phpSpreadsheet export participations list for an event

Controller/EventController.php

@@ -24,7 +24,12 @@ namespace Chill\EventBundle\Controller;
 
 use Chill\EventBundle\Entity\Participation;
 use Chill\EventBundle\Form\Type\PickEventType;
-use Chill\EventBundle\Repository\ParticipationRepository;
+use PhpOffice\PhpSpreadsheet\Spreadsheet;
+use PhpOffice\PhpSpreadsheet\Writer\Csv;
+use PhpOffice\PhpSpreadsheet\Writer\Ods;
+use PhpOffice\PhpSpreadsheet\Writer\Xlsx;
+use Symfony\Component\Form\Extension\Core\Type\ChoiceType;
+use Symfony\Component\HttpFoundation\StreamedResponse;
 use Sensio\Bundle\FrameworkExtraBundle\Configuration\ParamConverter;
 use Chill\EventBundle\Security\Authorization\EventVoter;
 use Chill\MainBundle\Security\Authorization\AuthorizationHelper;
@@ -447,18 +452,135 @@ class EventController extends Controller
     /**
      * @paramConverter("event", options={"id" = "event_id"})
      * @param Event $event
+     * @param Request $request
      * @return \Symfony\Component\HttpFoundation\Response
+     * @throws \PhpOffice\PhpSpreadsheet\Exception
      */
-    public function exportParticipationsAction(Event $event)
+    public function exportParticipationsAction(Event $event, Request $request)
     {
-        dump($event);
+        $builder = $this->createFormBuilder()
+            ->add('format', ChoiceType::class, [
+                'choices' => [
+                    'xlsx' => 'xlsx',
+                    'ods' => 'ods',
+                    'csv' => 'csv'
+                ],
+                'label' => false,
+                'placeholder' => 'Select a format',
+                'attr' => [ 'class' => 'custom-select' ]
+            ])
+            ->add('submit', SubmitType::class, [
+                'label' => 'Export',
+                'attr' => [ 'class' => 'btn btn-outline-secondary' ]
+            ]);
+        
+        $form = $builder->getForm();
+        $form->handleRequest($request);
+        
+        if ($form->isSubmitted() && $form->isValid())
+        {
+            $data = $form->getData();
+            $format = $data['format'];
+            $filename = 'export_event_participations.' .$format;
+            
+            $spreadsheet = $this->createSpreadsheet($event);
+            
+            switch ($format) {
+                case 'ods':
+                    $contentType = 'application/vnd.oasis.opendocument.spreadsheet';
+                    $writer = new Ods($spreadsheet);
+                    break;
+                case 'xlsx':
+                    $contentType = 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet';
+                    $writer = new Xlsx($spreadsheet);
+                    break;
+                case 'csv':
+                    $contentType = 'text/csv';
+                    $writer = new Csv($spreadsheet);
+                    break;
+                default:
+                    return $this->render('ChillEventBundle:Event:exportParticipations.html.twig', [
+                        'event' => $event,
+                        'form' => $form->createView(),
+                    ]);
+            }
+        
+            $response = new StreamedResponse();
+            $response->headers->set('Content-Type', $contentType);
+            $response->headers->set('Content-Disposition', 'attachment;filename="'.$filename.'"');
+            $response->setPrivate();
+            $response->headers->addCacheControlDirective('no-cache', true);
+            $response->headers->addCacheControlDirective('must-revalidate', true);
+            $response->setCallback(function() use ($writer) {
+                $writer->save('php://output');
+            });
+        
+            return $response;
+        }
         
         return $this->render('ChillEventBundle:Event:exportParticipations.html.twig', [
-            'event'      => $event,
+            'event' => $event,
+            'form' => $form->createView(),
         ]);
     }
     
+    /**
+     * @param Event $event
+     * @return Spreadsheet
+     * @throws \PhpOffice\PhpSpreadsheet\Exception
+     */
+    protected function createSpreadsheet(Event $event)
+    {
+        $spreadsheet = new Spreadsheet();
+        $sheet = $spreadsheet->getActiveSheet();
     
+        $headerValues = [
+            'A1' => 'Event',
+            'B1' => $event->getId(),
+            'A2' => 'Date',
+            'B2' => $event->getDate()->format('d-m-Y H:i'),
+            'A3' => 'Name',
+            'B3' => $event->getName(),
+            'A4' => 'Type',
+            'B4' => $event->getType()->getName()['fr'], // TODO
+            'A5' => 'Circle',
+            'B5' => $event->getCircle()->getName()['fr'], // TODO 
+            'A6' => 'Moderator',
+            'B6' => $event->getModerator(),
+        ];
+        foreach ($headerValues as $k => $value) {
+            $sheet->setCellValue($k, $value);
+        }
+        
+        $columnNames = [ 'id', 'firstname', 'lastname', 'email' ];
+        $columnLetter = 'A';
+        foreach ($columnNames as $columnName) {
+            $sheet->setCellValue($columnLetter.'8', $columnName);
+            $columnLetter++;
+        }
+    
+        $columnValues = [];
+        foreach ($event->getParticipations() as $participation) {
+            $columnValues[] = [
+                $participation->getPerson()->getId(),
+                $participation->getPerson()->getFirstname(),
+                $participation->getPerson()->getLastname(),
+                $participation->getPerson()->getEmail()
+            ];
+        }
+        
+        $i = 9;
+        foreach ($columnValues as $columnValue) {
+            $columnLetter = 'A';
+            foreach ($columnValue as $value) {
+                $sheet->setCellValue($columnLetter.$i, $value);
+                $columnLetter++;
+            }
+            $i++;
+        }
+        
+        return $spreadsheet;
+    }
     
     
     // pour aller plus loin