ru.org.linux.comment.EditCommentController.java Source code

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Here is the source code for ru.org.linux.comment.EditCommentController.java

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/*
 * Copyright 1998-2012 Linux.org.ru
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */

package ru.org.linux.comment;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.support.ApplicationObjectSupport;
import org.springframework.stereotype.Controller;
import org.springframework.validation.Errors;
import org.springframework.web.bind.WebDataBinder;
import org.springframework.web.bind.annotation.InitBinder;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.view.RedirectView;
import ru.org.linux.auth.AccessViolationException;
import ru.org.linux.auth.IPBlockDao;
import ru.org.linux.auth.IPBlockInfo;
import ru.org.linux.csrf.CSRFNoAuto;
import ru.org.linux.search.SearchQueueSender;
import ru.org.linux.spring.dao.MessageText;
import ru.org.linux.spring.dao.MsgbaseDao;
import ru.org.linux.topic.TopicPermissionService;
import ru.org.linux.user.User;
import ru.org.linux.util.ServletParameterException;

import javax.servlet.http.HttpServletRequest;
import javax.validation.Valid;
import java.util.HashMap;
import java.util.Map;

@Controller
public class EditCommentController extends ApplicationObjectSupport {

    @Autowired
    private CommentService commentService;

    @Autowired
    private MsgbaseDao msgbaseDao;

    @Autowired
    private IPBlockDao ipBlockDao;

    @Autowired
    private TopicPermissionService topicPermissionService;

    @Autowired
    private CommentPrepareService commentPrepareService;

    @Autowired
    private SearchQueueSender searchQueueSender;

    @InitBinder("edit")
    public void requestValidator(WebDataBinder binder) {
        commentService.requestValidator(binder);
    }

    @InitBinder
    public void initBinder(WebDataBinder binder) {
        commentService.initBinder(binder);
    }

    @ModelAttribute("ipBlockInfo")
    private IPBlockInfo loadIPBlock(HttpServletRequest request) {
        return ipBlockDao.getBlockInfo(request.getRemoteAddr());
    }

    /**
     *   ? ?.
     *
     *
     * @param commentRequest  WEB-, ?? 
     * @return  web-
     * @throws ServletParameterException
     */
    @RequestMapping(value = "/edit_comment", method = RequestMethod.GET)
    public ModelAndView editCommentShowHandler(@ModelAttribute("edit") @Valid CommentRequest commentRequest)
            throws ServletParameterException {
        if (commentRequest.getTopic() == null) {
            throw new ServletParameterException("  ");
        }
        Comment original = commentRequest.getOriginal();
        if (original == null) {
            throw new ServletParameterException("  ");
        }
        MessageText messageText = msgbaseDao.getMessageText(original.getId());
        commentRequest.setMsg(messageText.getText());
        commentRequest.setTitle(original.getTitle());

        return new ModelAndView("edit_comment");
    }

    /**
     *  ?.
     *
     * @param commentRequest WEB-, ?? 
     * @param errors            ? 
     * @param request         ?  web-
     * @return  web-
     * @throws Exception
     */
    @RequestMapping(value = "/edit_comment", method = RequestMethod.POST)
    @CSRFNoAuto
    public ModelAndView editCommentPostHandler(@ModelAttribute("edit") @Valid CommentRequest commentRequest,
            Errors errors, HttpServletRequest request, @ModelAttribute("ipBlockInfo") IPBlockInfo ipBlockInfo)
            throws Exception {
        Map<String, Object> formParams = new HashMap<>();

        User user = commentService.getCommentUser(commentRequest, request, errors);

        commentService.checkPostData(commentRequest, user, ipBlockInfo, request, errors);
        commentService.prepareReplyto(commentRequest, formParams, request);

        String msg = commentService.getCommentBody(commentRequest, user, errors);
        Comment comment = commentService.getComment(commentRequest, user, request);

        if (commentRequest.getTopic() != null) {
            formParams.put("postscoreInfo",
                    TopicPermissionService.getPostScoreInfo(commentRequest.getTopic().getPostScore()));
            topicPermissionService.checkCommentsAllowed(commentRequest.getTopic(), user, errors);
            formParams.put("comment",
                    commentPrepareService.prepareCommentForEdit(comment, msg, request.isSecure()));
        }

        boolean editable = topicPermissionService.isCommentsEditingAllowed(commentRequest.getOriginal(),
                commentRequest.getTopic(), request);

        if (!editable) {
            throw new AccessViolationException(
                    " ?     ? ??");
        }

        if (commentRequest.isPreviewMode() || errors.hasErrors() && comment == null) {
            ModelAndView modelAndView = new ModelAndView("edit_comment", formParams);
            modelAndView.addObject("ipBlockInfo", ipBlockInfo);
            return modelAndView;
        }

        String originalMessageText = msgbaseDao.getMessageText(commentRequest.getOriginal().getId()).getText();

        commentService.edit(commentRequest.getOriginal(), comment, msg, request.getRemoteAddr(),
                request.getHeader("X-Forwarded-For"));
        searchQueueSender.updateComment(commentRequest.getOriginal().getId());

        commentService.addEditHistoryItem(user, commentRequest.getOriginal(), originalMessageText, comment, msg);
        commentService.updateLatestEditorInfo(user, commentRequest.getOriginal(), comment);

        String returnUrl = "/jump-message.jsp?msgid=" + commentRequest.getTopic().getId() + "&cid="
                + commentRequest.getOriginal().getId();

        return new ModelAndView(new RedirectView(returnUrl));
    }
}