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.Transcoding;
  import org.airsonic.player.service.SettingsService;
  import org.airsonic.player.service.TranscodingService;
  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.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.HashMap;
  import java.util.Map;
  
  /**
   * Controller for the page used to administrate the set of transcoding configurations.
   *
   * @author Sindre Mehus
   */
  @Controller
  @RequestMapping("/transcodingSettings")
  public class TranscodingSettingsController {
  
      @Autowired
      private TranscodingService transcodingService;
      @Autowired
      private SettingsService settingsService;
  
      @GetMapping
      public String doGet(Model model) {
  
          Map<String, Object> map = new HashMap<String, Object>();
  
          map.put("transcodings", transcodingService.getAllTranscodings());
          map.put("transcodeDirectory", transcodingService.getTranscodeDirectory());
          map.put("hlsCommand", settingsService.getHlsCommand());
          map.put("brand", settingsService.getBrand());
  
          model.addAttribute("model", map);
          return "transcodingSettings";
      }
  
      @PostMapping
      public String doPost(HttpServletRequest request, RedirectAttributes redirectAttributes) {
          String error = handleParameters(request, redirectAttributes);
          if (error != null) {
              redirectAttributes.addFlashAttribute("error", error);
          } else {
              redirectAttributes.addFlashAttribute("settings_toast", true);
          }
          return "redirect:transcodingSettings.view";
      }
  
      private String handleParameters(HttpServletRequest request, RedirectAttributes redirectAttributes) {
  
          for (Transcoding transcoding : transcodingService.getAllTranscodings()) {
              Integer id = transcoding.getId();
              String name = getParameter(request, "name", id);
              String sourceFormats = getParameter(request, "sourceFormats", id);
              String targetFormat = getParameter(request, "targetFormat", id);
              String step1 = getParameter(request, "step1", id);
              String step2 = getParameter(request, "step2", id);
              boolean delete = getParameter(request, "delete", id) != null;
  
              if (delete) {
                  transcodingService.deleteTranscoding(id);
              } else if (name == null) {
                  return "transcodingsettings.noname";
              } else if (sourceFormats == null) {
                  return "transcodingsettings.nosourceformat";
              } else if (targetFormat == null) {
                  return "transcodingsettings.notargetformat";
              } else if (step1 == null) {
                  return "transcodingsettings.nostep1";
              } else {
                  transcoding.setName(name);
                  transcoding.setSourceFormats(sourceFormats);
                  transcoding.setTargetFormat(targetFormat);
                  transcoding.setStep1(step1);
                  transcoding.setStep2(step2);
                  transcodingService.updateTranscoding(transcoding);
              }
          }
  
          String name = StringUtils.trimToNull(request.getParameter("name"));
          String sourceFormats = StringUtils.trimToNull(request.getParameter("sourceFormats"));
          String targetFormat = StringUtils.trimToNull(request.getParameter("targetFormat"));
          String step1 = StringUtils.trimToNull(request.getParameter("step1"));
          String step2 = StringUtils.trimToNull(request.getParameter("step2"));
          boolean defaultActive = request.getParameter("defaultActive") != null;
  
          if (name != null || sourceFormats != null || targetFormat != null || step1 != null || step2 != null) {
              Transcoding transcoding = new Transcoding(null, name, sourceFormats, targetFormat, step1, step2, null, defaultActive);
              String error = null;
              if (name == null) {
                  error = "transcodingsettings.noname";
              } else if (sourceFormats == null) {
                  error = "transcodingsettings.nosourceformat";
              } else if (targetFormat == null) {
                  error = "transcodingsettings.notargetformat";
              } else if (step1 == null) {
                  error = "transcodingsettings.nostep1";
              } else {
                  transcodingService.createTranscoding(transcoding);
              }
              if (error != null) {
                  redirectAttributes.addAttribute("newTranscoding", transcoding);
                  return error;
              }
          }
          settingsService.setHlsCommand(StringUtils.trim(request.getParameter("hlsCommand")));
          settingsService.save();
          return null;
      }
  
      private String getParameter(HttpServletRequest request, String name, Integer id) {
          return StringUtils.trimToNull(request.getParameter(name + "[" + id + "]"));
      }
  }
  