Add Sheet upload function

2026-03-06 04:44:19 +01:00 · 2025-04-28 08:01:27 +02:00
parent 9bae324447
commit 49b7c0f5d5
29 changed files with 1106 additions and 135 deletions
--- a/src/Controller/BackofficeController.php
+++ b/src/Controller/BackofficeController.php
@@ -4,19 +4,28 @@ declare(strict_types=1);

 namespace App\Controller;

+use App\Entity\Candidate;
 use App\Entity\Quiz;
 use App\Entity\Season;
 use App\Entity\User;
+use App\Enum\FlashType;
+use App\Form\AddCandidatesFormType;
+use App\Form\CreateSeasonFormType;
+use App\Form\UploadQuizFormType;
 use App\Repository\CandidateRepository;
 use App\Repository\SeasonRepository;
 use App\Security\Voter\SeasonVoter;
+use App\Service\QuizSpreadsheetService;
 use Doctrine\ORM\EntityManagerInterface;
 use Symfony\Bundle\SecurityBundle\Security;
+use Symfony\Component\HttpFoundation\File\UploadedFile;
+use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpFoundation\StreamedResponse;
 use Symfony\Component\HttpKernel\Attribute\AsController;
 use Symfony\Component\Routing\Attribute\Route;
 use Symfony\Component\Security\Http\Attribute\IsGranted;
-use Symfony\Component\Serializer\SerializerInterface;
+use Symfony\Contracts\Translation\TranslatorInterface;

 #[AsController]
 #[IsGranted('ROLE_USER')]
@@ -26,6 +35,7 @@ final class BackofficeController extends AbstractController
        private readonly SeasonRepository $seasonRepository,
        private readonly CandidateRepository $candidateRepository,
        private readonly Security $security,
+        private readonly TranslatorInterface $translator,
    ) {}

    #[Route('/backoffice/', name: 'app_backoffice_index')]
@@ -43,6 +53,30 @@ final class BackofficeController extends AbstractController
        ]);
    }

+    #[Route('/backoffice/add', name: 'app_backoffice_season_add', priority: 10)]
+    public function seasonAdd(Request $request, EntityManagerInterface $em): Response
+    {
+        $season = new Season();
+        $form = $this->createForm(CreateSeasonFormType::class, $season);
+
+        $form->handleRequest($request);
+
+        if ($form->isSubmitted() && $form->isValid()) {
+            $user = $this->getUser();
+            \assert($user instanceof User);
+
+            $season->addOwner($user);
+            $season->generateSeasonCode();
+
+            $em->persist($season);
+            $em->flush();
+
+            return $this->redirectToRoute('app_backoffice_season', ['seasonCode' => $season->getSeasonCode()]);
+        }
+
+        return $this->render('backoffice/season_add.html.twig', ['form' => $form]);
+    }
+
    #[Route('/backoffice/{seasonCode}', name: 'app_backoffice_season')]
    #[IsGranted(SeasonVoter::EDIT, subject: 'season')]
    public function season(Season $season): Response
@@ -72,9 +106,58 @@ final class BackofficeController extends AbstractController
        return $this->redirectToRoute('app_backoffice_season', ['seasonCode' => $season->getSeasonCode()]);
    }

-    #[Route('/backoffice/{seasonCode}/{quiz}/yaml')]
-    public function testRoute(Season $season, Quiz $quiz, SerializerInterface $serializer): Response
+    #[Route('/backoffice/{seasonCode}/add_candidate', name: 'app_backoffice_add_candidates', priority: 10)]
+    public function addCandidates(Season $season, Request $request, EntityManagerInterface $em): Response
    {
-        return new Response($serializer->serialize(\App\Resource\Quiz::fromEntity($quiz)->questions, 'yaml', ['yaml_inline' => 100, 'yaml_flags' => 0]), headers: ['Content-Type' => 'text/yaml']);
+        $form = $this->createForm(AddCandidatesFormType::class);
+        $form->handleRequest($request);
+
+        if ($form->isSubmitted() && $form->isValid()) {
+            $candidates = $form->get('candidates')->getData();
+            foreach (explode("\r\n", $candidates) as $candidate) {
+                $season->addCandidate(new Candidate($candidate));
+            }
+            $em->flush();
+
+            return $this->redirectToRoute('app_backoffice_season', ['seasonCode' => $season->getSeasonCode()]);
+        }
+
+        return $this->render('backoffice/season_add_candidates.html.twig', ['form' => $form]);
+    }
+
+    #[Route('/backoffice/{seasonCode}/add', name: 'app_backoffice_quiz_add', priority: 10)]
+    public function addQuiz(Request $request, Season $season, QuizSpreadsheetService $quizSpreadsheet, EntityManagerInterface $em): Response
+    {
+        $quiz = new Quiz();
+        $form = $this->createForm(UploadQuizFormType::class, $quiz);
+
+        $form->handleRequest($request);
+
+        if ($form->isSubmitted() && $form->isValid()) {
+            /* @var UploadedFile $sheet */
+            $sheet = $form->get('sheet')->getData();
+
+            $quizSpreadsheet->xlsxToQuiz($quiz, $sheet);
+
+            $quiz->setSeason($season);
+            $em->persist($quiz);
+            $em->flush();
+
+            $this->addFlash(FlashType::Success, $this->translator->trans('Quiz Added!'));
+
+            return $this->redirectToRoute('app_backoffice_season', ['seasonCode' => $season->getSeasonCode()]);
+        }
+
+        return $this->render('/backoffice/quiz_add.html.twig', ['form' => $form, 'season' => $season]);
+    }
+
+    #[Route('/backoffice/template', name: 'app_backoffice_template', priority: 10)]
+    public function getTemplate(QuizSpreadsheetService $excel): Response
+    {
+        $response = new StreamedResponse($excel->generateTemplate());
+        $response->headers->set('Content-Type', 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
+        $response->headers->set('Content-Disposition', 'attachment; filename="template.xlsx"');
+
+        return $response;
    }
 }
--- a/src/DataFixtures/KrtekFixtures.php
+++ b/src/DataFixtures/KrtekFixtures.php
@@ -52,6 +52,7 @@ class KrtekFixtures extends Fixture
                ->setQuestion('Is de Krtek een man of een vrouw?')
                ->addAnswer(new Answer('Vrouw', true))
                ->addAnswer(new Answer('Man'))
+                ->setOrdering(1)
            )

            ->addQuestion((new Question())
@@ -59,6 +60,7 @@ class KrtekFixtures extends Fixture
                ->addAnswer(new Answer('Geen', true))
                ->addAnswer(new Answer('1'))
                ->addAnswer(new Answer('2'))
+                ->setOrdering(2)
            )

            ->addQuestion((new Question())
@@ -68,12 +70,14 @@ class KrtekFixtures extends Fixture
                ->addAnswer(new Answer('Koningsdag'))
                ->addAnswer(new Answer('Kerst', true))
                ->addAnswer(new Answer('Oud en Nieuw'))
+                ->setOrdering(3)
            )

            ->addQuestion((new Question())
                ->setQuestion('Hoe kwam de Krtek naar Kersteren vandaag?')
                ->addAnswer(new Answer('Met het OV', true))
                ->addAnswer(new Answer('Met de auto'))
+                ->setOrdering(4)
            )
            ->addQuestion((new Question())
                ->setQuestion('Met wie keek de Krtek video bij binnenkomst?')
@@ -90,6 +94,7 @@ class KrtekFixtures extends Fixture
                ->addAnswer(new Answer('Remy'))
                ->addAnswer(new Answer('Robbert'))
                ->addAnswer(new Answer('Tom', true))
+                ->setOrdering(5)
            )

            ->addQuestion((new Question())
@@ -102,6 +107,7 @@ class KrtekFixtures extends Fixture
                ->addAnswer(new Answer('Probeer ook eens buiten de lijntjes te kleuren', true))
                ->addAnswer(new Answer('Ga als je groot bent op groepsreis! '))
                ->addAnswer(new Answer('Trek minder aan van de mening van anderen, het is oké om anders te zijn.'))
+                ->setOrdering(6)
            )

            ->addQuestion((new Question())
@@ -112,6 +118,7 @@ class KrtekFixtures extends Fixture
                ->addAnswer(new Answer('Pantoffels'))
                ->addAnswer(new Answer('Hakken'))
                ->addAnswer(new Answer('Geen schoenen, alleen sokken'))
+                ->setOrdering(7)
            )

            ->addQuestion((new Question())
@@ -119,12 +126,14 @@ class KrtekFixtures extends Fixture
                ->addAnswer(new Answer('Fiets', true))
                ->addAnswer(new Answer('Auto'))
                ->addAnswer(new Answer('Trein'))
+                ->setOrdering(8)
            )

            ->addQuestion((new Question())
                ->setQuestion('Heeft de Krtek een eigen auto?')
                ->addAnswer(new Answer('Ja'))
                ->addAnswer(new Answer('Nee', true))
+                ->setOrdering(9)
            )

            ->addQuestion((new Question())
@@ -144,12 +153,14 @@ class KrtekFixtures extends Fixture
                ->addAnswer(new Answer('Pieter'))
                ->addAnswer(new Answer('Renée Fokker'))
                ->addAnswer(new Answer('Sam, Davy', true))
+                ->setOrdering(10)
            )

            ->addQuestion((new Question())
                ->setQuestion('Zou de Krtek molboekjes, jokers, vrijstellingen of topito’s uit iemands rugzak stelen om te kunnen winnen?')
                ->addAnswer(new Answer('Ja'))
                ->addAnswer(new Answer('Nee', true))
+                ->setOrdering(11)
            )

            ->addQuestion((new Question())
@@ -157,6 +168,7 @@ class KrtekFixtures extends Fixture
                ->addAnswer(new Answer('Éénpersoons, losstaand bed'))
                ->addAnswer(new Answer('Éénpersoonsbed, tegen een ander bed aan', true))
                ->addAnswer(new Answer('Tweepersoons bed'))
+                ->setOrdering(12)
            )

            ->addQuestion((new Question())
@@ -165,12 +177,14 @@ class KrtekFixtures extends Fixture
                ->addAnswer(new Answer('6', true))
                ->addAnswer(new Answer('7'))
                ->addAnswer(new Answer('8'))
+                ->setOrdering(13)
            )

            ->addQuestion((new Question())
                ->setQuestion('Waar zat de Krtek aan tafel bij het diner?')
                ->addAnswer(new Answer('Met de rug naar de accommodatie'))
                ->addAnswer(new Answer('Met de rug naar de buitenmuur', true))
+                ->setOrdering(14)
            )

            ->addQuestion((new Question())
@@ -188,6 +202,7 @@ class KrtekFixtures extends Fixture
                ->addAnswer(new Answer('Remy'))
                ->addAnswer(new Answer('Robbert'))
                ->addAnswer(new Answer('Tom'))
+                ->setOrdering(15)
            )
        ;
    }
@@ -202,6 +217,7 @@ class KrtekFixtures extends Fixture
                ->setQuestion('Is de Krtek een man of een vrouw?')
                ->addAnswer(new Answer('Man'))
                ->addAnswer(new Answer('Vrouw', true))
+                ->setOrdering(1)
            )

            ->addQuestion((new Question())
@@ -213,6 +229,7 @@ class KrtekFixtures extends Fixture
                ->addAnswer(new Answer('De Krtek heeft een intolerantie'))
                ->addAnswer(new Answer('De Krtek eet geen rundvlees'))
                ->addAnswer(new Answer('De Krtek eet geen waterdieren'))
+                ->setOrdering(2)
            )

            ->addQuestion((new Question())
@@ -224,6 +241,7 @@ class KrtekFixtures extends Fixture
                ->addAnswer(new Answer('Tom'))
                ->addAnswer(new Answer('De huisdieren van de Krtek hebben geen naam'))
                ->addAnswer(new Answer('De Krtek heeft geen huisdieren', true))
+                ->setOrdering(3)
            )

            ->addQuestion((new Question())
@@ -234,6 +252,7 @@ class KrtekFixtures extends Fixture
                ->addAnswer(new Answer('Melk'))
                ->addAnswer(new Answer('Sap'))
                ->addAnswer(new Answer('Niks'))
+                ->setOrdering(4)
            )

            ->addQuestion((new Question())
@@ -245,6 +264,7 @@ class KrtekFixtures extends Fixture
                ->addAnswer(new Answer('Oostenrijk'))
                ->addAnswer(new Answer('Turkije'))
                ->addAnswer(new Answer('Zweden', true))
+                ->setOrdering(5)
            )

            ->addQuestion((new Question())
@@ -254,6 +274,7 @@ class KrtekFixtures extends Fixture
                ->addAnswer(new Answer('Het derde groepje'))
                ->addAnswer(new Answer('Het vierde groepje'))
                ->addAnswer(new Answer('Het vijfde groepje'))
+                ->setOrdering(6)
            )

            ->addQuestion((new Question())
@@ -262,12 +283,14 @@ class KrtekFixtures extends Fixture
                ->addAnswer(new Answer('Het universum', true))
                ->addAnswer(new Answer('Toeval'))
                ->addAnswer(new Answer('De Krtek is hindoeïstisch'))
+                ->setOrdering(7)
            )

            ->addQuestion((new Question())
                ->setQuestion('At de Krtek op vrijdagavond heksenkaas tijdens het diner?')
                ->addAnswer(new Answer('Ja', true))
                ->addAnswer(new Answer('Nee'))
+                ->setOrdering(8)
            )

            ->addQuestion((new Question())
@@ -276,6 +299,7 @@ class KrtekFixtures extends Fixture
                ->addAnswer(new Answer('Tussen 1:00 en 1:59 uur', true))
                ->addAnswer(new Answer('Tussen 2:00 en 2:59 uur'))
                ->addAnswer(new Answer('Na 3:00'))
+                ->setOrdering(9)
            )

            ->addQuestion((new Question())
@@ -284,6 +308,7 @@ class KrtekFixtures extends Fixture
                ->addAnswer(new Answer('2'))
                ->addAnswer(new Answer('3'))
                ->addAnswer(new Answer('geen', true))
+                ->setOrdering(10)
            )

            ->addQuestion((new Question())
@@ -294,6 +319,7 @@ class KrtekFixtures extends Fixture
                ->addAnswer(new Answer('Sesamstraat'))
                ->addAnswer(new Answer('Spongebob Squarepants'))
                ->addAnswer(new Answer('Teletubbies'))
+                ->setOrdering(11)
            )

            ->addQuestion((new Question())
@@ -301,6 +327,7 @@ class KrtekFixtures extends Fixture
                ->addAnswer(new Answer('In koffer(s)', true))
                ->addAnswer(new Answer('In losse tas(sen)'))
                ->addAnswer(new Answer('In een rugzak'))
+                ->setOrdering(12)
            )

            ->addQuestion((new Question())
@@ -313,12 +340,14 @@ class KrtekFixtures extends Fixture
                ->addAnswer(new Answer('Servies dat tegen elkaar klettert'))
                ->addAnswer(new Answer('Het geroekoe van een duif', true))
                ->addAnswer(new Answer('Piepschuim'))
+                ->setOrdering(13)
            )

            ->addQuestion((new Question())
                ->setQuestion('Wilde de Krtek penningmeester worden?')
                ->addAnswer(new Answer('Ja'))
                ->addAnswer(new Answer('Nee', true))
+                ->setOrdering(14)
            )

            ->addQuestion((new Question())
@@ -336,6 +365,7 @@ class KrtekFixtures extends Fixture
                ->addAnswer(new Answer('Remy'))
                ->addAnswer(new Answer('Robbert'))
                ->addAnswer(new Answer('Tom'))
+                ->setOrdering(15)
            )
        ;
    }
--- a/src/Entity/Answer.php
+++ b/src/Entity/Answer.php
@@ -7,6 +7,7 @@ namespace App\Entity;
 use App\Repository\AnswerRepository;
 use Doctrine\Common\Collections\ArrayCollection;
 use Doctrine\Common\Collections\Collection;
+use Doctrine\DBAL\Types\Types;
 use Doctrine\ORM\Mapping as ORM;
 use Symfony\Bridge\Doctrine\IdGenerator\UuidGenerator;
 use Symfony\Bridge\Doctrine\Types\UuidType;
@@ -21,6 +22,9 @@ class Answer
    #[ORM\CustomIdGenerator(class: UuidGenerator::class)]
    private Uuid $id;

+    #[ORM\Column(type: Types::SMALLINT, options: ['default' => 0])]
+    private int $ordering;
+
    #[ORM\ManyToOne(inversedBy: 'answers')]
    #[ORM\JoinColumn(nullable: false)]
    private Question $question;
@@ -121,4 +125,16 @@ class Answer

        return $this;
    }
+
+    public function getOrdering(): int
+    {
+        return $this->ordering;
+    }
+
+    public function setOrdering(int $ordering): self
+    {
+        $this->ordering = $ordering;
+
+        return $this;
+    }
 }
--- a/src/Entity/Question.php
+++ b/src/Entity/Question.php
@@ -7,6 +7,7 @@ namespace App\Entity;
 use App\Repository\QuestionRepository;
 use Doctrine\Common\Collections\ArrayCollection;
 use Doctrine\Common\Collections\Collection;
+use Doctrine\DBAL\Types\Types;
 use Doctrine\ORM\Mapping as ORM;
 use Symfony\Bridge\Doctrine\IdGenerator\UuidGenerator;
 use Symfony\Bridge\Doctrine\Types\UuidType;
@@ -21,7 +22,10 @@ class Question
    #[ORM\CustomIdGenerator(class: UuidGenerator::class)]
    private ?Uuid $id = null;

-    #[ORM\Column(length: 255, nullable: false)]
+    #[ORM\Column(type: Types::SMALLINT, options: ['default' => 0])]
+    private int $ordering;
+
+    #[ORM\Column(type: Types::STRING, length: 255)]
    private string $question;

    #[ORM\ManyToOne(inversedBy: 'questions')]
@@ -33,6 +37,7 @@ class Question

    /** @var Collection<int, Answer> */
    #[ORM\OneToMany(targetEntity: Answer::class, mappedBy: 'question', cascade: ['persist'], orphanRemoval: true)]
+    #[ORM\OrderBy(['ordering' => 'ASC'])]
    private Collection $answers;

    public function __construct()
@@ -115,4 +120,16 @@ class Question

        return null;
    }
+
+    public function getOrdering(): int
+    {
+        return $this->ordering;
+    }
+
+    public function setOrdering(int $ordering): static
+    {
+        $this->ordering = $ordering;
+
+        return $this;
+    }
 }
--- a/src/Entity/Quiz.php
+++ b/src/Entity/Quiz.php
@@ -30,6 +30,7 @@ class Quiz

    /** @var Collection<int, Question> */
    #[ORM\OneToMany(targetEntity: Question::class, mappedBy: 'quiz', cascade: ['persist'], orphanRemoval: true)]
+    #[ORM\OrderBy(['ordering' => 'ASC'])]
    private Collection $questions;

    /** @var Collection<int, Correction> */
--- a/src/Entity/Season.php
+++ b/src/Entity/Season.php
@@ -15,6 +15,8 @@ use Symfony\Component\Uid\Uuid;
 #[ORM\Entity(repositoryClass: SeasonRepository::class)]
 class Season
 {
+    private const string SEASON_CODE_CHARACTERS = 'bcdfghjklmnpqrstvwxz';
+
    #[ORM\Id]
    #[ORM\Column(type: UuidType::NAME)]
    #[ORM\GeneratedValue(strategy: 'CUSTOM')]
@@ -148,4 +150,18 @@ class Season
    {
        return $this->owners->contains($user);
    }
+
+    public function generateSeasonCode(): self
+    {
+        $code = '';
+        $len = mb_strlen(self::SEASON_CODE_CHARACTERS) - 1;
+
+        for ($i = 0; $i < 5; ++$i) {
+            $code .= self::SEASON_CODE_CHARACTERS[random_int(0, $len)];
+        }
+
+        $this->seasonCode = $code;
+
+        return $this;
+    }
 }
--- a/src/Exception/SpreadsheetDataException.php
+++ b/src/Exception/SpreadsheetDataException.php
@@ -0,0 +1,18 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Exception;
+
+class SpreadsheetDataException extends SpreadsheetException
+{
+    /** @param list<string> $errors */
+    public function __construct(
+        public readonly array $errors,
+        string $message = '',
+        int $code = 0,
+        ?\Throwable $previous = null,
+    ) {
+        parent::__construct($message, $code, $previous);
+    }
+}
--- a/src/Exception/SpreadsheetException.php
+++ b/src/Exception/SpreadsheetException.php
@@ -0,0 +1,7 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Exception;
+
+class SpreadsheetException extends \Exception {}
--- a/src/Form/CreateSeasonFormType.php
+++ b/src/Form/CreateSeasonFormType.php
@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Form;
+
+use App\Entity\Season;
+use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\Extension\Core\Type\TextType;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+use Symfony\Contracts\Translation\TranslatorInterface;
+
+/** @extends AbstractType<Season> */
+class CreateSeasonFormType extends AbstractType
+{
+    public function __construct(private readonly TranslatorInterface $translator) {}
+
+    public function buildForm(FormBuilderInterface $builder, array $options): void
+    {
+        $builder
+            ->add('name', TextType::class, [
+                'label' => $this->translator->trans('Season Name'),
+            ])
+        ;
+    }
+
+    public function configureOptions(OptionsResolver $resolver): void
+    {
+        $resolver->setDefaults([
+            'data_class' => Season::class,
+        ]);
+    }
+}
--- a/src/Form/UploadQuizFormType.php
+++ b/src/Form/UploadQuizFormType.php
@@ -0,0 +1,50 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Form;
+
+use App\Entity\Quiz;
+use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\Extension\Core\Type\FileType;
+use Symfony\Component\Form\Extension\Core\Type\TextType;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+use Symfony\Component\Validator\Constraints\File;
+use Symfony\Contracts\Translation\TranslatorInterface;
+
+/** @extends AbstractType<Quiz> */
+class UploadQuizFormType extends AbstractType
+{
+    public function __construct(private readonly TranslatorInterface $translator) {}
+
+    public function buildForm(FormBuilderInterface $builder, array $options): void
+    {
+        $builder
+            ->add('name', TextType::class, [
+                'label' => $this->translator->trans('Quiz name'),
+            ])
+            ->add('sheet', FileType::class, [
+                'label' => $this->translator->trans('Quiz (xlsx)'),
+                'mapped' => false,
+                'required' => true,
+                'constraints' => [
+                    new File([
+                        'maxSize' => '1024k',
+                        'mimeTypes' => [
+                            'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
+                        ],
+                        'mimeTypesMessage' => $this->translator->trans('Please upload a valid XLSX file'),
+                    ]),
+                ],
+            ])
+        ;
+    }
+
+    public function configureOptions(OptionsResolver $resolver): void
+    {
+        $resolver->setDefaults([
+            'data_class' => Quiz::class,
+        ]);
+    }
+}
--- a/src/Resource/Quiz.php
+++ b/src/Resource/Quiz.php
@@ -1,42 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace App\Resource;
-
-use App\Entity\Answer;
-use App\Entity\Quiz as QuizEntity;
-use Doctrine\Common\Collections\Collection;
-
-final class Quiz
-{
-    /** @param array<string, array<string, bool>> $questions*/
-    public function __construct(
-        public array $questions,
-    ) {}
-
-    public static function fromEntity(QuizEntity $quiz): self
-    {
-        $questions = [];
-
-        foreach ($quiz->getQuestions() as $question) {
-            $questions[$question->getQuestion()] = self::answerArray($question->getAnswers());
-        }
-
-        return new self($questions);
-    }
-
-    /** @param Collection<int, Answer> $answers
-     * @return array<string, bool>
-     **/
-    private static function answerArray(Collection $answers): array
-    {
-        $result = [];
-
-        foreach ($answers as $answer) {
-            $result[$answer->getText()] = $answer->isRightAnswer();
-        }
-
-        return $result;
-    }
-}
--- a/src/Service/QuizSpreadsheetService.php
+++ b/src/Service/QuizSpreadsheetService.php
@@ -0,0 +1,123 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Service;
+
+use App\Entity\Answer;
+use App\Entity\Question;
+use App\Entity\Quiz;
+use App\Exception\SpreadsheetDataException;
+use PhpOffice\PhpSpreadsheet\Spreadsheet;
+use PhpOffice\PhpSpreadsheet\Writer\Xlsx;
+use Symfony\Component\HttpFoundation\File\File;
+
+class QuizSpreadsheetService
+{
+    public function generateTemplate(bool $fillExample = true): \Closure
+    {
+        $spreadsheet = new Spreadsheet();
+
+        $sheet = $spreadsheet->getActiveSheet();
+
+        $sheet->getStyle('1:1')->getFont()->setBold(true);
+
+        $sheet->setCellValue('A1', 'Question');
+        $sheet->getColumnDimension('A')->setWidth(30);
+        $sheet->getStyle('A:A')->getAlignment()->setWrapText(true);
+
+        $counter = 1;
+        foreach (range('B', 'L', 2) as $column) {
+            $sheet->setCellValue($column.'1', 'Answer '.$counter++);
+            $sheet->getColumnDimension($column)->setWidth(30);
+            $sheet->getStyle($column.':'.$column)->getAlignment()->setWrapText(true);
+        }
+
+        foreach (range('C', 'M', 2) as $column) {
+            $sheet->setCellValue($column.'1', 'Correct');
+            $sheet->getColumnDimension($column)->setAutoSize(true);
+        }
+
+        if ($fillExample) {
+            $sheet->setCellValue('B2', 'Man');
+            $sheet->setCellValue('C2', true);
+
+            $sheet->setCellValue('D2', 'Vrouw');
+            $sheet->setCellValue('E2', false);
+
+            $sheet->setCellValue('A2', 'Is de mol een man of een vrouw?');
+        }
+
+        return $this->toXlsx($spreadsheet);
+    }
+
+    /** @throws SpreadsheetDataException */
+    public function xlsxToQuiz(Quiz $quiz, File $file): Quiz
+    {
+        $spreadsheet = $this->readSheet($file);
+        $sheet = $spreadsheet->getSheet($spreadsheet->getFirstSheetIndex());
+
+        $answerLines = \array_slice($sheet->toArray(formatData: false), 1);
+
+        return $this->fillQuizFromArray($quiz, $answerLines);
+    }
+
+    private function readSheet(File $file): Spreadsheet
+    {
+        return (new \PhpOffice\PhpSpreadsheet\Reader\Xlsx())->setReadDataOnly(true)->load($file->getRealPath());
+    }
+
+    /**
+     * @param array<int, array<int, string|bool|null>> $sheet
+     *
+     * @throws SpreadsheetDataException
+     */
+    private function fillQuizFromArray(Quiz $quiz, array $sheet): Quiz
+    {
+        $errors = [];
+
+        $questionCounter = 1;
+        foreach ($sheet as $questionArr) {
+            if (null === $questionArr[0]) {
+                break;
+            }
+
+            $question = new Question();
+            $question->setQuestion((string) $questionArr[0]);
+            $question->setOrdering($questionCounter++);
+
+            $answerCounter = 1;
+            $arrCounter = 1;
+
+            while (true) {
+                if (null === $questionArr[$arrCounter]) {
+                    if (1 === $answerCounter) {
+                        $errors[] = \sprintf('Question %d has no answers', $answerCounter);
+                    }
+                    break;
+                }
+
+                $answer = new Answer((string) $questionArr[$arrCounter++], (bool) $questionArr[$arrCounter++]);
+                $answer->setOrdering($answerCounter++);
+                $question->addAnswer($answer);
+            }
+
+            $quiz->addQuestion($question);
+        }
+
+        if ([] !== $errors) {
+            throw new SpreadsheetDataException($errors);
+        }
+
+        return $quiz;
+    }
+
+    public function quizToXlsx(Quiz $quiz): void {}
+
+    private function toXlsx(Spreadsheet $spreadsheet): \Closure
+    {
+        $writer = new Xlsx($spreadsheet);
+
+        return static fn () => $writer->save('php://output');
+    }
+}