[FEAT] Enable django-allauth for enhanced user management & federation

breccia_mapper/account_adapter.py

@@ -0,0 +1,16 @@
+from allauth.account.adapter import DefaultAccountAdapter
+from constance import config
+
+
+class ControlSignupsAccountAdapter(DefaultAccountAdapter):
+
+    def is_open_for_signup(self, request):
+        """
+        Checks whether or not the site is open for signups.
+
+        Next to simply returning True/False you can also intervene the
+        regular flow by raising an ImmediateHttpResponse
+
+        (Comment reproduced from the overridden method.)
+        """
+        return config.ALLOW_SIGNUPS