function updateTasks()

in luigi/static/visualiser/js/visualiserApp.js [905:990]
50 lines of code
3 McCabe index (conditional complexity)

    function updateTasks() {
        $('.status-info .info-box-number').text('?');
        $('.status-info i.fa').removeClass().addClass('fa fa-spinner fa-pulse');

        var ajax1 = luigi.getRunningTaskList(function(runningTasks) {
            updateTaskCategory(dt, 'RUNNING', runningTasks);
        });

        var ajax2 = luigi.getBatchRunningTaskList(function(batchRunningTasks) {
            updateTaskCategory(dt, 'BATCH_RUNNING', batchRunningTasks);
        });

        var ajax3 = luigi.getFailedTaskList(function(failedTasks) {
            updateTaskCategory(dt, 'FAILED', failedTasks);
        });

        var ajax4 = luigi.getUpstreamFailedTaskList(function(upstreamFailedTasks) {
            updateTaskCategory(dt, 'UPSTREAM_FAILED', upstreamFailedTasks);
        });

        var ajax5 = luigi.getDisabledTaskList(function(disabledTasks) {
            updateTaskCategory(dt, 'DISABLED', disabledTasks);
        });

        var ajax6 = luigi.getUpstreamDisabledTaskList(function(upstreamDisabledTasks) {
            updateTaskCategory(dt, 'UPSTREAM_DISABLED', upstreamDisabledTasks);
        });

        var ajax7 = luigi.getPendingTaskList(function(pendingTasks) {
            updateTaskCategory(dt, 'PENDING', pendingTasks);
        });

        var ajax8 = luigi.getDoneTaskList(function(doneTasks) {
            updateTaskCategory(dt, 'DONE', doneTasks);
        });

        $.when(ajax1, ajax2, ajax3, ajax4, ajax5, ajax6, ajax7, ajax8).done(function () {
            dt.draw();

            $('.sidebar').html(renderSidebar(dt.column(1).data()));
            var selectedFamily = $('.sidebar-menu').find('li[data-task="' + currentFilter.taskFamily + '"]')[0];
            selectSidebarItem(selectedFamily);

            if (selectedFamily) {
                var selectedUl = $(selectedFamily).parent();
                selectedUl.show();
                selectedUl.prev().addClass('expanded');
            } else {
                var others = $('.sidebar-folder:contains(Others)')
                others.addClass('expanded')
                others.next().show()
            }

            $('.sidebar-menu').on('click', 'li:not(.sidebar-folder)', function (e) {
                e.stopPropagation();
                if (this.dataset.task) {
                    selectSidebarItem(this);
                    if ($(this).hasClass('active')) {
                        filterByTaskFamily(this.dataset.task, dt);
                    }
                    else {
                        filterByTaskFamily("", dt);
                    }
                }
            });

            $('.sidebar-menu').on('click', '.sidebar-folder', function () {
                const ul = this.nextElementSibling;
                $(ul).slideToggle()
                this.classList.toggle('expanded')
            })

            $('#clear-task-filter').on('click', function () {
                filterByTaskFamily("", dt);
            });

            if ($.isEmptyObject(missingCategories)) {
                $('#warnings').html('');
            }
            else {
                $('#warnings').html(renderWarnings());
            }

            processHashChange();
        });
    }