added a first statistic for a test

server.py

@@ -539,12 +539,6 @@ def auth(): # For use with nginx auth_request
 		return Response("Login required", 401, {'WWW-Authenticate': 'Basic realm="Login Required"'})
 	return "Not allowed", 403
 
-@app.route('/stats')
-@register_navbar('Statistiken', icon='stats')
-@mod_required
-def stats():
-	return render_template('stats.html')
-
 @app.route('/changelog')
 @register_navbar('Changelog', icon='book')
 @mod_required
@@ -609,6 +603,7 @@ def sitemap():
 
 import feeds
 import importer
+import stats
 import sorter
 if 'ICAL_URL' in config:
 	import meetings

stats.py

+from server import *
+import json
+
+@app.route('/stats')
+@register_navbar('Statistiken', icon='stats')
+@mod_required
+def stats():
+	return render_template('stats.html')
+
+
+statsqueries = {}
+statsqueries['course_count'] = "SELECT count(id) as count, semester FROM courses GROUP BY semester;"
+
+@app.route('/stats/data/<dataname>')
+@app.route('/stats/data/<dataname>/<parameter>')
+@mod_required
+def stats_data(dataname, parameter=None):
+	if parameter:
+		data = query(statsqueries[dataname],parameter)
+	else:
+		data = query(statsqueries[dataname])
+	return Response(json.dumps(data),  mimetype='application/json')

templates/base.html

@@ -25,7 +25,9 @@
 		<script src="{{url_for('static', filename='jquery.js')}}"></script>
 		<script src="{{url_for('static', filename='bootstrap/bootstrap.js')}}"></script>
 		<script src="{{url_for('static', filename='js.cookie.js')}}"></script>
-		{%if ismod() %}<script src="{{url_for('static', filename='moderator.js')}}"></script>{% endif %}
+		{%if ismod() %}
+		<script src="{{url_for('static', filename='moderator.js')}}"></script>
+		{% endif %}
 		<script src="{{url_for('static', filename='videojs/video.js')}}"></script>
 		<script src="{{url_for('static', filename='videojs/ie8/videojs-ie8.js')}}"></script>
 		<script src="{{url_for('static', filename='videojs/videojs-resolution-switcher.js')}}"></script>

templates/stats.html

 {% from 'macros.html' import preview %}
 {% extends "base.html" %}
+
+{% block header %}
+{{ super() }}
+		<script src="{{url_for('static', filename='plotly.min.js')}}"></script>
+{% endblock %}
+
 {% block content %}
 <div class="panel-group">
 	<div class="panel panel-default">
@@ -7,6 +13,29 @@
 			<h1 class="panel-title">Statistiken</h1>
 		</div>
 		<div class="panel-body">
+			<div id="tester" style="width:600px;height:600px;"></div>
+			<script>
+				$.ajax({
+					method: "GET",
+					url: "/stats/data/course_count",
+					dataType: "json",
+					error: moderator.api.handleapierror,
+					success: function (data) {
+						console.log(data);
+						var semester = [];
+						var y = [];
+						var x = []
+						for (var i=0; i < data.length; i++) {
+							semester.push(data[i].semester);
+							y.push(data[i].count);
+							x.push(i);
+						}
+						var trace = {"y": y, "x": semester, "type": "scatter"};
+						console.log(trace);
+						Plotly.newPlot('tester', [trace]);
+					}
+				});
+			</script>
 		</div>
 	</div>
 </div>