content: /*
   This file is part of Airsonic.
  
   Airsonic is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation, either version 3 of the License, or
   (at your option) any later version.
  
   Airsonic 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 General Public License for more details.
  
   You should have received a copy of the GNU General Public License
   along with Airsonic.  If not, see <http://www.gnu.org/licenses/>.
  
   Copyright 2016 (C) Airsonic Authors
   Based upon Subsonic, Copyright 2009 (C) Sindre Mehus
   */
  package org.airsonic.player.controller;
  
  import org.airsonic.player.domain.*;
  import org.airsonic.player.service.MediaFileService;
  import org.airsonic.player.service.PlayerService;
  import org.airsonic.player.service.SecurityService;
  import org.airsonic.player.service.SettingsService;
  import org.apache.commons.lang.StringUtils;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.stereotype.Controller;
  import org.springframework.ui.ModelMap;
  import org.springframework.web.bind.ServletRequestBindingException;
  import org.springframework.web.bind.ServletRequestUtils;
  import org.springframework.web.bind.annotation.PostMapping;
  import org.springframework.web.bind.annotation.RequestMapping;
  import org.springframework.web.bind.annotation.RequestParam;
  
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  
  import java.util.*;
  
  /**
   * Controller for the creating a random play queue.
   *
   * @author Sindre Mehus
   */
  @Controller
  @RequestMapping("/randomPlayQueue.view")
  public class RandomPlayQueueController {
  
      @Autowired
      private PlayerService playerService;
      @Autowired
      private MediaFileService mediaFileService;
      @Autowired
      private SecurityService securityService;
      @Autowired
      private SettingsService settingsService;
  
      @PostMapping
      protected String handleRandomPlayQueue(
              ModelMap model,
              HttpServletRequest request,
              HttpServletResponse response,
              @RequestParam("size") Integer size,
              @RequestParam(value = "genre", required = false) String genre,
              @RequestParam(value = "year", required = false) String year,
              @RequestParam(value = "songRating", required = false) String songRating,
              @RequestParam(value = "lastPlayedValue", required = false) String lastPlayedValue,
              @RequestParam(value = "lastPlayedComp", required = false) String lastPlayedComp,
              @RequestParam(value = "albumRatingValue", required = false) Integer albumRatingValue,
              @RequestParam(value = "albumRatingComp", required = false) String albumRatingComp,
              @RequestParam(value = "playCountValue", required = false) Integer playCountValue,
              @RequestParam(value = "playCountComp", required = false) String playCountComp,
              @RequestParam(value = "format", required = false) String format,
              @RequestParam(value = "autoRandom", required = false) String autoRandom
      ) throws Exception {
  
          Integer fromYear = null;
          Integer toYear = null;
          Integer minAlbumRating = null;
          Integer maxAlbumRating = null;
          Integer minPlayCount = null;
          Integer maxPlayCount = null;
          Date minLastPlayedDate = null;
          Date maxLastPlayedDate = null;
          boolean doesShowStarredSongs = false;
          boolean doesShowUnstarredSongs = false;
  
          if (size == null) {
              size = 24;
          }
  
          // Handle the genre filter
          if (StringUtils.equalsIgnoreCase("any", genre)) {
              genre = null;
          }
  
          // Handle the release year filter
          if (!StringUtils.equalsIgnoreCase("any", year)) {
              String[] tmp = StringUtils.split(year);
              fromYear = Integer.parseInt(tmp[0]);
              toYear = Integer.parseInt(tmp[1]);
          }
  
          // Handle the song rating filter
          if (StringUtils.equalsIgnoreCase("any", songRating)) {
              doesShowStarredSongs = true;
              doesShowUnstarredSongs = true;
          } else if (StringUtils.equalsIgnoreCase("starred", songRating)) {
              doesShowStarredSongs = true;
              doesShowUnstarredSongs = false;
          } else if (StringUtils.equalsIgnoreCase("unstarred", songRating)) {
              doesShowStarredSongs = false;
              doesShowUnstarredSongs = true;
          }
  
          // Handle the last played date filter
          Calendar lastPlayed = Calendar.getInstance();
          lastPlayed.setTime(new Date());
          switch (lastPlayedValue) {
              case "any":
                  lastPlayed = null;
                  break;
              case "1day":
                  lastPlayed.add(Calendar.DAY_OF_YEAR, -1);
                  break;
              case "1week":
                  lastPlayed.add(Calendar.WEEK_OF_YEAR, -1);
                  break;
              case "1month":
                  lastPlayed.add(Calendar.MONTH, -1);
                  break;
              case "3months":
                  lastPlayed.add(Calendar.MONTH, -3);
                  break;
              case "6months":
                  lastPlayed.add(Calendar.MONTH, -6);
                  break;
              case "1year":
                  lastPlayed.add(Calendar.YEAR, -1);
                  break;
          }
          if (lastPlayed != null) {
              switch (lastPlayedComp) {
                  case "lt":
                      minLastPlayedDate = null;
                      maxLastPlayedDate = lastPlayed.getTime();
                      break;
                  case "gt":
                      minLastPlayedDate = lastPlayed.getTime();
                      maxLastPlayedDate = null;
                      break;
              }
          }
  
          // Handle the album rating filter
          if (albumRatingValue != null) {
              switch (albumRatingComp) {
                  case "lt":
                      minAlbumRating = null;
                      maxAlbumRating = albumRatingValue - 1;
                      break;
                  case "gt":
                      minAlbumRating = albumRatingValue + 1;
                      maxAlbumRating = null;
                      break;
                  case "le":
                      minAlbumRating = null;
                      maxAlbumRating = albumRatingValue;
                      break;
                  case "ge":
                      minAlbumRating = albumRatingValue;
                      maxAlbumRating = null;
                      break;
                  case "eq":
                      minAlbumRating = albumRatingValue;
                      maxAlbumRating = albumRatingValue;
                      break;
              }
          }
  
          // Handle the play count filter
          if (playCountValue != null) {
              switch (playCountComp) {
                  case "lt":
                      minPlayCount = null;
                      maxPlayCount = playCountValue - 1;
                      break;
                  case "gt":
                      minPlayCount = playCountValue + 1;
                      maxPlayCount = null;
                      break;
                  case "le":
                      minPlayCount = null;
                      maxPlayCount = playCountValue;
                      break;
                  case "ge":
                      minPlayCount = playCountValue;
                      maxPlayCount = null;
                      break;
                  case "eq":
                      minPlayCount = playCountValue;
                      maxPlayCount = playCountValue;
                      break;
              }
          }
  
          // Handle the format filter
          if (StringUtils.equalsIgnoreCase(format, "any")) format = null;
  
          // Handle the music folder filter
          List<MusicFolder> musicFolders = getMusicFolders(request);
  
          // Do we add to the current playlist or do we replace it?
          boolean shouldAddToPlayList = request.getParameter("addToPlaylist") != null;
  
          // Search the database using these criteria
          RandomSearchCriteria criteria = new RandomSearchCriteria(
                  size,
                  genre,
                  fromYear,
                  toYear,
                  musicFolders,
                  minLastPlayedDate,
                  maxLastPlayedDate,
                  minAlbumRating,
                  maxAlbumRating,
                  minPlayCount,
                  maxPlayCount,
                  doesShowStarredSongs,
                  doesShowUnstarredSongs,
                  format
          );
          User user = securityService.getCurrentUser(request);
          Player player = playerService.getPlayer(request, response);
          PlayQueue playQueue = player.getPlayQueue();
          playQueue.addFiles(shouldAddToPlayList, mediaFileService.getRandomSongs(criteria, user.getUsername()));
  
          if (autoRandom != null) {
              playQueue.setRandomSearchCriteria(criteria);
              playQueue.setInternetRadio(null);
          }
  
          // Render the 'reload' view to reload the play queue and the main page
          List<ReloadFrame> reloadFrames = new ArrayList<>();
          reloadFrames.add(new ReloadFrame("playQueue", "playQueue.view?"));
          reloadFrames.add(new ReloadFrame("main", "more.view"));
          Map<String, Object> map = new HashMap<>();
          map.put("reloadFrames", reloadFrames);
          model.addAttribute("model", map);
          return "reload";
      }
  
      private List<MusicFolder> getMusicFolders(HttpServletRequest request) throws ServletRequestBindingException {
          String username = securityService.getCurrentUsername(request);
          Integer selectedMusicFolderId = ServletRequestUtils.getRequiredIntParameter(request, "musicFolderId");
          if (selectedMusicFolderId == -1) {
              selectedMusicFolderId = null;
          }
          return settingsService.getMusicFoldersForUser(username, selectedMusicFolderId);
      }
  }
  