improve BE listing - now includes record count

layout/backend/survey.scss

@@ -1,10 +1,18 @@
 .tl_listing_container {
   counter-reset: question;
 
+  $color-muted: #999;
+  $default-margin: .3em;
+
   .survey_question_title::before {
     counter-increment: question;
     content: counter(question) ") ";
-    color: #999;
-    margin-right: .3em;
+    color: $color-muted;
+    margin-right: $default-margin;
+  }
+
+  .survey_answer_count {
+    color: $color-muted;
+    margin-left: $default-margin;
   }
 }

src/EventListener/DataContainer/Survey.php

@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * @author  Moritz Vondano
+ * @license MIT
+ */
+
+namespace Mvo\ContaoSurvey\EventListener\DataContainer;
+
+use Contao\CoreBundle\ServiceAnnotation\Callback;
+use Mvo\ContaoSurvey\Repository\RecordRepository;
+use Terminal42\ServiceAnnotationBundle\ServiceAnnotationInterface;
+
+class Survey implements ServiceAnnotationInterface
+{
+    private RecordRepository $recordRepository;
+
+    public function __construct(RecordRepository $recordRepository)
+    {
+        $this->recordRepository = $recordRepository;
+    }
+
+    /**
+     * @Callback(table="tl_survey", target="list.label.label")
+     */
+    public function listSurveys(array $row, string $label): string
+    {
+        $submittedRecordsCount = $this->recordRepository->countBySurveyId((int) $row['id']);
+
+        return sprintf('%s <span class="survey_answer_count">(%d)</span>', $label, $submittedRecordsCount);
+    }
+}

src/Repository/RecordRepository.php

@@ -25,4 +25,11 @@ public function __construct(ManagerRegistry $registry)
     {
         parent::__construct($registry, Record::class);
     }
+
+    public function countBySurveyId(int $surveyId): int
+    {
+        return $this->count([
+            'survey' => $surveyId,
+        ]);
+    }
 }

src/Resources/config/services.yaml

@@ -123,6 +123,13 @@ services:
     tags:
       - { name: 'terminal42_service_annotation' }
 
+  mvo.survey.listener.datacontainer.survey:
+    class: Mvo\ContaoSurvey\EventListener\DataContainer\Survey
+    tags:
+      - { name: 'terminal42_service_annotation' }
+    arguments:
+      - '@mvo.survey.repository.record'
+
   mvo.survey.listener.datacontainer.question:
     class: Mvo\ContaoSurvey\EventListener\DataContainer\SurveyQuestion
     tags:

src/Resources/public/survey_backend.css

@@ -4,4 +4,7 @@
     counter-increment: question;
     content: counter(question) ") ";
     color: #999;
-    margin-right: .3em; }
+    margin-right: 0.3em; }
+  .tl_listing_container .survey_answer_count {
+    color: #999;
+    margin-left: 0.3em; }