code: /*
   * Computoser is a music-composition algorithm and a website to present the results
   * Copyright (C) 2012-2014  Bozhidar Bozhanov
   *
   * Computoser 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.
   *
   * Computoser 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 Computoser.  If not, see <http://www.gnu.org/licenses/>.
   */
  
  package com.music.web;
  
  import javax.inject.Inject;
  
  import org.springframework.stereotype.Controller;
  import org.springframework.ui.Model;
  import org.springframework.web.bind.annotation.PathVariable;
  import org.springframework.web.bind.annotation.RequestMapping;
  import org.springframework.web.bind.annotation.ResponseBody;
  
  import com.music.model.persistent.TimelineMusic;
  import com.music.service.UserService;
  import com.music.service.text.TimelineToMusicService;
  
  @Controller
  public class TimelineToMusicController {
  
      @Inject
      private TimelineToMusicService service;
  
      @Inject
      private UserService userService;
  
      @Inject
      private UserContext ctx;
  
      @RequestMapping("/twitterMusic/trigger")
      @ResponseBody
      public Long trigger() {
          return service.makeTimelineMusicRequest(ctx.getUser()).getId();
      }
  
      @RequestMapping("/twitterMusic/{id}")
      public String get(@PathVariable Long id, Model model) {
          TimelineMusic music = service.getTwitterMusic(id);
          if (music == null) {
              return "redirect:/twitterMusic";
          }
          model.addAttribute("music", music);
          model.addAttribute("currentPage", "twittermusic");
          return "twitterMusic";
      }
  
      @RequestMapping("/twitterMusic")
      public String home(Model model) {
          boolean hasTwitter = userService.getTwitterAuthentication(ctx.getUser()) != null;
          model.addAttribute("hasTwitter", hasTwitter);
          model.addAttribute("currentPage", "twittermusic");
          return "twitterMusicHome";
      }
  
  }
  