Rend le calendrier plus dynamique

Plus besoin de s'authentifier pour accéder au calendrier : il suffit
d'entrer la bonne url qui contient un token aléatoire propre à chaque
utilisateur.
Ce token ne change pas lorsqu'on modifie son inscription

gestioncof/forms.py

@@ -346,4 +346,4 @@ class CalendarForm(forms.ModelForm):
 
     class Meta:
         model = CalendarSubscription
-        exclude = ['user']
+        exclude = ['user', 'token']

gestioncof/migrations/0005_add_calendar.py

@@ -17,7 +17,9 @@ class Migration(migrations.Migration):
         migrations.CreateModel(
             name='CalendarSubscription',
             fields=[
-                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
+                ('id', models.AutoField(verbose_name='ID', serialize=False,
+                                        auto_created=True, primary_key=True)),
+                ('token', models.UUIDField()),
                 ('subscribe_to_events', models.BooleanField(default=True)),
                 ('shows', models.ManyToManyField(to='bda.Spectacle')),
                 ('user', models.OneToOneField(to=settings.AUTH_USER_MODEL)),
@@ -25,7 +27,8 @@ class Migration(migrations.Migration):
         ),
         migrations.AlterModelOptions(
             name='custommail',
-            options={'verbose_name': 'Mail personnalisable', 'verbose_name_plural': 'Mails personnalisables'},
+            options={'verbose_name': 'Mail personnalisable',
+                     'verbose_name_plural': 'Mails personnalisables'},
         ),
         migrations.AlterModelOptions(
             name='eventoptionchoice',
@@ -34,11 +37,14 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='event',
             name='end_date',
-            field=models.DateTimeField(null=True, verbose_name=b'Date de fin', blank=True),
+            field=models.DateTimeField(null=True, verbose_name=b'Date de fin',
+                                       blank=True),
         ),
         migrations.AlterField(
             model_name='event',
             name='start_date',
-            field=models.DateTimeField(null=True, verbose_name=b'Date de d\xc3\xa9but', blank=True),
+            field=models.DateTimeField(null=True,
+                                       verbose_name=b'Date de d\xc3\xa9but',
+                                       blank=True),
         ),
     ]

gestioncof/models.py

@@ -237,6 +237,7 @@ class Clipper(models.Model):
 
 
 class CalendarSubscription(models.Model):
+    token = models.UUIDField()
     user = models.OneToOneField(User)
     shows = models.ManyToManyField(Spectacle)
     subscribe_to_events = models.BooleanField(default=True)

gestioncof/templates/calendar_subscription.html

@@ -10,8 +10,10 @@
 <p class="error">{{ error }}</p>
 {% endif %}
 
+{% if token %}
 <p>Calendrier disponible à
-<a href="{% url 'gestioncof.views.calendar_ics' %}">cette adresse</a></p>
+<a href="{% url 'gestioncof.views.calendar_ics' token %}">cette adresse</a></p>
+{% endif %}
 
 <form action="" method="post">
 {% csrf_token %}

gestioncof/urls.py

@@ -42,5 +42,6 @@ events_patterns = [
 
 calendar_patterns = [
     url(r'^subscription$', 'gestioncof.views.calendar'),
-    url(r'^calendar.ics$', 'gestioncof.views.calendar_ics')
+    url(r'^(?P<token>[a-z0-9-]+)/calendar.ics$',
+        'gestioncof.views.calendar_ics')
 ]

gestioncof/views.py

@@ -1,6 +1,7 @@
 # coding: utf-8
 
 import unicodecsv
+import uuid
 from datetime import timedelta
 from icalendar import Calendar, Event as Vevent
 
@@ -633,23 +634,26 @@ def calendar(request):
         form = CalendarForm(request.POST, instance=instance)
         if form.is_valid():
             subscription = form.save(commit=False)
-            subscription.user = request.user
+            if instance is None:
+                subscription.user = request.user
+                subscription.token = uuid.uuid4()
             subscription.save()
             form.save_m2m()
             return render(request, "calendar_subscription.html",
-                          {'form': form, 'success': True})
+                          {'form': form,
+                           'success': True,
+                           'token': str(subscription.token)})
         else:
             return render(request, "calendar_subscription.html",
                           {'form': form, 'error': "Formulaire incorrect"})
     else:
         return render(request, "calendar_subscription.html",
-                      {'form': CalendarForm(instance=instance)})
+                      {'form': CalendarForm(instance=instance),
+                       'token': instance.token if instance else None})
 
 
-@cof_required
-def calendar_ics(request):
-    subscription, _ = CalendarSubscription.objects.get_or_create(
-            user=request.user)
+def calendar_ics(request, token):
+    subscription = get_object_or_404(CalendarSubscription, token=token)
     vcal = Calendar()
     for show in subscription.shows.all():
         vevent = Vevent()