feat: display organisations on map

Add buttons to toggle organisations and people

Resolves #87

people/views/map.py

@@ -0,0 +1,52 @@
+import typing
+
+from django.contrib.auth.mixins import LoginRequiredMixin
+from django.db.models import QuerySet
+from django.urls import reverse
+from django.utils import timezone
+from django.views.generic import TemplateView
+
+from people import forms, models, permissions
+
+
+def get_map_data(obj: typing.Union[models.Person, models.Organisation]) -> typing.Dict[str, typing.Any]:
+    """Prepare data to mark people or organisations on a map."""
+    answer_set = obj.current_answers
+    organisation = getattr(answer_set, 'organisation', None)
+
+    try:
+        country = answer_set.country_of_residence.name
+
+    except AttributeError:
+        country = None
+
+    return {
+        'name': obj.name,
+        'lat': getattr(answer_set, 'latitude', None),
+        'lng': getattr(answer_set, 'longitude', None),
+        'organisation': getattr(organisation, 'name', None),
+        'org_lat': getattr(organisation, 'latitude', None),
+        'org_lng': getattr(organisation, 'longitude', None),
+        'country': country,
+        'url': obj.get_absolute_url(),
+        'type': type(obj).__name__,
+    }
+
+
+class MapView(LoginRequiredMixin, TemplateView):
+    """View displaying a map of :class:`Person` and :class:`Organisation` locations."""
+    template_name = 'people/map.html'
+
+    def get_context_data(self,
+                         **kwargs: typing.Any) -> typing.Dict[str, typing.Any]:
+        context = super().get_context_data(**kwargs)
+
+        map_markers = []
+
+        map_markers.extend(
+            get_map_data(person) for person in models.Person.objects.all())
+        map_markers.extend(
+            get_map_data(org) for org in models.Organisation.objects.all())
+        context['map_markers'] = map_markers
+
+        return context