/**
* 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.ruleExecutors;
import java.util.Collection;
import org.fenixedu.academic.domain.CurricularCourse;
import org.fenixedu.academic.domain.ExecutionSemester;
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.CycleCourseGroup;
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.studentCurriculum.CycleCurriculumGroup;
public class ExclusivenessExecutor extends CurricularRuleExecutor {
@Override
protected RuleResult executeEnrolmentVerificationWithRules(final ICurricularRule curricularRule,
final IDegreeModuleToEvaluate sourceDegreeModuleToEvaluate, final EnrolmentContext enrolmentContext) {
final Exclusiveness rule = (Exclusiveness) curricularRule;
if (!canApplyRule(enrolmentContext, rule)) {
return RuleResult.createNA(sourceDegreeModuleToEvaluate.getDegreeModule());
}
final DegreeModule degreeModule = rule.getExclusiveDegreeModule();
if (degreeModule.isLeaf()) {
final CurricularCourse curricularCourse = (CurricularCourse) degreeModule;
final ExecutionSemester previousExecutionPeriod = enrolmentContext.getExecutionPeriod().getPreviousExecutionPeriod();
if (isApproved(enrolmentContext, curricularCourse)
|| hasEnrolmentWithEnroledState(enrolmentContext, curricularCourse, previousExecutionPeriod)) {
if (isEnroled(enrolmentContext, (CurricularCourse) rule.getDegreeModuleToApplyRule(),
enrolmentContext.getExecutionPeriod())) {
return createImpossibleRuleResult(rule, sourceDegreeModuleToEvaluate);
}
return createFalseRuleResult(rule, sourceDegreeModuleToEvaluate);
}
}
if (isEnroled(enrolmentContext, degreeModule) || isEnrolling(enrolmentContext, degreeModule)) {
return createFalseRuleResult(rule, sourceDegreeModuleToEvaluate);
}
return RuleResult.createTrue(sourceDegreeModuleToEvaluate.getDegreeModule());
}
private RuleResult createFalseRuleResult(final Exclusiveness rule, final IDegreeModuleToEvaluate sourceDegreeModuleToEvaluate) {
return RuleResult.createFalse(sourceDegreeModuleToEvaluate.getDegreeModule(),
"curricularRules.ruleExecutors.ExclusivenessExecutor.exclusive.degreeModule", rule.getDegreeModuleToApplyRule()
.getName(), rule.getExclusiveDegreeModule().getName());
}
private RuleResult createImpossibleRuleResult(final Exclusiveness rule,
final IDegreeModuleToEvaluate sourceDegreeModuleToEvaluate) {
return RuleResult.createImpossible(sourceDegreeModuleToEvaluate.getDegreeModule(),
"curricularRules.ruleExecutors.ExclusivenessExecutor.exclusive.degreeModule", rule.getDegreeModuleToApplyRule()
.getName(), rule.getExclusiveDegreeModule().getName());
}
@Override
protected RuleResult executeEnrolmentWithRulesAndTemporaryEnrolment(final ICurricularRule curricularRule,
final IDegreeModuleToEvaluate sourceDegreeModuleToEvaluate, final EnrolmentContext enrolmentContext) {
final Exclusiveness rule = (Exclusiveness) curricularRule;
if (!canApplyRule(enrolmentContext, rule)) {
return RuleResult.createNA(sourceDegreeModuleToEvaluate.getDegreeModule());
}
final DegreeModule degreeModule = rule.getExclusiveDegreeModule();
if (degreeModule.isLeaf()) {
final CurricularCourse curricularCourse = (CurricularCourse) degreeModule;
if (isApproved(enrolmentContext, curricularCourse)) {
if (isEnroled(enrolmentContext, (CurricularCourse) rule.getDegreeModuleToApplyRule(),
enrolmentContext.getExecutionPeriod())) {
return createImpossibleRuleResult(rule, sourceDegreeModuleToEvaluate);
}
return createFalseRuleResult(rule, sourceDegreeModuleToEvaluate);
}
final ExecutionSemester previousExecutionPeriod = enrolmentContext.getExecutionPeriod().getPreviousExecutionPeriod();
if (hasEnrolmentWithEnroledState(enrolmentContext, curricularCourse, previousExecutionPeriod)) {
return RuleResult.createTrue(EnrolmentResultType.TEMPORARY, sourceDegreeModuleToEvaluate.getDegreeModule());
}
}
if (isEnroled(enrolmentContext, degreeModule) || isEnrolling(enrolmentContext, degreeModule)) {
return createFalseRuleResult(rule, sourceDegreeModuleToEvaluate);
}
return RuleResult.createTrue(sourceDegreeModuleToEvaluate.getDegreeModule());
}
@Override
protected RuleResult executeEnrolmentInEnrolmentEvaluation(final ICurricularRule curricularRule,
final IDegreeModuleToEvaluate sourceDegreeModuleToEvaluate, final EnrolmentContext enrolmentContext) {
return RuleResult.createNA(sourceDegreeModuleToEvaluate.getDegreeModule());
}
@Override
protected boolean canBeEvaluated(ICurricularRule curricularRule, IDegreeModuleToEvaluate sourceDegreeModuleToEvaluate,
EnrolmentContext enrolmentContext) {
Exclusiveness exclusivenessRule = (Exclusiveness) curricularRule;
Collection<CycleCourseGroup> cycleCourseGroups =
exclusivenessRule.getExclusiveDegreeModule().getParentCycleCourseGroups();
for (CycleCourseGroup cycleCourseGroup : cycleCourseGroups) {
CycleCurriculumGroup cycleCurriculumGroup =
(CycleCurriculumGroup) enrolmentContext.getStudentCurricularPlan().findCurriculumGroupFor(cycleCourseGroup);
if (cycleCurriculumGroup != null) {
return true;
}
}
return false;
}
}