val/explodingnuggets/Projeto-2-DSW/src/java/br/dsw/beans/PromocaoBean.java

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package br.dsw.beans;

import br.dsw.dao.PromocaoDAO;
import br.dsw.pojo.Promocao;
import br.dsw.pojo.Teatro;
import java.io.Serializable;
import java.sql.SQLException;
import java.util.List;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.RequestScoped;
import javax.faces.bean.SessionScoped;
import javax.persistence.EntityExistsException;

/**
 *
 * @author pedro
 */
@ManagedBean
@SessionScoped
public class PromocaoBean implements Serializable {

    private Promocao promocao;

    public String lista() {
        return "/promocoes/listar.xhtml";
    }

    public String cadastra() {
        promocao = new Promocao();
        return "/promocoes/alterar.xhtml";
    }

    public String cadastraDoTeatro(Teatro t) {
        promocao = new Promocao();
        promocao.setTeatro(t);
        return "/promocoes/alterar.xhtml";
    }

    public String edita(Long id) {
        PromocaoDAO dao = new PromocaoDAO();
        promocao = dao.get(id);
        return "/promocoes/alterar.xhtml";
    }

    public String salva() throws Exception {
        PromocaoDAO dao = new PromocaoDAO();
        try {
            if (promocao.getId() == -1) {
                dao.save(promocao);
            } else {
                dao.update(promocao);
            }
        } catch (Exception e) {
            throw new Exception("Já existe uma promoção neste horario!");
        }

        return lista();
    }

    public String delete(Promocao promocao) {
        PromocaoDAO dao = new PromocaoDAO();
        dao.delete(promocao);
        return lista();
    }

    public String volta() {
        return "/index.xhtml?faces-redirect=true";
    }

    public List<Promocao> getPromocoes() throws SQLException {
        PromocaoDAO dao = new PromocaoDAO();
        return dao.getAll();

    }

    public Promocao getPromocao() {
        return promocao;
    }

    /**
     * Creates a new instance of PromocaoBean
     */
    public PromocaoBean() {
        promocao = new Promocao();
    }

}