feat: Affectation des enseignants aux classes et matières
Permet aux administrateurs d'associer un enseignant à une classe pour une matière donnée au sein d'une année scolaire. Cette brique est nécessaire pour construire les emplois du temps et les carnets de notes par la suite. Le modèle impose l'unicité du triplet enseignant × classe × matière par année scolaire, avec réactivation automatique d'une affectation retirée plutôt que duplication. L'isolation multi-tenant est garantie au niveau du repository (findById/get filtrent par tenant_id).
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52
backend/migrations/Version20260212200000.php
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52
backend/migrations/Version20260212200000.php
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<?php
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declare(strict_types=1);
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namespace DoctrineMigrations;
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use Doctrine\DBAL\Schema\Schema;
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use Doctrine\Migrations\AbstractMigration;
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/**
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* Adds tenant_id to the UNIQUE constraint on teacher_assignments.
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*
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* The original constraint (teacher_id, school_class_id, subject_id, academic_year_id)
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* allowed the same tuple to exist across different tenants, which is correct,
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* but did not scope uniqueness per tenant. Including tenant_id ensures that
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* uniqueness is enforced within each tenant boundary.
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*/
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final class Version20260212200000 extends AbstractMigration
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{
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public function getDescription(): string
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{
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return 'Add tenant_id to teacher_assignments UNIQUE constraint for multi-tenant safety';
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}
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public function up(Schema $schema): void
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{
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$this->addSql(<<<'SQL'
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ALTER TABLE teacher_assignments
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DROP CONSTRAINT IF EXISTS teacher_assignments_teacher_id_school_class_id_subject_id_acad_key
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SQL);
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$this->addSql(<<<'SQL'
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ALTER TABLE teacher_assignments
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ADD CONSTRAINT teacher_assignments_tenant_teacher_class_subject_year_key
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UNIQUE (tenant_id, teacher_id, school_class_id, subject_id, academic_year_id)
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SQL);
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}
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public function down(Schema $schema): void
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{
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$this->addSql(<<<'SQL'
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ALTER TABLE teacher_assignments
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DROP CONSTRAINT IF EXISTS teacher_assignments_tenant_teacher_class_subject_year_key
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SQL);
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$this->addSql(<<<'SQL'
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ALTER TABLE teacher_assignments
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ADD CONSTRAINT teacher_assignments_teacher_id_school_class_id_subject_id_acad_key
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UNIQUE (teacher_id, school_class_id, subject_id, academic_year_id)
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SQL);
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}
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}
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