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Liferay Wiki Web
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/**
 * 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.wiki.web.social;

import com.liferay.portal.kernel.exception.NoSuchModelException;
import com.liferay.portal.kernel.portletfilerepository.PortletFileRepositoryUtil;
import com.liferay.portal.kernel.repository.model.FileEntry;
import com.liferay.portal.kernel.security.permission.ActionKeys;
import com.liferay.portal.kernel.security.permission.PermissionChecker;
import com.liferay.portal.kernel.service.ServiceContext;
import com.liferay.portal.kernel.util.ClassResourceBundleLoader;
import com.liferay.portal.kernel.util.GetterUtil;
import com.liferay.portal.kernel.util.HttpUtil;
import com.liferay.portal.kernel.util.ResourceBundleLoader;
import com.liferay.portal.kernel.util.StringBundler;
import com.liferay.portal.kernel.util.StringPool;
import com.liferay.portal.kernel.util.Validator;
import com.liferay.social.kernel.model.BaseSocialActivityInterpreter;
import com.liferay.social.kernel.model.SocialActivity;
import com.liferay.social.kernel.model.SocialActivityConstants;
import com.liferay.social.kernel.model.SocialActivityInterpreter;
import com.liferay.wiki.constants.WikiPortletKeys;
import com.liferay.wiki.model.WikiPage;
import com.liferay.wiki.model.WikiPageResource;
import com.liferay.wiki.service.WikiPageLocalService;
import com.liferay.wiki.service.WikiPageResourceLocalService;
import com.liferay.wiki.service.permission.WikiPagePermissionChecker;
import com.liferay.wiki.social.WikiActivityKeys;

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

/**
 * @author Samuel Kong
 * @author Ryan Park
 * @author Zsolt Berentey
 */
@Component(
	property = {"javax.portlet.name=" + WikiPortletKeys.WIKI},
	service = SocialActivityInterpreter.class
)
public class WikiActivityInterpreter extends BaseSocialActivityInterpreter {

	@Override
	public String[] getClassNames() {
		return _CLASS_NAMES;
	}

	protected String getAttachmentTitle(
			SocialActivity activity, WikiPageResource pageResource,
			ServiceContext serviceContext)
		throws Exception {

		int activityType = activity.getType();

		if ((activityType == SocialActivityConstants.TYPE_ADD_ATTACHMENT) ||
			(activityType ==
				SocialActivityConstants.TYPE_MOVE_ATTACHMENT_TO_TRASH) ||
			(activityType ==
				SocialActivityConstants.TYPE_RESTORE_ATTACHMENT_FROM_TRASH)) {

			String link = null;

			FileEntry fileEntry = null;

			try {
				long fileEntryId = GetterUtil.getLong(
					activity.getExtraDataValue("fileEntryId"));

				fileEntry = PortletFileRepositoryUtil.getPortletFileEntry(
					fileEntryId);
			}
			catch (NoSuchModelException nsme) {
			}

			String fileEntryTitle = activity.getExtraDataValue(
				"fileEntryTitle");

			if ((fileEntry != null) && !fileEntry.isInTrash()) {
				StringBundler sb = new StringBundler(9);

				sb.append(serviceContext.getPathMain());
				sb.append("/wiki/get_page_attachment?p_l_id=");
				sb.append(serviceContext.getPlid());
				sb.append("&nodeId=");
				sb.append(pageResource.getNodeId());
				sb.append("&title=");
				sb.append(HttpUtil.encodeURL(pageResource.getTitle()));
				sb.append("&fileName=");
				sb.append(fileEntryTitle);

				link = sb.toString();
			}

			return wrapLink(link, fileEntryTitle);
		}

		return StringPool.BLANK;
	}

	@Override
	protected String getPath(
		SocialActivity activity, ServiceContext serviceContext) {

		return "/wiki/find_page?pageResourcePrimKey=" + activity.getClassPK();
	}

	@Override
	protected ResourceBundleLoader getResourceBundleLoader() {
		return _resourceBundleLoader;
	}

	@Override
	protected Object[] getTitleArguments(
			String groupName, SocialActivity activity, String link,
			String title, ServiceContext serviceContext)
		throws Exception {

		WikiPageResource pageResource =
			_wikiPageResourceLocalService.fetchWikiPageResource(
				activity.getClassPK());

		if (pageResource == null) {
			return null;
		}

		String creatorUserName = getUserName(
			activity.getUserId(), serviceContext);

		title = wrapLink(link, title);

		return new Object[] {
			groupName, creatorUserName, title,
			getAttachmentTitle(activity, pageResource, serviceContext)
		};
	}

	@Override
	protected String getTitlePattern(
		String groupName, SocialActivity activity) {

		int activityType = activity.getType();

		if ((activityType == WikiActivityKeys.ADD_COMMENT) ||
			(activityType == SocialActivityConstants.TYPE_ADD_COMMENT)) {

			if (Validator.isNull(groupName)) {
				return "activity-wiki-page-add-comment";
			}
			else {
				return "activity-wiki-page-add-comment-in";
			}
		}
		else if (activityType == WikiActivityKeys.ADD_PAGE) {
			if (Validator.isNull(groupName)) {
				return "activity-wiki-page-add-page";
			}
			else {
				return "activity-wiki-page-add-page-in";
			}
		}
		else if (activityType == SocialActivityConstants.TYPE_ADD_ATTACHMENT) {
			if (Validator.isNull(groupName)) {
				return "activity-wiki-page-add-attachment";
			}
			else {
				return "activity-wiki-page-add-attachment-in";
			}
		}
		else if (activityType ==
					SocialActivityConstants.TYPE_MOVE_ATTACHMENT_TO_TRASH) {

			if (Validator.isNull(groupName)) {
				return "activity-wiki-page-remove-attachment";
			}
			else {
				return "activity-wiki-page-remove-attachment-in";
			}
		}
		else if (activityType ==
					SocialActivityConstants.
						TYPE_RESTORE_ATTACHMENT_FROM_TRASH) {

			if (Validator.isNull(groupName)) {
				return "activity-wiki-page-restore-attachment";
			}
			else {
				return "activity-wiki-page-restore-attachment-in";
			}
		}
		else if (activityType == SocialActivityConstants.TYPE_MOVE_TO_TRASH) {
			if (Validator.isNull(groupName)) {
				return "activity-wiki-page-move-to-trash";
			}
			else {
				return "activity-wiki-page-move-to-trash-in";
			}
		}
		else if (activityType ==
					SocialActivityConstants.TYPE_RESTORE_FROM_TRASH) {

			if (Validator.isNull(groupName)) {
				return "activity-wiki-page-restore-from-trash";
			}
			else {
				return "activity-wiki-page-restore-from-trash-in";
			}
		}
		else if (activityType == WikiActivityKeys.UPDATE_PAGE) {
			if (Validator.isNull(groupName)) {
				return "activity-wiki-page-update-page";
			}
			else {
				return "activity-wiki-page-update-page-in";
			}
		}

		return null;
	}

	@Override
	protected boolean hasPermissions(
			PermissionChecker permissionChecker, SocialActivity activity,
			String actionId, ServiceContext serviceContext)
		throws Exception {

		if (!WikiPagePermissionChecker.contains(
				permissionChecker, activity.getClassPK(), ActionKeys.VIEW)) {

			return false;
		}

		int activityType = activity.getType();

		if (activityType == WikiActivityKeys.UPDATE_PAGE) {
			WikiPageResource pageResource =
				_wikiPageResourceLocalService.getPageResource(
					activity.getClassPK());

			double version = GetterUtil.getDouble(
				activity.getExtraDataValue("version"));

			WikiPage page = _wikiPageLocalService.getPage(
				pageResource.getNodeId(), pageResource.getTitle(), version);

			if (!page.isApproved() &&
				!WikiPagePermissionChecker.contains(
					permissionChecker, activity.getClassPK(),
					ActionKeys.UPDATE)) {

				return false;
			}
		}

		return true;
	}

	@Reference(unbind = "-")
	protected void setWikiPageLocalService(
		WikiPageLocalService wikiPageLocalService) {

		_wikiPageLocalService = wikiPageLocalService;
	}

	@Reference(unbind = "-")
	protected void setWikiPageResourceLocalService(
		WikiPageResourceLocalService wikiPageResourceLocalService) {

		_wikiPageResourceLocalService = wikiPageResourceLocalService;
	}

	private static final String[] _CLASS_NAMES = {WikiPage.class.getName()};

	private final ResourceBundleLoader _resourceBundleLoader =
		new ClassResourceBundleLoader(
			"content.Language", WikiActivityInterpreter.class);
	private WikiPageLocalService _wikiPageLocalService;
	private WikiPageResourceLocalService _wikiPageResourceLocalService;

}