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

(function ($, document, window) {

    function loadPage(page, config, tvServices) {

        if (tvServices.length) {

            $('.liveTvSettingsForm', page).show();
            $('.noLiveTvServices', page).hide();

        } else {
            $('.liveTvSettingsForm', page).hide();
            $('.noLiveTvServices', page).show();
        }

        $('#selectGuideDays', page).val(config.LiveTvOptions.GuideDays || '').selectmenu('refresh');
        
        Dashboard.hideLoadingMsg();
    }

    $(document).on('pageshow', "#liveTvSettingsPage", function () {

        Dashboard.showLoadingMsg();

        var page = this;

        var promise1 = ApiClient.getServerConfiguration();

        var promise2 = ApiClient.getLiveTvServices();

        $.when(promise1, promise2).done(function (response1, response2) {

            loadPage(page, response1[0], response2[0]);

        });

    });

    window.LiveTvSettingsPage = {        
      
        onSubmit: function() {
            
            Dashboard.showLoadingMsg();

            var form = this;

            ApiClient.getServerConfiguration().done(function (config) {


                config.LiveTvOptions.GuideDays = $('#selectGuideDays', form).val() || null;

                ApiClient.updateServerConfiguration(config).done(Dashboard.processServerConfigurationUpdateResult);
            });

            // Disable default form submission
            return false;
        }
    };

})(jQuery, document, window);