Reorganized stages views in a subdirectory

stages/views/base.py

@@ -0,0 +1,46 @@
+from django.contrib import messages
+from django.core.mail import EmailMessage
+from django.urls import reverse_lazy
+from django.views.generic import FormView
+
+from stages.forms import EmailBaseForm
+
+
+class EmailConfirmationBaseView(FormView):
+    template_name = 'email_base.html'
+    form_class = EmailBaseForm
+    title = ''
+    person_model = None  # To be defined on subclasses
+    success_url = reverse_lazy('admin:candidats_candidate_changelist')
+    success_message = "Le message a été envoyé pour {person}"
+    error_message = "Échec d’envoi pour {person} ({err})"
+
+    def form_valid(self, form):
+        email = EmailMessage(
+            subject=form.cleaned_data['subject'],
+            body=form.cleaned_data['message'],
+            from_email=form.cleaned_data['sender'],
+            to=form.cleaned_data['to'].split(';'),
+            bcc=form.cleaned_data['cci'].split(';'),
+        )
+        person = self.person_model.objects.get(pk=self.kwargs['pk'])
+        try:
+            email.send()
+        except Exception as err:
+            messages.error(self.request, self.error_message.format(person=person, err=err))
+        else:
+            self.on_success(person)
+            messages.success(self.request, self.success_message.format(person=person))
+        return super().form_valid(form)
+
+    def on_success(self, person):
+        """Operation to apply if message is successfully sent."""
+        raise NotImplementedError("You should define an on_success method in your view")
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+        context.update({
+            'person': self.person_model.objects.get(pk=self.kwargs['pk']),
+            'title': self.title,
+        })
+        return context