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.MediaFile;
  import org.airsonic.player.domain.MusicFolder;
  import org.airsonic.player.domain.Share;
  import org.airsonic.player.domain.User;
  import org.airsonic.player.service.MediaFileService;
  import org.airsonic.player.service.SecurityService;
  import org.airsonic.player.service.SettingsService;
  import org.airsonic.player.service.ShareService;
  import org.apache.commons.lang.StringUtils;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.stereotype.Controller;
  import org.springframework.ui.Model;
  import org.springframework.web.bind.ServletRequestUtils;
  import org.springframework.web.bind.annotation.GetMapping;
  import org.springframework.web.bind.annotation.PostMapping;
  import org.springframework.web.bind.annotation.RequestMapping;
  import org.springframework.web.servlet.mvc.support.RedirectAttributes;
  
  import javax.servlet.http.HttpServletRequest;
  
  import java.util.*;
  
  /**
   * Controller for the page used to administrate the set of shared media.
   *
   * @author Sindre Mehus
   */
  @Controller
  @RequestMapping("/shareSettings")
  public class ShareSettingsController {
  
      @Autowired
      private ShareService shareService;
      @Autowired
      private SecurityService securityService;
      @Autowired
      private MediaFileService mediaFileService;
      @Autowired
      private SettingsService settingsService;
  
  
      @GetMapping
      public String doGet(HttpServletRequest request, Model model) {
  
          Map<String, Object> map = new HashMap<String, Object>();
          map.put("shareInfos", getShareInfos(request));
          map.put("user", securityService.getCurrentUser(request));
  
          model.addAttribute("model", map);
          return "shareSettings";
      }
  
      @PostMapping
      public String doPost(HttpServletRequest request, RedirectAttributes redirectAttributes) {
          handleParameters(request);
  
          redirectAttributes.addFlashAttribute("settings_toast", true);
  
          return "redirect:shareSettings.view";
      }
  
      private void handleParameters(HttpServletRequest request) {
          User user = securityService.getCurrentUser(request);
          for (Share share : shareService.getSharesForUser(user)) {
              int id = share.getId();
  
              String description = getParameter(request, "description", id);
              boolean delete = getParameter(request, "delete", id) != null;
              String expireIn = getParameter(request, "expireIn", id);
  
              if (delete) {
                  shareService.deleteShare(id);
              } else {
                  if (expireIn != null) {
                      share.setExpires(parseExpireIn(expireIn));
                  }
                  share.setDescription(description);
                  shareService.updateShare(share);
              }
          }
  
          boolean deleteExpired = ServletRequestUtils.getBooleanParameter(request, "deleteExpired", false);
          if (deleteExpired) {
              Date now = new Date();
              for (Share share : shareService.getSharesForUser(user)) {
                  Date expires = share.getExpires();
                  if (expires != null && expires.before(now)) {
                      shareService.deleteShare(share.getId());
                  }
              }
          }
      }
  
      private List<ShareInfo> getShareInfos(HttpServletRequest request) {
          List<ShareInfo> result = new ArrayList<ShareInfo>();
          User user = securityService.getCurrentUser(request);
          List<MusicFolder> musicFolders = settingsService.getMusicFoldersForUser(user.getUsername());
  
          for (Share share : shareService.getSharesForUser(user)) {
              List<MediaFile> files = shareService.getSharedFiles(share.getId(), musicFolders);
              if (!files.isEmpty()) {
                  MediaFile file = files.get(0);
                  result.add(new ShareInfo(shareService.getShareUrl(request, share), share, file.isDirectory() ? file :
                          mediaFileService
                          .getParentOf(file)));
              }
          }
          return result;
      }
  
  
      private String getParameter(HttpServletRequest request, String name, int id) {
          return StringUtils.trimToNull(request.getParameter(name + "[" + id + "]"));
      }
  
      private Date parseExpireIn(String expireIn) {
          int days = Integer.parseInt(expireIn);
          if (days == 0) {
              return null;
          }
  
          Calendar calendar = Calendar.getInstance();
          calendar.add(Calendar.DAY_OF_YEAR, days);
          return calendar.getTime();
      }
  
      public static class ShareInfo {
          private final String shareUrl;
          private final Share share;
          private final MediaFile dir;
  
          public ShareInfo(String shareUrl, Share share, MediaFile dir) {
              this.shareUrl = shareUrl;
              this.share = share;
              this.dir = dir;
          }
  
          public Share getShare() {
              return share;
          }
  
          public String getShareUrl() {
              return shareUrl;
          }
  
          public MediaFile getDir() {
              return dir;
          }
      }
  }
  