jellyfin-web/src/controllers/livetv/livetvchannels.js

define(["cardBuilder", "imageLoader", "libraryBrowser", "loading", "events", "emby-itemscontainer"], function(cardBuilder, imageLoader, libraryBrowser, loading, events) {
    "use strict";
    return function(view, params, tabContent) {
        function getPageData() {
            return pageData || (pageData = {
                query: {
                    StartIndex: 0,
                    Limit: 100,
                    Fields: "PrimaryImageAspectRatio"
                }
            }), pageData
        }

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

        function getChannelsHtml(channels) {
            return cardBuilder.getCardsHtml({
                items: channels,
                shape: "square",
                showTitle: !0,
                lazy: !0,
                cardLayout: !0,
                showDetailsMenu: !0,
                showCurrentProgram: !0,
                showCurrentProgramTime: !0
            })
        }

        function renderChannels(context, result) {
            function onNextPageClick() {
                if (isLoading) return;
                query.StartIndex += query.Limit, reloadItems(context)
            }

            function onPreviousPageClick() {
                if (isLoading) return;
                query.StartIndex -= query.Limit, reloadItems(context)
            }
            var query = getQuery();
            context.querySelector(".paging").innerHTML = libraryBrowser.getQueryPagingHtml({
                startIndex: query.StartIndex,
                limit: query.Limit,
                totalRecordCount: result.TotalRecordCount,
                showLimit: !1,
                updatePageSizeSetting: !1,
                filterButton: !1
            });
            var html = getChannelsHtml(result.Items),
                elem = context.querySelector("#items");
            elem.innerHTML = html, imageLoader.lazyChildren(elem);
            var i, length, elems;
            for (elems = context.querySelectorAll(".btnNextPage"), i = 0, length = elems.length; i < length; i++) elems[i].addEventListener("click", onNextPageClick);
            for (elems = context.querySelectorAll(".btnPreviousPage"), i = 0, length = elems.length; i < length; i++) elems[i].addEventListener("click", onPreviousPageClick)
        }

        function showFilterMenu(context) {
            require(["components/filterdialog/filterdialog"], function(filterDialogFactory) {
                var filterDialog = new filterDialogFactory({
                    query: getQuery(),
                    mode: "livetvchannels",
                    serverId: ApiClient.serverId()
                });
                events.on(filterDialog, "filterchange", function() {
                    reloadItems(context)
                }), filterDialog.show()
            })
        }

        function reloadItems(context, save) {
            loading.show();
            isLoading = true;
            var query = getQuery(),
                apiClient = ApiClient;
            query.UserId = apiClient.getCurrentUserId(), apiClient.getLiveTvChannels(query).then(function(result) {
                renderChannels(context, result);
                loading.hide();
                isLoading = false;
            })
        }
        var pageData, self = this, isLoading = false;
        tabContent.querySelector(".btnFilter").addEventListener("click", function() {
            showFilterMenu(tabContent)
        }), self.renderTab = function() {
            reloadItems(tabContent)
        }
    }
});