[BUGFIX] Add fallback configuration

Allow an admin user, to edit the election config, if the config is
misconfigured.

Classes/Controller/BeDashboardController.php

@@ -43,8 +43,27 @@ class BeDashboardController extends AbstractBeController
                 'elections' => $this->electionRepository->findAll(),
             ]
         );
+
         if ($this->configuration) {
-            $electionManagerGroup = $this->configuration->getElectionManagerGroup();
+            if ($this->configuration->isGroupConifgComplete()) {
+                $electionManagerGroup = $this->configuration->getElectionManagerGroup();
+            }
+            else {
+                $this->addFlashMessage(
+                    LocalizationUtility::translate('view.be.dashboard.index.no_proper_configuration_msg_body', $this->extensionName),
+                    LocalizationUtility::translate('view.be.dashboard.index.no_configuration_msg_title', $this->extensionName),
+                    AbstractMessage::ERROR
+                );
+                if ($GLOBALS['BE_USER']->isAdmin()) {
+                    $this->redirect('edit','BeConfiguration');
+                } else {
+                    $this->addFlashMessage(
+                        LocalizationUtility::translate('view.be.dashboard.index.no_proper_configuration_msg_body_admin', $this->extensionName),
+                        LocalizationUtility::translate('view.be.dashboard.index.no_configuration_msg_title', $this->extensionName),
+                        AbstractMessage::ERROR
+                    );
+                }
+            }
         }
         else {
             $this->addFlashMessage(

Classes/Domain/Model/Configuration.php

@@ -213,6 +213,13 @@ class Configuration extends AbstractEntity
         $this->testEmail = $testEmail;
     }
 
+    public function isGroupConifgComplete() {
+        if ($this->getAdministrationGroup() && $this->getElectionManagerGroup() && $this->getPollManagerGroup()) {
+            return true;
+        }
+        return false;
+    }
+
     /**
      * @return Configuration
      */

Resources/Private/Language/locallang.xlf

@@ -104,6 +104,12 @@
             <trans-unit id="view.be.dashboard.index.no_configuration_msg_body">
                 <source>Please add a configuration record.</source>
             </trans-unit>
+            <trans-unit id="view.be.dashboard.index.no_proper_configuration_msg_body">
+                <source>Your configuration is incomplete. Please add all needed Backend User Groups.</source>
+            </trans-unit>
+            <trans-unit id="view.be.dashboard.index.no_proper_configuration_msg_body_admin">
+                <source>An Admin Login is needed, to create a proper election configuration.</source>
+            </trans-unit>
 
             <trans-unit id="view.be.dashboard.index.no_electionmanagergroup_msg_title">
                 <source>No election manager group is set</source>