package net.sourceforge.fenixedu.applicationTier.Filtro;

import net.sourceforge.fenixedu.applicationTier.IUserView;
import net.sourceforge.fenixedu.applicationTier.Filtro.exception.NotAuthorizedFilterException;
import net.sourceforge.fenixedu.domain.WrittenEvaluation;
import net.sourceforge.fenixedu.domain.person.RoleType;
import pt.utl.ist.berserk.ServiceRequest;
import pt.utl.ist.berserk.ServiceResponse;

public class EditWrittenEvaluationAuthorization extends Filtro {

    public void execute(ServiceRequest request, ServiceResponse response) throws Exception {
	final IUserView userView = getRemoteUser(request);

	if (!userView.hasRoleType(RoleType.RESOURCE_ALLOCATION_MANAGER)) {

	    final Object[] arguments = getServiceCallArguments(request);
	    final WrittenEvaluation writtenEvaluation = readWrittenEvaluation(arguments);

	    if (writtenEvaluation.getWrittenEvaluationSpaceOccupations().size() > 0) {
		throw new NotAuthorizedFilterException("written.evaluation.has.alocated.rooms");
	    }
	}
    }

    private WrittenEvaluation readWrittenEvaluation(final Object[] arguments) {
	final Integer writtenEvaluationID = getWrittenEvaluationID(arguments);
	return (WrittenEvaluation) rootDomainObject.readEvaluationByOID(writtenEvaluationID);
    }

    private Integer getWrittenEvaluationID(final Object[] arguments) {
	return (Integer) ((arguments.length == 2) ? arguments[1] : arguments[7]);
    }
}