1 files changed, 92 insertions, 0 deletions
diff --git a/src/anastasis/anastasis-gtk_handle-identity-changed.c b/src/anastasis/anastasis-gtk_handle-identity-changed.c
new file mode 100644
index 0000000..ea9c8b2
--- /dev/null
+++ b/src/anastasis/anastasis-gtk_handle-identity-changed.c
@@ -0,0 +1,92 @@
+/*
+     This file is part of anastasis-gtk.
+     Copyright (C) 2020 Anastasis SARL
+
+     Anastasis is free software; you can redistribute it and/or modify
+     it under the terms of the GNU General Public License as published
+     by the Free Software Foundation; either version 3, or (at your
+     option) any later version.
+
+     Anastasis is distributed in the hope that it will be useful, but
+     WITHOUT ANY WARRANTY; without even the implied warranty of
+     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+     General Public License for more details.
+
+     You should have received a copy of the GNU General Public License
+     along with Anastasis; see the file COPYING.  If not, write to the
+     Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+     Boston, MA 02110-1301, USA.
+*/
+/**
+ * @file src/anastasis/anastasis-gtk_handle-identity-changed.c
+ * @brief
+ * @author Christian Grothoff
+ * @author Dennis Neufeld
+ */
+#include <gnunet/platform.h>
+#include <gnunet/gnunet_util_lib.h>
+#include "anastasis-gtk_helper.h"
+#include "anastasis-gtk_action.h"
+#include "anastasis-gtk_attributes.h"
+#include "anastasis-gtk_handle-identity-changed.h"
+#include <jansson.h>
+
+
+/**
+ * Function called with the results of #ANASTASIS_redux_action.
+ *
+ * @param cls closure
+ * @param error_code Error code
+ * @param response new state as result or config information of provider
+ */
+static void
+test_ok_cb (void *cls,
+            enum TALER_ErrorCode error_code,
+            json_t *response)
+{
+  bool *result = cls;
+
+  if (TALER_EC_NONE == error_code)
+    *result = true;
+}
+
+
+/**
+ * Function to ckeck if required attributes are set.
+ *
+ * @return true if user-provided attributes satisfy the constraints
+ */
+static bool
+check_attributes_fullfilled (void)
+{
+  struct ANASTASIS_ReduxAction *ta;
+  json_t *args;
+  bool result;
+
+  args = AG_collect_attributes (false);
+  if (NULL == args)
+    return false;
+  result = false;
+  ta = ANASTASIS_redux_action (AG_redux_state,
+                               "enter_user_attributes",
+                               args,
+                               &test_ok_cb,
+                               &result);
+  if (NULL != ta)
+  {
+    result = true;
+    ANASTASIS_redux_action_cancel (ta);
+  }
+  json_decref (args);
+  return result;
+}
+
+
+void
+AG_identity_changed (void)
+{
+  if (check_attributes_fullfilled ())
+    AG_sensitive ("anastasis_gtk_main_window_forward_button");
+  else
+    AG_insensitive ("anastasis_gtk_main_window_forward_button");
+}