@Override
public boolean checkShiftType(Grouping grouping, Shift shift) {
if (shift != null) {
return shift.containsType(grouping.getShiftType());
} else {
return grouping.getShiftType() == null;
}
}
@Override
public List checkShiftsType(Grouping grouping, List shifts) {
List result = new ArrayList();
if (grouping.getShiftType() != null) {
for (final Shift shift : (List<Shift>) shifts) {
if (shift.containsType(grouping.getShiftType())) {
result.add(shift);
}
}
}
return result;
}
@Override
public boolean checkAlreadyEnroled(Grouping grouping, String studentUsername) {
final Attends studentAttend = grouping.getStudentAttend(studentUsername);
if (studentAttend != null) {
Collection<StudentGroup> groupingStudentGroups = grouping.getStudentGroupsSet();
for (final StudentGroup studentGroup : groupingStudentGroups) {
Collection<Attends> studentGroupAttends = studentGroup.getAttendsSet();
for (final Attends attend : studentGroupAttends) {
if (attend == studentAttend) {
return true;
}
}
}
}
return false;
}
@Override
public boolean checkStudentsUserNamesInGrouping(
List<String> studentUsernames, Grouping grouping) {
for (final String studentUsername : studentUsernames) {
if (grouping.getStudentAttend(studentUsername) == null) {
return false;
}
}
return true;
}
@Override
public boolean checkNumberOfGroups(Grouping grouping, Shift shift) {
Integer maximumGroupCapacity = grouping.getGroupMaximumNumber();
if (shift != null && grouping.getDifferentiatedCapacity()) {
maximumGroupCapacity = shift.getShiftGroupingProperties().getCapacity();
} else if (maximumGroupCapacity == null) {
return true;
}
int numberOfGroups = 0;
if (shift != null) {
numberOfGroups = grouping.readAllStudentGroupsBy(shift).size();
} else {
numberOfGroups = grouping.getStudentGroupsWithoutShift().size();
}
if (maximumGroupCapacity == null || numberOfGroups < maximumGroupCapacity) {
return true;
}
return false;
}
@Override
public boolean checkPossibleToEnrolInExistingGroup(Grouping grouping, StudentGroup studentGroup) {
final int numberOfElements = studentGroup.getAttendsSet().size();
final Integer maximumCapacity = grouping.getMaximumCapacity();
if (maximumCapacity == null) {
return true;
}
if (numberOfElements < maximumCapacity) {
return true;
}
return false;
}
@Override
public boolean checkEnrolmentDate(Grouping grouping, Calendar actualDate) {
Long actualDateInMills = new Long(actualDate.getTimeInMillis());
Long enrolmentBeginDayInMills = null;
Long enrolmentEndDayInMills = null;
if (grouping.getEnrolmentBeginDay() != null) {
enrolmentBeginDayInMills = new Long(grouping.getEnrolmentBeginDay().getTimeInMillis());
}
if (grouping.getEnrolmentEndDay() != null) {
enrolmentEndDayInMills = new Long(grouping.getEnrolmentEndDay().getTimeInMillis());
}
if (enrolmentBeginDayInMills == null && enrolmentEndDayInMills == null) {
return true;
}
if (enrolmentBeginDayInMills != null && enrolmentEndDayInMills == null) {
if (actualDateInMills.compareTo(enrolmentBeginDayInMills) > 0) {
return true;
}
}
if (enrolmentBeginDayInMills == null && enrolmentEndDayInMills != null) {
if (actualDateInMills.compareTo(enrolmentEndDayInMills) < 0) {
return true;
}
}
if (actualDateInMills.compareTo(enrolmentBeginDayInMills) > 0
&& actualDateInMills.compareTo(enrolmentEndDayInMills) < 0) {
return true;
}
return false;
}
@Override
public boolean checkHasShift(Grouping grouping) {
return grouping.getShiftType() != null;
}
@Override
public boolean checkStudentInGrouping(Grouping grouping, String username) {
final Attends attend = grouping.getStudentAttend(username);
return attend != null;
}