live_check.html.erb

<div class="panel" id="live_check">
	<div class="panel-heading text-center">
		<h2>Контроль участия</h2>
	</div>
	<div class="panel-body">
			<p class="question">Вы с нами в прямом эфире ?</p>
		<%= link_to 'Да', '#', onclick: 'javascript:close_live_check(); return;', class: 'btn btn-info btn-block' %>
	</div>
</div>

<script type="text/javascript">
	function get_checked_times() {
		var checkedTimes = parseInt(getCookie('live_checked_times'));
		if (isNaN(checkedTimes)) {
			checkedTimes = 0;
			setCookie('live_checked_times', checkedTimes);
		}
		return checkedTimes;
	}

	function display_live_check(popup, dateTime) {
		$("#broadcast").append(popup);
	}

	(function live_check_popup_worker() {
		var popup = "<%= j render partial: 'stats/check_popup' %>";
		display_live_check();
		var checker = document.getElementById("live_check");
		var today = new Date();
		var todayDate = new Date(today.getUTCFullYear() + "/" + (today.getUTCMonth() + 1) + "/" + today.getUTCDate());

		var timeStart = new Date(today.getUTCFullYear() + "/" + (today.getUTCMonth() + 1) + "/" + today.getUTCDate() + " " + '06:50 UTC');
		var timeEnd = new Date(today.getUTCFullYear() + "/" + (today.getUTCMonth() + 1) + "/" + today.getUTCDate() + " " + '15:00 UTC');

		if (checker === null) {
			if (today > timeStart && today < timeEnd) {
				var now = new Date();
				var doCheck = false;
				var lastCheckCookie = getCookie('live_checked_last');
				if (lastCheckCookie === "") {
					lastCheck = now;
				} else {
					var lastCheck = new Date(lastCheckCookie);
				}
				var delayInSeconds = 1000*60*40; // 40 minutes in miliseconds
				var delta = now.getTime() - lastCheck.getTime();
				if (delta > delayInSeconds || delta === 0) {
					doCheck = true;
				}
				var lastCheckDate = new Date(lastCheck.getUTCFullYear() + "/" + (lastCheck.getUTCMonth() + 1) + "/" + lastCheck.getUTCDate());
				// (lastCheckDate.getTime() === todayDate.getTime()) &&
				if (doCheck) {
					display_live_check(popup, now);
				}
			}
		}

		// setTimeout(live_check_popup_worker, 120000); // checking every 2 minutes our interval
		setTimeout(live_check_popup_worker, 1000*60*40); // opening popup every 40 minutes in milisecods 
	})();

	(function live_check_worker() {
		$.ajax({
			url: '<%= stat_live_check_path(user_id: current_user.id, seminar_id: @seminar.id, kind: 1) %>',
			statusCode: {
				401: function () {
				},
				403: function () {
				}
			},
			success: function (data) {
			}
		});
		setTimeout(live_check_worker, 600000); // checking every 10 minutes
	})();


	function close_live_check() {
		$.ajax({
			url: '<%= stat_live_check_path(user_id: current_user.id, seminar_id: @seminar.id, kind: 2) %>',
			statusCode: {
				401: function () {
				},
				403: function () {
				}
			},
			success: function (data) {
				var checkedTimes = get_checked_times();
				if (checkedTimes >= 0) {
					var now = new Date();
					setCookie('live_checked_last', now);
					setCookie('live_checked_times', checkedTimes + 1);
				}
			}
		});

		$("#live_check").fadeOut().remove();
	}
</script>