[BUGFIX] Adds error message if no configuration is available

Classes/Controller/BeDashboardController.php

@@ -13,6 +13,9 @@ namespace TYPO3\Election\Controller;
  *
  * The TYPO3 project - inspiring people to share!
  */
+use TYPO3\CMS\Core\Messaging\AbstractMessage;
+use TYPO3\CMS\Extbase\Utility\DebuggerUtility;
+use TYPO3\CMS\Extbase\Utility\LocalizationUtility;
 use TYPO3\Election\Domain\Repository\ElectionCircularRepository;
 use TYPO3\Election\Domain\Repository\ElectorImportRepository;
 
@@ -40,16 +43,37 @@ class BeDashboardController extends AbstractBeController
                 'elections' => $this->electionRepository->findAll(),
             ]
         );
-        if ($this->backendUserHasUserGroup($this->configuration->getElectionManagerGroup())) {
-            $this->view->assign(
-                'electorImports',
-                $this->objectManager->get(ElectorImportRepository::class)->findAll()
+        if ($this->configuration) {
+            $electionManagerGroup = $this->configuration->getElectionManagerGroup();
+        }
+        else {
+            $this->addFlashMessage(
+                LocalizationUtility::translate('view.be.dashboard.index.no_configuration_msg_body', $this->extensionName),
+                LocalizationUtility::translate('view.be.dashboard.index.no_configuration_msg_title', $this->extensionName),
+                AbstractMessage::ERROR
             );
-            $this->view->assign(
-                'electionCirculars',
-                $this->objectManager->get(ElectionCircularRepository::class)->findAll()
+        }
+
+        if ($electionManagerGroup) {
+            if ($this->backendUserHasUserGroup()) {
+                $this->view->assign(
+                    'electorImports',
+                    $this->objectManager->get(ElectorImportRepository::class)->findAll()
+                );
+                $this->view->assign(
+                    'electionCirculars',
+                    $this->objectManager->get(ElectionCircularRepository::class)->findAll()
+                );
+            }
+        }
+        else {
+            $this->addFlashMessage(
+                LocalizationUtility::translate('view.be.dashboard.index.no_configuration_msg_body', $this->extensionName),
+                LocalizationUtility::translate('view.be.dashboard.index.no_electionmanagergroup_msg_body', $this->extensionName),
+                AbstractMessage::WARNING
             );
         }
+
     }
 
     /**

Resources/Private/Language/locallang.xlf

@@ -98,6 +98,22 @@
                 <source>There are no Election Circulars</source>
             </trans-unit>
 
+            <trans-unit id="view.be.dashboard.index.no_configuration_msg_title">
+                <source>No configuration is available</source>
+            </trans-unit>
+            <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_electionmanagergroup_msg_title">
+                <source>No election manager group is set</source>
+            </trans-unit>
+            <trans-unit id="view.be.dashboard.index.no_electionmanagergroup_msg_body">
+                <source>Please add an election group in your configuration.</source>
+            </trans-unit>
+
+
+
             <!-- BE CONFIGURATION-->
 
             <trans-unit id="view.be.configuration.edit.welcome">