Map tags: load live organization tags and sanitize selections

contao/dca/tl_module.php

@@ -74,15 +74,33 @@ $GLOBALS['TL_DCA']['tl_module']['fields']['organizationTypeTags'] = [
     'exclude' => true,
     'inputType' => 'checkbox',
     'options_callback' => static function () {
+        $database = Database::getInstance();
+        $labelExpression = $database->fieldExists('title', 'tl_tags')
+            ? "COALESCE(NULLIF(t.title, ''), t.tag)"
+            : 't.tag';
+
         $rows = Database::getInstance()
-            ->prepare('SELECT DISTINCT t.id, t.tag FROM tl_tags t LEFT JOIN tl_tags_rel r ON r.tag_id=t.id AND r.ptable=? AND r.field=? ORDER BY t.tag ASC')
+            ->prepare(sprintf(
+                'SELECT DISTINCT t.id, %1$s AS label
+                 FROM tl_tags_rel r
+                 INNER JOIN tl_tags t ON t.id=r.tag_id
+                 WHERE r.ptable=? AND r.field=?
+                 ORDER BY label ASC',
+                $labelExpression,
+            ))
             ->execute('tl_organization', 'tags')
             ->fetchAllAssoc();
 
         $options = [];
 
         foreach ($rows as $row) {
-            $options[(int) $row['id']] = (string) $row['tag'];
+            $label = trim((string) ($row['label'] ?? ''));
+
+            if ('' === $label) {
+                continue;
+            }
+
+            $options[(int) $row['id']] = $label;
         }
 
         return $options;
@@ -204,15 +222,33 @@ $GLOBALS['TL_DCA']['tl_module']['fields']['mapInitialOrganizationTagId'] = [
     'exclude' => true,
     'inputType' => 'select',
     'options_callback' => static function (): array {
-        $rows = Database::getInstance()
+        $database = Database::getInstance();
-            ->prepare('SELECT DISTINCT t.id, t.tag FROM tl_tags t LEFT JOIN tl_tags_rel r ON r.tag_id=t.id AND r.ptable=? AND r.field=? ORDER BY t.tag ASC')
+        $labelExpression = $database->fieldExists('title', 'tl_tags')
+            ? "COALESCE(NULLIF(t.title, ''), t.tag)"
+            : 't.tag';
+
+        $rows = $database
+            ->prepare(sprintf(
+                'SELECT DISTINCT t.id, %1$s AS label
+                 FROM tl_tags_rel r
+                 INNER JOIN tl_tags t ON t.id=r.tag_id
+                 WHERE r.ptable=? AND r.field=?
+                 ORDER BY label ASC',
+                $labelExpression,
+            ))
             ->execute('tl_organization', 'tags')
             ->fetchAllAssoc();
 
         $options = [];
 
         foreach ($rows as $row) {
-            $options[(int) $row['id']] = (string) $row['tag'];
+            $label = trim((string) ($row['label'] ?? ''));
+
+            if ('' === $label) {
+                continue;
+            }
+
+            $options[(int) $row['id']] = $label;
         }
 
         return $options;

src/Controller/Frontend/EventMapController.php

@@ -44,6 +44,14 @@ class EventMapController extends AbstractFrontendModuleController
             array_map('intval', StringUtil::deserialize($model->organizationTypeTags ?? null, true)),
             static fn (int $tagId): bool => $tagId > 0,
         )));
+        $availableOrganizationTags = $this->mapModuleDataProvider->getOrganizationTags();
+        $availableOrganizationTagIds = array_map(
+            static fn (array $tag): int => (int) ($tag['id'] ?? 0),
+            $availableOrganizationTags,
+        );
+        $selectedOrganizationTagIds = [] === $selectedOrganizationTagIds
+            ? []
+            : array_values(array_intersect($selectedOrganizationTagIds, $availableOrganizationTagIds));
         $initialDisplay = (string) ($model->mapInitialDisplay ?? self::DEFAULT_INITIAL_DISPLAY);
         $initialOrganizationTagId = (int) ($model->mapInitialOrganizationTagId ?? 0);
         $centerMode = (string) ($model->mapCenterMode ?? self::DEFAULT_CENTER_MODE);

src/Service/MapModuleDataProvider.php

@@ -150,7 +150,7 @@ class MapModuleDataProvider
      */
     public function getOrganizationTags(array $selectedTagIds = []): array
     {
-        if (!$this->tableExists('tl_tags')) {
+        if (!$this->tableExists('tl_tags') || !$this->tableExists('tl_tags_rel')) {
             return [];
         }
 
@@ -168,8 +168,13 @@ class MapModuleDataProvider
 
         $qb = $this->connection->createQueryBuilder();
         $qb
-            ->select('t.id', sprintf('t.%s AS label', $labelColumn))
+            ->select('DISTINCT t.id', sprintf('t.%s AS label', $labelColumn))
-            ->from('tl_tags', 't')
+            ->from('tl_tags_rel', 'r')
+            ->innerJoin('r', 'tl_tags', 't', 't.id = r.tag_id')
+            ->andWhere('r.ptable = :organization_ptable')
+            ->andWhere('(r.field = :organization_field OR r.field IS NULL OR r.field = \'\')')
+            ->setParameter('organization_ptable', 'tl_organization')
+            ->setParameter('organization_field', 'tags')
             ->orderBy(sprintf('t.%s', $labelColumn), 'ASC');
 
         if ([] !== $selectedTagIds) {