package com.megatim.fdxconsultation.dao.impl.administration;

import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import com.bekosoftware.genericdaolayer.dao.impl.AbstractGenericDAO;
import com.bekosoftware.genericdaolayer.dao.tools.RestrictionsContainer;
import com.megatim.fdxcommons.model.enumeration.TypeOperation;
import com.megatim.fdxconsultation.dao.ifaces.administration.RoleDAO;
import com.megatim.fdxconsultation.model.administration.Role;
import java.util.Optional;
import javax.enterprise.context.Dependent;

/**
 *
 * @author DYNABOOK
 */
@Dependent
public class RoleDAOImpl extends AbstractGenericDAO<Role, Long> implements RoleDAO {

    @PersistenceContext(unitName = "fdxConsultationPersistenceUnit")
    protected EntityManager em;
    
    public RoleDAOImpl() {
    }

    @Override
    public EntityManager getEntityManager() {
        return em;
    }

    @Override
    public Class<Role> getManagedEntityClass() {
        return (Role.class);
    }

    @Override
    public Role getCurrentRole() {
        RestrictionsContainer requeteur = RestrictionsContainer.newInstance();
        requeteur.addEq("typeOperation", TypeOperation.AJOUTER);
        return filter(requeteur.getPredicats(), null, null, 0, 1).stream().findAny().orElse(null);
    }

    @Override
    public Role getById(Long id) {
        Optional<Role> optional = em.createQuery("SELECT r from Role r "
                + "WHERE r.id = :id")
                .setParameter("id", id)
                .getResultList()
                .stream()
                .findFirst();
        return optional.isPresent() ? optional.get() : null;
    }
}