feat: markdown in email body for mailing and transactional

tests/Service/Teamer/TeamerMailingServiceTest.php

@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace App\Tests\Service\Teamer;
 
+use App\Email\MailBodyRenderer;
 use App\Email\Mailer;
 use App\Entity\Teamer;
 use App\Entity\User;
@@ -30,9 +31,12 @@ class TeamerMailingServiceTest extends TestCase
         $this->teamerRepository = $this->createMock(TeamerRepository::class);
         $this->mailer = $this->createMock(Mailer::class);
 
+        // The real renderer, not a mock: what the mailing puts in front of a teamer is
+        // Markdown turned into HTML, and getting that wrong is the whole risk here.
         $this->service = new TeamerMailingService(
             $this->teamerRepository,
             $this->mailer,
+            new MailBodyRenderer(),
             $this->createMock(LoggerInterface::class),
             'mailing',
         );
@@ -111,7 +115,7 @@ class TeamerMailingServiceTest extends TestCase
             ->expects($this->exactly(2))
             ->method('createAndSendEmail')
             ->willReturnCallback(function (array $context, array $options) use (&$sent): void {
-                $sent[] = [$options['to'], $options['subject'], $context['message']];
+                $sent[] = [$options['to'], $options['subject'], $context['bodyHtml']];
             })
         ;
 
@@ -123,8 +127,8 @@ class TeamerMailingServiceTest extends TestCase
         ));
 
         $this->assertSame([
-            ['[email protected]', 'Hallo Anna', 'Servus Anna Berg'],
-            ['[email protected]', 'Hallo Bea', 'Servus Bea Ohm'],
+            ['[email protected]', 'Hallo Anna', '<p>Servus Anna Berg</p>'],
+            ['[email protected]', 'Hallo Bea', '<p>Servus Bea Ohm</p>'],
         ], $sent);
     }
 
@@ -210,7 +214,7 @@ class TeamerMailingServiceTest extends TestCase
             ->expects($this->once())
             ->method('createAndSendEmail')
             ->with(
-                ['message' => 'Servus Rita Kern'],
+                ['bodyHtml' => '<p>Servus Rita Kern</p>'],
                 $this->callback(function (array $options): bool {
                     $this->assertSame('[email protected]', $options['to']);
                     $this->assertSame('[Vorschau] Hallo Rita', $options['subject']);