/**
 * 
 */
package net.sourceforge.fenixedu.predicates;

import com.linkare.commons.metainfo.Linkare;

import net.sourceforge.fenixedu.domain.DegreeCurricularPlan;
import net.sourceforge.fenixedu.domain.Person;
import net.sourceforge.fenixedu.domain.person.RoleType;
import net.sourceforge.fenixedu.injectionCode.AccessControl;
import net.sourceforge.fenixedu.injectionCode.AccessControlPredicate;

/**
 * @author - Shezad Anavarali (shezad@ist.utl.pt)
 * 
 */
public class DegreeCurricularPlanPredicates {

    public static final AccessControlPredicate<DegreeCurricularPlan> readPredicate = new AccessControlPredicate<DegreeCurricularPlan>() {

	public boolean evaluate(DegreeCurricularPlan dcp) {

	    if (!dcp.isBolonhaDegree()) {
		return true;
	    }

	    Person person = AccessControl.getPerson();

	    if (person.hasRole(RoleType.SCIENTIFIC_COUNCIL)) {
		return true;
	    }

	    boolean isCurricularPlanMember = dcp.getCurricularPlanMembersGroup().isMember(person);

	    switch (dcp.getCurricularStage()) {
	    case DRAFT:
		return isCurricularPlanMember;
	    case PUBLISHED:
		return isCurricularPlanMember || person.hasRole(RoleType.BOLONHA_MANAGER);
	    case APPROVED:
		return true;
	    default:
		return false;
	    }

	}

    };

    public static final AccessControlPredicate<DegreeCurricularPlan> scientificCouncilWritePredicate = new AccessControlPredicate<DegreeCurricularPlan>() {

	@Linkare(author = "Paulo Zenida", comments = "Added the possibility for the manager to execute")
	public boolean evaluate(DegreeCurricularPlan dcp) {
	    final Person person = AccessControl.getPerson();
	    return person.hasRole(RoleType.MANAGER) || (person.hasRole(RoleType.SCIENTIFIC_COUNCIL) || !dcp.isBolonhaDegree());
	}

    };

    public static final AccessControlPredicate<DegreeCurricularPlan> curricularPlanMemberWritePredicate = new AccessControlPredicate<DegreeCurricularPlan>() {

	public boolean evaluate(DegreeCurricularPlan dcp) {
	    return !dcp.isBolonhaDegree() || dcp.getCurricularPlanMembersGroup().isMember(AccessControl.getPerson());
	}

    };

}