dockerized it

app/main.py

@@ -5,9 +5,10 @@ from flask import render_template
 from flask import url_for
 from flask import request, redirect, g
 from contextlib import closing
+import os, os.path
 
 app = Flask(__name__)
-DATABASE = '/tmp/rollerverbrauch.db'
+DATABASE = '/data/rollerverbrauch.db'
 DEBUG = True
 SECRET_KEY = 'development key'
 USERNAME = 'admin'
@@ -21,7 +22,9 @@ def connect_db():
 def init_db():
     with closing(connect_db()) as db:
         with app.open_resource('schema.sql', mode='r') as f:
-            db.cursor().executescript(f.read())
+            sql_commands = f.read()
+            print(sql_commands)
+            db.cursor().executescript(sql_commands)
         db.commit()
 
 @app.before_request
@@ -62,6 +65,34 @@ def getPitStops():
     data = {'pitstops': preparePitStops(getAllPitStops())}
     return render_template('pitstops.html', data=data)
 
+@app.route('/statistics', methods=['GET'])
+def getStatistics():
+    pitstops = getAllPitStops()
+    count = len(pitstops)
+    distance = 0
+    sumLitres = 0
+    averageDistance = 0
+    averageLitresFuelled = 0
+    averageLitresUsed = 0
+    count = len(pitstops)
+    if len(pitstops) > 0:
+        sumLitres = 0
+        for pitstop in pitstops:
+            sumLitres += pitstop['litres']
+        averageLitresFuelled = round(sumLitres/count, 2)
+    if len(pitstops) > 1:
+        distance = pitstops[-1]['odometer'] - pitstops[0]['odometer']
+        averageDistance = round(distance/(count - 1), 2)
+        averageLitresUsed = round(100 * (sumLitres-pitstops[0]['litres'])/distance, 2)
+    data = {
+            'distance':distance,
+            'count': count,
+            'litres': round(sumLitres, 2),
+            'averageDistance': averageDistance,
+            'averageListresFuelled': averageLitresFuelled,
+            'averageListresUsed': averageLitresUsed}
+    return render_template('statistics.html', data=data)
+
 def preparePitStops(pitstops):
     for index in range(1, len(pitstops)):
         last = pitstops[index - 1]
@@ -92,4 +123,6 @@ def addPitStop(date, odometer, litres):
 
 
 if __name__ == '__main__':
+    if not os.path.isfile(DATABASE) or os.stat(DATABASE).st_size == 0:
+        init_db()
     app.run(debug=True, host='0.0.0.0')

app/templates/newPitStopForm.html

@@ -3,6 +3,7 @@
 {% block navigation %}
 	<li><a href='{{ url_for('getPitStops') }}'>Home</a></li>
 	<li><a href='{{ url_for('createPitStopForm') }}' class="active">Create Pitstop</a></li>
+	<li><a href='{{ url_for('getStatistics') }}'>Statistics</a></li>
 {% endblock %}	
 
 {% block body %}

app/templates/pitstops.html

@@ -3,6 +3,7 @@
 {% block navigation %}
 	<li><a href='{{ url_for('getPitStops') }}' class="active">Home</a></li>
 	<li><a href='{{ url_for('createPitStopForm') }}'>Create Pitstop</a></li>
+	<li><a href='{{ url_for('getStatistics') }}'>Statistics</a></li>
 {% endblock %}	
 
 {% block body %}
@@ -49,5 +50,5 @@
 				</td>
 			</tr>
 		{% endfor %}
-	</table
+	</table>
 {% endblock %}	

app/templates/statistics.html

@@ -0,0 +1,36 @@
+{% extends "layout.html" %}
+
+{% block navigation %}
+	<li><a href='{{ url_for('getPitStops') }}'>Home</a></li>
+	<li><a href='{{ url_for('createPitStopForm') }}'>Create Pitstop</a></li>
+	<li><a href='{{ url_for('getStatistics') }}' class="active">Statistics</a></li>
+{% endblock %}	
+
+{% block body %}
+	<table>
+		<tr>
+			<th>Number of Pitstops:</th>
+			<td>{{ data.count }}</td>
+		</tr>
+		<tr>
+			<th>Logged Distance:</th>
+			<td>{{ data.distance }} km</td>
+		</tr>
+		<tr>
+			<th>Average Distance:</th>
+			<td>{{ data.averageDistance }} km</td>
+		</tr>
+		<tr>
+			<th>Litres fuelled:</th>
+			<td>{{ data.litres }} l</td>
+		</tr>
+		<tr>
+			<th>Average Litres fuelled:</th>
+			<td>{{ data.averageListresFuelled }} l</td>
+		</tr>
+		<tr>
+			<th>Average Litres used:</th>
+			<td>{{ data.averageListresUsed }} l/100km</td>
+		</tr>
+	</table>
+{% endblock %}