KBArticleGroupSubscriptionPortletConfigurationIcon.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.knowledge.base.web.internal.portlet.configuration.icon;

import com.liferay.knowledge.base.constants.KBActionKeys;
import com.liferay.knowledge.base.constants.KBPortletKeys;
import com.liferay.knowledge.base.model.KBArticle;
import com.liferay.knowledge.base.service.permission.AdminPermission;
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.theme.ThemeDisplay;
import com.liferay.portal.kernel.util.Portal;
import com.liferay.portal.kernel.util.WebKeys;
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 Roberto Díaz
 */
@Component(
	immediate = true,
	property = {
		"javax.portlet.name=" + KBPortletKeys.KNOWLEDGE_BASE_ADMIN, "path=-"
	},
	service = PortletConfigurationIcon.class
)
public class KBArticleGroupSubscriptionPortletConfigurationIcon
	extends BasePortletConfigurationIcon {

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

		if (_isSubscribed(portletRequest)) {
			key = "unsubscribe";
		}

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

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

		PortletURL portletURL = _portal.getControlPanelPortletURL(
			portletRequest, KBPortletKeys.KNOWLEDGE_BASE_ADMIN,
			PortletRequest.ACTION_PHASE);

		if (_isSubscribed(portletRequest)) {
			portletURL.setParameter(
				ActionRequest.ACTION_NAME, "unsubscribeGroupKBArticles");
		}
		else {
			portletURL.setParameter(
				ActionRequest.ACTION_NAME, "subscribeGroupKBArticles");
		}

		portletURL.setParameter(
			"redirect", _portal.getCurrentURL(portletRequest));

		return portletURL.toString();
	}

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

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

		return AdminPermission.contains(
			themeDisplay.getPermissionChecker(), themeDisplay.getScopeGroupId(),
			KBActionKeys.SUBSCRIBE);
	}

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

		_subscriptionLocalService = subscriptionLocalService;
	}

	private boolean _isSubscribed(PortletRequest portletRequest) {
		ThemeDisplay themeDisplay = (ThemeDisplay)portletRequest.getAttribute(
			WebKeys.THEME_DISPLAY);

		return _subscriptionLocalService.isSubscribed(
			themeDisplay.getCompanyId(), themeDisplay.getUserId(),
			KBArticle.class.getName(), themeDisplay.getScopeGroupId());
	}

	@Reference
	private Portal _portal;

	private SubscriptionLocalService _subscriptionLocalService;

}