Render email once
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00e33563c7
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186ea59180
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@ -46,6 +46,14 @@ final class BodyRenderer implements BodyRendererInterface
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}
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$messageContext = $message->getContext();
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$previousRenderingKey = $messageContext[__CLASS__] ?? null;
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unset($messageContext[__CLASS__]);
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$currentRenderingKey = md5(serialize([$messageContext, $message->getTextTemplate(), $message->getHtmlTemplate()]));
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if ($previousRenderingKey === $currentRenderingKey) {
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return;
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}
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if (isset($messageContext['email'])) {
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throw new InvalidArgumentException(sprintf('A "%s" context cannot have an "email" entry as this is a reserved variable.', \get_class($message)));
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}
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@ -66,6 +74,7 @@ final class BodyRenderer implements BodyRendererInterface
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if (!$message->getTextBody() && null !== $html = $message->getHtmlBody()) {
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$message->text($this->convertHtmlToText(\is_resource($html) ? stream_get_contents($html) : $html));
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}
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$message->context($message->getContext() + [__CLASS__ => $currentRenderingKey]);
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}
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private function convertHtmlToText(string $html): string
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@ -79,6 +79,27 @@ HTML;
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$this->prepareEmail('Text', '', ['email' => 'reserved!']);
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}
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public function testRenderedOnce()
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{
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$twig = new Environment(new ArrayLoader([
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'text' => 'Text',
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]));
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$renderer = new BodyRenderer($twig);
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$email = (new TemplatedEmail())
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->to('fabien@symfony.com')
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->from('helene@symfony.com')
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;
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$email->textTemplate('text');
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$renderer->render($email);
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$this->assertEquals('Text', $email->getTextBody());
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$email->text('reset');
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$renderer->render($email);
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$this->assertEquals('reset', $email->getTextBody());
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}
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private function prepareEmail(?string $text, ?string $html, array $context = []): TemplatedEmail
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{
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$twig = new Environment(new ArrayLoader([
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