com.liferay.mysubscriptions.portlet.MySubscriptionsPortlet.java Source code

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Here is the source code for com.liferay.mysubscriptions.portlet.MySubscriptionsPortlet.java

Source

/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.mysubscriptions.portlet;

import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.kernel.util.StringUtil;
import com.liferay.portal.kernel.util.WebKeys;
import com.liferay.portal.model.Subscription;
import com.liferay.portal.security.auth.PrincipalException;
import com.liferay.portal.service.SubscriptionLocalServiceUtil;
import com.liferay.portal.theme.ThemeDisplay;
import com.liferay.portal.kernel.portlet.bridges.mvc.MVCPortlet;

import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;

/**
 * @author Peter Shin
 * @author Jonathan Lee
 */
public class MySubscriptionsPortlet extends MVCPortlet {

    public void unsubscribe(ActionRequest actionRequest, ActionResponse actionResponse) throws Exception {

        ThemeDisplay themeDisplay = (ThemeDisplay) actionRequest.getAttribute(WebKeys.THEME_DISPLAY);

        if (!themeDisplay.isSignedIn()) {
            return;
        }

        long[] subscriptionIds = StringUtil.split(ParamUtil.getString(actionRequest, "subscriptionIds"), 0L);

        for (long subscriptionId : subscriptionIds) {
            if (subscriptionId <= 0) {
                continue;
            }

            Subscription subscription = SubscriptionLocalServiceUtil.getSubscription(subscriptionId);

            if (themeDisplay.getUserId() != subscription.getUserId()) {
                throw new PrincipalException();
            }

            SubscriptionLocalServiceUtil.deleteSubscription(subscription);
        }
    }

}