net.triptech.metahive.web.CommentController.java Source code

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Here is the source code for net.triptech.metahive.web.CommentController.java

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/*******************************************************************************
 * Copyright (c) 2012 David Harrison, Triptech Ltd.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/gpl.html
 *
 * Contributors:
 *     David Harrison, Triptech Ltd - initial API and implementation
 ******************************************************************************/
package net.triptech.metahive.web;

import javax.servlet.http.HttpServletRequest;
import javax.validation.Valid;

import net.triptech.metahive.FlashScope;
import net.triptech.metahive.model.Comment;
import net.triptech.metahive.model.Person;
import net.triptech.metahive.web.model.CommentForm;

import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

/**
 * The Class CommentController.
 */
@RequestMapping("/comments")
@Controller
public class CommentController extends BaseController {

    /**
     * Creates the comment.
     *
     * @param commentForm the comment form
     * @param bindingResult the binding result
     * @param uiModel the ui model
     * @param request the http servlet request
     * @return the string
     */
    @RequestMapping(method = RequestMethod.POST)
    @PreAuthorize("hasAnyRole('ROLE_EDITOR','ROLE_EDITOR','ROLE_ADMIN')")
    public String create(@Valid CommentForm commentForm, BindingResult bindingResult, Model uiModel,
            HttpServletRequest request) {

        Person user = loadUser(request);

        String redirect = "redirect:/";

        if (user == null) {
            // A valid user is required
            FlashScope.appendMessage(getMessage("metahive_valid_user_required"), request);
        }

        if (commentForm.getDefinition() != null || commentForm.getRecord() != null) {

            if (bindingResult.hasErrors()) {
                FlashScope.appendMessage(getMessage("metahive_object_validation", Comment.class), request);
            } else {
                uiModel.asMap().clear();

                Comment comment = commentForm.newComment(user);

                if (comment.getDefinition() != null) {
                    redirect = "redirect:/definitions/"
                            + encodeUrlPathSegment(comment.getDefinition().getId().toString(), request);
                }
                if (comment.getRecord() != null) {
                    redirect = "redirect:/records/"
                            + encodeUrlPathSegment(comment.getRecord().getId().toString(), request);
                }
                comment.persist();
                comment.flush();

                FlashScope.appendMessage(getMessage("metahive_create_complete", Comment.class), request);
            }
        }

        return redirect;
    }

    @RequestMapping(value = "/{id}", method = RequestMethod.DELETE)
    @PreAuthorize("hasRole('ROLE_ADMIN')")
    public String delete(@PathVariable("id") Long id, Model uiModel, HttpServletRequest request) {

        Comment comment = Comment.findComment(id);

        String redirect = "redirect:/";

        if (comment.getDefinition() != null) {
            redirect = "redirect:/definitions/"
                    + encodeUrlPathSegment(comment.getDefinition().getId().toString(), request);
        }
        if (comment.getRecord() != null) {
            redirect = "redirect:/records/" + encodeUrlPathSegment(comment.getRecord().getId().toString(), request);
        }

        comment.remove();
        uiModel.asMap().clear();

        FlashScope.appendMessage(getMessage("metahive_delete_complete", Comment.class), request);

        return redirect;
    }
}