jellyfish-web/src/controllers/music/musicplaylists.js

import libraryBrowser from '../../scripts/libraryBrowser';
import cardBuilder from '../../components/cardbuilder/cardBuilder';
import imageLoader from '../../components/images/imageLoader';
import loading from '../../components/loading/loading';

export default function (view, params, tabContent) {
    function getPageData() {
        const key = getSavedQueryKey();
        let pageData = data[key];

        if (!pageData) {
            pageData = data[key] = {
                query: {
                    SortBy: 'SortName',
                    SortOrder: 'Ascending',
                    IncludeItemTypes: 'Playlist',
                    Recursive: true,
                    Fields: 'PrimaryImageAspectRatio,SortName,CanDelete',
                    StartIndex: 0
                },
                view: libraryBrowser.getSavedView(key) || 'Poster'
            };
            pageData.query.ParentId = params.topParentId;
            libraryBrowser.loadSavedQueryValues(key, pageData.query);
        }

        return pageData;
    }

    function getQuery() {
        return getPageData().query;
    }

    function getSavedQueryKey() {
        return libraryBrowser.getSavedQueryKey('genres');
    }

    function getPromise() {
        loading.show();
        const query = getQuery();
        return ApiClient.getItems(ApiClient.getCurrentUserId(), query);
    }

    function reloadItems(context, promise) {
        const query = getQuery();
        promise.then(function (result) {
            let html = '';
            html = cardBuilder.getCardsHtml({
                items: result.Items,
                shape: 'square',
                showTitle: true,
                coverImage: true,
                centerText: true,
                overlayPlayButton: true,
                allowBottomPadding: true,
                cardLayout: false
            });
            const elem = context.querySelector('#items');
            elem.innerHTML = html;
            imageLoader.lazyChildren(elem);
            libraryBrowser.saveQueryValues(getSavedQueryKey(), query);
            loading.hide();

            import('../../components/autoFocuser').then(({ default: autoFocuser }) => {
                autoFocuser.autoFocus(context);
            });
        });
    }

    const data = {};

    this.getCurrentViewStyle = function () {
        return getPageData().view;
    };

    let promise;

    this.preRender = function () {
        promise = getPromise();
    };

    this.renderTab = function () {
        reloadItems(tabContent, promise);
    };
}