First iteration of sign-in with gihub.

data/model.py

@@ -34,6 +34,34 @@ def create_user(username, password, email):
     raise DataModelException(ex.message)
 
 
+def create_federated_user(username, email, service_name, service_id):
+  try:
+    new_user = User.create(username=username, email=email, verified=True)
+    service = LoginService.get(LoginService.name == service_name)
+    federated_user = FederatedLogin.create(user=new_user, service=service,
+                                           service_ident=service_id)
+
+    return new_user
+
+  except Exception as ex:
+    raise DataModelException(ex.message)
+
+
+def verify_federated_login(service_name, service_id):
+  selected = FederatedLogin.select(FederatedLogin, User)
+  with_service = selected.join(LoginService)
+  with_user = with_service.switch(FederatedLogin).join(User)
+  found = with_user.where(FederatedLogin.service_ident == service_id,
+                             LoginService.name == service_name)
+
+  found_list = list(found)
+
+  if found_list:
+    return found_list[0].user
+
+  return None
+
+
 def create_confirm_email_code(user):
   code = EmailConfirmation.create(user=user, email_confirm=True)
   return code