feat(people): Allow people to describe relationships

Creating a relationship requires answering each of the
relationship questions

resolve #2
partial #5

people/views.py

@@ -2,6 +2,7 @@
 Views for displaying or manipulating models in the 'people' app.
 """
 
+from django.http import HttpResponseRedirect
 from django.views.generic import CreateView, DetailView, ListView
 
 from . import forms, models
@@ -58,3 +59,48 @@ class RelationshipDetailView(DetailView):
     """
     model = models.Relationship
     template_name = 'people/relationship/detail.html'
+    
+
+class RelationshipCreateView(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'
+    form_class = forms.RelationshipForm
+    
+    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 form_valid(self, form):
+        """
+        Form is valid - create :class:`Relationship` and save answers to questions.
+        """
+        self.object = form.save()
+        
+        return HttpResponseRedirect(self.object.get_absolute_url())
+