com.liferay.blogs.web.internal.portlet.action.EditImageMVCActionCommand.java Source code

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Here is the source code for com.liferay.blogs.web.internal.portlet.action.EditImageMVCActionCommand.java

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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.blogs.web.internal.portlet.action;

import com.liferay.blogs.kernel.exception.NoSuchEntryException;
import com.liferay.blogs.service.BlogsEntryLocalService;
import com.liferay.blogs.web.constants.BlogsPortletKeys;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.portlet.bridges.mvc.BaseMVCActionCommand;
import com.liferay.portal.kernel.portlet.bridges.mvc.MVCActionCommand;
import com.liferay.portal.kernel.portletfilerepository.PortletFileRepositoryUtil;
import com.liferay.portal.kernel.repository.model.FileEntry;
import com.liferay.portal.kernel.repository.model.Folder;
import com.liferay.portal.kernel.security.auth.PrincipalException;
import com.liferay.portal.kernel.security.permission.ActionKeys;
import com.liferay.portal.kernel.servlet.SessionErrors;
import com.liferay.portal.kernel.theme.ThemeDisplay;
import com.liferay.portal.kernel.util.Constants;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.kernel.util.StringUtil;
import com.liferay.portal.kernel.util.WebKeys;
import com.liferay.portlet.blogs.service.permission.BlogsPermission;

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

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

/**
 * @author Sergio Gonzlez
 */
@Component(immediate = true, property = { "javax.portlet.name=" + BlogsPortletKeys.BLOGS_ADMIN,
        "mvc.command.name=/blogs/edit_image" }, service = MVCActionCommand.class)
public class EditImageMVCActionCommand extends BaseMVCActionCommand {

    protected void deleteImages(ActionRequest actionRequest) throws Exception {
        ThemeDisplay themeDisplay = (ThemeDisplay) actionRequest.getAttribute(WebKeys.THEME_DISPLAY);

        long[] deleteFileEntryIds = null;

        long fileEntryId = ParamUtil.getLong(actionRequest, "fileEntryId");

        if (fileEntryId > 0) {
            deleteFileEntryIds = new long[] { fileEntryId };
        } else {
            deleteFileEntryIds = StringUtil.split(ParamUtil.getString(actionRequest, "deleteFileEntryIds"), 0L);
        }

        Folder folder = _blogsEntryLocalService.addAttachmentsFolder(themeDisplay.getUserId(),
                themeDisplay.getScopeGroupId());

        for (long deleteFileEntryId : deleteFileEntryIds) {
            FileEntry fileEntry = PortletFileRepositoryUtil.getPortletFileEntry(deleteFileEntryId);

            if (fileEntry.getFolderId() != folder.getFolderId()) {
                continue;
            }

            if ((fileEntry.getUserId() == themeDisplay.getUserId()) || BlogsPermission.contains(
                    themeDisplay.getPermissionChecker(), themeDisplay.getScopeGroupId(), ActionKeys.UPDATE)) {

                PortletFileRepositoryUtil.deletePortletFileEntry(deleteFileEntryId);
            }
        }
    }

    @Override
    protected void doProcessAction(ActionRequest actionRequest, ActionResponse actionResponse) throws Exception {

        String cmd = ParamUtil.getString(actionRequest, Constants.CMD);

        try {
            if (cmd.equals(Constants.DELETE)) {
                deleteImages(actionRequest);
            }

            sendRedirect(actionRequest, actionResponse);
        } catch (Exception e) {
            if (e instanceof NoSuchEntryException || e instanceof PrincipalException) {

                SessionErrors.add(actionRequest, e.getClass());

                actionResponse.setRenderParameter("mvcPath", "/blogs/error.jsp");
            } else {
                throw e;
            }
        } catch (Throwable t) {
            _log.error(t, t);

            actionResponse.setRenderParameter("mvcPath", "/blogs/error.jsp");
        }
    }

    @Reference(unbind = "-")
    protected void setBlogsEntryLocalService(BlogsEntryLocalService blogsEntryLocalService) {

        _blogsEntryLocalService = blogsEntryLocalService;
    }

    private static final Log _log = LogFactoryUtil.getLog(EditImageMVCActionCommand.class);

    private BlogsEntryLocalService _blogsEntryLocalService;

}