inmemory to postgres

core/racing/domain/entities/RaceRegistration.ts

@@ -55,6 +55,15 @@ export class RaceRegistration implements IEntity<string> {
       });
    }
 
+   static rehydrate(props: { id: string; raceId: string; driverId: string; registeredAt: Date }): RaceRegistration {
+      return new RaceRegistration({
+         id: props.id,
+         raceId: RaceId.create(props.raceId),
+         driverId: DriverId.create(props.driverId),
+         registeredAt: RegisteredAt.create(props.registeredAt),
+      });
+   }
+
    private static validate(props: RaceRegistrationProps): void {
       if (!props.raceId || props.raceId.trim().length === 0) {
          throw new RacingDomainValidationError('Race ID is required');