feat: Permettre la définition d'une semaine type récurrente pour l'emploi du temps

Les administrateurs devaient recréer manuellement l'emploi du temps chaque
semaine. Cette implémentation introduit un système de récurrence hebdomadaire
avec gestion des exceptions par occurrence, permettant de modifier ou annuler
un cours spécifique sans affecter les autres semaines.

Le ScheduleResolver calcule dynamiquement l'EDT réel en combinant les créneaux
récurrents, les exceptions ponctuelles et le calendrier scolaire (vacances/fériés).

backend/src/Scolarite/Infrastructure/Api/Processor/ModifyOccurrenceProcessor.php

@@ -0,0 +1,93 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Scolarite\Infrastructure\Api\Processor;
+
+use ApiPlatform\Metadata\Operation;
+use ApiPlatform\State\ProcessorInterface;
+use App\Administration\Infrastructure\Security\SecurityUser;
+use App\Scolarite\Application\Command\UpdateRecurringSlot\UpdateRecurringSlotCommand;
+use App\Scolarite\Application\Command\UpdateRecurringSlot\UpdateRecurringSlotHandler;
+use App\Scolarite\Domain\Exception\DateExceptionInvalideException;
+use App\Scolarite\Domain\Exception\ScheduleSlotNotFoundException;
+use App\Scolarite\Infrastructure\Api\Resource\ScheduleOccurrenceResource;
+use App\Scolarite\Infrastructure\Security\ScheduleSlotVoter;
+use App\Shared\Infrastructure\Tenant\TenantContext;
+use Override;
+use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
+use Symfony\Component\HttpKernel\Exception\BadRequestHttpException;
+use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
+use Symfony\Component\HttpKernel\Exception\UnauthorizedHttpException;
+use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface;
+use Symfony\Component\Security\Core\Authorization\AuthorizationCheckerInterface;
+use ValueError;
+
+/**
+ * @implements ProcessorInterface<ScheduleOccurrenceResource, ScheduleOccurrenceResource>
+ */
+final readonly class ModifyOccurrenceProcessor implements ProcessorInterface
+{
+    public function __construct(
+        private UpdateRecurringSlotHandler $handler,
+        private TenantContext $tenantContext,
+        private AuthorizationCheckerInterface $authorizationChecker,
+        private TokenStorageInterface $tokenStorage,
+    ) {
+    }
+
+    /**
+     * @param ScheduleOccurrenceResource $data
+     */
+    #[Override]
+    public function process(mixed $data, Operation $operation, array $uriVariables = [], array $context = []): ScheduleOccurrenceResource
+    {
+        if (!$this->authorizationChecker->isGranted(ScheduleSlotVoter::EDIT)) {
+            throw new AccessDeniedHttpException("Vous n'êtes pas autorisé à modifier l'emploi du temps.");
+        }
+
+        if (!$this->tenantContext->hasTenant()) {
+            throw new UnauthorizedHttpException('Bearer', 'Tenant non défini.');
+        }
+
+        /** @var string $slotId */
+        $slotId = $uriVariables['id'] ?? '';
+        /** @var string $date */
+        $date = $uriVariables['date'] ?? '';
+
+        $user = $this->tokenStorage->getToken()?->getUser();
+        $userId = $user instanceof SecurityUser ? $user->userId() : '';
+
+        try {
+            $command = new UpdateRecurringSlotCommand(
+                tenantId: (string) $this->tenantContext->getCurrentTenantId(),
+                slotId: $slotId,
+                occurrenceDate: $date,
+                scope: $data->scope ?? 'this_occurrence',
+                classId: $data->classId ?? '',
+                subjectId: $data->subjectId ?? '',
+                teacherId: $data->teacherId ?? '',
+                dayOfWeek: $data->dayOfWeek ?? 1,
+                startTime: $data->startTime ?? '',
+                endTime: $data->endTime ?? '',
+                room: $data->room,
+                updatedBy: $userId,
+            );
+
+            $result = ($this->handler)($command);
+
+            $resource = new ScheduleOccurrenceResource();
+            $resource->id = $slotId . '_' . $date;
+            $resource->slotId = $slotId;
+            $resource->date = $date;
+            $resource->scope = $data->scope;
+            $resource->type = $result['exception'] !== null ? 'modified' : 'recurring_updated';
+
+            return $resource;
+        } catch (ScheduleSlotNotFoundException $e) {
+            throw new NotFoundHttpException($e->getMessage());
+        } catch (DateExceptionInvalideException|ValueError $e) {
+            throw new BadRequestHttpException($e->getMessage());
+        }
+    }
+}