MentionService.java

package fr.ippon.tatami.service;

import fr.ippon.tatami.domain.User;
import fr.ippon.tatami.domain.status.Status;
import fr.ippon.tatami.repository.MentionlineRepository;
import fr.ippon.tatami.repository.UserRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import javax.inject.Inject;

/**
 * Notifies a user when he is mentionned.
 */
@Service
public class MentionService {

    @Inject
    private MentionlineRepository mentionlineRepository;

    @Inject
    private MailService mailService;

    @Autowired(required = false)
    private ApplePushService applePushService;

    @Inject
    private UserRepository userRepository;

    /**
     * A status that mentions a user is put in the user's mentionline and in his timeline.
     * The mentioned user can also be notified by email.
     */
    public void mentionUser(String mentionedLogin, Status status) {
        mentionlineRepository.addStatusToMentionline(mentionedLogin, status.getStatusId());

        User mentionnedUser = userRepository.findUserByLogin(mentionedLogin);

        if (mentionnedUser != null && (mentionnedUser.getPreferencesMentionEmail() == null || mentionnedUser.getPreferencesMentionEmail().equals(true))) {
            if (status.getStatusPrivate()) { // Private status
                mailService.sendUserPrivateMessageEmail(mentionnedUser, status);
                if (applePushService != null) {
                    applePushService.notifyUser(mentionedLogin, status);
                }
            } else {
                mailService.sendUserMentionEmail(mentionnedUser, status);
                if (applePushService != null) {
                    applePushService.notifyUser(mentionedLogin, status);
                }
            }
        }
    }
}