaults.general);
    combine(options.scanning,   defaults.scanning);
    combine(options.anki,       defaults.anki);
    combine(options.anki.terms, defaults.anki.terms);
    combine(options.anki.kanji, defaults.anki.kanji);

    return options;
}


function optionsVersion(options) {
    const copy = (targetDict, targetKey, sourceDict, sourceKey) => {
        targetDict[targetKey] = sourceDict[sourceKey] || targetDict[targetKey];
    };

    const version = options.version || 0;
    const fixups = [
        () => {
            optionsSetDefaults(options);

            copy(options.general, 'autoStart',     options, 'activateOnStartup');
            copy(options.general, 'audioPlayback', options, 'enableAudioPlayback');
            copy(options.general, 'softKatakana',  options, 'enableSoftKatakanaSearch');
            copy(options.general, 'groupResults',  options, 'groupTermResults');
            copy(options.general, 'showAdvanced',  options, 'showAdvancedOptions');

            copy(options.scanning, 'requireShift', options, 'holdShiftToScan');
            copy(options.scanning, 'selectText',   options, 'selectMatchedText');
            copy(options.scanning, 'delay',        options, 'scanDelay');
            copy(options.scanning, 'length',       options, 'scanLength');

            options.anki.enable = options.ankiMethod === 'ankiconnect';

            copy(options.anki,       'tags',        options, 'ankiCardTags');
            copy(options.anki,       'sentenceExt', options, 'sentenceExtent');
            copy(options.anki.terms, 'deck',        options, 'ankiTermDeck');
            copy(options.anki.terms, 'model',       options, 'ankiTermModel');
            copy(options.anki.terms, 'fields',      options, 'ankiTermFields');
            copy(options.anki.kanji, 'deck',        options, 'ankiKanjiDeck');
            copy(options.anki.kanji, 'model',       options, 'ankiKanjiModel');
            copy(options.anki.kanji, 'fields',      options, 'ankiKanjiFields');
        },
    ];

    if (version < fixups.length) {
        fixups[version]();
        ++options.version;
        optionsVersion(options);
    }

    return options;
}

function optionsLoad() {
    return new Promise((resolve, reject) => {
        chrome.storage.sync.get(null, options => resolve(optionsVersion(options)));
    });
}

function optionsSave(options) {
    return new Promise((resolve, reject) => {
        chrome.storage.sync.set(options, resolve);
    });
}