consumables for vehicles can be edited

app/rollerverbrauch/__init__.py

@@ -120,12 +120,22 @@ def edit_vehicle(vid):
         return redirect(url_for('get_account_page'))
 
     form = EditVehicleForm()
+    form.consumables.choices = [(g.id, g.name) for g in Consumable.query.all()]
+
+    if not form.consumables.data:
+        form.consumables.default = [g.id for g in vehicle.consumables]
 
     if form.name.data is not None:
         form.name.default = form.name.data
 
     if form.validate_on_submit():
         vehicle.name = form.name.data
+        # we cannot delete consumables where there are pitstops for => report error
+        vehicle.consumables = []
+        for consumable_id in  form.consumables.data:
+            consumable = Consumable.query.get(consumable_id)
+            if consumable is not None:
+                vehicle.consumables.append(consumable)
         try:
             db.session.commit()
             tools.db_log_update(vehicle)
@@ -167,13 +177,25 @@ def delete_vehicle(vid):
 @login_required
 def create_vehicle():
     form = EditVehicleForm()
+    form.consumables.choices = [(g.id, g.name) for g in Consumable.query.all()]
 
     if form.name.data is not None:
         form.name.default = form.name.data
 
+    if form.consumables.data:
+        form.consumables.default = form.consumables.data
+
     if form.validate_on_submit():
+        if len(form.consumables.data) == 0:
+            form.consumables.errors.append('At least one consumable must be selected.')
+            return render_template('createVehicleForm.html', form=form)
+
         vehicle_name = form.name.data
         new_vehicle = Vehicle(vehicle_name)
+        for consumable_id in form.consumables.data:
+            consumable = Consumable.query.get(consumable_id)
+            if consumable is not None:
+                new_vehicle.consumables.append(consumable)
         db.session.add(new_vehicle)
         current_user.vehicles.append(new_vehicle)
         try:
@@ -274,7 +296,7 @@ def edit_pit_stop_form(pid):
     if last_pitstop_pos > 0:
         last_pitstop = vehicle.pitstops[last_pitstop_pos]
     else:
-        last_pitstop = Pitstop(0, 0, date(1970, 1, 1))
+        last_pitstop = Pitstop(0, 0, date(1970, 1, 1), 0, 0)
 
     form = EditPitstopForm()
     form.set_pitstop(last_pitstop)
@@ -320,7 +342,7 @@ def get_admin_page():
     users = User.query.all()
     consumables = Consumable.query.all()
     for consumable in consumables:
-        consumable.in_use = Pitstop.query.filter(Pitstop.consumable_id == consumable.id).count() > 0
+        consumable.in_use = len(consumable.vehicles) > 0
     return render_template('admin.html', users=users, consumables=consumables)
 
 

app/rollerverbrauch/entities.py

@@ -50,8 +50,7 @@ class Vehicle(db.Model):
     )
     consumables = db.relationship(
         'Consumable',
-        secondary=vehicles_consumables,
-        backref=db.backref('consumes', lazy='dynamic')
+        secondary=vehicles_consumables
     )
     __table_args__ = (db.UniqueConstraint('owner_id', 'name', name='_owner_name_uniq'),)
 
@@ -88,6 +87,10 @@ class Consumable(db.Model):
     id = db.Column(db.Integer, primary_key=True)
     name = db.Column(db.String(255), unique=True)
     unit = db.Column(db.String(255))
+    vehicles = db.relationship(
+        'Vehicle',
+        secondary=vehicles_consumables
+    )
 
     def __init__(self, name, unit):
         self.name = name

app/rollerverbrauch/forms.py

@@ -27,7 +27,7 @@ def costs_check(form, field):
 
 
 def edit_costs_check(form, field):
-    costs_check_required = (form.costs.default  is not None and form.costs.default > 0)
+    costs_check_required = (form.costs.default is not None and form.costs.default > 0)
     if costs_check_required and field.data is not None and field.data <= 0:
         raise ValidationError('Costs must be above 0.01 €.')
 
@@ -51,7 +51,7 @@ class CreatePitstopForm(Form):
 
 class EditVehicleForm(Form):
     name = StringField('Name', validators=[Length(1, 255)])
-    #consumables = SelectMultipleField('Consumables')
+    consumables = SelectMultipleField('Consumables', coerce=int,validators=[])
     submit = SubmitField(label='Do it!')
 
 

app/rollerverbrauch/templates/account.html

@@ -36,7 +36,8 @@
                             {{ vehicle.name }}
                         </td>
                         <td>
-                            {{ vehicle.pitstops | length }} pitstops
+                            {{ vehicle.pitstops | length }} pitstops<br />
+                            {{ vehicle.consumables | length }} consumables
                         </td>
                         <td>
                             <a href="{{ url_for('edit_vehicle', vid=vehicle.id) }}" class="btn btn-primary " role="button">

app/rollerverbrauch/templates/admin.html

@@ -29,6 +29,9 @@
                     <th>
                         Unit
                     </th>
+                    <th>
+                        Used by
+                    </th>
                     <th>
                         Actions
                     </th>
@@ -42,14 +45,17 @@
                             {{ consumable.unit }}
                         </td>
                         <td>
-                            <a href="{{ url_for('edit_consumable', cid=consumable.id) }}" class="btn btn-primary " role="button">
-                                <span class="glyphicon glyphicon-pencil" aria-hidden="true"></span> edit
-                            </a>
+                            {{ consumable.vehicles | length }} vehicles
+                        </td>
+                        <td>
                             {% if not consumable.in_use %}
                                 <a href="{{ url_for('delete_consumable', cid=consumable.id) }}"  class="btn btn-primary btn-warning " role="button">
                                     <span class="glyphicon glyphicon-trash" aria-hidden="true"></span> delete
                                 </a>
                             {% endif %}
+                            <a href="{{ url_for('edit_consumable', cid=consumable.id) }}" class="btn btn-primary " role="button">
+                                <span class="glyphicon glyphicon-pencil" aria-hidden="true"></span> edit
+                            </a>
                         </td>
                     </tr>
                 {% endfor %}

app/rollerverbrauch/templates/createVehicleForm.html

@@ -9,6 +9,7 @@
             <form class='form-horizontal' method="POST">
                 {{ form.hidden_tag() }}
                 {{ render_field_with_errors(form.name) }}
+                {{ render_field_with_errors(form.consumables) }}
                 {{ render_field_with_errors(form.submit) }}
             </form>
         </div>

app/rollerverbrauch/templates/editVehicleForm.html

@@ -9,6 +9,7 @@
             <form class='form-horizontal' method="POST">
                 {{ form.hidden_tag() }}
                 {{ render_field_with_errors(form.name) }}
+                {{ render_field_with_errors(form.consumables) }}
                 {{ render_field_with_errors(form.submit) }}
             </form>
         </div>