csns.web.controller.CourseControllerS.java Source code

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Here is the source code for csns.web.controller.CourseControllerS.java

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/*
 * This file is part of the CSNetwork Services (CSNS) project.
 * 
 * Copyright 2013-2014, Chengyu Sun (csun@calstatela.edu).
 * 
 * CSNS is free software: you can redistribute it and/or modify it under the
 * terms of the GNU Affero General Public License as published by the Free
 * Software Foundation, either version 3 of the License, or (at your option)
 * any later version.
 * 
 * CSNS 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 Affero General Public License for
 * more details.
 * 
 * You should have received a copy of the GNU Affero General Public License
 * along with CSNS. If not, see http://www.gnu.org/licenses/agpl.html.
 */
package csns.web.controller;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.validation.BindingResult;
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.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.SessionAttributes;
import org.springframework.web.bind.support.SessionStatus;
import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.multipart.MultipartFile;

import csns.model.academics.Course;
import csns.model.academics.dao.CourseDao;
import csns.model.academics.dao.DepartmentDao;
import csns.model.core.User;
import csns.model.forum.Forum;
import csns.model.forum.dao.ForumDao;
import csns.security.SecurityUtils;
import csns.util.FileIO;
import csns.web.editor.UserPropertyEditor;
import csns.web.validator.CourseValidator;

@Controller
@SessionAttributes("course")
public class CourseControllerS {

    @Autowired
    private CourseDao courseDao;

    @Autowired
    private ForumDao forumDao;

    @Autowired
    private DepartmentDao departmentDao;

    @Autowired
    private CourseValidator courseValidator;

    @Autowired
    private FileIO fileIO;

    @Autowired
    private WebApplicationContext context;

    private static final Logger logger = LoggerFactory.getLogger(CourseControllerS.class);

    @InitBinder
    public void initBinder(WebDataBinder binder) {
        binder.registerCustomEditor(User.class, (UserPropertyEditor) context.getBean("userPropertyEditor"));
    }

    @RequestMapping(value = "/course/create", method = RequestMethod.GET)
    public String create(ModelMap models) {
        models.put("course", new Course());
        return "course/create";
    }

    @RequestMapping(value = "/course/create", method = RequestMethod.POST)
    public String create(@ModelAttribute Course course,
            @RequestParam(value = "file", required = false) MultipartFile uploadedFile, BindingResult bindingResult,
            SessionStatus sessionStatus) {
        courseValidator.validate(course, bindingResult);
        if (bindingResult.hasErrors())
            return "course/create";

        if (uploadedFile != null && !uploadedFile.isEmpty())
            course.setDescription(fileIO.save(uploadedFile, SecurityUtils.getUser(), true));

        course.setDepartment(departmentDao.getDepartment(course.getDept()));
        course = courseDao.saveCourse(course);

        Forum forum = new Forum(course.getCode() + " " + course.getName());
        forum.setCourse(course);
        forumDao.saveForum(forum);

        logger.info(SecurityUtils.getUser().getUsername() + " created course " + course.getId());

        sessionStatus.setComplete();
        return "redirect:view?id=" + course.getId();
    }

    @RequestMapping(value = "/course/edit", method = RequestMethod.GET)
    public String edit(@RequestParam Long id, ModelMap models) {
        models.put("course", courseDao.getCourse(id));
        return "course/edit";
    }

    @RequestMapping(value = "/course/edit", method = RequestMethod.POST)
    public String edit(@ModelAttribute Course course,
            @RequestParam(value = "file", required = false) MultipartFile uploadedFile, BindingResult bindingResult,
            SessionStatus sessionStatus) {
        courseValidator.validate(course, bindingResult);
        if (bindingResult.hasErrors())
            return "course/edit";

        if (uploadedFile != null && !uploadedFile.isEmpty())
            course.setDescription(fileIO.save(uploadedFile, SecurityUtils.getUser(), true));

        course.setDepartment(departmentDao.getDepartment(course.getDept()));
        course = courseDao.saveCourse(course);

        Forum forum = forumDao.getForum(course);
        forum.setName(course.getCode() + " " + course.getName());
        forumDao.saveForum(forum);

        logger.info(SecurityUtils.getUser().getUsername() + " edited course " + course.getId());

        sessionStatus.setComplete();
        return "redirect:view?id=" + course.getId();
    }

}