adds delete feature for last pitstop

Adds the possibility to delete the latest pitstop after a
confirmation page.

app/rollerverbrauch/__init__.py

@@ -29,7 +29,8 @@ from rollerverbrauch.forms import \
     EditVehicleForm, \
     DeleteVehicleForm, \
     SelectVehicleForm, \
-    DeleteAccountForm
+    DeleteAccountForm, \
+    DeletePitStopForm
 
 from rollerverbrauch.entities import \
     User, \
@@ -208,6 +209,26 @@ def create_pit_stop_form(vid):
     return render_template('newPitStopForm.html', form=form, vehicle=vehicle, messages = messages)
 
 
+@app.route('/pitstops/delete/<int:pid>', methods=['GET', 'POST'])
+@login_required
+def delete_pit_stop_form(pid):
+    pitstop = Pitstop.query.filter(Pitstop.id == pid).first()
+    if pitstop is None:
+        return redirect(url_for('get_pit_stops'))
+    vehicle = Vehicle.query.filter(Vehicle.id == pitstop.vehicle_id).first()
+    if vehicle not in current_user.vehicles:
+        return redirect(url_for('get_pit_stops'))
+
+    form = DeletePitStopForm()
+    if form.validate_on_submit():
+        db.session.delete(pitstop)
+        db.session.commit()
+        tools.db_log_delete(pitstop)
+        return redirect(url_for('get_pit_stops', _anchor='v' + str(vehicle.id)))
+
+    return render_template('deletePitstopForm.html', form=form, pitstop=pitstop )
+
+
 @app.route('/pitstops', methods=['GET'])
 @login_required
 def get_pit_stops():

app/rollerverbrauch/forms.py

@@ -54,3 +54,7 @@ class DeleteVehicleForm(Form):
 
 class DeleteAccountForm(Form):
     submit = SubmitField(label='Really delete my account!')
+
+
+class DeletePitStopForm(Form):
+    submit = SubmitField(label='Really delete this pitstop!')

app/rollerverbrauch/templates/deletePitstopForm.html

@@ -0,0 +1,35 @@
+{% 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>Delete pitstop?</h3>
+            <table style='width: 100%'>
+                <tr>
+                    <th style='text-align:right'>Date of Pitstop</th>
+                    <td style='text-align: left'>{{ pitstop.date }}</td>
+                </tr>
+                <tr>
+                    <th style='text-align:right'>Odometer</th>
+                    <td style='text-align: left'>{{ pitstop.odometer }} km</td>
+                </tr>
+                <tr>
+                    <th style='text-align:right'>Litres</th>
+                    <td style='text-align: left'>{{ pitstop.litres }} l</td>
+                </tr>
+                <tr>
+                    <th style='text-align:right'>Costs (overall)</th>
+                    <td style='text-align: left'>{{ pitstop.costs }} €</td>
+                </tr>
+            </table>
+            <form class='form-horizontal' method='POST'>
+                {{ form.hidden_tag() }}
+                {{ render_field_with_errors(form.submit) }}
+            </form>
+        </div>
+    </div>
+</div>
+<div class='col-md-2' ></div>
+{% endblock %}

app/rollerverbrauch/templates/pitstops.html

@@ -58,6 +58,15 @@
                                                 {{ (pitstop.costs / pitstop.litres) | round(2) }} €/l
                                             </td>
                                         </tr>
+                                        {% if loop.first %}
+                                            <tr class='pitstop'>
+                                                <td colspan='4'>
+                                                    <a href="{{ url_for('delete_pit_stop_form', pid=pitstop.id) }}" class="btn btn-primary btn-warning ">
+                                                        <span class="glyphicon glyphicon-trash" aria-hidden="true"></span> delete
+                                                    </a>
+                                                </td>
+                                            </tr>
+                                        {% endif %}
                                     {% else %}
                                         <tr class='pitstop'>
                                             <td>