Add event subscriber to convert docs to PDF before signature

Introduce ConvertToPdfBeforeSignatureStepEventSubscriber to convert documents to PDF when reaching a signature step in the workflow. Includes tests to ensure the conversion process only triggers when necessary.

.gitlab-ci.yml

@@ -122,7 +122,7 @@ unit_tests:
         - php tests/console chill:db:sync-views --env=test
         - php -d memory_limit=2G tests/console cache:clear --env=test
         - php -d memory_limit=3G tests/console doctrine:fixtures:load -n --env=test
-        - php -d memory_limit=4G bin/phpunit --colors=never --exclude-group dbIntensive,openstack-integration
+        - php -d memory_limit=4G bin/phpunit --colors=never --exclude-group dbIntensive,openstack-integration,collabora-integration
     artifacts:
         expire_in: 1 day
         paths:

src/Bundle/ChillDocStoreBundle/Entity/StoredObjectPointInTime.php

@@ -0,0 +1,67 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\DocStoreBundle\Entity;
+
+use Chill\MainBundle\Doctrine\Model\TrackCreationInterface;
+use Chill\MainBundle\Doctrine\Model\TrackCreationTrait;
+use Chill\MainBundle\Entity\User;
+use Doctrine\ORM\Mapping as ORM;
+
+/**
+ * Represents a snapshot of a stored object at a specific point in time.
+ *
+ * This entity tracks versions of stored objects, reasons for the snapshot,
+ * and the user who initiated the action.
+ */
+#[ORM\Entity]
+#[ORM\Table(name: 'stored_object_point_in_time', schema: 'chill_doc')]
+class StoredObjectPointInTime implements TrackCreationInterface
+{
+    use TrackCreationTrait;
+
+    #[ORM\Id]
+    #[ORM\GeneratedValue]
+    #[ORM\Column(type: \Doctrine\DBAL\Types\Types::INTEGER)]
+    private ?int $id = null;
+
+    public function __construct(
+        #[ORM\ManyToOne(targetEntity: StoredObjectVersion::class, inversedBy: 'pointInTimes')]
+        #[ORM\JoinColumn(name: 'stored_object_version_id', nullable: false)]
+        private StoredObjectVersion $objectVersion,
+        #[ORM\Column(name: 'reason', type: 'text', nullable: false, enumType: StoredObjectPointInTimeReasonEnum::class)]
+        private StoredObjectPointInTimeReasonEnum $reason,
+        #[ORM\ManyToOne(targetEntity: User::class)]
+        private ?User $byUser = null,
+    ) {
+        $this->objectVersion->addPointInTime($this);
+    }
+
+    public function getId(): ?int
+    {
+        return $this->id;
+    }
+
+    public function getByUser(): ?User
+    {
+        return $this->byUser;
+    }
+
+    public function getObjectVersion(): StoredObjectVersion
+    {
+        return $this->objectVersion;
+    }
+
+    public function getReason(): StoredObjectPointInTimeReasonEnum
+    {
+        return $this->reason;
+    }
+}

src/Bundle/ChillDocStoreBundle/Entity/StoredObjectPointInTimeReasonEnum.php

@@ -0,0 +1,18 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\DocStoreBundle\Entity;
+
+enum StoredObjectPointInTimeReasonEnum: string
+{
+    case KEEP_BEFORE_CONVERSION = 'keep-before-conversion';
+    case KEEP_BY_USER = 'keep-by-user';
+}

src/Bundle/ChillDocStoreBundle/Entity/StoredObjectVersion.php

@@ -13,6 +13,9 @@ namespace Chill\DocStoreBundle\Entity;
 
 use Chill\MainBundle\Doctrine\Model\TrackCreationInterface;
 use Chill\MainBundle\Doctrine\Model\TrackCreationTrait;
+use Doctrine\Common\Collections\ArrayCollection;
+use Doctrine\Common\Collections\Collection;
+use Doctrine\Common\Collections\Selectable;
 use Doctrine\ORM\Mapping as ORM;
 use Random\RandomException;
 
@@ -39,6 +42,12 @@ class StoredObjectVersion implements TrackCreationInterface
     #[ORM\Column(type: \Doctrine\DBAL\Types\Types::TEXT, nullable: false, options: ['default' => ''])]
     private string $filename = '';
 
+    /**
+     * @var Collection<int, StoredObjectPointInTime>&Selectable<int, StoredObjectPointInTime>
+     */
+    #[ORM\OneToMany(mappedBy: 'objectVersion', targetEntity: StoredObjectPointInTime::class, cascade: ['persist', 'remove'], orphanRemoval: true)]
+    private Collection&Selectable $pointInTimes;
+
     public function __construct(
         /**
          * The stored object associated with this version.
@@ -77,6 +86,7 @@ class StoredObjectVersion implements TrackCreationInterface
         ?string $filename = null,
     ) {
         $this->filename = $filename ?? self::generateFilename($this);
+        $this->pointInTimes = new ArrayCollection();
     }
 
     public static function generateFilename(StoredObjectVersion $storedObjectVersion): string
@@ -124,4 +134,40 @@ class StoredObjectVersion implements TrackCreationInterface
     {
         return $this->version;
     }
+
+    /**
+     * @return Collection<int, StoredObjectPointInTime>&Selectable<int, StoredObjectPointInTime>
+     */
+    public function getPointInTimes(): Selectable&Collection
+    {
+        return $this->pointInTimes;
+    }
+
+    public function hasPointInTimes(): bool
+    {
+        return $this->pointInTimes->count() > 0;
+    }
+
+    /**
+     * @return $this
+     *
+     * @internal use @see{StoredObjectPointInTime} constructor instead
+     */
+    public function addPointInTime(StoredObjectPointInTime $storedObjectPointInTime): self
+    {
+        if (!$this->pointInTimes->contains($storedObjectPointInTime)) {
+            $this->pointInTimes->add($storedObjectPointInTime);
+        }
+
+        return $this;
+    }
+
+    public function removePointInTime(StoredObjectPointInTime $storedObjectPointInTime): self
+    {
+        if ($this->pointInTimes->contains($storedObjectPointInTime)) {
+            $this->pointInTimes->removeElement($storedObjectPointInTime);
+        }
+
+        return $this;
+    }
 }

src/Bundle/ChillDocStoreBundle/Repository/StoredObjectPointInTimeRepository.php

@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\DocStoreBundle\Repository;
+
+use Chill\DocStoreBundle\Entity\StoredObjectPointInTime;
+use Doctrine\Bundle\DoctrineBundle\Repository\ServiceEntityRepository;
+use Doctrine\Persistence\ManagerRegistry;
+
+/**
+ * @template-extends ServiceEntityRepository<StoredObjectPointInTime>
+ */
+class StoredObjectPointInTimeRepository extends ServiceEntityRepository
+{
+    public function __construct(ManagerRegistry $registry)
+    {
+        parent::__construct($registry, StoredObjectPointInTime::class);
+    }
+}

src/Bundle/ChillDocStoreBundle/Repository/StoredObjectVersionRepository.php

@@ -62,7 +62,7 @@ class StoredObjectVersionRepository implements ObjectRepository
      *
      * @return iterable returns an iterable with the IDs of the versions
      */
-    public function findIdsByVersionsOlderThanDateAndNotLastVersion(\DateTimeImmutable $beforeDate): iterable
+    public function findIdsByVersionsOlderThanDateAndNotLastVersionAndNotPointInTime(\DateTimeImmutable $beforeDate): iterable
     {
         $results = $this->connection->executeQuery(
             self::QUERY_FIND_IDS_BY_VERSIONS_OLDER_THAN_DATE_AND_NOT_LAST_VERSION,
@@ -83,6 +83,8 @@ class StoredObjectVersionRepository implements ObjectRepository
             sov.createdat < ?::timestamp
             AND
             sov.version < (SELECT MAX(sub_sov.version) FROM chill_doc.stored_object_version sub_sov WHERE sub_sov.stored_object_id = sov.stored_object_id)
+            AND
+            NOT EXISTS (SELECT 1 FROM chill_doc.stored_object_point_in_time sub_poi WHERE sub_poi.stored_object_version_id = sov.id)
         SQL;
 
     public function getClassName(): string

src/Bundle/ChillDocStoreBundle/Service/StoredObjectCleaner/RemoveOldVersionCronJob.php

@@ -50,7 +50,7 @@ final readonly class RemoveOldVersionCronJob implements CronJobInterface
         $deleteBeforeDate = $this->clock->now()->sub(new \DateInterval(self::KEEP_INTERVAL));
         $maxDeleted = $lastExecutionData[self::LAST_DELETED_KEY] ?? 0;
 
-        foreach ($this->storedObjectVersionRepository->findIdsByVersionsOlderThanDateAndNotLastVersion($deleteBeforeDate) as $id) {
+        foreach ($this->storedObjectVersionRepository->findIdsByVersionsOlderThanDateAndNotLastVersionAndNotPointInTime($deleteBeforeDate) as $id) {
             $this->messageBus->dispatch(new RemoveOldVersionMessage($id));
             $maxDeleted = max($maxDeleted, $id);
         }

src/Bundle/ChillDocStoreBundle/Service/StoredObjectCleaner/RemoveOldVersionMessageHandler.php

@@ -18,6 +18,7 @@ use Chill\DocStoreBundle\Service\StoredObjectManagerInterface;
 use Doctrine\ORM\EntityManagerInterface;
 use Psr\Log\LoggerInterface;
 use Symfony\Component\Clock\ClockInterface;
+use Symfony\Component\Messenger\Exception\UnrecoverableMessageHandlingException;
 use Symfony\Component\Messenger\Handler\MessageHandlerInterface;
 
 /**
@@ -49,13 +50,18 @@ final readonly class RemoveOldVersionMessageHandler implements MessageHandlerInt
         $this->logger->info(self::LOG_PREFIX.'Received one message', ['storedObjectVersionId' => $message->storedObjectVersionId]);
 
         $storedObjectVersion = $this->storedObjectVersionRepository->find($message->storedObjectVersionId);
-        $storedObject = $storedObjectVersion->getStoredObject();
 
         if (null === $storedObjectVersion) {
             $this->logger->error(self::LOG_PREFIX.'StoredObjectVersion not found in database', ['storedObjectVersionId' => $message->storedObjectVersionId]);
             throw new \RuntimeException('StoredObjectVersion not found with id '.$message->storedObjectVersionId);
         }
 
+        if ($storedObjectVersion->hasPointInTimes()) {
+            throw new UnrecoverableMessageHandlingException('the stored object version is now associated with a point in time');
+        }
+
+        $storedObject = $storedObjectVersion->getStoredObject();
+
         $this->storedObjectManager->delete($storedObjectVersion);
         // to ensure an immediate deletion
         $this->entityManager->remove($storedObjectVersion);

src/Bundle/ChillDocStoreBundle/Service/StoredObjectToPdfConverter.php

@@ -0,0 +1,75 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\DocStoreBundle\Service;
+
+use Chill\DocStoreBundle\Entity\StoredObject;
+use Chill\DocStoreBundle\Entity\StoredObjectPointInTime;
+use Chill\DocStoreBundle\Entity\StoredObjectPointInTimeReasonEnum;
+use Chill\DocStoreBundle\Entity\StoredObjectVersion;
+use Chill\DocStoreBundle\Exception\StoredObjectManagerException;
+use Chill\WopiBundle\Service\WopiConverter;
+use Symfony\Component\Mime\MimeTypesInterface;
+
+/**
+ * Class StoredObjectToPdfConverter.
+ *
+ * Converts stored objects to PDF or other specified formats using WopiConverter.
+ */
+class StoredObjectToPdfConverter
+{
+    public function __construct(
+        private readonly StoredObjectManagerInterface $storedObjectManager,
+        private readonly WopiConverter $wopiConverter,
+        private readonly MimeTypesInterface $mimeTypes,
+    ) {}
+
+    /**
+     * Converts the given stored object to a specified format and stores the new version.
+     *
+     * @param StoredObject $storedObject the stored object to be converted
+     * @param string       $lang         the language for the conversion context
+     * @param string       $convertTo    The target format for the conversion. Default is 'pdf'.
+     *
+     * @return array{0: StoredObjectPointInTime, 1: StoredObjectVersion} contains the point in time before conversion and the new version of the stored object
+     *
+     * @throws \UnexpectedValueException    if the preferred mime type for the conversion is not found
+     * @throws \RuntimeException            if the conversion or storage of the new version fails
+     * @throws StoredObjectManagerException
+     */
+    public function addConvertedVersion(StoredObject $storedObject, string $lang, $convertTo = 'pdf'): array
+    {
+        $newMimeType = $this->mimeTypes->getMimeTypes($convertTo)[0] ?? null;
+
+        if (null === $newMimeType) {
+            throw new \UnexpectedValueException(sprintf('could not find a preferred mime type for conversion to %s', $convertTo));
+        }
+
+        $currentVersion = $storedObject->getCurrentVersion();
+
+        if ($currentVersion->getType() === $newMimeType) {
+            throw new \UnexpectedValueException('Already at the same mime type');
+        }
+
+        $content = $this->storedObjectManager->read($currentVersion);
+
+        try {
+            $converted = $this->wopiConverter->convert($lang, $content, $newMimeType, $convertTo);
+        } catch (\RuntimeException $e) {
+            throw new \RuntimeException('could not store a new version for document', previous: $e);
+        }
+
+        $pointInTime = new StoredObjectPointInTime($currentVersion, StoredObjectPointInTimeReasonEnum::KEEP_BEFORE_CONVERSION);
+        $version = $this->storedObjectManager->write($storedObject, $converted, $newMimeType);
+
+        return [$pointInTime, $version];
+    }
+}

src/Bundle/ChillDocStoreBundle/Tests/Service/Repository/StoredObjectVersionRepositoryTest.php

@@ -35,7 +35,7 @@ class StoredObjectVersionRepositoryTest extends KernelTestCase
         $repository = new StoredObjectVersionRepository($this->entityManager);
 
         // get old version, to get a chance to get one
-        $actual = $repository->findIdsByVersionsOlderThanDateAndNotLastVersion(new \DateTimeImmutable('1970-01-01'));
+        $actual = $repository->findIdsByVersionsOlderThanDateAndNotLastVersionAndNotPointInTime(new \DateTimeImmutable('1970-01-01'));
 
         self::assertIsIterable($actual);
         self::assertContainsOnly('int', $actual);

src/Bundle/ChillDocStoreBundle/Tests/Service/StoredObjectCleaner/RemoveOldVersionCronJobTest.php

@@ -46,7 +46,7 @@ class RemoveOldVersionCronJobTest extends KernelTestCase
         $clock = new MockClock(new \DateTimeImmutable('2024-01-01 00:00:00', new \DateTimeZone('+00:00')));
         $repository = $this->createMock(StoredObjectVersionRepository::class);
         $repository->expects($this->once())
-            ->method('findIdsByVersionsOlderThanDateAndNotLastVersion')
+            ->method('findIdsByVersionsOlderThanDateAndNotLastVersionAndNotPointInTime')
             ->with(new \DateTime('2023-10-03 00:00:00', new \DateTimeZone('+00:00')))
             ->willReturnCallback(function ($arg) {
                 yield 1;

src/Bundle/ChillDocStoreBundle/Tests/Service/StoredObjectToPdfConverterTest.php

@@ -0,0 +1,61 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\DocStoreBundle\Tests\Service;
+
+use Chill\DocStoreBundle\Entity\StoredObject;
+use Chill\DocStoreBundle\Entity\StoredObjectPointInTime;
+use Chill\DocStoreBundle\Entity\StoredObjectVersion;
+use Chill\DocStoreBundle\Service\StoredObjectManagerInterface;
+use Chill\DocStoreBundle\Service\StoredObjectToPdfConverter;
+use Chill\WopiBundle\Service\WopiConverter;
+use PHPUnit\Framework\TestCase;
+use Prophecy\PhpUnit\ProphecyTrait;
+use Symfony\Component\Mime\MimeTypes;
+
+/**
+ * @internal
+ *
+ * @coversNothing
+ */
+class StoredObjectToPdfConverterTest extends TestCase
+{
+    use ProphecyTrait;
+
+    public function testAddConvertedVersion(): void
+    {
+        $storedObject = new StoredObject();
+        $currentVersion = $storedObject->registerVersion(type: 'text/html');
+
+        $storedObjectManager = $this->prophesize(StoredObjectManagerInterface::class);
+        $storedObjectManager->read($currentVersion)->willReturn('1234');
+        $storedObjectManager->write($storedObject, '5678', 'application/pdf')->shouldBeCalled()
+            ->will(function ($args) {
+                /** @var StoredObject $storedObject */
+                $storedObject = $args[0];
+
+                return $storedObject->registerVersion(type: $args[2]);
+            });
+
+        $converter = $this->prophesize(WopiConverter::class);
+        $converter->convert('fr', '1234', 'application/pdf', 'pdf')->shouldBeCalled()
+            ->willReturn('5678');
+
+        $converter = new StoredObjectToPdfConverter($storedObjectManager->reveal(), $converter->reveal(), MimeTypes::getDefault());
+
+        $actual = $converter->addConvertedVersion($storedObject, 'fr');
+
+        self::assertIsArray($actual);
+        self::assertInstanceOf(StoredObjectPointInTime::class, $actual[0]);
+        self::assertSame($currentVersion, $actual[0]->getObjectVersion());
+        self::assertInstanceOf(StoredObjectVersion::class, $actual[1]);
+    }
+}

src/Bundle/ChillDocStoreBundle/Tests/Workflow/ConvertToPdfBeforeSignatureStepEventSubscriberTest.php

@@ -0,0 +1,208 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\DocStoreBundle\Tests\Workflow;
+
+use Chill\DocStoreBundle\Entity\StoredObject;
+use Chill\DocStoreBundle\Entity\StoredObjectPointInTime;
+use Chill\DocStoreBundle\Entity\StoredObjectPointInTimeReasonEnum;
+use Chill\DocStoreBundle\Service\StoredObjectToPdfConverter;
+use Chill\DocStoreBundle\Workflow\ConvertToPdfBeforeSignatureStepEventSubscriber;
+use Chill\MainBundle\Entity\Workflow\EntityWorkflow;
+use Chill\MainBundle\Workflow\EntityWorkflowManager;
+use Chill\MainBundle\Workflow\EntityWorkflowMarkingStore;
+use Chill\MainBundle\Workflow\WorkflowTransitionContextDTO;
+use Prophecy\Argument;
+use Prophecy\PhpUnit\ProphecyTrait;
+use Symfony\Component\EventDispatcher\EventDispatcher;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\RequestStack;
+use Symfony\Component\Workflow\DefinitionBuilder;
+use Symfony\Component\Workflow\Metadata\InMemoryMetadataStore;
+use Symfony\Component\Workflow\Registry;
+use Symfony\Component\Workflow\SupportStrategy\WorkflowSupportStrategyInterface;
+use Symfony\Component\Workflow\Transition;
+use Symfony\Component\Workflow\Workflow;
+use Symfony\Component\Workflow\WorkflowInterface;
+
+/**
+ * @internal
+ *
+ * @coversNothing
+ */
+class ConvertToPdfBeforeSignatureStepEventSubscriberTest extends \PHPUnit\Framework\TestCase
+{
+    use ProphecyTrait;
+
+    public function testConvertToPdfBeforeSignatureStepEventSubscriberToSignature(): void
+    {
+        $entityWorkflow = new EntityWorkflow();
+        $storedObject = new StoredObject();
+        $previousVersion = $storedObject->registerVersion();
+
+        $converter = $this->prophesize(StoredObjectToPdfConverter::class);
+        $converter->addConvertedVersion($storedObject, 'fr', 'pdf')
+            ->shouldBeCalledOnce()
+            ->will(function ($args) {
+                /** @var StoredObject $storedObject */
+                $storedObject = $args[0];
+
+                $pointInTime = new StoredObjectPointInTime($storedObject->getCurrentVersion(), StoredObjectPointInTimeReasonEnum::KEEP_BEFORE_CONVERSION);
+                $newVersion = $storedObject->registerVersion(filename: 'next');
+
+                return [$pointInTime, $newVersion];
+            });
+
+        $entityWorkflowManager = $this->prophesize(EntityWorkflowManager::class);
+        $entityWorkflowManager->getAssociatedStoredObject($entityWorkflow)->willReturn($storedObject);
+
+        $request = new Request();
+        $request->setLocale('fr');
+        $stack = new RequestStack();
+        $stack->push($request);
+
+        $eventSubscriber = new ConvertToPdfBeforeSignatureStepEventSubscriber($entityWorkflowManager->reveal(), $converter->reveal(), $stack);
+
+        $registry = $this->buildRegistry($eventSubscriber);
+        $workflow = $registry->get($entityWorkflow, 'dummy');
+
+        $dto = new WorkflowTransitionContextDTO($entityWorkflow);
+        $workflow->apply($entityWorkflow, 'to_signature', ['context' => $dto, 'transition' => 'to_signature', 'transitionAt' => new \DateTimeImmutable('now')]);
+
+        self::assertEquals('signature', $entityWorkflow->getStep());
+        self::assertNotSame($previousVersion, $storedObject->getCurrentVersion());
+        self::assertTrue($previousVersion->hasPointInTimes());
+        self::assertCount(2, $storedObject->getVersions());
+        self::assertEquals('next', $storedObject->getCurrentVersion()->getFilename());
+    }
+
+    public function testConvertToPdfBeforeSignatureStepEventSubscriberToNotASignatureStep(): void
+    {
+        $entityWorkflow = new EntityWorkflow();
+        $storedObject = new StoredObject();
+        $previousVersion = $storedObject->registerVersion();
+
+        $converter = $this->prophesize(StoredObjectToPdfConverter::class);
+        $converter->addConvertedVersion($storedObject, 'fr', 'pdf')
+            ->shouldNotBeCalled();
+
+        $entityWorkflowManager = $this->prophesize(EntityWorkflowManager::class);
+        $entityWorkflowManager->getAssociatedStoredObject($entityWorkflow)->willReturn($storedObject);
+
+        $request = new Request();
+        $request->setLocale('fr');
+        $stack = new RequestStack();
+        $stack->push($request);
+
+        $eventSubscriber = new ConvertToPdfBeforeSignatureStepEventSubscriber($entityWorkflowManager->reveal(), $converter->reveal(), $stack);
+
+        $registry = $this->buildRegistry($eventSubscriber);
+        $workflow = $registry->get($entityWorkflow, 'dummy');
+
+        $dto = new WorkflowTransitionContextDTO($entityWorkflow);
+        $workflow->apply($entityWorkflow, 'to_something', ['context' => $dto, 'transition' => 'to_something', 'transitionAt' => new \DateTimeImmutable('now')]);
+
+        self::assertEquals('something', $entityWorkflow->getStep());
+        self::assertSame($previousVersion, $storedObject->getCurrentVersion());
+        self::assertFalse($previousVersion->hasPointInTimes());
+        self::assertCount(1, $storedObject->getVersions());
+    }
+
+    public function testConvertToPdfBeforeSignatureStepEventSubscriberToSignatureAlreadyAPdf(): void
+    {
+        $entityWorkflow = new EntityWorkflow();
+        $storedObject = new StoredObject();
+        $previousVersion = $storedObject->registerVersion(type: 'application/pdf');
+
+        $converter = $this->prophesize(StoredObjectToPdfConverter::class);
+        $converter->addConvertedVersion($storedObject, 'fr', 'pdf')
+            ->shouldNotBeCalled();
+
+        $entityWorkflowManager = $this->prophesize(EntityWorkflowManager::class);
+        $entityWorkflowManager->getAssociatedStoredObject($entityWorkflow)->willReturn($storedObject);
+
+        $request = new Request();
+        $request->setLocale('fr');
+        $stack = new RequestStack();
+        $stack->push($request);
+
+        $eventSubscriber = new ConvertToPdfBeforeSignatureStepEventSubscriber($entityWorkflowManager->reveal(), $converter->reveal(), $stack);
+
+        $registry = $this->buildRegistry($eventSubscriber);
+        $workflow = $registry->get($entityWorkflow, 'dummy');
+
+        $dto = new WorkflowTransitionContextDTO($entityWorkflow);
+        $workflow->apply($entityWorkflow, 'to_signature', ['context' => $dto, 'transition' => 'to_signature', 'transitionAt' => new \DateTimeImmutable('now')]);
+
+        self::assertEquals('signature', $entityWorkflow->getStep());
+        self::assertSame($previousVersion, $storedObject->getCurrentVersion());
+        self::assertFalse($previousVersion->hasPointInTimes());
+        self::assertCount(1, $storedObject->getVersions());
+    }
+
+    public function testConvertToPdfBeforeSignatureStepEventSubscriberToSignatureWithNoStoredObject(): void
+    {
+        $entityWorkflow = new EntityWorkflow();
+
+        $converter = $this->prophesize(StoredObjectToPdfConverter::class);
+        $converter->addConvertedVersion(Argument::type(StoredObject::class), 'fr', 'pdf')
+            ->shouldNotBeCalled();
+
+        $entityWorkflowManager = $this->prophesize(EntityWorkflowManager::class);
+        $entityWorkflowManager->getAssociatedStoredObject($entityWorkflow)->willReturn(null);
+
+        $request = new Request();
+        $request->setLocale('fr');
+        $stack = new RequestStack();
+        $stack->push($request);
+
+        $eventSubscriber = new ConvertToPdfBeforeSignatureStepEventSubscriber($entityWorkflowManager->reveal(), $converter->reveal(), $stack);
+
+        $registry = $this->buildRegistry($eventSubscriber);
+        $workflow = $registry->get($entityWorkflow, 'dummy');
+
+        $dto = new WorkflowTransitionContextDTO($entityWorkflow);
+        $workflow->apply($entityWorkflow, 'to_signature', ['context' => $dto, 'transition' => 'to_signature', 'transitionAt' => new \DateTimeImmutable('now')]);
+
+        self::assertEquals('signature', $entityWorkflow->getStep());
+    }
+
+    private function buildRegistry(EventSubscriberInterface $eventSubscriber): Registry
+    {
+        $builder = new DefinitionBuilder();
+        $builder
+            ->setInitialPlaces('initial')
+            ->addPlaces(['initial', 'signature', 'something'])
+            ->addTransition(new Transition('to_something', 'initial', 'something'))
+            ->addTransition(new Transition('to_signature', 'initial', 'signature'));
+
+        $metadataStore = new InMemoryMetadataStore([], ['signature' => ['isSignature' => ['user']]]);
+        $builder->setMetadataStore($metadataStore);
+
+        $eventDispatcher = new EventDispatcher();
+        $eventDispatcher->addSubscriber($eventSubscriber);
+
+        $workflow = new Workflow($builder->build(), new EntityWorkflowMarkingStore(), $eventDispatcher, 'dummy');
+
+        $supports = new class () implements WorkflowSupportStrategyInterface {
+            public function supports(WorkflowInterface $workflow, object $subject): bool
+            {
+                return true;
+            }
+        };
+
+        $registry = new Registry();
+        $registry->addWorkflow($workflow, $supports);
+
+        return $registry;
+    }
+}

src/Bundle/ChillDocStoreBundle/Workflow/ConvertToPdfBeforeSignatureStepEventSubscriber.php

@@ -0,0 +1,75 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\DocStoreBundle\Workflow;
+
+use Chill\DocStoreBundle\Service\StoredObjectToPdfConverter;
+use Chill\MainBundle\Entity\Workflow\EntityWorkflow;
+use Chill\MainBundle\Workflow\EntityWorkflowManager;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+use Symfony\Component\HttpFoundation\RequestStack;
+use Symfony\Component\Workflow\Event\CompletedEvent;
+use Symfony\Component\Workflow\WorkflowEvents;
+
+/**
+ * Event subscriber to convert objects to PDF when the document reach a signature step.
+ */
+class ConvertToPdfBeforeSignatureStepEventSubscriber implements EventSubscriberInterface
+{
+    public function __construct(
+        private readonly EntityWorkflowManager $entityWorkflowManager,
+        private readonly StoredObjectToPdfConverter $storedObjectToPdfConverter,
+        private readonly RequestStack $requestStack,
+    ) {}
+
+    public static function getSubscribedEvents(): array
+    {
+        return [
+            WorkflowEvents::COMPLETED => 'convertToPdfBeforeSignatureStepEvent',
+        ];
+    }
+
+    public function convertToPdfBeforeSignatureStepEvent(CompletedEvent $event): void
+    {
+        $entityWorkflow = $event->getSubject();
+        if (!$entityWorkflow instanceof EntityWorkflow) {
+            return;
+        }
+
+        $tos = $event->getTransition()->getTos();
+        $workflow = $event->getWorkflow();
+        $metadataStore = $workflow->getMetadataStore();
+
+        foreach ($tos as $to) {
+            $metadata = $metadataStore->getPlaceMetadata($to);
+            if (array_key_exists('isSignature', $metadata) && 0 < count($metadata['isSignature'])) {
+                $this->convertToPdf($entityWorkflow);
+
+                return;
+            }
+        }
+    }
+
+    private function convertToPdf(EntityWorkflow $entityWorkflow): void
+    {
+        $storedObject = $this->entityWorkflowManager->getAssociatedStoredObject($entityWorkflow);
+
+        if (null === $storedObject) {
+            return;
+        }
+
+        if ('application/pdf' === $storedObject->getCurrentVersion()->getType()) {
+            return;
+        }
+
+        $this->storedObjectToPdfConverter->addConvertedVersion($storedObject, $this->requestStack->getCurrentRequest()->getLocale(), 'pdf');
+    }
+}

src/Bundle/ChillDocStoreBundle/migrations/Version20240910093735.php

@@ -0,0 +1,49 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\Migrations\DocStore;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+final class Version20240910093735 extends AbstractMigration
+{
+    public function getDescription(): string
+    {
+        return 'Add point in time for stored object version';
+    }
+
+    public function up(Schema $schema): void
+    {
+        $this->addSql('CREATE SEQUENCE chill_doc.stored_object_point_in_time_id_seq INCREMENT BY 1 MINVALUE 1 START 1');
+        $this->addSql('CREATE TABLE chill_doc.stored_object_point_in_time (id INT NOT NULL, stored_object_version_id INT NOT NULL, reason TEXT NOT NULL, createdAt TIMESTAMP(0) WITHOUT TIME ZONE DEFAULT NULL, byUser_id INT DEFAULT NULL, createdBy_id INT DEFAULT NULL, PRIMARY KEY(id))');
+        $this->addSql('CREATE INDEX IDX_CC83C7B81D0AB8B9 ON chill_doc.stored_object_point_in_time (stored_object_version_id)');
+        $this->addSql('CREATE INDEX IDX_CC83C7B8D23C0240 ON chill_doc.stored_object_point_in_time (byUser_id)');
+        $this->addSql('CREATE INDEX IDX_CC83C7B83174800F ON chill_doc.stored_object_point_in_time (createdBy_id)');
+        $this->addSql('COMMENT ON COLUMN chill_doc.stored_object_point_in_time.createdAt IS \'(DC2Type:datetime_immutable)\'');
+        $this->addSql('ALTER TABLE chill_doc.stored_object_point_in_time ADD CONSTRAINT FK_CC83C7B81D0AB8B9 FOREIGN KEY (stored_object_version_id) REFERENCES chill_doc.stored_object_version (id) NOT DEFERRABLE INITIALLY IMMEDIATE');
+        $this->addSql('ALTER TABLE chill_doc.stored_object_point_in_time ADD CONSTRAINT FK_CC83C7B8D23C0240 FOREIGN KEY (byUser_id) REFERENCES users (id) NOT DEFERRABLE INITIALLY IMMEDIATE');
+        $this->addSql('ALTER TABLE chill_doc.stored_object_point_in_time ADD CONSTRAINT FK_CC83C7B83174800F FOREIGN KEY (createdBy_id) REFERENCES users (id) NOT DEFERRABLE INITIALLY IMMEDIATE');
+        $this->addSql('ALTER TABLE chill_doc.stored_object ALTER prefix SET DEFAULT \'\'');
+        $this->addSql('ALTER TABLE chill_doc.stored_object_version ALTER filename SET DEFAULT \'\'');
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->addSql('DROP SEQUENCE chill_doc.stored_object_point_in_time_id_seq CASCADE');
+        $this->addSql('ALTER TABLE chill_doc.stored_object_point_in_time DROP CONSTRAINT FK_CC83C7B81D0AB8B9');
+        $this->addSql('ALTER TABLE chill_doc.stored_object_point_in_time DROP CONSTRAINT FK_CC83C7B8D23C0240');
+        $this->addSql('ALTER TABLE chill_doc.stored_object_point_in_time DROP CONSTRAINT FK_CC83C7B83174800F');
+        $this->addSql('DROP TABLE chill_doc.stored_object_point_in_time');
+        $this->addSql('ALTER TABLE chill_doc.stored_object ALTER prefix DROP DEFAULT');
+        $this->addSql('ALTER TABLE chill_doc.stored_object_version ALTER filename DROP DEFAULT');
+    }
+}

src/Bundle/ChillMainBundle/Entity/Workflow/EntityWorkflowStepSignature.php

@@ -140,4 +140,16 @@ class EntityWorkflowStepSignature implements TrackCreationInterface, TrackUpdate
     {
         return EntityWorkflowSignatureStateEnum::SIGNED == $this->getState();
     }
+
+    /**
+     * @return 'person'|'user'
+     */
+    public function getSignerKind(): string
+    {
+        if ($this->personSigner instanceof Person) {
+            return 'person';
+        }
+
+        return 'user';
+    }
 }

src/Bundle/ChillMainBundle/Resources/views/Workflow/_signature.html.twig

@@ -4,12 +4,20 @@
     {% for s in signatures %}
         <div class="row row-hover align-items-center">
                 <div class="col-sm-12 col-md-8">
-                    {% include '@ChillMain/OnTheFly/_insert_vue_onthefly.html.twig' with {
-                        action: 'show', displayBadge: true,
-                        targetEntity: { name: 'person', id: s.signer.id },
-                        buttonText: s.signer|chill_entity_render_string,
-                        isDead: s.signer.deathDate is not null
-                    } %}
+                    {% if s.signerKind == 'person' %}
+                        {% include '@ChillMain/OnTheFly/_insert_vue_onthefly.html.twig' with {
+                            action: 'show', displayBadge: true,
+                            targetEntity: { name: 'person', id: s.signer.id },
+                            buttonText: s.signer|chill_entity_render_string,
+                            isDead: s.signer.deathDate is not null
+                        } %}
+                    {% else %}
+                        {% include '@ChillMain/OnTheFly/_insert_vue_onthefly.html.twig' with {
+                            action: 'show', displayBadge: true,
+                            targetEntity: { name: 'user', id: s.signer.id },
+                            buttonText: s.signer|chill_entity_render_string,
+                        } %}
+                    {% endif %}
                 </div>
                 <div class="col-sm-12 col-md-4">
                         {% if s.isSigned %}

src/Bundle/ChillWopiBundle/src/Controller/ConvertController.php

@@ -14,84 +14,44 @@ namespace Chill\WopiBundle\Controller;
 use Chill\DocStoreBundle\Entity\StoredObject;
 use Chill\DocStoreBundle\Service\StoredObjectManager;
 use Chill\DocStoreBundle\Service\StoredObjectManagerInterface;
-use Chill\MainBundle\Entity\User;
+use Chill\WopiBundle\Service\WopiConverter;
 use Psr\Log\LoggerInterface;
-use Symfony\Component\DependencyInjection\ParameterBag\ParameterBagInterface;
-use Symfony\Component\HttpFoundation\JsonResponse;
-use Symfony\Component\HttpFoundation\RequestStack;
+use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
-use Symfony\Component\Mime\Part\DataPart;
-use Symfony\Component\Mime\Part\Multipart\FormDataPart;
 use Symfony\Component\Security\Core\Security;
-use Symfony\Contracts\HttpClient\Exception\ClientExceptionInterface;
-use Symfony\Contracts\HttpClient\Exception\RedirectionExceptionInterface;
-use Symfony\Contracts\HttpClient\Exception\ServerExceptionInterface;
-use Symfony\Contracts\HttpClient\Exception\TransportExceptionInterface;
-use Symfony\Contracts\HttpClient\HttpClientInterface;
-use Symfony\Contracts\HttpClient\ResponseInterface;
 
 class ConvertController
 {
     private const LOG_PREFIX = '[convert] ';
 
-    private readonly string $collaboraDomain;
-
     /**
      * @param StoredObjectManager $storedObjectManager
      */
     public function __construct(
-        private readonly HttpClientInterface $httpClient,
-        private readonly RequestStack $requestStack,
         private readonly Security $security,
         private readonly StoredObjectManagerInterface $storedObjectManager,
+        private readonly WopiConverter $wopiConverter,
         private readonly LoggerInterface $logger,
-        ParameterBagInterface $parameters,
-    ) {
-        $this->collaboraDomain = $parameters->get('wopi')['server'];
-    }
+    ) {}
 
-    public function __invoke(StoredObject $storedObject): Response
+    public function __invoke(StoredObject $storedObject, Request $request): Response
     {
-        if (!$this->security->getUser() instanceof User) {
+        if (!($this->security->isGranted('ROLE_USER') || $this->security->isGranted('ROLE_ADMIN'))) {
             throw new AccessDeniedHttpException('User must be authenticated');
         }
 
         $content = $this->storedObjectManager->read($storedObject);
-        $query = [];
-        if (null !== $request = $this->requestStack->getCurrentRequest()) {
-            $query['lang'] = $request->getLocale();
-        }
+        $lang = $request->getLocale();
 
         try {
-            $url = sprintf('%s/cool/convert-to/pdf', $this->collaboraDomain);
-            $form = new FormDataPart([
-                'data' => new DataPart($content, $storedObject->getUuid()->toString(), $storedObject->getType()),
-            ]);
-            $response = $this->httpClient->request('POST', $url, [
-                'headers' => $form->getPreparedHeaders()->toArray(),
-                'query' => $query,
-                'body' => $form->bodyToString(),
-                'timeout' => 10,
-            ]);
-
-            return new Response($response->getContent(), Response::HTTP_OK, [
+            return new Response($this->wopiConverter->convert($lang, $content, $storedObject->getType()), Response::HTTP_OK, [
                 'Content-Type' => 'application/pdf',
             ]);
-        } catch (ClientExceptionInterface|RedirectionExceptionInterface|ServerExceptionInterface|TransportExceptionInterface $exception) {
-            return $this->onConversionFailed($url, $exception->getResponse());
+        } catch (\RuntimeException $exception) {
+            $this->logger->alert(self::LOG_PREFIX.'Could not convert document', ['message' => $exception->getMessage(), 'exception', $exception->getTraceAsString()]);
+
+            return new Response('convert server not available', Response::HTTP_SERVICE_UNAVAILABLE);
         }
     }
-
-    private function onConversionFailed(string $url, ResponseInterface $response): JsonResponse
-    {
-        $this->logger->error(self::LOG_PREFIX.' could not convert document', [
-            'response_status' => $response->getStatusCode(),
-            'message' => $response->getContent(false),
-            'server' => $this->collaboraDomain,
-            'url' => $url,
-        ]);
-
-        return new JsonResponse(['message' => 'conversion failed : '.$response->getContent(false)], Response::HTTP_SERVICE_UNAVAILABLE);
-    }
 }

src/Bundle/ChillWopiBundle/src/Service/WopiConverter.php

@@ -0,0 +1,69 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\WopiBundle\Service;
+
+use Psr\Log\LoggerInterface;
+use Symfony\Component\DependencyInjection\ParameterBag\ParameterBagInterface;
+use Symfony\Component\Mime\Part\DataPart;
+use Symfony\Component\Mime\Part\Multipart\FormDataPart;
+use Symfony\Contracts\HttpClient\Exception\ClientExceptionInterface;
+use Symfony\Contracts\HttpClient\Exception\RedirectionExceptionInterface;
+use Symfony\Contracts\HttpClient\Exception\ServerExceptionInterface;
+use Symfony\Contracts\HttpClient\Exception\TransportExceptionInterface;
+use Symfony\Contracts\HttpClient\HttpClientInterface;
+
+/**
+ * Handles the conversion of documents to PDF using the Collabora Online server.
+ */
+class WopiConverter
+{
+    private readonly string $collaboraDomain;
+
+    private const LOG_PREFIX = '[WopiConverterPDF] ';
+
+    public function __construct(
+        private readonly HttpClientInterface $httpClient,
+        private readonly LoggerInterface $logger,
+        ParameterBagInterface $parameters,
+    ) {
+        $this->collaboraDomain = $parameters->get('wopi')['server'];
+    }
+
+    public function convert(string $lang, string $content, string $contentType, $convertTo = 'pdf'): string
+    {
+        try {
+            $url = sprintf('%s/cool/convert-to/%s', $this->collaboraDomain, $convertTo);
+
+            $form = new FormDataPart([
+                'data' => new DataPart($content, uniqid('temp-file-'), contentType: $contentType),
+            ]);
+            $response = $this->httpClient->request('POST', $url, [
+                'headers' => $form->getPreparedHeaders()->toArray(),
+                'query' => ['lang' => $lang],
+                'body' => $form->bodyToString(),
+                'timeout' => 10,
+            ]);
+
+            if (200 === $response->getStatusCode()) {
+                $this->logger->info(self::LOG_PREFIX.'document converted successfully', ['size' => strlen($content)]);
+            }
+
+            return $response->getContent();
+        } catch (ClientExceptionInterface $e) {
+            throw new \LogicException('no correct request to collabora online', previous: $e);
+        } catch (RedirectionExceptionInterface $e) {
+            throw new \RuntimeException('no redirection expected', previous: $e);
+        } catch (ServerExceptionInterface|TransportExceptionInterface $e) {
+            throw new \RuntimeException('error while converting document', previous: $e);
+        }
+    }
+}

src/Bundle/ChillWopiBundle/tests/Controller/ConvertControllerTest.php

@@ -13,16 +13,12 @@ namespace Chill\WopiBundle\Tests\Controller;
 
 use Chill\DocStoreBundle\Entity\StoredObject;
 use Chill\DocStoreBundle\Service\StoredObjectManagerInterface;
-use Chill\MainBundle\Entity\User;
 use Chill\WopiBundle\Controller\ConvertController;
+use Chill\WopiBundle\Service\WopiConverter;
 use PHPUnit\Framework\TestCase;
 use Prophecy\PhpUnit\ProphecyTrait;
 use Psr\Log\NullLogger;
-use Symfony\Component\DependencyInjection\ParameterBag\ParameterBag;
-use Symfony\Component\HttpClient\MockHttpClient;
-use Symfony\Component\HttpClient\Response\MockResponse;
 use Symfony\Component\HttpFoundation\Request;
-use Symfony\Component\HttpFoundation\RequestStack;
 use Symfony\Component\Security\Core\Security;
 
 /**
@@ -39,28 +35,27 @@ final class ConvertControllerTest extends TestCase
         $storedObject = new StoredObject();
         $storedObject->registerVersion(type: 'application/vnd.oasis.opendocument.text');
 
-        $httpClient = new MockHttpClient([
-            new MockResponse('not authorized', ['http_code' => 401]),
-        ], 'http://collabora:9980');
-
         $security = $this->prophesize(Security::class);
-        $security->getUser()->willReturn(new User());
+        $security->isGranted('ROLE_USER')->willReturn(true);
 
         $storeManager = $this->prophesize(StoredObjectManagerInterface::class);
         $storeManager->read($storedObject)->willReturn('content');
 
-        $parameterBag = new ParameterBag(['wopi' => ['server' => 'http://collabora:9980']]);
+        $wopiConverter = $this->prophesize(WopiConverter::class);
+        $wopiConverter->convert('fr', 'content', 'application/vnd.oasis.opendocument.text')
+            ->willThrow(new \RuntimeException());
 
-        $convert = new ConvertController(
-            $httpClient,
-            $this->makeRequestStack(),
+        $controller = new ConvertController(
             $security->reveal(),
             $storeManager->reveal(),
+            $wopiConverter->reveal(),
             new NullLogger(),
-            $parameterBag
         );
 
-        $response = $convert($storedObject);
+        $request = new Request();
+        $request->setLocale('fr');
+
+        $response = $controller($storedObject, $request);
 
         $this->assertNotEquals(200, $response->getStatusCode());
     }
@@ -70,38 +65,29 @@ final class ConvertControllerTest extends TestCase
         $storedObject = new StoredObject();
         $storedObject->registerVersion(type: 'application/vnd.oasis.opendocument.text');
 
-        $httpClient = new MockHttpClient([
-            new MockResponse('1234', ['http_code' => 200]),
-        ], 'http://collabora:9980');
-
         $security = $this->prophesize(Security::class);
-        $security->getUser()->willReturn(new User());
+        $security->isGranted('ROLE_USER')->willReturn(true);
 
         $storeManager = $this->prophesize(StoredObjectManagerInterface::class);
         $storeManager->read($storedObject)->willReturn('content');
 
-        $parameterBag = new ParameterBag(['wopi' => ['server' => 'http://collabora:9980']]);
+        $wopiConverter = $this->prophesize(WopiConverter::class);
+        $wopiConverter->convert('fr', 'content', 'application/vnd.oasis.opendocument.text')
+            ->willReturn('1234');
 
-        $convert = new ConvertController(
-            $httpClient,
-            $this->makeRequestStack(),
+        $controller = new ConvertController(
             $security->reveal(),
             $storeManager->reveal(),
+            $wopiConverter->reveal(),
             new NullLogger(),
-            $parameterBag
         );
 
-        $response = $convert($storedObject);
+        $request = new Request();
+        $request->setLocale('fr');
+
+        $response = $controller($storedObject, $request);
 
         $this->assertEquals(200, $response->getStatusCode());
         $this->assertEquals('1234', $response->getContent());
     }
-
-    private function makeRequestStack(): RequestStack
-    {
-        $requestStack = new RequestStack();
-        $requestStack->push(new Request());
-
-        return $requestStack;
-    }
 }

src/Bundle/ChillWopiBundle/tests/Service/WopiConvertToPdfTest.php

@@ -0,0 +1,63 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\WopiBundle\Tests\Service;
+
+use Chill\WopiBundle\Service\WopiConverter;
+use PHPUnit\Framework\TestCase;
+use Psr\Log\NullLogger;
+use Symfony\Component\DependencyInjection\ParameterBag\ParameterBag;
+use Symfony\Component\HttpClient\HttpClient;
+use Symfony\Component\HttpClient\MockHttpClient;
+use Symfony\Component\HttpClient\Response\MockResponse;
+
+/**
+ * @internal
+ *
+ * @coversNothing
+ */
+class WopiConvertToPdfTest extends TestCase
+{
+    /**
+     * @group collabora-integration
+     */
+    public function testConvertToPdfWithRealServer(): void
+    {
+        $content = file_get_contents(__DIR__.'/fixtures/test-document.odt');
+
+        $client = HttpClient::create();
+        $parameters = new ParameterBag([
+            'wopi' => ['server' => $_ENV['EDITOR_SERVER']],
+        ]);
+
+        $converter = new WopiConverter($client, new NullLogger(), $parameters);
+
+        $actual = $converter->convert('fr', $content, 'application/vnd.oasis.opendocument.text');
+
+        self::assertIsString($actual);
+    }
+
+    public function testConvertToPdfWithMock(): void
+    {
+        $httpClient = new MockHttpClient([
+            new MockResponse('1234', ['http_code' => 200]),
+        ], 'http://collabora:9980');
+        $parameters = new ParameterBag([
+            'wopi' => ['server' => 'http://collabora:9980'],
+        ]);
+
+        $converter = new WopiConverter($httpClient, new NullLogger(), $parameters);
+
+        $actual = $converter->convert('fr', 'content-string', 'application/vnd.oasis.opendocument.text');
+
+        self::assertEquals('1234', $actual);
+    }
+}