add location→types API endpoint

src/c3nav/mapdata/models/base.py

@@ -14,6 +14,15 @@ class EditorFormMixin(models.Model):
     def serialize(self, **kwargs):
         return self._serialize(**kwargs)
 
+    @classmethod
+    def serialize_type(cls, **kwargs):
+        return OrderedDict((
+            ('name', cls.__name__.lower()),
+            ('name_plural', cls._meta.default_related_name),
+            ('title', str(cls._meta.verbose_name)),
+            ('title_plural', str(cls._meta.verbose_name_plural)),
+        ))
+
     def _serialize(self, include_type=False, **kwargs):
         result = OrderedDict()
         if include_type: