C++ CMusicDbUrl::FromString方法代码示例

JSONRPC_STATUS CAudioLibrary::GetArtistDetails(const CStdString &method, ITransportLayer *transport, IClient *client, const CVariant &parameterObject, CVariant &result)
{
  int artistID = (int)parameterObject["artistid"].asInteger();

  CMusicDbUrl musicUrl;
  if (!musicUrl.FromString("musicdb://2/"))
    return InternalError;

  CMusicDatabase musicdatabase;
  if (!musicdatabase.Open())
    return InternalError;

  musicUrl.AddOption("artistid", artistID);

  CFileItemList items;
  CDatabase::Filter filter;
  if (!musicdatabase.GetArtistsByWhere(musicUrl.ToString(), filter, items) || items.Size() != 1)
    return InvalidParams;

  // Add "artist" to "properties" array by default
  CVariant param = parameterObject;
  if (!param.isMember("properties"))
    param["properties"] = CVariant(CVariant::VariantTypeArray);
  param["properties"].append("artist");

  HandleFileItem("artistid", false, "artistdetails", items[0], param, param["properties"], result, false);
  return OK;
}

bool CGUIWindowMusicBase::GetDirectory(const CStdString &strDirectory, CFileItemList &items)
{
  CStdString directory = strDirectory;

  // check if the path contains a filter and if so load it and
  // remove it from the path to get proper GUI view states etc
  CSmartPlaylist filterXsp;
  CMusicDbUrl musicUrl;
  if (musicUrl.FromString(strDirectory))
  {
    CVariant filter;
    if (musicUrl.GetOption("filter", filter))
    {
      // load the filter and if it's type does not match the
      // path's item type reset it
      if (filterXsp.LoadFromJson(filter.asString()) && !filterXsp.GetType().Equals(musicUrl.GetType().c_str()))
        filterXsp.Reset();

      // remove the "filter" option from the path
      musicUrl.AddOption("filter", "");
    }
    directory = musicUrl.ToString();
  }

  items.SetArt("thumb", "");
  bool bResult = CGUIMediaWindow::GetDirectory(directory, items);
  if (bResult)
    CMusicThumbLoader::FillThumb(items);

  // (re-)apply the previously retrieved filter
  // because it was reset in CGUIMediaWindow::GetDirectory()
  if (!filterXsp.IsEmpty())
    m_filter = filterXsp;

  // add in the "New Playlist" item if we're in the playlists folder
  if ((items.GetPath() == "special://musicplaylists/") && !items.Contains("newplaylist://"))
  {
    CFileItemPtr newPlaylist(new CFileItem(g_settings.GetUserDataItem("PartyMode.xsp"),false));
    newPlaylist->SetLabel(g_localizeStrings.Get(16035));
    newPlaylist->SetLabelPreformated(true);
    newPlaylist->m_bIsFolder = true;
    items.Add(newPlaylist);

    newPlaylist.reset(new CFileItem("newplaylist://", false));
    newPlaylist->SetLabel(g_localizeStrings.Get(525));
    newPlaylist->SetLabelPreformated(true);
    newPlaylist->SetSpecialSort(SortSpecialOnBottom);
    newPlaylist->SetCanQueue(false);
    items.Add(newPlaylist);

    newPlaylist.reset(new CFileItem("newsmartplaylist://music", false));
    newPlaylist->SetLabel(g_localizeStrings.Get(21437));
    newPlaylist->SetLabelPreformated(true);
    newPlaylist->SetSpecialSort(SortSpecialOnBottom);
    newPlaylist->SetCanQueue(false);
    items.Add(newPlaylist);
  }

  return bResult;
}

JSONRPC_STATUS CAudioLibrary::GetAlbums(const CStdString &method, ITransportLayer *transport, IClient *client, const CVariant &parameterObject, CVariant &result)
{
  CMusicDatabase musicdatabase;
  if (!musicdatabase.Open())
    return InternalError;

  CMusicDbUrl musicUrl;
  musicUrl.FromString("musicdb://3/");
  int artistID = -1, genreID = -1;
  const CVariant &filter = parameterObject["filter"];
  if (filter.isMember("artistid"))
    artistID = (int)filter["artistid"].asInteger();
  if (filter.isMember("artist"))
    musicUrl.AddOption("artist", filter["artist"].asString());
  if (filter.isMember("genreid"))
    genreID = (int)filter["genreid"].asInteger();
  if (filter.isMember("genre"))
    musicUrl.AddOption("genre", filter["genre"].asString());

  SortDescription sorting;
  ParseLimits(parameterObject, sorting.limitStart, sorting.limitEnd);
  if (!ParseSorting(parameterObject, sorting.sortBy, sorting.sortOrder, sorting.sortAttributes))
    return InvalidParams;

  CFileItemList items;
  if (!musicdatabase.GetAlbumsNav(musicUrl.ToString(), items, genreID, artistID, sorting))
    return InternalError;

  int size = items.Size();
  if (items.HasProperty("total") && items.GetProperty("total").asInteger() > size)
    size = (int)items.GetProperty("total").asInteger();
  HandleFileItemList("albumid", false, "albums", items, parameterObject, result, size, false);

  return OK;
}

JSONRPC_STATUS CAudioLibrary::GetSongs(const std::string &method, ITransportLayer *transport, IClient *client, const CVariant &parameterObject, CVariant &result)
{
  CMusicDatabase musicdatabase;
  if (!musicdatabase.Open())
    return InternalError;

  CMusicDbUrl musicUrl;
  if (!musicUrl.FromString("musicdb://songs/"))
    return InternalError;


  if (!parameterObject["includesingles"].asBoolean())
    musicUrl.AddOption("singles", false);

  int genreID = -1, albumID = -1, artistID = -1;
  const CVariant &filter = parameterObject["filter"];
  if (filter.isMember("artistid"))
    artistID = (int)filter["artistid"].asInteger();
  else if (filter.isMember("artist"))
    musicUrl.AddOption("artist", filter["artist"].asString());
  else if (filter.isMember("genreid"))
    genreID = (int)filter["genreid"].asInteger();
  else if (filter.isMember("genre"))
    musicUrl.AddOption("genre", filter["genre"].asString());
  else if (filter.isMember("albumid"))
    albumID = (int)filter["albumid"].asInteger();
  else if (filter.isMember("album"))
    musicUrl.AddOption("album", filter["album"].asString());
  else if (filter.isObject())
  {
    std::string xsp;
    if (!GetXspFiltering("songs", filter, xsp))
      return InvalidParams;

    musicUrl.AddOption("xsp", xsp);
  }

  SortDescription sorting;
  ParseLimits(parameterObject, sorting.limitStart, sorting.limitEnd);
  if (!ParseSorting(parameterObject, sorting.sortBy, sorting.sortOrder, sorting.sortAttributes))
    return InvalidParams;

  CFileItemList items;
  if (!musicdatabase.GetSongsNav(musicUrl.ToString(), items, genreID, artistID, albumID, sorting))
    return InternalError;

  JSONRPC_STATUS ret = GetAdditionalSongDetails(parameterObject, items, musicdatabase);
  if (ret != OK)
    return ret;

  int size = items.Size();
  if (items.HasProperty("total") && items.GetProperty("total").asInteger() > size)
    size = (int)items.GetProperty("total").asInteger();
  HandleFileItemList("songid", true, "songs", items, parameterObject, result, size, false);

  return OK;
}

JSONRPC_STATUS CAudioLibrary::GetArtists(const std::string &method, ITransportLayer *transport, IClient *client, const CVariant &parameterObject, CVariant &result)
{
  CMusicDatabase musicdatabase;
  if (!musicdatabase.Open())
    return InternalError;

  CMusicDbUrl musicUrl;
  if (!musicUrl.FromString("musicdb://artists/"))
    return InternalError;

  int genreID = -1, albumID = -1, songID = -1;
  const CVariant &filter = parameterObject["filter"];
  if (filter.isMember("genreid"))
    genreID = (int)filter["genreid"].asInteger();
  else if (filter.isMember("genre"))
    musicUrl.AddOption("genre", filter["genre"].asString());
  else if (filter.isMember("albumid"))
    albumID = (int)filter["albumid"].asInteger();
  else if (filter.isMember("album"))
    musicUrl.AddOption("album", filter["album"].asString());
  else if (filter.isMember("songid"))
    songID = (int)filter["songid"].asInteger();
  else if (filter.isObject())
  {
    std::string xsp;
    if (!GetXspFiltering("artists", filter, xsp))
      return InvalidParams;

    musicUrl.AddOption("xsp", xsp);
  }

  bool albumArtistsOnly = !CSettings::GetInstance().GetBool(CSettings::SETTING_MUSICLIBRARY_SHOWCOMPILATIONARTISTS);
  if (parameterObject["albumartistsonly"].isBoolean())
    albumArtistsOnly = parameterObject["albumartistsonly"].asBoolean();

  SortDescription sorting;
  ParseLimits(parameterObject, sorting.limitStart, sorting.limitEnd);
  if (!ParseSorting(parameterObject, sorting.sortBy, sorting.sortOrder, sorting.sortAttributes))
    return InvalidParams;

  CFileItemList items;
  if (!musicdatabase.GetArtistsNav(musicUrl.ToString(), items, albumArtistsOnly, genreID, albumID, songID, CDatabase::Filter(), sorting))
    return InternalError;

  // Add "artist" to "properties" array by default
  CVariant param = parameterObject;
  if (!param.isMember("properties"))
    param["properties"] = CVariant(CVariant::VariantTypeArray);
  param["properties"].append("artist");

  int size = items.Size();
  if (items.HasProperty("total") && items.GetProperty("total").asInteger() > size)
    size = (int)items.GetProperty("total").asInteger();
  HandleFileItemList("artistid", false, "artists", items, param, result, size, false);
  return OK;
}

JSONRPC_STATUS CAudioLibrary::GetArtists(const CStdString &method, ITransportLayer *transport, IClient *client, const CVariant &parameterObject, CVariant &result)
{
  CMusicDatabase musicdatabase;
  if (!musicdatabase.Open())
    return InternalError;

  CMusicDbUrl musicUrl;
  musicUrl.FromString("musicdb://2/");
  int genreID = -1, albumID = -1, songID = -1;
  const CVariant &filter = parameterObject["filter"];
  if (filter.isMember("genreid"))
    genreID = (int)filter["genreid"].asInteger();
  if (filter.isMember("genre"))
    musicUrl.AddOption("genre", filter["genre"].asString());
  if (filter.isMember("albumid"))
    albumID = (int)filter["albumid"].asInteger();
  if (filter.isMember("album"))
    musicUrl.AddOption("album", filter["album"].asString());
  if (filter.isMember("songid"))
    songID = (int)filter["songid"].asInteger();

  bool albumArtistsOnly = !g_guiSettings.GetBool("musiclibrary.showcompilationartists");
  if (parameterObject["albumartistsonly"].isBoolean())
    albumArtistsOnly = parameterObject["albumartistsonly"].asBoolean();

  SortDescription sorting;
  ParseLimits(parameterObject, sorting.limitStart, sorting.limitEnd);
  if (!ParseSorting(parameterObject, sorting.sortBy, sorting.sortOrder, sorting.sortAttributes))
    return InvalidParams;

  CFileItemList items;
  if (!musicdatabase.GetArtistsNav(musicUrl.ToString(), items, albumArtistsOnly, genreID, albumID, songID, sorting))
    return InternalError;

  // Add "artist" to "properties" array by default
  CVariant param = parameterObject;
  if (!param.isMember("properties"))
    param["properties"] = CVariant(CVariant::VariantTypeArray);
  param["properties"].append("artist");

  HandleFileItemList("artistid", false, "artists", items, param, result, false);
  return OK;
}

//  Add an "* All ..." folder to the CFileItemList
//  depending on the child node
void CDirectoryNode::AddQueuingFolder(CFileItemList& items) const
{
  CFileItemPtr pItem;

  CMusicDbUrl musicUrl;
  if (!musicUrl.FromString(BuildPath()))
    return;

  // always hide "all" items
  if (g_advancedSettings.m_bMusicLibraryHideAllItems)
    return;

  // no need for "all" item when only one item
  if (items.GetObjectCount() <= 1)
    return;

  switch (GetChildType())
  {
    //  Have no queuing folder
  case NODE_TYPE_ROOT:
  case NODE_TYPE_OVERVIEW:
  case NODE_TYPE_TOP100:
    break;

  /* no need for all genres
  case NODE_TYPE_GENRE:
    pItem.reset(new CFileItem(g_localizeStrings.Get(15105)));  // "All Genres"
    musicUrl.AppendPath("-1/");
    pItem->SetPath(musicUrl.ToString());
    break;
  */

  case NODE_TYPE_ARTIST:
    if (GetType() == NODE_TYPE_OVERVIEW) return;
    pItem.reset(new CFileItem(g_localizeStrings.Get(15103)));  // "All Artists"
    musicUrl.AppendPath("-1/");
    pItem->SetPath(musicUrl.ToString());
    break;

    //  All album related nodes
  case NODE_TYPE_ALBUM:
    if (GetType() == NODE_TYPE_OVERVIEW) return;
  case NODE_TYPE_ALBUM_RECENTLY_PLAYED:
  case NODE_TYPE_ALBUM_RECENTLY_ADDED:
  case NODE_TYPE_ALBUM_COMPILATIONS:
  case NODE_TYPE_ALBUM_TOP100:
  case NODE_TYPE_YEAR_ALBUM:
    pItem.reset(new CFileItem(g_localizeStrings.Get(15102)));  // "All Albums"
    musicUrl.AppendPath("-1/");
    pItem->SetPath(musicUrl.ToString());
    break;

    //  All song related nodes
/*  case NODE_TYPE_ALBUM_RECENTLY_PLAYED_SONGS:
  case NODE_TYPE_ALBUM_RECENTLY_ADDED_SONGS:
  case NODE_TYPE_ALBUM_COMPILATIONS_SONGS:
  case NODE_TYPE_ALBUM_TOP100_SONGS:
  case NODE_TYPE_SONG_TOP100:
  case NODE_TYPE_SONG:
    pItem = new CFileItem(g_localizeStrings.Get(15104));  // "All Songs"
    musicUrl.AppendPath("-1/");
    pItem->SetPath(musicUrl.ToString());
    break;*/
  default:
    break;
  }

  if (pItem)
  {
    pItem->m_bIsFolder = true;
    pItem->SetSpecialSort(g_advancedSettings.m_bMusicLibraryAllItemsOnBottom ? SortSpecialOnBottom : SortSpecialOnTop);
    pItem->SetCanQueue(false);
    pItem->SetLabelPreformated(true);
    if (g_advancedSettings.m_bMusicLibraryAllItemsOnBottom)
      items.Add(pItem);
    else
      items.AddFront(pItem, (items.Size() > 0 && items[0]->IsParentFolder()) ? 1 : 0);
  }
}

  bool CSmartPlaylistDirectory::GetDirectory(const CSmartPlaylist &playlist, CFileItemList& items, const std::string &strBaseDir /* = "" */, bool filter /* = false */)
  {
    bool success = false, success2 = false;
    std::vector<std::string> virtualFolders;

    SortDescription sorting;
    sorting.limitEnd = playlist.GetLimit();
    sorting.sortBy = playlist.GetOrder();
    sorting.sortOrder = playlist.GetOrderAscending() ? SortOrderAscending : SortOrderDescending;
    sorting.sortAttributes = playlist.GetOrderAttributes();
    if (CSettings::Get().GetBool("filelists.ignorethewhensorting"))
      sorting.sortAttributes = (SortAttribute)(sorting.sortAttributes | SortAttributeIgnoreArticle);
    items.SetSortIgnoreFolders((sorting.sortAttributes & SortAttributeIgnoreFolders) == SortAttributeIgnoreFolders);

    std::string option = !filter ? "xsp" : "filter";
    const std::string& group = playlist.GetGroup();
    bool isGrouped = !group.empty() && !StringUtils::EqualsNoCase(group, "none") && !playlist.IsGroupMixed();

    // get all virtual folders and add them to the item list
    playlist.GetVirtualFolders(virtualFolders);
    for (std::vector<std::string>::const_iterator virtualFolder = virtualFolders.begin(); virtualFolder != virtualFolders.end(); virtualFolder++)
    {
      CFileItemPtr pItem = CFileItemPtr(new CFileItem(*virtualFolder, true));
      IFileDirectory *dir = CFileDirectoryFactory::Create(pItem->GetURL(), pItem.get());

      if (dir != NULL)
      {
        pItem->SetSpecialSort(SortSpecialOnTop);
        items.Add(pItem);
        delete dir;
      }
    }

    if (playlist.GetType() == "movies" ||
        playlist.GetType() == "tvshows" ||
        playlist.GetType() == "episodes")
    {
      CVideoDatabase db;
      if (db.Open())
      {
        MediaType mediaType = MediaTypes::FromString(playlist.GetType());

        std::string baseDir = strBaseDir;
        if (strBaseDir.empty())
        {
          if (mediaType == MediaTypeTvShow || mediaType == MediaTypeEpisode)
            baseDir = "videodb://tvshows/";
          else if (mediaType == MediaTypeMovie)
            baseDir = "videodb://movies/";
          else
            return false;

          if (!isGrouped)
            baseDir += "titles";
          else
            baseDir += group;
          URIUtils::AddSlashAtEnd(baseDir);

          if (mediaType == MediaTypeEpisode)
            baseDir += "-1/-1/";
        }

        CVideoDbUrl videoUrl;
        if (!videoUrl.FromString(baseDir))
          return false;

        // store the smartplaylist as JSON in the URL as well
        std::string xsp;
        if (!playlist.IsEmpty(filter))
        {
          if (!playlist.SaveAsJson(xsp, !filter))
            return false;
        }

        if (!xsp.empty())
          videoUrl.AddOption(option, xsp);
        else
          videoUrl.RemoveOption(option);
        
        CDatabase::Filter dbfilter;
        success = db.GetItems(videoUrl.ToString(), items, dbfilter, sorting);
        db.Close();

        // if we retrieve a list of episodes and we didn't receive
        // a pre-defined base path, we need to fix it
        if (strBaseDir.empty() && mediaType == MediaTypeEpisode && !isGrouped)
          videoUrl.AppendPath("-1/-1/");
        items.SetProperty(PROPERTY_PATH_DB, videoUrl.ToString());
      }
    }
    else if (playlist.IsMusicType() || playlist.GetType().empty())
    {
      CMusicDatabase db;
      if (db.Open())
      {
        CSmartPlaylist plist(playlist);
        if (playlist.GetType() == "mixed" || playlist.GetType().empty())
          plist.SetType("songs");

        MediaType mediaType = MediaTypes::FromString(plist.GetType());
//.........这里部分代码省略.........

JSONRPC_STATUS CAudioLibrary::GetArtists(const std::string &method, ITransportLayer *transport, IClient *client, const CVariant &parameterObject, CVariant &result)
{
  CMusicDatabase musicdatabase;
  if (!musicdatabase.Open())
    return InternalError;

  CMusicDbUrl musicUrl;
  if (!musicUrl.FromString("musicdb://artists/"))
    return InternalError;

  bool allroles = false;
  if (parameterObject["allroles"].isBoolean())
    allroles = parameterObject["allroles"].asBoolean();

  const CVariant &filter = parameterObject["filter"];

  if (allroles)
    musicUrl.AddOption("roleid", -1000); //All roles, any negative parameter overrides implicit roleid=1 filter required for backward compatibility
  else if (filter.isMember("roleid"))
    musicUrl.AddOption("roleid", static_cast<int>(filter["roleid"].asInteger()));
  else if (filter.isMember("role"))
    musicUrl.AddOption("role", filter["role"].asString());
  // Only one of (song) genreid/genre, albumid/album or songid/song or rules type filter is allowed by filter syntax
  if (filter.isMember("genreid"))  //Deprecated. Use "songgenre" or "artistgenre"
    musicUrl.AddOption("genreid", static_cast<int>(filter["genreid"].asInteger()));
  else if (filter.isMember("genre"))
    musicUrl.AddOption("genre", filter["genre"].asString());
  if (filter.isMember("songgenreid"))
    musicUrl.AddOption("genreid", static_cast<int>(filter["songgenreid"].asInteger()));
  else if (filter.isMember("songgenre"))
    musicUrl.AddOption("genre", filter["songgenre"].asString());
  else if (filter.isMember("albumid"))
    musicUrl.AddOption("albumid", static_cast<int>(filter["albumid"].asInteger()));
  else if (filter.isMember("album"))
    musicUrl.AddOption("album", filter["album"].asString());
  else if (filter.isMember("songid"))
    musicUrl.AddOption("songid", static_cast<int>(filter["songid"].asInteger()));
  else if (filter.isObject())
  {
    std::string xsp;
    if (!GetXspFiltering("artists", filter, xsp))
      return InvalidParams;

    musicUrl.AddOption("xsp", xsp);
  }

  bool albumArtistsOnly = !CServiceBroker::GetSettings().GetBool(CSettings::SETTING_MUSICLIBRARY_SHOWCOMPILATIONARTISTS);
  if (parameterObject["albumartistsonly"].isBoolean())
    albumArtistsOnly = parameterObject["albumartistsonly"].asBoolean();
  musicUrl.AddOption("albumartistsonly", albumArtistsOnly);

  SortDescription sorting;
  ParseLimits(parameterObject, sorting.limitStart, sorting.limitEnd);
  if (!ParseSorting(parameterObject, sorting.sortBy, sorting.sortOrder, sorting.sortAttributes))
    return InvalidParams;

  int total;
  std::set<std::string> fields;
  if (parameterObject.isMember("properties") && parameterObject["properties"].isArray())
  {
    for (CVariant::const_iterator_array field = parameterObject["properties"].begin_array();
      field != parameterObject["properties"].end_array(); field++)
      fields.insert(field->asString());
  }

  musicdatabase.SetTranslateBlankArtist(false);
  if (!musicdatabase.GetArtistsByWhereJSON(fields, musicUrl.ToString(), result, total, sorting))
    return InternalError;

  int start, end;
  HandleLimits(parameterObject, result, total, start, end);

  return OK;
}

JSONRPC_STATUS CAudioLibrary::GetSongs(const std::string &method, ITransportLayer *transport, IClient *client, const CVariant &parameterObject, CVariant &result)
{
  CMusicDatabase musicdatabase;
  if (!musicdatabase.Open())
    return InternalError;

  CMusicDbUrl musicUrl;
  if (!musicUrl.FromString("musicdb://songs/"))
    return InternalError;

  if (parameterObject["singlesonly"].asBoolean())
    musicUrl.AddOption("singles", true);
  else if (!parameterObject["includesingles"].asBoolean())
    musicUrl.AddOption("singles", false);

  bool allroles = false;
  if (parameterObject["allroles"].isBoolean())
    allroles = parameterObject["allroles"].asBoolean();

  const CVariant &filter = parameterObject["filter"];

  if (allroles)
    musicUrl.AddOption("roleid", -1000); //All roles, override implicit roleid=1 filter required for backward compatibility
  else if (filter.isMember("roleid"))
    musicUrl.AddOption("roleid", static_cast<int>(filter["roleid"].asInteger()));
  else if (filter.isMember("role"))
    musicUrl.AddOption("role", filter["role"].asString());
  // Only one of genreid/genre, artistid/artist, albumid/album or rules type filter is allowed by filter syntax
  if (filter.isMember("artistid"))
    musicUrl.AddOption("artistid", static_cast<int>(filter["artistid"].asInteger()));
  else if (filter.isMember("artist"))
    musicUrl.AddOption("artist", filter["artist"].asString());
  else if (filter.isMember("genreid"))
    musicUrl.AddOption("genreid", static_cast<int>(filter["genreid"].asInteger()));
  else if (filter.isMember("genre"))
    musicUrl.AddOption("genre", filter["genre"].asString());
  else if (filter.isMember("albumid"))
    musicUrl.AddOption("albumid", static_cast<int>(filter["albumid"].asInteger()));
  else if (filter.isMember("album"))
    musicUrl.AddOption("album", filter["album"].asString());
  else if (filter.isObject())
  {
    std::string xsp;
    if (!GetXspFiltering("songs", filter, xsp))
      return InvalidParams;

    musicUrl.AddOption("xsp", xsp);
  }

  SortDescription sorting;
  ParseLimits(parameterObject, sorting.limitStart, sorting.limitEnd);
  if (!ParseSorting(parameterObject, sorting.sortBy, sorting.sortOrder, sorting.sortAttributes))
    return InvalidParams;

  int total;
  std::set<std::string> fields;
  if (parameterObject.isMember("properties") && parameterObject["properties"].isArray())
  {
    for (CVariant::const_iterator_array field = parameterObject["properties"].begin_array();
      field != parameterObject["properties"].end_array(); field++)
      fields.insert(field->asString());
  }

  if (!musicdatabase.GetSongsByWhereJSON(fields, musicUrl.ToString(), result, total, sorting))
    return InternalError;

  if (!result.isNull())
  {
    bool bFetchArt = fields.find("art") != fields.end();
    bool bFetchFanart = fields.find("fanart") != fields.end();
    bool bFetchThumb = fields.find("thumbnail") != fields.end();
    if (bFetchArt || bFetchFanart || bFetchThumb)
    {
      CThumbLoader* thumbLoader = new CMusicThumbLoader();
      thumbLoader->OnLoaderStart();

      std::set<std::string> artfields;
      if (bFetchArt)
        artfields.insert("art");
      if (bFetchFanart)
        artfields.insert("fanart");
      if (bFetchThumb)
        artfields.insert("thumbnail");

      for (unsigned int index = 0; index < result["songs"].size(); index++)
      {
        CFileItem item;
        // Only needs song and album id (if we have it) set to get art
        // Getting art is quicker if "albumid" has been fetched
        item.GetMusicInfoTag()->SetDatabaseId(result["songs"][index]["songid"].asInteger(), MediaTypeSong);
        if (result["songs"][index].isMember("albumid"))
          item.GetMusicInfoTag()->SetAlbumId(result["songs"][index]["albumid"].asInteger());
        else
          item.GetMusicInfoTag()->SetAlbumId(-1);

        // Could use FillDetails, but it does unnecessary serialization of empty MusiInfoTag
        // CFileItemPtr itemptr(new CFileItem(item));
        // FillDetails(item.GetMusicInfoTag(), itemptr, artfields, result["songs"][index], thumbLoader);

        thumbLoader->FillLibraryArt(item);
//.........这里部分代码省略.........

JSONRPC_STATUS CAudioLibrary::GetAlbums(const std::string &method, ITransportLayer *transport, IClient *client, const CVariant &parameterObject, CVariant &result)
{
  CMusicDatabase musicdatabase;
  if (!musicdatabase.Open())
    return InternalError;

  CMusicDbUrl musicUrl;
  if (!musicUrl.FromString("musicdb://albums/"))
    return InternalError;

  if (parameterObject["includesingles"].asBoolean())
    musicUrl.AddOption("show_singles", true);

  const CVariant &filter = parameterObject["filter"];
  if (filter.isMember("artistid"))
    musicUrl.AddOption("artistid", (int)filter["artistid"].asInteger());
  else if (filter.isMember("artist"))
    musicUrl.AddOption("artist", filter["artist"].asString());
  else if (filter.isMember("genreid"))
    musicUrl.AddOption("genreid", (int)filter["genreid"].asInteger());
  else if (filter.isMember("genre"))
    musicUrl.AddOption("genre", filter["genre"].asString());
  else if (filter.isObject())
  {
    std::string xsp;
    if (!GetXspFiltering("albums", filter, xsp))
      return InvalidParams;

    musicUrl.AddOption("xsp", xsp);
  }

  SortDescription sorting;
  ParseLimits(parameterObject, sorting.limitStart, sorting.limitEnd);
  if (!ParseSorting(parameterObject, sorting.sortBy, sorting.sortOrder, sorting.sortAttributes))
    return InvalidParams;

  int total;
  VECALBUMS albums;
  if (!musicdatabase.GetAlbumsByWhere(musicUrl.ToString(), CDatabase::Filter(), albums, total, sorting))
    return InternalError;

  CFileItemList items;
  items.Reserve(albums.size());
  for (unsigned int index = 0; index < albums.size(); index++)
  {
    CMusicDbUrl itemUrl = musicUrl;
    std::string path = StringUtils::Format("%i/", albums[index].idAlbum);
    itemUrl.AppendPath(path);

    CFileItemPtr pItem;
    FillAlbumItem(albums[index], itemUrl.ToString(), pItem);
    items.Add(pItem);
  }

  //Get Genre IDs
  JSONRPC_STATUS ret = GetAdditionalAlbumDetails(parameterObject, items, musicdatabase);
  if (ret != OK)
    return ret;

  int size = items.Size();
  if (total > size)
    size = total;
  HandleFileItemList("albumid", false, "albums", items, parameterObject, result, size, false);

  return OK;
}

  bool CSmartPlaylistDirectory::GetDirectory(const CSmartPlaylist &playlist, CFileItemList& items, const CStdString &strBaseDir /* = "" */, bool filter /* = false */)
  {
    bool success = false, success2 = false;
    std::set<CStdString> playlists;

    SortDescription sorting;
    sorting.limitEnd = playlist.GetLimit();
    sorting.sortBy = playlist.GetOrder();
    sorting.sortOrder = playlist.GetOrderAscending() ? SortOrderAscending : SortOrderDescending;
    if (g_guiSettings.GetBool("filelists.ignorethewhensorting"))
      sorting.sortAttributes = SortAttributeIgnoreArticle;

    std::string option = !filter ? "xsp" : "filter";

    if (playlist.GetType().Equals("movies") ||
        playlist.GetType().Equals("tvshows") ||
        playlist.GetType().Equals("episodes"))
    {
      CVideoDatabase db;
      if (db.Open())
      {
        MediaType mediaType = DatabaseUtils::MediaTypeFromString(playlist.GetType());

        CStdString baseDir = strBaseDir;
        if (strBaseDir.empty())
        {
          switch (mediaType)
          {
          case MediaTypeTvShow:
          case MediaTypeEpisode:
            baseDir = "videodb://2/2/";
            break;

          case MediaTypeMovie:
            baseDir = "videodb://1/2/";
            break;

          default:
            return false;
          }
        }

        CVideoDbUrl videoUrl;
        if (!videoUrl.FromString(baseDir))
          return false;

        // store the smartplaylist as JSON in the URL as well
        CStdString xsp;
        if (!playlist.IsEmpty(filter))
        {
          if (!playlist.SaveAsJson(xsp, !filter))
            return false;
        }
        videoUrl.AddOption(option, xsp);
        
        CDatabase::Filter dbfilter;
        success = db.GetSortedVideos(mediaType, videoUrl.ToString(), sorting, items, dbfilter, true);
        db.Close();

        // if we retrieve a list of episodes and we didn't receive
        // a pre-defined base path, we need to fix it
        if (strBaseDir.empty() && mediaType == MediaTypeEpisode)
          videoUrl.AppendPath("-1/-1/");
        items.SetProperty(PROPERTY_PATH_DB, videoUrl.ToString());
      }
    }
    else if (playlist.GetType().Equals("albums"))
    {
      CMusicDatabase db;
      if (db.Open())
      {
        CMusicDbUrl musicUrl;
        if (!musicUrl.FromString(!strBaseDir.empty() ? strBaseDir : "musicdb://3/"))
          return false;

        // store the smartplaylist as JSON in the URL as well
        CStdString xsp;
        if (!playlist.IsEmpty(filter))
        {
          if (!playlist.SaveAsJson(xsp, !filter))
            return false;
        }
        musicUrl.AddOption(option, xsp);

        CDatabase::Filter dbfilter;
        success = db.GetAlbumsByWhere(musicUrl.ToString(), dbfilter, items, sorting);
        db.Close();
        items.SetContent("albums");
        items.SetProperty(PROPERTY_PATH_DB, musicUrl.ToString());
      }
    }
    else if (playlist.GetType().Equals("artists"))
    {
      CMusicDatabase db;
      if (db.Open())
      {
        CMusicDbUrl musicUrl;
        if (!musicUrl.FromString("musicdb://2/"))
          return false;

//.........这里部分代码省略.........