CategorySubscriptionPortletConfigurationIcon.java

/**
 * 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.message.boards.web.internal.portlet.configuration.icon;

import com.liferay.message.boards.kernel.model.MBCategory;
import com.liferay.message.boards.web.constants.MBPortletKeys;
import com.liferay.message.boards.web.internal.portlet.action.ActionUtil;
import com.liferay.portal.kernel.language.LanguageUtil;
import com.liferay.portal.kernel.portlet.configuration.icon.BasePortletConfigurationIcon;
import com.liferay.portal.kernel.portlet.configuration.icon.PortletConfigurationIcon;
import com.liferay.portal.kernel.security.permission.ActionKeys;
import com.liferay.portal.kernel.theme.ThemeDisplay;
import com.liferay.portal.kernel.util.Constants;
import com.liferay.portal.kernel.util.Portal;
import com.liferay.portal.kernel.util.WebKeys;
import com.liferay.portlet.messageboards.MBGroupServiceSettings;
import com.liferay.portlet.messageboards.service.permission.MBCategoryPermission;
import com.liferay.subscription.service.SubscriptionLocalService;

import javax.portlet.ActionRequest;
import javax.portlet.PortletRequest;
import javax.portlet.PortletResponse;
import javax.portlet.PortletURL;

import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Reference;

/**
 * @author Sergio González
 */
@Component(
	immediate = true,
	property = {
		"javax.portlet.name=" + MBPortletKeys.MESSAGE_BOARDS_ADMIN,
		"path=/message_boards/view_category"
	},
	service = PortletConfigurationIcon.class
)
public class CategorySubscriptionPortletConfigurationIcon
	extends BasePortletConfigurationIcon {

	@Override
	public String getMessage(PortletRequest portletRequest) {
		String key = "subscribe";

		try {
			MBCategory category = ActionUtil.getCategory(portletRequest);

			if (_isSubscribed(portletRequest, category)) {
				key = "unsubscribe";
			}
		}
		catch (Exception e) {
		}

		return LanguageUtil.get(
			getResourceBundle(getLocale(portletRequest)), key);
	}

	@Override
	public String getURL(
		PortletRequest portletRequest, PortletResponse portletResponse) {

		PortletURL portletURL = _portal.getControlPanelPortletURL(
			portletRequest, MBPortletKeys.MESSAGE_BOARDS_ADMIN,
			PortletRequest.ACTION_PHASE);

		portletURL.setParameter(
			ActionRequest.ACTION_NAME, "/message_boards/edit_category");

		MBCategory category = null;

		try {
			category = ActionUtil.getCategory(portletRequest);
		}
		catch (Exception e) {
			return null;
		}

		if (_isSubscribed(portletRequest, category)) {
			portletURL.setParameter(Constants.CMD, Constants.UNSUBSCRIBE);
		}
		else {
			portletURL.setParameter(Constants.CMD, Constants.SUBSCRIBE);
		}

		portletURL.setParameter(
			"redirect", _portal.getCurrentURL(portletRequest));
		portletURL.setParameter(
			"mbCategoryId", String.valueOf(category.getCategoryId()));

		return portletURL.toString();
	}

	@Override
	public double getWeight() {
		return 101;
	}

	@Override
	public boolean isShow(PortletRequest portletRequest) {
		ThemeDisplay themeDisplay = (ThemeDisplay)portletRequest.getAttribute(
			WebKeys.THEME_DISPLAY);

		try {
			MBGroupServiceSettings mbGroupServiceSettings =
				MBGroupServiceSettings.getInstance(
					themeDisplay.getScopeGroupId());

			if (!mbGroupServiceSettings.isEmailMessageAddedEnabled() &&
				!mbGroupServiceSettings.isEmailMessageUpdatedEnabled()) {

				return false;
			}

			MBCategory category = ActionUtil.getCategory(portletRequest);

			return MBCategoryPermission.contains(
				themeDisplay.getPermissionChecker(), category,
				ActionKeys.SUBSCRIBE);
		}
		catch (Exception e) {
		}

		return false;
	}

	@Reference(unbind = "-")
	protected void setSubscriptionLocalService(
		SubscriptionLocalService subscriptionLocalService) {

		_subscriptionLocalService = subscriptionLocalService;
	}

	private boolean _isSubscribed(
		PortletRequest portletRequest, MBCategory category) {

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

		return _subscriptionLocalService.isSubscribed(
			themeDisplay.getCompanyId(), themeDisplay.getUserId(),
			MBCategory.class.getName(), category.getCategoryId());
	}

	@Reference
	private Portal _portal;

	private SubscriptionLocalService _subscriptionLocalService;

}