jellyfin-web/dashboard-ui/scripts/songs.js

define(['jQuery'], function ($) {

    var defaultSortBy = "Album,SortName";

    var data = {};
    function getPageData(context) {
        var key = getSavedQueryKey(context);
        var pageData = data[key];

        if (!pageData) {
            pageData = data[key] = {
                query: {
                    SortBy: defaultSortBy,
                    SortOrder: "Ascending",
                    IncludeItemTypes: "Audio",
                    Recursive: true,
                    Fields: "AudioInfo,ParentId,SyncInfo",
                    Limit: 100,
                    StartIndex: 0,
                    ImageTypeLimit: 1,
                    EnableImageTypes: "Primary,Backdrop,Banner,Thumb"
                }
            };

            pageData.query.ParentId = LibraryMenu.getTopParentId();
            LibraryBrowser.loadSavedQueryValues(key, pageData.query);
        }
        return pageData;
    }

    function getQuery(context) {

        return getPageData(context).query;
    }

    function getSavedQueryKey(context) {

        if (!context.savedQueryKey) {
            context.savedQueryKey = LibraryBrowser.getSavedQueryKey('songs');
        }
        return context.savedQueryKey;
    }

    function reloadItems(page) {

        Dashboard.showLoadingMsg();

        var query = getQuery(page);
        ApiClient.getItems(Dashboard.getCurrentUserId(), query).then(function (result) {

            // Scroll back up so they can see the results from the beginning
            window.scrollTo(0, 0);

            var html = '';
            var pagingHtml = LibraryBrowser.getQueryPagingHtml({
                startIndex: query.StartIndex,
                limit: query.Limit,
                totalRecordCount: result.TotalRecordCount,
                showLimit: false,
                sortButton: true,
                updatePageSizeSetting: false,
                filterButton: true
            });

            page.querySelector('.listTopPaging').innerHTML = pagingHtml;

            html += LibraryBrowser.getListViewHtml({
                items: result.Items,
                showIndex: true,
                defaultAction: 'play',
                smallIcon: true
            });

            var elem = page.querySelector('#items');
            elem.innerHTML = html + pagingHtml;
            ImageLoader.lazyChildren(elem);

            $('.btnNextPage', page).on('click', function () {
                query.StartIndex += query.Limit;
                reloadItems(page);
            });

            $('.btnPreviousPage', page).on('click', function () {
                query.StartIndex -= query.Limit;
                reloadItems(page);
            });

            $('.btnFilter', page).on('click', function () {
                showFilterMenu(page);
            });

            // On callback make sure to set StartIndex = 0
            $('.btnSort', page).on('click', function () {
                LibraryBrowser.showSortMenu({
                    items: [{
                        name: Globalize.translate('OptionTrackName'),
                        id: 'Name'
                    },
                    {
                        name: Globalize.translate('OptionAlbum'),
                        id: 'Album,SortName'
                    },
                    {
                        name: Globalize.translate('OptionAlbumArtist'),
                        id: 'AlbumArtist,Album,SortName'
                    },
                    {
                        name: Globalize.translate('OptionArtist'),
                        id: 'Artist,Album,SortName'
                    },
                    {
                        name: Globalize.translate('OptionDateAdded'),
                        id: 'DateCreated,SortName'
                    },
                    {
                        name: Globalize.translate('OptionDatePlayed'),
                        id: 'DatePlayed,SortName'
                    },
                    {
                        name: Globalize.translate('OptionPlayCount'),
                        id: 'PlayCount,SortName'
                    },
                    {
                        name: Globalize.translate('OptionReleaseDate'),
                        id: 'PremiereDate,AlbumArtist,Album,SortName'
                    },
                    {
                        name: Globalize.translate('OptionRuntime'),
                        id: 'Runtime,AlbumArtist,Album,SortName'
                    }],
                    callback: function () {
                        reloadItems(page);
                    },
                    query: query
                });
            });

            LibraryBrowser.saveQueryValues(getSavedQueryKey(page), query);

            Dashboard.hideLoadingMsg();
        });
    }

    function showFilterMenu(page) {

        require(['components/filterdialog/filterdialog'], function (filterDialogFactory) {

            var filterDialog = new filterDialogFactory({
                query: getQuery(page),
                mode: 'songs'
            });

            Events.on(filterDialog, 'filterchange', function () {
                reloadItems(page);
            });

            filterDialog.show();
        });
    }

    window.MusicPage.renderSongsTab = function (page, tabContent) {

        if (LibraryBrowser.needsRefresh(tabContent)) {
            reloadItems(tabContent);
        }
    };

});