Optimized time-based stats

db_schema.sql

@@ -128,6 +128,7 @@ CREATE TABLE IF NOT EXISTS `log` (
 	`ip` varchar(64),
 	`id` varchar(64),
 	`time` datetime NOT NULL,
+	`date` datetime NOT NULL,
 	`source` varchar(8),
 	`object` varchar(10),
 	`obj_id` INTEGER,

server.py

@@ -552,7 +552,7 @@ def auth(): # For use with nginx auth_request
 		password = auth.password
 	if checkperm(perms, username=username, password=password):
 		try:
-			modify('INSERT INTO log (ip, id, `time`, object, obj_id, path) VALUES (?, ?, ?, "video", ?, ?)', ip, cookie, datetime.now(), perms[0]['vid'], url)
+			modify('INSERT INTO log (ip, id, `time`, `date`, object, obj_id, path) VALUES (?, ?, ?, "video", ?, ?)', ip, cookie, datetime.now(), datetime.combine(date.today(), time()), perms[0]['vid'], url)
 		except:
 			pass
 		r = make_response('OK', 200)

stats.py

@@ -36,46 +36,35 @@ def stats_generic(req, param=None):
 		res['y'].append(row['y'])
 	return Response(json.dumps(res, default=plotly_date_handler),  mimetype='application/json')
 
-@app.route('/stats/viewsperday')
-@mod_required
-def stats_viewsperday():
-	start = None
-	end = None
-	courseid = request.args.get('course', None)
-	lectureid = request.args.get('lecture', None)
-	videoid = request.args.get('video', None)
-	rows = query('''SELECT log.id AS id, log.time AS time, formats.description AS fmt
-			FROM log
-			JOIN videos ON (videos.id = log.obj_id)
-			JOIN lectures ON (lectures.id = videos.lecture_id)
-			JOIN courses ON (courses.id = lectures.course_id)
-			JOIN formats ON (formats.id = videos.video_format)
-			WHERE (? OR courses.id = ?) AND (? OR lectures.id = ?) AND (? OR videos.id = ?)''',
-			courseid == None, courseid, lectureid == None, lectureid, videoid == None, videoid)
+@app.route('/stats/viewsperday/<req>')
+@app.route('/stats/viewsperday/<req>/<param>')
+def stats_viewsperday(req, param=None):
+	queries = {
+		'lecture': '(SELECT log.date AS date, formats.description AS trace, COUNT(DISTINCT log.id) AS y FROM log JOIN videos ON videos.id = log.obj_id JOIN formats ON formats.id = videos.video_format WHERE videos.lecture_id = ? GROUP BY log.date, videos.video_format) UNION (SELECT log.date AS date, "total" AS trace, COUNT(DISTINCT log.id) AS y FROM log JOIN videos ON videos.id = log.obj_id WHERE videos.lecture_id = ? GROUP BY log.date)',
+		'course': '(SELECT log.date AS date, formats.description AS trace, COUNT(DISTINCT log.id) AS y FROM log JOIN videos ON videos.id = log.obj_id JOIN lectures ON lectures.id = videos.lecture_id JOIN formats ON formats.id = videos.video_format WHERE lectures.course_id = ? GROUP BY log.date, videos.video_format) UNION (SELECT log.date AS date, "total" AS trace, COUNT(DISTINCT log.id) AS y FROM log JOIN videos ON videos.id = log.obj_id JOIN lectures ON lectures.id = videos.lecture_id WHERE lectures.course_id = ? GROUP BY log.date)',
+		'global': '(SELECT log.date AS date, formats.description AS trace, COUNT(DISTINCT log.id) AS y FROM log JOIN videos ON videos.id = log.obj_id JOIN formats ON formats.id = videos.video_format GROUP BY log.date, videos.video_format) UNION (SELECT log.date AS date, "total" AS trace, COUNT(DISTINCT log.id) AS y FROM log GROUP BY log.date)',
+		'courses': 'SELECT log.date AS date, courses.handle AS trace, COUNT(DISTINCT log.id) AS y FROM log JOIN videos ON videos.id = log.obj_id JOIN lectures ON lectures.id = videos.lecture_id JOIN courses ON courses.id = lectures.course_id GROUP BY log.date, courses.id'
+	}
+	if req not in queries:
+		return 404, 'Not found!'
+	rows = query(queries[req], *(queries[req].count('?')*[param]))
+	traces = set()
 	data = {}
-	if not end:
-		end = date.today()
-	first = None
-	fmts = ['total']
-	for e in rows:
-		key = e['time'].date()
-		if not first or key < first:
-			first = key
-		if key not in data:
-			data[key] = {'total': set()}
-		if e['fmt'] not in data[key]:
-			data[key][e['fmt']] = set()
-		data[key]['total'].add(e['id'])
-		data[key][e['fmt']].add(e['id'])
-		if e['fmt'] not in fmts:
-			fmts.append(e['fmt'])
-	if not start:
-		start = first
-	res = {'times': [], 'views': [{'name': name, 'vals': []} for name in fmts]}
+	start = None
+	for row in rows:
+		if not start or row['date'] < start:
+			start = row['date']
+		traces.add(row['trace'])
+		if row['date'] not in data:
+			data[row['date']] = {}
+		data[row['date']][row['trace']] = row['y']
+	end = date.today()
+	x = []
+	y = [{'name': trace, 'vals': []} for trace in traces]
 	while start and start <= end:
-		res['times'].append(start.isoformat())
-		for d in res['views']:
-			d['vals'].append(len(data.get(start, {}).get(d['name'], set())))
+		x.append(start)
+		for trace in y:
+			trace['vals'].append(data.get(start, {}).get(trace['name'], 0))
 		start += timedelta(days=1)
-	return Response(json.dumps(res, default=date_json_handler),  mimetype='application/json')
+	return Response(json.dumps({'times': x, 'views': y}, default=plotly_date_handler),  mimetype='application/json')
 

templates/course.html

@@ -48,7 +48,7 @@
 			</table>
 		</div>
 		<div id="statview" class="col-xs-6" style="height:600px"></div>
-		{{stats_viewsperday("statview", "Abrufe pro Tag", course=course.id)}}
+		{{stats_viewsperday("statview", "course", "Abrufer pro Tag", param=course.id)}}
 		<div id="lecture_views" class="col-xs-6" style="height:600px"></div>
 		{{stats_generic("lecture_views", "lecture_views", "Abrufe pro Aufnahme", param=course.id, type="bar")}}
 		{% endif %}

templates/lecture.html

@@ -60,7 +60,7 @@
 					</table>
 				</div>
 				<div id="statview" class="col-xs-12" style="height:600px"></div>
-				{{stats_viewsperday("statview", "Abrufe pro Tag", lecture=lecture.id)}}
+				{{stats_viewsperday("statview", "lecture", "Abrufer pro Tag", param=lecture.id)}}
 			{% endif %}
 		</div>
 	</div>

templates/macros.html

@@ -246,20 +246,33 @@ $('#embedcodebtn').popover(
 
 {% macro vtttime(time) %}{{ '%02d:%02d:%02d.000'|format( time//3600, (time//60)%60, time%60) }}{% endmacro %}
 
-{% macro stats_viewsperday(id, title, type="scatter", course=None, lecture=None, video=None) %}
+{% macro stats_viewsperday(id, req, title, type="scatter", param=None, maxtraces=7) %}
 <script>
 	$.ajax({
 		method: "GET",
-		url: "{{url_for('stats_viewsperday', course=course, lecture=lecture, video=video)}}",
+		url: "{{url_for('stats_viewsperday', req=req, param=param)}}",
 		dataType: "json",
 		error: moderator.api.handleapierror,
 		success: function (data) {
 			var traces = [];
-			for (var i = 1; i < data.views.length; i++) {
-				traces.push({"x": data.times, "y": data.views[i].vals, "type": "{{type}}", "name": data.views[i].name, line: {"width": 1}});
+			for (var i = 0; i < data.views.length; i++) {
+				if (data.views[i].name == 'total' && data.views.length > 2)
+					traces.push({"x": data.times, "y": data.views[i].vals, "type": "{{type}}", "name": "gesamt", line: {"color": "black", "width": 2}});
+				else
+					traces.push({"x": data.times, "y": data.views[i].vals, "type": "{{type}}", "name": data.views[i].name, line: {"width": 1}});
 			}
-			if (data.views.length > 2)
-				traces.push({"x": data.times, "y": data.views[0].vals, "type": "{{type}}", "name": "gesamt", line: {"color": "black", "width": 2}});
+			traces.sort(function (a, b) {
+				amax = 0;
+				bmax = 0;
+				for (var i = 0; i < a.y.length; i++)
+					amax = Math.max(amax, a.y[i]);
+				for (var i = 0; i < b.y.length; i++)
+					bmax = Math.max(bmax, b.y[i]);
+				return bmax-amax;
+			});
+			for (var i = 0; i < traces.length; i++)
+				if (i > {{maxtraces}})
+					traces[i].visible = "legendonly";
 			var layout = {
 				"title": "{{title}}",
 				"showlegend": (traces.length != 1)

templates/stats.html

@@ -27,7 +27,9 @@
 				<div id="categories_lectures" class="col-xs-6" style="height:600px"></div>
 				{{stats_pie("categories_lectures", "categories_lectures", "Aufnahmen nach Kategorie", showlegend=False)}}
 				<div id="statview" class="col-xs-12" style="height:600px"></div>
-				{{stats_viewsperday("statview", "Abrufe pro Tag")}}
+				{{stats_viewsperday("statview", "global", "Abrufer pro Tag")}}
+				<div id="courseviewsperday" class="col-xs-12" style="height:600px"></div>
+				{{stats_viewsperday("courseviewsperday", "courses", "Abrufer pro Tag")}}
 			</div>
 	i	</div>
 	</div>