public void unrollManagerInEvent(Long managerId, Long eventId)
throws EntityDoesNotExistsException, ManagerNotEnrolledException {
try {
Event event = em.find(Event.class, eventId);
if (event == null) {
throw new EntityDoesNotExistsException("There is no event with that id.");
}
Manager manager = em.find(Manager.class, managerId);
if (manager == null) {
throw new AttendantNotEnrolledException("There is no manager with that id.");
}
if (!event.getManagers().contains(manager)) {
throw new ManagerNotEnrolledException("Manager is not enrolled in that event.");
}
event.removeManager(manager);
manager.removeEvent(event);
} catch (EntityDoesNotExistsException | ManagerNotEnrolledException e) {
throw e;
} catch (Exception e) {
throw new EJBException(e.getMessage());
}
}
public void enrollManagerInEvent(Long managerId, Long eventId)
throws EntityDoesNotExistsException, ManagerEnrolledException {
System.out.println("Eeeeeeeeevent ID: ");
try {
Manager manager = em.find(Manager.class, managerId);
if (manager == null) {
throw new EntityDoesNotExistsException("There is no manager with that id.");
}
Event event = em.find(Event.class, eventId);
if (event == null) {
throw new EntityDoesNotExistsException("There is no event with that id.");
}
if (event.getManagers().contains(manager)) {
throw new ManagerEnrolledException("Manager is already enrolled in that event.");
}
event.addManager(manager);
manager.addEvent(event);
} catch (EntityDoesNotExistsException | ManagerEnrolledException e) {
throw e;
} catch (Exception e) {
throw new EJBException(e.getMessage());
}
}
public List<ManagerDTO> getEnrolledManagersInEvents(Long id) throws EntityDoesNotExistsException {
try {
Event event = em.find(Event.class, id);
if (event == null) {
throw new EntityDoesNotExistsException("There is no event with that id.");
}
List<Manager> managers = (List<Manager>) event.getManagers();
return managersToDTOs(managers);
} catch (EntityDoesNotExistsException e) {
throw e;
} catch (Exception e) {
throw new EJBException(e.getMessage());
}
}
EventDTO eventToDTO(Event event) {
EventDTO eventDTO =
new EventDTO(
event.getId(),
event.getName(),
event.getDescription(),
event.getStartDate(),
event.getFinishDate());
eventDTO.setOpenForEnroll(event.isOpenForEnroll());
eventDTO.setOpenForPresence(event.isOpenForPresence());
eventDTO.setPassword(event.getPassword());
return eventDTO;
}
public List<ManagerDTO> getUnrolledManagersInEvents(Long id) throws EntityDoesNotExistsException {
try {
Event event = em.find(Event.class, id);
if (event == null) {
throw new EntityDoesNotExistsException("There is no event with that id.");
}
// nao sei se este código está correcto??
List<Manager> managers =
(List<Manager>)
em.createNamedQuery("getAllEventManagers")
.setParameter("eventId", event.getId())
.getResultList();
// -----------------------------------------------------------------------------------------
List<Manager> enrolled = em.find(Event.class, id).getManagers();
managers.removeAll(enrolled);
return managersToDTOs(managers);
} catch (EntityDoesNotExistsException e) {
throw e;
} catch (Exception e) {
throw new EJBException(e.getMessage());
}
}