Fixed wrong imports

Correctly wired listeners and services

src/DependencyInjection/TagsExtension.php

@@ -27,7 +27,7 @@ public function load(array $mergedConfig, ContainerBuilder $container)
             new FileLocator(__DIR__.'/../Resources/config')
         );
 
-        //$loader->load('listener.yml');
-        //$loader->load('services.yml');
+        $loader->load('listener.yml');
+        $loader->load('services.yml');
     }
 }

src/EventListener/DataContainer/ArticleCallbackListener.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace Hschottm\TagsBundle\EventListener\DataContainer;
+
+use Contao\CoreBundle\DependencyInjection\Attribute\AsCallback;
+use Contao\DataContainer;
+use Doctrine\DBAL\Connection;
+use Symfony\Contracts\Translation\TranslatorInterface;
+
+
+class ArticleCallbackListener
+{
+    public function __construct(
+        private readonly TranslatorInterface $translator, 
+        private readonly Connection $db,
+    )
+    {
+    }
+
+    #[AsCallback(table: 'tl_article', target: 'config.oncopy')]
+    public function onCopyArticle(int $insertId, DataContainer $dc): void
+    {
+        if (!$dc->id) {
+            return;
+        }
+
+        $objTags = $this->db->prepare("SELECT * FROM tl_tag WHERE tid = ? AND from_table = ?")->executeQuery(array($dc->id, $dc->table));
+		$tags = array();
+        while (($row = $objTags->fetchAssociative()) !== false) {
+			\array_push($tags, array("table" => $dc->table, "tag" => $row['tag']));
+		}
+		foreach ($tags as $entry) {
+			$this->db->prepare("INSERT INTO tl_tag (tid, tag, from_table) VALUES (?, ?, ?)")->executeQuery(array($insertId, $entry['tag'], $entry['table']));
+		}
+    }
+
+    #[AsCallback(table: 'tl_article', target: 'config.ondelete')]
+    public function onDeleteArticle(DataContainer $dc, int $undoId): void
+    {
+        if (!$dc->id) {
+            return;
+        }
+
+        $this->db->prepare("DELETE FROM tl_tag WHERE from_table = ? AND tid = ?")
+            ->executeQuery(array($dc->table, $dc->id));
+        $arrContentElements = $this->db->prepare("SELECT DISTINCT id FROM tl_content WHERE pid = ?")
+            ->executeQuery(array($dc->id));
+            while (($row = $arrContentElements->fetchAssociative()) !== false) {
+                $this->db->prepare("DELETE FROM tl_tag WHERE from_table = ? AND tid = ?")
+                ->executeQuery(array('tl_content', $row['id']));
+            }
+    }
+}

src/EventListener/DataContainer/CalendarCallbackListener.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace Hschottm\TagsBundle\EventListener\DataContainer;
+
+use Contao\CoreBundle\DependencyInjection\Attribute\AsCallback;
+use Contao\DataContainer;
+use Doctrine\DBAL\Connection;
+use Symfony\Contracts\Translation\TranslatorInterface;
+
+
+class CalendarCallbackListener
+{
+    public function __construct(
+        private readonly TranslatorInterface $translator, 
+        private readonly Connection $db,
+    )
+    {
+    }
+
+    #[AsCallback(table: 'tl_calendar_events', target: 'config.oncopy')]
+    public function onCopyCalendar(int $insertId, DataContainer $dc): void
+    {
+        if (!$dc->id) {
+            return;
+        }
+
+        $objTags = $this->db->prepare("SELECT * FROM tl_tag WHERE tid = ? AND from_table = ?")->executeQuery(array($dc->id, $dc->table));
+		$tags = array();
+        while (($row = $objTags->fetchAssociative()) !== false) {
+			\array_push($tags, array("table" => $dc->table, "tag" => $row['tag']));
+		}
+		foreach ($tags as $entry) {
+			$this->db->prepare("INSERT INTO tl_tag (tid, tag, from_table) VALUES (?, ?, ?)")->executeQuery(array($insertId, $entry['tag'], $entry['table']));
+		}
+    }
+
+    #[AsCallback(table: 'tl_calendar_events', target: 'config.ondelete')]
+    public function onDeleteCalendar(DataContainer $dc, int $undoId): void
+    {
+        if (!$dc->id) {
+            return;
+        }
+
+        $this->db->prepare("DELETE FROM tl_tag WHERE from_table = ? AND tid = ?")
+            ->executeQuery(array($dc->table, $dc->id));
+    }
+}

src/EventListener/DataContainer/ContentCallbackListener.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace Hschottm\TagsBundle\EventListener\DataContainer;
+
+use Contao\CoreBundle\DependencyInjection\Attribute\AsCallback;
+use Contao\DataContainer;
+use Doctrine\DBAL\Connection;
+use Symfony\Contracts\Translation\TranslatorInterface;
+
+
+class ContentCallbackListener
+{
+    public function __construct(
+        private readonly TranslatorInterface $translator, 
+        private readonly Connection $db,
+    )
+    {
+    }
+
+    #[AsCallback(table: 'tl_content', target: 'config.oncopy')]
+    public function onCopyContent(int $insertId, DataContainer $dc): void
+    {
+        if (!$dc->id) {
+            return;
+        }
+
+		$objTags = $this->db->prepare("SELECT * FROM tl_tag WHERE tid = ? AND from_table = ?")->executeQuery(array($dc->id, $dc->table));
+		$tags = array();
+        while (($row = $objTags->fetchAssociative()) !== false) {
+			\array_push($tags, array("table" => $dc->table, "tag" => $row['tag']));
+		}
+		foreach ($tags as $entry) {
+			$this->db->prepare("INSERT INTO tl_tag (tid, tag, from_table) VALUES (?, ?, ?)")->executeQuery(array($insertId, $entry['tag'], $entry['table']));
+		}
+    }
+
+    #[AsCallback(table: 'tl_content', target: 'config.ondelete')]
+    public function onDeleteContent(DataContainer $dc, int $undoId): void
+    {
+        if (!$dc->id) {
+            return;
+        }
+
+        $this->db->prepare("DELETE FROM tl_tag WHERE from_table = ? AND tid = ?")
+            ->executeQuery(array($dc->table, $dc->id));
+    }
+}