added view counter per lecture

templates/course.html

@@ -83,4 +83,23 @@
 		{% endfor %}
 	</ul>
 </div>
+
+<script>
+$.ajax({
+	method: "GET",
+	url: "{{url_for('stats_generic', req="lecture_views", param=course.id)}}",
+	dataType: "json",
+	success: function (traces) {
+		var dates={};
+		var t = traces[0]
+		for (var i=0; i<t.x.length; i++) {
+			dates[t.x[i]] = t.y[i];
+		}
+		var counter = $(".viewcounter");
+		for (var i=0; i<counter.length; i++) {
+			$(counter[i]).text(dates[$(counter[i]).data("lecturedate")]);
+		}
+	}
+});
+</script>
 {% endblock %}

templates/macros.html

@@ -226,7 +226,9 @@ $('#embedcodebtn').popover(
 				<li>Hörsaal: {{ moderator_editor(['lectures',lecture.id,'place'], lecture.place) }} </li>
 				{% endif %}
 			</ul>
-			<ul class="list-inline col-sm-4 col-xs-12">
+			<ul class="col-sm-4 col-xs-12 list-unstyled">
+				<li>
+					<ul class="list-inline">
 						<li class="dropdown">
 							{{ video_download_btn(videos) }}
 						</li>
@@ -237,6 +239,13 @@ $('#embedcodebtn').popover(
 							{{ moderator_delete(['lectures',lecture.id,'deleted']) }}
 						</li>
 					</ul>
+				</li>
+				{% if ismod() %}
+				<li class="pull-right">
+					<p>Zuschauer: <span data-lectureid="{{ lecture.id }}" data-lecturedate="{{ lecture.time }}" class="viewcounter">loading...</span></p>
+				</li>
+				{% endif %}
+			</ul>
 		{% else %}
 			<div class="col-sm-2 col-xs-12">
 			</div>