add page to plan a pitstop

app/entities.py

@@ -190,6 +190,11 @@ class FillingStation(db.Model):
     brand = db.Column(db.Text(), nullable=False)
     lat = db.Column(db.Numeric(2, 5), nullable=False)
     lng = db.Column(db.Numeric(2, 5), nullable=False)
+    last_update = db.Column(db.DateTime)
+    diesel = db.Column(db.Numeric(10, 3), default=0)
+    e5 = db.Column(db.Numeric(10, 3), default=0)
+    e10 = db.Column(db.Numeric(10, 3), default=0)
+    open = db.Column(db.Boolean())
 
     def as_dict(self):
         res = {}

app/routes/__init__.py

@@ -3,3 +3,4 @@ from .admin import *
 from .misc import *
 from .pitstop import *
 from .service import *
+from .filling_stations import *

app/routes/pitstop.py

@@ -6,9 +6,8 @@ from datetime import date
 
 from ..entities import Vehicle, Consumable, Pitstop
 from ..forms import SelectVehicleForm, SelectConsumableForm, CreatePitstopForm, EditPitstopForm, DeletePitStopForm
-from ..tools import db_log_update, db_log_delete, db_log_add, get_latest_pitstop_for_vehicle, \
+from ..tools import db_log_update, db_log_delete, db_log_add, pitstop_service_key, \
-    get_latest_pitstop_for_vehicle_and_consumable, compute_lower_limits_for_new_pitstop, pitstop_service_key, \
+    get_event_line_for_vehicle, update_filling_station_prices
-    get_event_line_for_vehicle
 from .. import app, db
 
 
@@ -50,6 +49,27 @@ def select_consumable_for_new_pitstop(vid):
     return render_template('selectConsumableForVehicle.html', vehicle=vehicle, form=form)
 
 
+@app.route('/pitstops/vehicle/<int:vid>/consumable/<int:cid>/plan', methods=['GET', 'POST'])
+@login_required
+def plan_pit_stop_form(vid, cid):
+    vehicle = Vehicle.query.get(vid)
+    if vehicle is None or vehicle not in current_user.vehicles:
+        return redirect(url_for('select_vehicle_for_new_pitstop'))
+
+    consumable = Consumable.query.get(cid)
+    if consumable not in vehicle.consumables:
+        return redirect(url_for('select_consumable_for_new_pitstop', vid=vid))
+
+    update_filling_station_prices([x.id for x in current_user.favourite_filling_stations])
+
+    offers = []
+    for fs in current_user.favourite_filling_stations:
+        if fs.open:
+            offers.append((fs, getattr(fs, consumable.ext_id),))
+
+    return render_template('planPitStopForm.html', vehicle=vehicle, consumable=consumable, offers=offers)
+
+
 @app.route('/pitstops/vehicle/<int:vid>/consumable/<int:cid>/create', methods=['GET', 'POST'])
 @login_required
 def create_pit_stop_form(vid, cid):

app/templates/planPitStopForm.html

@@ -0,0 +1,50 @@
+{% extends "layout.html" %}
+
+{% block body %}
+<div class="col-md-2" ></div>
+<div class="col-md-8">
+    <div class="panel panel-default">
+        <div class="panel-body">
+            <h3>Plan Pitstop for '{{ vehicle.name }}'</h3>
+            Price comparision for {{ consumable.name }}:
+            <div class="table-responsive">
+                <table id="compare" class="table table-striped table-bordered table-condensed tablesorter">
+                    <thead>
+                        <tr>
+                            <th>Filling Station</th>
+                            <th>Price/{{ consumable.unit }}</th>
+                        </tr>
+                    </thead>
+                    <tbody>
+                        {% for offer in offers %}
+                            <tr>
+                                <td>
+                                    <div class="row filling_station_info" style="border: 0px">
+                                        <div class="col-md-8">
+                                            <div>{{ offer[0].name }}</div>
+                                            <div>{{ offer[0].street }} {{ offer[0].houseNumber }}</div>
+                                            <div>{{ offer[0].postCode }} {{ offer[0].place }}</div>
+                                        </div>
+                                        <div class="col-md-4" style="height: 60px;">
+                                            <img src="/static/logos/{{ offer[0].brand|lower }}.png">
+                                        </div>
+                                    </div>
+                                </td>
+                                <td>
+                                    {{ offer[1] }} €/{{ consumable.unit }}
+                                </td>
+                            </tr>
+                        {% endfor %}
+                    </tbody>
+                </table>
+            </div>
+        </div>
+    </div>
+</div>
+<script>
+    $(document).ready(function() {
+        $("#compare").tablesorter({sortList: [[1,0]]});
+    });
+</script>
+<div class="col-md-2" ></div>
+{% endblock %}

app/tools.py

@@ -1,7 +1,10 @@
+from sqlalchemy import or_
+import requests
 import logging
-from datetime import date
+from datetime import date, datetime, timedelta
 
-from .entities import Pitstop
+from .entities import Pitstop, FillingStation
+from . import db, app
 
 
 class ConsumableStats:
@@ -34,7 +37,7 @@ class ConsumableStats:
                 self.average_amount.append(
                     StatsEvent(
                         current_ps.date,
-                        round(100 * current_ps.amount/(current_ps.odometer - last_ps.odometer), 2)))
+                        round(100 * current_ps.amount / (current_ps.odometer - last_ps.odometer), 2)))
 
 
 class VehicleStats:
@@ -104,9 +107,9 @@ def get_latest_pitstop_for_vehicle(vehicle_id):
     :param vehicle_id: the id of the vehicle
     :return: the latest pitstop or None if no pitstop exists
     """
-    latest_pitstop = Pitstop.query\
+    latest_pitstop = Pitstop.query \
-        .filter(Pitstop.vehicle_id == vehicle_id)\
+        .filter(Pitstop.vehicle_id == vehicle_id) \
-        .order_by(Pitstop.id.desc())\
+        .order_by(Pitstop.id.desc()) \
         .first()
     return latest_pitstop
 
@@ -118,10 +121,10 @@ def get_latest_pitstop_for_vehicle_and_consumable(vehicle_id, consumable_id):
     :param consumable_id: the id of the consumable
     :return: the latest pitstop or None if no pitstop exists
     """
-    latest_pitstop_consumable = Pitstop.query\
+    latest_pitstop_consumable = Pitstop.query \
-        .filter(Pitstop.vehicle_id == vehicle_id)\
+        .filter(Pitstop.vehicle_id == vehicle_id) \
-        .filter(Pitstop.consumable_id == consumable_id)\
+        .filter(Pitstop.consumable_id == consumable_id) \
-        .order_by(Pitstop.id.desc())\
+        .order_by(Pitstop.id.desc()) \
         .first()
     return latest_pitstop_consumable
 
@@ -150,33 +153,6 @@ def compute_lower_limits_for_new_pitstop(latest_pitstop, last_pitstop_consumable
     return Pitstop(odometer, amount, date_of_pitstop, costs, consumable_id)
 
 
-    # if latest_pitstop is not None:
-    #     if last_pitstop_consumable is not None and last_pitstop_consumable != latest_pitstop:
-    #         if latest_pitstop.id > last_pitstop_consumable.id:
-    #             return Pitstop(latest_pitstop.odometer,
-    #                            last_pitstop_consumable.overall_amount,
-    #                            latest_pitstop.date,
-    #                            last_pitstop_consumable.costs,
-    #                            consumable_id)
-    #         else:
-    #             return Pitstop(last_pitstop_consumable.odometer,
-    #                            last_pitstop_consumable.overall_amount,
-    #                            last_pitstop_consumable.date,
-    #                            last_pitstop_consumable.costs,
-    #                            consumable_id)
-    #     else:
-    #         # either only one pitstop exists or both are the same
-    #         litres = 0
-    #         costs = 0
-    #         if latest_pitstop.consumable_id == last_pitstop_consumable.consumable_id:
-    #             litres = latest_pitstop.overall_amount
-    #             costs = latest_pitstop.costs
-    #         return Pitstop(latest_pitstop.odometer, litres, latest_pitstop.date, costs, consumable_id)
-    # else:
-    #     # No existing pitstop at all: insert fake data
-    #     return Pitstop(0, 0, date(1970, 1, 1), 0, None)
-
-
 def pitstop_service_key(x):
     return x.odometer, x.date
 
@@ -189,3 +165,34 @@ def get_event_line_for_vehicle(vehicle):
         data.append(service)
     data.sort(key=pitstop_service_key)
     return data
+
+
+def update_filling_station_prices(ids):
+    max_age = (datetime.now() - timedelta(minutes=15)).strftime('%Y-%m-%d %H:%M')
+
+    res = db.session. \
+        query(FillingStation). \
+        filter(FillingStation.id.in_(ids)). \
+        filter(or_(FillingStation.last_update==None, FillingStation.last_update < max_age)).\
+        all()
+
+    if len(res) > 0:
+        map = {x.id:x for x in res}
+        query_ids = [x.id for x in res]
+        api_key = app.config['TANKERKOENIG_API_KEY']
+        url = 'https://creativecommons.tankerkoenig.de/json/prices.php'
+        params = {
+            'apikey': api_key, 'ids': ','.join(query_ids)
+        }
+        response = requests.get(url, params=params)
+        prices = response.json()['prices']
+        for price in prices:
+            id = price
+            station_status = prices[id]
+            print(id, station_status)
+            map[id].diesel = station_status['diesel']
+            map[id].e10 = station_status['e10']
+            map[id].e5 = station_status['e5']
+            map[id].open = station_status['status'] == 'open'
+            map[id].last_update = datetime.now()
+        db.session.commit()