refactor: Split people.views into multiple modules

people/views/relationship.py

@@ -0,0 +1,146 @@
+"""
+Views for displaying or manipulating instances of :class:`Relationship`.
+"""
+
+from django.urls import reverse
+from django.utils import timezone
+from django.views.generic import CreateView, DetailView
+
+from rest_framework.views import APIView, Response
+
+from people import forms, models, permissions, serializers
+
+
+class RelationshipDetailView(permissions.UserIsLinkedPersonMixin, DetailView):
+    """
+    View displaying details of a :class:`Relationship`.
+    """
+    model = models.Relationship
+    template_name = 'people/relationship/detail.html'
+    related_person_field = 'source'
+
+
+class RelationshipCreateView(permissions.UserIsLinkedPersonMixin, CreateView):
+    """
+    View for creating a :class:`Relationship`.
+
+    Displays / processes a form containing the :class:`RelationshipQuestion`s.
+    """
+    model = models.Relationship
+    template_name = 'people/relationship/create.html'
+    fields = [
+        'source',
+        'target',
+    ]
+
+    def get_test_person(self) -> models.Person:
+        """
+        Get the person instance which should be used for access control checks.
+        """
+        if self.request.method == 'POST':
+            return models.Person.objects.get(pk=self.request.POST.get('source'))
+
+        return models.Person.objects.get(pk=self.kwargs.get('person_pk'))
+
+    def get(self, request, *args, **kwargs):
+        self.person = models.Person.objects.get(pk=self.kwargs.get('person_pk'))
+
+        return super().get(request, *args, **kwargs)
+
+    def post(self, request, *args, **kwargs):
+        self.person = models.Person.objects.get(pk=self.kwargs.get('person_pk'))
+
+        return super().post(request, *args, **kwargs)
+
+    def get_initial(self):
+        initial = super().get_initial()
+
+        initial['source'] = self.request.user.person
+        initial['target'] = self.person
+
+        return initial
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+
+        context['person'] = self.person
+
+        return context
+
+    def get_success_url(self):
+        return reverse('people:relationship.update', kwargs={'relationship_pk': self.object.pk})
+
+
+class RelationshipUpdateView(permissions.UserIsLinkedPersonMixin, CreateView):
+    """
+    View for creating a :class:`Relationship`.
+
+    Displays / processes a form containing the :class:`RelationshipQuestion`s.
+    """
+    model = models.RelationshipAnswerSet
+    template_name = 'people/relationship/update.html'
+    form_class = forms.RelationshipAnswerSetForm
+
+    def get_test_person(self) -> models.Person:
+        """
+        Get the person instance which should be used for access control checks.
+        """
+        relationship = models.Relationship.objects.get(pk=self.kwargs.get('relationship_pk'))
+
+        return relationship.source
+
+    def get(self, request, *args, **kwargs):
+        self.relationship = models.Relationship.objects.get(pk=self.kwargs.get('relationship_pk'))
+        self.person = self.relationship.source
+
+        return super().get(request, *args, **kwargs)
+
+    def post(self, request, *args, **kwargs):
+        self.relationship = models.Relationship.objects.get(pk=self.kwargs.get('relationship_pk'))
+        self.person = self.relationship.source
+
+        return super().post(request, *args, **kwargs)
+
+    def get_context_data(self, **kwargs):
+        context = super().get_context_data(**kwargs)
+
+        context['person'] = self.person
+        context['relationship'] = self.relationship
+
+        return context
+
+    def get_initial(self):
+        initial = super().get_initial()
+
+        initial['relationship'] = self.relationship
+
+        return initial
+
+    def form_valid(self, form):
+        """
+        Mark any previous answer sets as replaced.
+        """
+        previous_valid_answer_sets = self.relationship.answer_sets.filter(replaced_timestamp__isnull=True)
+
+        response = super().form_valid(form)
+
+        # Shouldn't be more than one after initial updates after migration
+        for answer_set in previous_valid_answer_sets:
+            answer_set.replaced_timestamp = timezone.now()
+            answer_set.save()
+
+        return response
+
+
+class RelationshipApiView(APIView):
+    """
+    List all :class:`Relationship` instances.
+    """
+
+    def get(self, request, format=None):
+        """
+        List all :class:`Relationship` instances.
+        """
+        serializer = serializers.RelationshipSerializer(models.Relationship.objects.all(),
+                                                        many=True)
+        return Response(serializer.data)