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

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Here is the source code for ru.org.linux.comment.DeleteCommentController.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 com.google.common.collect.ImmutableList;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Required;
import org.springframework.http.HttpStatus;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.servlet.ModelAndView;
import ru.org.linux.auth.AccessViolationException;
import ru.org.linux.search.SearchQueueSender;
import ru.org.linux.site.BadParameterException;
import ru.org.linux.site.ScriptErrorException;
import ru.org.linux.site.Template;
import ru.org.linux.topic.Topic;
import ru.org.linux.topic.TopicDao;
import ru.org.linux.topic.TopicPermissionService;
import ru.org.linux.user.User;
import ru.org.linux.user.UserErrorException;

import javax.servlet.http.HttpServletRequest;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@Controller
public class DeleteCommentController {
    private SearchQueueSender searchQueueSender;
    private CommentService commentService;
    private TopicDao messageDao;
    private CommentPrepareService prepareService;

    @Autowired
    private TopicPermissionService permissionService;

    @Autowired
    @Required
    public void setSearchQueueSender(SearchQueueSender searchQueueSender) {
        this.searchQueueSender = searchQueueSender;
    }

    @Autowired
    public void setMessageDao(TopicDao messageDao) {
        this.messageDao = messageDao;
    }

    @Autowired
    public void setCommentService(CommentService commentService) {
        this.commentService = commentService;
    }

    @Autowired
    public void setPrepareService(CommentPrepareService prepareService) {
        this.prepareService = prepareService;
    }

    @RequestMapping(value = "/delete_comment.jsp", method = RequestMethod.GET)
    public ModelAndView showForm(HttpServletRequest request, @RequestParam("msgid") int msgid) throws Exception {
        Map<String, Object> params = new HashMap<>();

        Template tmpl = Template.getTemplate(request);

        if (!tmpl.isSessionAuthorized()) {
            throw new AccessViolationException(" ");
        }

        params.put("msgid", msgid);

        Comment comment = commentService.getById(msgid);

        if (comment.isDeleted()) {
            throw new UserErrorException("  ");
        }

        int topicId = comment.getTopicId();

        Topic topic = messageDao.getById(topicId);

        if (topic.isDeleted()) {
            throw new AccessViolationException(" ");
        }

        params.put("topic", topic);

        CommentList comments = commentService.getCommentList(topic, tmpl.isModeratorSession());

        CommentFilter cv = new CommentFilter(comments);

        List<Comment> list = cv.getCommentsSubtree(msgid);

        params.put("commentsPrepared",
                prepareService.prepareCommentList(comments, list, request.isSecure(), tmpl, topic));
        params.put("comments", comments);

        return new ModelAndView("delete_comment", params);
    }

    @RequestMapping(value = "/delete_comment.jsp", method = RequestMethod.POST)
    public ModelAndView deleteComments(@RequestParam("msgid") int msgid, @RequestParam("reason") String reason,
            @RequestParam(value = "bonus", defaultValue = "0") int bonus, HttpServletRequest request)
            throws Exception {
        if (bonus < 0 || bonus > 20) {
            throw new BadParameterException("  ");
        }

        Template tmpl = Template.getTemplate(request);

        if (!tmpl.isSessionAuthorized()) {
            throw new AccessViolationException(" ");
        }

        User user = tmpl.getCurrentUser();
        user.checkBlocked();
        user.checkAnonymous();

        Comment comment = commentService.getById(msgid);

        if (comment.isDeleted()) {
            throw new UserErrorException("  ");
        }

        Topic topic = messageDao.getById(comment.getTopicId());

        final boolean haveAnswers = commentService.isHaveAnswers(comment);

        if (!permissionService.isCommentDeletableNow(comment, user, topic, haveAnswers)) {
            throw new UserErrorException(" ? ");
        }

        if (!user.isModerator() || comment.getUserid() == user.getId()) {
            bonus = 0;
        }

        StringBuilder out = new StringBuilder();

        List<Integer> deleted;

        if (user.isModerator()) {
            deleted = commentService.deleteWithReplys(msgid, reason, user, bonus);
            if (!deleted.isEmpty()) {
                out.append(" : ").append(deleted).append("<br>");
            } else {
                out.append("?  ");
            }
        } else {
            if (commentService.deleteComment(msgid, reason, user, 0)) {
                out.append(" ").append(msgid).append(" ");
            } else {
                out.append(" ").append(msgid).append("   ");
            }

            deleted = ImmutableList.of(msgid);
        }

        searchQueueSender.updateComment(deleted);

        Map<String, Object> params = new HashMap<>();
        params.put("message", " ?");
        params.put("bigMessage", out.toString());

        params.put("link", topic.getLink());

        return new ModelAndView("action-done", params);
    }

    @ExceptionHandler({ ScriptErrorException.class, UserErrorException.class, AccessViolationException.class })
    @ResponseStatus(HttpStatus.FORBIDDEN)
    public ModelAndView handleUserNotFound(Exception ex) {
        ModelAndView mav = new ModelAndView("errors/good-penguin");
        mav.addObject("msgTitle", ": " + ex.getMessage());
        mav.addObject("msgHeader", ex.getMessage());
        mav.addObject("msgMessage", "");
        return mav;
    }
}