Merge pull request #9 from calien666/export-event

[TASK] Add export query event

Classes/Controller/XlsExportController.php

@@ -11,6 +11,7 @@
 namespace Calien\Xlsexport\Controller;
 
 use Calien\Xlsexport\Export\Event\AlternateCheckQueryEvent;
+use Calien\Xlsexport\Export\Event\AlternateExportQueryEvent;
 use Calien\Xlsexport\Traits\ExportWithTsSettingsTrait;
 use Doctrine\DBAL\DBALException;
 use Doctrine\DBAL\Driver\Exception;
@@ -89,6 +90,10 @@ public function exportAction(int $id, string $config): ResponseInterface
 
         $settings = $this->selfSettings['exports.'][$config . '.'];
 
+        $event = $this->eventDispatcher->dispatch(new AlternateExportQueryEvent($settings, $config));
+
+        $settings = $event->getManipulatedSettings();
+
         $file = $this->doExport($settings, $this->pageId);
 
         //ins Archiv verschieben

Classes/Export/Event/AlternateExportQueryEvent.php

@@ -0,0 +1,62 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Calien\Xlsexport\Export\Event;
+
+use Psr\EventDispatcher\StoppableEventInterface;
+
+final class AlternateExportQueryEvent implements StoppableEventInterface
+{
+    protected string $exportKey = '';
+
+    /**
+     * @var array <string, mixed>
+     */
+    protected array $exportConfiguration = [];
+
+    /**
+     * @param array $settings
+     * @param string $config
+     */
+    public function __construct(array $settings, string $config)
+    {
+        $this->exportKey = $config;
+        $this->exportConfiguration = $settings;
+    }
+
+    /**
+     * checkExportConfigExists
+     *
+     * Event listener should call this method to check if access is needed
+     *
+     * @param string $exportKey
+     * @return bool
+     */
+    public function checkExportConfigExists(string $exportKey): bool
+    {
+        return $exportKey === $this->exportKey;
+    }
+
+    public function alternateExportQuery(string $export): void
+    {
+        if ($this->exportConfiguration['export'] && !$this->exportConfiguration['manipulated']) {
+            $this->exportConfiguration['export'] = $export;
+            $this->exportConfiguration['manipulated'] = true;
+        }
+    }
+
+    public function isPropagationStopped(): bool
+    {
+        $allManipulated = true;
+        if (!array_key_exists('manipulated', $this->exportConfiguration) || !$this->exportConfiguration['manipulated']) {
+            $allManipulated = false;
+        }
+        return $allManipulated;
+    }
+
+    public function getManipulatedSettings(): array
+    {
+        return $this->exportConfiguration;
+    }
+}