cz.muni.fi.editor.services.api.notifications.NotificationServiceImpl.java Source code

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Here is the source code for cz.muni.fi.editor.services.api.notifications.NotificationServiceImpl.java

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/*
*Copyright  2016 Dominik Szalai (emptulik@gmail.com)
*
*Licensed under the Apache License, Version 2.0 (the "License");
*you may not use this file except in compliance with the License.
*You may obtain a copy of the License at
*
*    http://www.apache.org/licenses/LICENSE-2.0
*
*Unless required by applicable law or agreed to in writing, software
*distributed under the License is distributed on an "AS IS" BASIS,
*WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*See the License for the specific language governing permissions and
*limitations under the License.
*/
/*
 * Copyright  2016 Dominik Szalai (emptulik@gmail.com)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package cz.muni.fi.editor.services.api.notifications;

import cz.muni.fi.editor.api.dto.NotificationDTO;
import cz.muni.fi.editor.api.dto.NotificationRequest;
import cz.muni.fi.editor.api.dto.NotificationResponse;
import cz.muni.fi.editor.api.exceptions.FieldException;
import cz.muni.fi.editor.api.NotificationService;
import cz.muni.fi.editor.database.dao.NotificationDAO;
import cz.muni.fi.editor.database.dao.OrganizationDAO;
import cz.muni.fi.editor.database.domain.Notification;
import cz.muni.fi.editor.database.domain.user.Organization;
import cz.muni.fi.editor.database.domain.user.User;
import cz.muni.fi.editor.services.commons.Mapper;
import cz.muni.fi.editor.services.commons.NotificationListener;
import cz.muni.fi.editor.services.commons.events.*;
import cz.muni.fi.editor.services.commons.security.SecurityService;
import lombok.extern.log4j.Log4j2;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.annotation.Async;
import org.springframework.stereotype.Component;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.transaction.event.TransactionalEventListener;

import java.util.List;
import java.util.stream.Collectors;

/**
 * @author Dominik Szalai - emptulik at gmail.com on 17.06.2016.
 */
@Component
@Log4j2
public class NotificationServiceImpl implements NotificationService, NotificationListener {
    @Autowired
    private NotificationDAO notificationDAO;
    @Autowired
    private OrganizationDAO organizationDAO;
    @Autowired
    private SecurityService securityService;
    @Autowired
    private Mapper mapper;
    @Autowired
    private NotificationFactory notificationFactory;

    @Override
    @Transactional(readOnly = true)
    public NotificationResponse getNotifications(NotificationRequest request) throws IllegalArgumentException {
        User u = mapper.map(securityService.getPrincipal(), User.class);
        NotificationResponse result = new NotificationResponse();
        result.setRequest(request);
        result.setResult(
                notificationDAO
                        .getNotifications(request.getPage() * request.getPageSize(), request.getPageSize(), u,
                                request.getIncludeSeen())
                        .stream().map(this::mapNotification).collect(Collectors.toList()));
        result.setTotalUnseen(notificationDAO.numberOfUnseen(u));

        return result;
    }

    @Override
    @Transactional(readOnly = true)
    public NotificationResponse poll(NotificationDTO latest) throws IllegalArgumentException, FieldException {
        User user = mapper.map(securityService.getPrincipal(), User.class);
        NotificationResponse response = new NotificationResponse();
        response.setTotalUnseen(notificationDAO.numberOfUnseen(user));
        response.setResult(
                mapper.map(notificationDAO.getLatestNotifications(user, mapper.map(latest, Notification.class)),
                        NotificationDTO.class));

        return response;
    }

    @Override
    @Transactional
    public void markSeen(List<NotificationDTO> notifications) throws IllegalArgumentException, FieldException {
        notificationDAO.markSeen(mapper.map(notifications, Notification.class));
    }

    @TransactionalEventListener
    @Async
    @Override
    @Transactional
    public void notify(ERequestCreated rec) {
        if (StringUtils.contains(rec.getRequest().getClazz(), "Organization")) {
            if (rec.getRequest().getAction().equals("create")) {
                notifyMultiple(rec, organizationDAO.getById(1L).getMembers());
            } else if (rec.getRequest().getAction().equals("join")) {
                Organization o = organizationDAO.getById(rec.getRequest().getTargetId());

                Notification n = notificationFactory.provideNotification(rec);
                n.setNotified(o.getOwner());
                notificationDAO.create(n);
            }
        }
    }

    @TransactionalEventListener
    @Async
    @Transactional
    @Override
    public void eOrganizationRenamed(EOrganizationRenamed eOrganizationRenamed) {
        notifyMultiple(eOrganizationRenamed,
                organizationDAO.getById(eOrganizationRenamed.getOrganization().getId()).getMembers());
    }

    @TransactionalEventListener
    @Async
    @Transactional
    @Override
    public void eOrganizationDisbanded(EOrganizationDisbanded eOrganizationDisbanded) {
        notifyMultiple(eOrganizationDisbanded, eOrganizationDisbanded.getPreviousMembers().stream()
                .map(this::idToUser).collect(Collectors.toList()));
    }

    @TransactionalEventListener
    @Async
    @Transactional
    @Override
    public void eOrganizationPromotion(EOrganizationPromoted eOrganizationPromoted) {
        Notification notification = notificationFactory.provideNotification(eOrganizationPromoted);

        notificationDAO.create(notification);
    }

    @Override
    @TransactionalEventListener
    @Async
    @Transactional
    public void eOrganizationKicked(EOrganizationKicked eOrganizationKicked) {
        notificationDAO.create(notificationFactory.provideNotification(eOrganizationKicked));
    }

    @Override
    @TransactionalEventListener
    @Async
    @Transactional
    public void eOrganizationInvited(EOrganizationInvited eOrganizationInvited) {
        notificationDAO.create(notificationFactory.provideNotification(eOrganizationInvited));
    }

    @Override
    @TransactionalEventListener
    @Async
    @Transactional
    public void eRequestApproved(ERequestApproved eRequestApproved) {
        notificationDAO.create(notificationFactory.provideNotification(eRequestApproved));
    }

    private void notifyMultiple(EditorEvent event, List<User> notified) {
        notified.forEach(u -> {
            Notification n = notificationFactory.provideNotification(event);
            n.setNotified(u);

            notificationDAO.create(n);
        });
    }

    private User idToUser(Long id) {
        User u = new User();
        u.setId(id);

        return u;
    }

    private NotificationDTO mapNotification(Notification n) {
        NotificationDTO dto = mapper.map(n, NotificationDTO.class);
        dto.setRequestID(n.getRequest().getId());

        return dto;
    }
}