// user func
@RequestMapping(
value = {"/workspace/general/to-participate-in-the-event"},
method = RequestMethod.GET)
public String toParticipateInTheEvent(
ModelMap modelMap, @RequestParam String eventId, Principal principal) {
EventEntity eventEntity = eventService.findById(eventId);
UserEntity userEntity = userService.findByUsername(principal.getName());
Set<EventEntity> userEvents = userEntity.getUserEvents();
if (eventEntity.getTheCurrentNumberOfParticipants() + 1 > eventEntity.getCountParticipants()) {
modelMap.addAttribute("textPage", ActionMessage.THE_EXCESS_NUMBER_OF_PARTICIPANTS);
return "pages/general/success-template-page";
} else {
if (null != userEvents) {
userEvents.add(eventEntity);
} else {
userEvents = new HashSet<EventEntity>();
userEvents.add(eventEntity);
}
userEntity.setUserEvents(userEvents);
userService.update(userEntity);
try {
mailService.sendEmail(
MailMessageText.helloLetterRegisterOfEventHeader(eventEntity),
MailMessageText.helloLetterRegisterOfEventBody(eventEntity),
new String[] {userEntity.getEmail()});
} catch (MessagingException e) {
modelMap.addAttribute("textPage", ActionMessage.ERROR_ACTION);
}
modelMap.addAttribute("textPage", ActionMessage.SUCCESS_EVENT_USER_REGISTRATION);
return "pages/general/success-template-page";
}
}
@RequestMapping(
value = {"/workspace/general/refuse-to-participate-in-the-event"},
method = RequestMethod.GET)
public String refuseToParticipateInTheEvent(
ModelMap modelMap, @RequestParam String eventId, Principal principal) {
EventEntity eventEntity = eventService.findById(eventId);
UserEntity userEntity = userService.findByUsername(principal.getName());
Set<EventEntity> userEvents = userEntity.getUserEvents();
userEvents.remove(eventEntity);
userEntity.setUserEvents(userEvents);
userService.update(userEntity);
try {
mailService.sendEmail(
MailMessageText.cancelLetterRegisterOfEventHeader(eventEntity),
MailMessageText.cancelLetterRegisterOfEventBody(eventEntity),
new String[] {userEntity.getEmail()});
} catch (MessagingException e) {
modelMap.addAttribute("textPage", ActionMessage.ERROR_ACTION);
}
modelMap.addAttribute("textPage", ActionMessage.CANCEL_EVENT_USER_REGISTRATION);
return "pages/general/success-template-page";
}