protected Boolean run(
String executionCourseID,
String studentGroupID,
String groupPropertiesID,
List studentUsernames)
throws FenixServiceException {
final StudentGroup studentGroup = FenixFramework.getDomainObject(studentGroupID);
if (studentGroup == null) {
throw new InvalidArgumentsServiceException();
}
final Grouping grouping = studentGroup.getGrouping();
final IGroupEnrolmentStrategyFactory enrolmentGroupPolicyStrategyFactory =
GroupEnrolmentStrategyFactory.getInstance();
final IGroupEnrolmentStrategy strategy =
enrolmentGroupPolicyStrategyFactory.getGroupEnrolmentStrategyInstance(grouping);
if (!strategy.checkStudentsUserNamesInGrouping(studentUsernames, grouping)) {
throw new InvalidArgumentsServiceException();
}
StringBuilder sbStudentNumbers = new StringBuilder("");
sbStudentNumbers.setLength(0);
for (final String studentUsername : (List<String>) studentUsernames) {
Attends attend = grouping.getStudentAttend(studentUsername);
if (attend != null) {
if (sbStudentNumbers.length() != 0) {
sbStudentNumbers.append(", " + attend.getRegistration().getNumber().toString());
} else {
sbStudentNumbers.append(attend.getRegistration().getNumber().toString());
}
attend.removeStudentGroups(studentGroup);
}
}
// no students means no log entry -- list may contain invalid values, so
// its size cannot be used to test
if (sbStudentNumbers.length() != 0) {
List<ExecutionCourse> ecs = grouping.getExecutionCourses();
for (ExecutionCourse ec : ecs) {
GroupsAndShiftsManagementLog.createLog(
ec,
"resources.MessagingResources",
"log.executionCourse.groupAndShifts.grouping.group.element.removed",
Integer.toString(studentUsernames.size()),
sbStudentNumbers.toString(),
studentGroup.getGroupNumber().toString(),
grouping.getName(),
ec.getNome(),
ec.getDegreePresentationString());
}
}
return true;
}
@Checked("RolePredicates.STUDENT_PREDICATE")
@Service
public static Boolean run(Integer studentGroupCode, String username)
throws FenixServiceException {
final StudentGroup studentGroup = rootDomainObject.readStudentGroupByOID(studentGroupCode);
if (studentGroup == null) {
throw new InvalidArgumentsServiceException();
}
final Registration registration = Registration.readByUsername(username);
if (registration == null) {
throw new InvalidArgumentsServiceException();
}
final Grouping grouping = studentGroup.getGrouping();
final Attends studentAttend = grouping.getStudentAttend(registration);
if (studentAttend == null) {
throw new NotAuthorizedException();
}
if (studentGroup.getAttends().contains(studentAttend)) {
throw new InvalidSituationServiceException();
}
final IGroupEnrolmentStrategyFactory enrolmentGroupPolicyStrategyFactory =
GroupEnrolmentStrategyFactory.getInstance();
final IGroupEnrolmentStrategy strategy =
enrolmentGroupPolicyStrategyFactory.getGroupEnrolmentStrategyInstance(grouping);
boolean result = strategy.checkPossibleToEnrolInExistingGroup(grouping, studentGroup);
if (!result) {
throw new InvalidArgumentsServiceException();
}
checkIfStudentIsNotEnrolledInOtherGroups(
grouping.getStudentGroups(), studentGroup, studentAttend);
studentGroup.addAttends(studentAttend);
informStudents(studentGroup, registration, grouping);
return Boolean.TRUE;
}