org.jasig.portlet.announcements.controller.ApproveAjaxController.java Source code

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/**
 * Licensed to Apereo under one or more contributor license
 * agreements. See the NOTICE file distributed with this work
 * for additional information regarding copyright ownership.
 * Apereo licenses this file to you 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 the following location:
 *
 *   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 org.jasig.portlet.announcements.controller;

import java.util.Date;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.jasig.portlet.announcements.model.Announcement;
import org.jasig.portlet.announcements.service.IAnnouncementService;
import org.springframework.beans.factory.BeanCreationException;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.ehcache.EhCacheCacheManager;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.AbstractController;

/**
 * @author eolsson
 *
 */
public class ApproveAjaxController extends AbstractController implements InitializingBean {

    private IAnnouncementService announcementService;

    @Autowired
    private EhCacheCacheManager cm = null;

    /* (non-Javadoc)
     * @see org.springframework.web.servlet.mvc.AbstractController#handleRequestInternal(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
     */
    @Override
    protected ModelAndView handleRequestInternal(HttpServletRequest request, HttpServletResponse response)
            throws Exception {

        Long annId = Long.valueOf(request.getParameter("annId"));
        Boolean approval = Boolean.valueOf(request.getParameter("approval"));
        Announcement ann = announcementService.getAnnouncement(annId);

        Date startDisplay = ann.getStartDisplay();
        Date endDisplay = ann.getEndDisplay();
        if (endDisplay == null) {
            // Unspecified end date means the announcement does not expire;  we 
            // will substitute a date in the future each time this item is 
            // evaluated.
            long aYearFromNow = System.currentTimeMillis() + Announcement.MILLISECONDS_IN_A_YEAR;
            endDisplay = new Date(aYearFromNow);
        }

        Date now = new Date();
        int status = 3;
        /**
         * Scheduled = 0
         * Expired   = 1
         * Showing   = 2
         * Pending   = 3
         */
        if (startDisplay.after(now) && endDisplay.after(now) && approval) {
            status = 0;
        } else if (startDisplay.before(now) && endDisplay.after(now) && approval) {
            status = 2;
        } else if (endDisplay.before(now)) {
            status = 1;
        }

        ann.setPublished(approval);
        cm.getCacheManager().getCache("guestAnnouncementCache").flush();

        announcementService.addOrSaveAnnouncement(ann);

        return new ModelAndView("ajaxApprove", "status", status);

    }

    /**
     * @param announcementService the announcementService to set
     */
    public void setAnnouncementService(IAnnouncementService announcementService) {
        this.announcementService = announcementService;
    }

    public void setCm(EhCacheCacheManager cm) {
        this.cm = cm;
    }

    public void afterPropertiesSet() throws Exception {
        if (cm == null) {
            throw new BeanCreationException("Required cacheManager field was not set");
        }
    }

}