/**
* Copyright © 2002 Instituto Superior Técnico
*
* This file is part of FenixEdu Academic.
*
* FenixEdu Academic is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* FenixEdu Academic is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with FenixEdu Academic. If not, see <http://www.gnu.org/licenses/>.
*/
package org.fenixedu.academic.domain.curricularRules.executors.verifyExecutors;
import org.fenixedu.academic.domain.CurricularCourse;
import org.fenixedu.academic.domain.curricularRules.Exclusiveness;
import org.fenixedu.academic.domain.curricularRules.ICurricularRule;
import org.fenixedu.academic.domain.curricularRules.executors.RuleResult;
import org.fenixedu.academic.domain.degreeStructure.CourseGroup;
import org.fenixedu.academic.domain.degreeStructure.DegreeModule;
import org.fenixedu.academic.domain.enrolment.EnrolmentContext;
import org.fenixedu.academic.domain.enrolment.IDegreeModuleToEvaluate;
import org.fenixedu.academic.domain.exceptions.DomainException;
public class ExclusivenessVerifier extends VerifyRuleExecutor {
@Override
protected RuleResult verifyEnrolmentWithRules(ICurricularRule curricularRule, EnrolmentContext enrolmentContext,
DegreeModule degreeModuleToVerify, CourseGroup rootOrCycleCourseGroup) {
final Exclusiveness exclusiveness = (Exclusiveness) curricularRule;
final DegreeModule exclusiveDegreeModule = exclusiveness.getExclusiveDegreeModule();
final IDegreeModuleToEvaluate degreeModuleToEvaluate =
getDegreeModuleToEvaluate(enrolmentContext, exclusiveDegreeModule, rootOrCycleCourseGroup);
if (degreeModuleToEvaluate != null) {
if (!degreeModuleToEvaluate.isLeaf()) {
return RuleResult.createFalse(degreeModuleToVerify);
}
final CurricularCourse curricularCourse = (CurricularCourse) exclusiveDegreeModule;
if (isApproved(enrolmentContext, curricularCourse, rootOrCycleCourseGroup) || degreeModuleToEvaluate.isEnroled()
|| degreeModuleToEvaluate.isEnroling()) {
return RuleResult.createFalse(degreeModuleToVerify);
}
}
return RuleResult.createTrue(degreeModuleToVerify);
}
@Override
protected RuleResult verifyEnrolmentWithTemporaryEnrolment(ICurricularRule curricularRule, EnrolmentContext enrolmentContext,
DegreeModule degreeModuleToVerify, CourseGroup rootOrCycleCourseGroup) {
final Exclusiveness exclusiveness = (Exclusiveness) curricularRule;
final DegreeModule exclusiveDegreeModule = exclusiveness.getExclusiveDegreeModule();
final IDegreeModuleToEvaluate degreeModuleToEvaluate =
getDegreeModuleToEvaluate(enrolmentContext, exclusiveDegreeModule, rootOrCycleCourseGroup);
if (degreeModuleToEvaluate != null) {
if (!degreeModuleToEvaluate.isLeaf()) {
return RuleResult.createFalse(degreeModuleToVerify);
}
final CurricularCourse curricularCourse = (CurricularCourse) exclusiveDegreeModule;
if (isApproved(enrolmentContext, curricularCourse, rootOrCycleCourseGroup)
|| hasEnrolmentWithEnroledState(enrolmentContext, curricularCourse, enrolmentContext.getExecutionPeriod()
.getPreviousExecutionPeriod())) {
return RuleResult.createFalse(degreeModuleToVerify);
}
}
return RuleResult.createTrue(degreeModuleToVerify);
}
private IDegreeModuleToEvaluate getDegreeModuleToEvaluate(final EnrolmentContext enrolmentContext,
final DegreeModule degreeModule, final CourseGroup rootOrCycleCourseGroup) {
for (final IDegreeModuleToEvaluate degreeModuleToEvaluate : enrolmentContext
.getAllChildDegreeModulesToEvaluateFor(rootOrCycleCourseGroup)) {
if (degreeModuleToEvaluate.isFor(degreeModule)) {
return degreeModuleToEvaluate;
}
}
return null;
}
@Override
protected RuleResult verifyDegreeConclusionWithRules(ICurricularRule curricularRule, EnrolmentContext enrolmentContext,
DegreeModule degreeModuleToVerify, CourseGroup rootOrCycleCourseGroup) {
final Exclusiveness exclusiveness = (Exclusiveness) curricularRule;
final DegreeModule exclusiveDegreeModule = exclusiveness.getExclusiveDegreeModule();
if (exclusiveDegreeModule.isCourseGroup()) {
if (isEnrolledIn(enrolmentContext, (CourseGroup) exclusiveDegreeModule)) {
return RuleResult.createFalse(degreeModuleToVerify);
}
} else if (exclusiveDegreeModule.isCurricularCourse()) {
if (isApproved(enrolmentContext, (CurricularCourse) exclusiveDegreeModule, rootOrCycleCourseGroup)) {
return RuleResult.createFalse(degreeModuleToVerify);
}
} else {
throw new DomainException(
"error.net.sourceforge.fenixedu.domain.curricularRules.executors.verifyExecutors.invalid.degree.module.to.verify");
}
return RuleResult.createTrue(degreeModuleToVerify);
}
}