[locations] Allow editing from detail page

vrobbler/apps/locations/views.py

@@ -1,4 +1,5 @@
 from django.db.models import Count
+from django.urls import reverse_lazy
 from django.views import generic
 from locations.models import GeoLocation
 from scrobbles.stats import get_scrobble_count_qs
@@ -26,3 +27,16 @@ class GeoLocationListView(generic.ListView):
 class GeoLocationDetailView(ChartContextMixin, generic.DetailView):
     model = GeoLocation
     slug_field = "uuid"
+
+
+class GeoLocationUpdateView(generic.UpdateView):
+    model = GeoLocation
+    fields = ["title", "base_run_time_seconds"]
+    slug_field = "uuid"
+    template_name = "locations/geolocation_form.html"
+    success_url = reverse_lazy("locations:geolocation_list")
+
+    def get_success_url(self):
+        return reverse_lazy(
+            "locations:geolocation_detail", kwargs={"slug": self.object.uuid}
+        )