C++ ScraperPtr::ClearCache方法代码示例

bool CVideoLibraryRefreshingJob::Work(CVideoDatabase &db)
{
  if (m_item == nullptr)
    return false;

  // determine the scraper for the item's path
  VIDEO::SScanSettings scanSettings;
  ADDON::ScraperPtr scraper = db.GetScraperForPath(m_item->GetPath(), scanSettings);
  if (scraper == nullptr)
    return false;

  // copy the scraper in case we need it again
  ADDON::ScraperPtr originalScraper(scraper);

  // get the item's correct title
  std::string itemTitle = m_searchTitle;
  if (itemTitle.empty())
    itemTitle = m_item->GetMovieName(scanSettings.parent_name);

  CScraperUrl scraperUrl;
  VIDEO::CVideoInfoScanner scanner;
  bool needsRefresh = m_forceRefresh;
  bool hasDetails = false;
  bool ignoreNfo = m_ignoreNfo;

  // run this in a loop in case we need to refresh again
  bool failure = false;
  do
  {
    if (!ignoreNfo)
    {
      // check if there's an NFO for the item
      CNfoFile::NFOResult nfoResult = scanner.CheckForNFOFile(m_item.get(), scanSettings.parent_name_root, scraper, scraperUrl);
      // if there's no NFO remember it in case we have to refresh again
      if (nfoResult == CNfoFile::ERROR_NFO)
        ignoreNfo = true;
      else if (nfoResult != CNfoFile::NO_NFO)
        hasDetails = true;


      // if we are performing a forced refresh ask the user to choose between using a valid NFO and a valid scraper
      if (needsRefresh && IsModal() && !scraper->IsNoop() &&
         (nfoResult == CNfoFile::URL_NFO || nfoResult == CNfoFile::COMBINED_NFO || nfoResult == CNfoFile::FULL_NFO))
      {
        int heading = 20159;
        if (scraper->Content() == CONTENT_MOVIES)
          heading = 13346;
        else if (scraper->Content() == CONTENT_TVSHOWS)
          heading = m_item->m_bIsFolder ? 20351 : 20352;
        else if (scraper->Content() == CONTENT_MUSICVIDEOS)
          heading = 20393;
        if (CGUIDialogYesNo::ShowAndGetInput(heading, 20446))
        {
          hasDetails = false;
          ignoreNfo = true;
          scraperUrl.Clear();
          scraper = originalScraper;
        }
      }
    }

    // no need to re-fetch the episode guide for episodes
    if (scraper->Content() == CONTENT_TVSHOWS && !m_item->m_bIsFolder)
      hasDetails = true;

    // if we don't have an url or need to refresh anyway do the web search
    if (!hasDetails && (needsRefresh || scraperUrl.m_url.empty()))
    {
      SetTitle(StringUtils::Format(g_localizeStrings.Get(197).c_str(), scraper->Name().c_str()));
      SetText(itemTitle);
      SetProgress(0);

      // clear any cached data from the scraper
      scraper->ClearCache();

      // create the info downloader for the scraper
      CVideoInfoDownloader infoDownloader(scraper);

      // try to find a matching item
      MOVIELIST itemResultList;
      int result = infoDownloader.FindMovie(itemTitle, itemResultList, GetProgressDialog());

      // close the progress dialog
      MarkFinished();

      if (result > 0)
      {
        // there are multiple matches for the item
        if (!itemResultList.empty())
        {
          // choose the first match
          if (!IsModal())
            scraperUrl = itemResultList.at(0);
          else
          {
            // ask the user what to do
            CGUIDialogSelect* selectDialog = static_cast<CGUIDialogSelect*>(g_windowManager.GetWindow(WINDOW_DIALOG_SELECT));
            selectDialog->Reset();
            selectDialog->SetHeading(scraper->Content() == CONTENT_TVSHOWS ? 20356 : 196);
            for (const auto& itemResult : itemResultList)
//.........这里部分代码省略.........

bool CMusicInfoScanner::DownloadAlbumInfo(const CStdString& strPath, const CStdString& strArtist, const CStdString& strAlbum, bool& bCanceled, CMusicAlbumInfo& albumInfo, CGUIDialogProgress* pDialog)
{
  CAlbum album;
  VECSONGS songs;
  XFILE::MUSICDATABASEDIRECTORY::CQueryParams params;
  XFILE::MUSICDATABASEDIRECTORY::CDirectoryNode::GetDatabaseInfo(strPath, params);
  bCanceled = false;
  m_musicDatabase.Open();
  if (m_musicDatabase.HasAlbumInfo(params.GetAlbumId()) && m_musicDatabase.GetAlbumInfo(params.GetAlbumId(),album,&songs))
    return true;

  // find album info
  ADDON::ScraperPtr info;
  if (!m_musicDatabase.GetScraperForPath(strPath, info, ADDON::ADDON_SCRAPER_ALBUMS) || !info)
  {
    m_musicDatabase.Close();
    return false;
  }

  if (m_handle)
  {
    m_handle->SetTitle(StringUtils::Format(g_localizeStrings.Get(20321), info->Name().c_str()));
    m_handle->SetText(strArtist+" - "+strAlbum);
  }

  // clear our scraper cache
  info->ClearCache();

  CMusicInfoScraper scraper(info);

  // handle nfo files
  CStdString strAlbumPath, strNfo;
  m_musicDatabase.GetAlbumPath(params.GetAlbumId(),strAlbumPath);
  URIUtils::AddFileToFolder(strAlbumPath,"album.nfo",strNfo);
  CNfoFile::NFOResult result=CNfoFile::NO_NFO;
  CNfoFile nfoReader;
  if (XFILE::CFile::Exists(strNfo))
  {
    CLog::Log(LOGDEBUG,"Found matching nfo file: %s", strNfo.c_str());
    result = nfoReader.Create(strNfo, info, -1, strPath);
    if (result == CNfoFile::FULL_NFO)
    {
      CLog::Log(LOGDEBUG, "%s Got details from nfo", __FUNCTION__);
      CAlbum album;
      nfoReader.GetDetails(album);
      m_musicDatabase.SetAlbumInfo(params.GetAlbumId(), album, album.songs);
      GetAlbumArtwork(params.GetAlbumId(), album);
      m_musicDatabase.Close();
      return true;
    }
    else if (result == CNfoFile::URL_NFO || result == CNfoFile::COMBINED_NFO)
    {
      CScraperUrl scrUrl(nfoReader.ScraperUrl());
      CMusicAlbumInfo album("nfo",scrUrl);
      info = nfoReader.GetScraperInfo();
      CLog::Log(LOGDEBUG,"-- nfo-scraper: %s",info->Name().c_str());
      CLog::Log(LOGDEBUG,"-- nfo url: %s", scrUrl.m_url[0].m_url.c_str());
      scraper.SetScraperInfo(info);
      scraper.GetAlbums().push_back(album);
    }
    else
      CLog::Log(LOGERROR,"Unable to find an url in nfo file: %s", strNfo.c_str());
  }

  if (!scraper.CheckValidOrFallback(g_guiSettings.GetString("musiclibrary.albumsscraper")))
  { // the current scraper is invalid, as is the default - bail
    CLog::Log(LOGERROR, "%s - current and default scrapers are invalid.  Pick another one", __FUNCTION__);
    return false;
  }

  if (!scraper.GetAlbumCount())
  {
    scraper.FindAlbumInfo(strAlbum, strArtist);

    while (!scraper.Completed())
    {
      if (m_bStop)
      {
        scraper.Cancel();
        bCanceled = true;
      }
      Sleep(1);
    }
  }

  CGUIDialogSelect *pDlg=NULL;
  int iSelectedAlbum=0;
  if (result == CNfoFile::NO_NFO)
  {
    iSelectedAlbum = -1; // set negative so that we can detect a failure
    if (scraper.Succeeded() && scraper.GetAlbumCount() >= 1)
    {
      int bestMatch = -1;
      double bestRelevance = 0;
      double minRelevance = THRESHOLD;
      if (scraper.GetAlbumCount() > 1) // score the matches
      {
        //show dialog with all albums found
        if (pDialog)
        {
//.........这里部分代码省略.........

INFO_RET CMusicInfoScanner::DownloadArtistInfo(const CArtist& artist, const ADDON::ScraperPtr& info, MUSIC_GRABBER::CMusicArtistInfo& artistInfo, CGUIDialogProgress* pDialog)
{
  if (m_handle)
  {
    m_handle->SetTitle(StringUtils::Format(g_localizeStrings.Get(20320).c_str(), info->Name().c_str()));
    m_handle->SetText(artist.strArtist);
  }

  // clear our scraper cache
  info->ClearCache();

  CMusicInfoScraper scraper(info);
  bool bMusicBrainz = false;
  if (!artist.strMusicBrainzArtistID.empty())
  {
    CScraperUrl musicBrainzURL;
    if (ResolveMusicBrainz(artist.strMusicBrainzArtistID, info, musicBrainzURL))
    {
      CMusicArtistInfo artistNfo("nfo", musicBrainzURL);
      scraper.GetArtists().clear();
      scraper.GetArtists().push_back(artistNfo);
      bMusicBrainz = true;
    }
  }

  // handle nfo files
  std::string path = artist.strPath;
  if (path.empty())
    m_musicDatabase.GetArtistPath(artist.idArtist, path);

  std::string strNfo = URIUtils::AddFileToFolder(path, "artist.nfo");
  CNfoFile::NFOResult result=CNfoFile::NO_NFO;
  CNfoFile nfoReader;
  if (XFILE::CFile::Exists(strNfo))
  {
    CLog::Log(LOGDEBUG,"Found matching nfo file: %s", strNfo.c_str());
    result = nfoReader.Create(strNfo, info);
    if (result == CNfoFile::FULL_NFO)
    {
      CLog::Log(LOGDEBUG, "%s Got details from nfo", __FUNCTION__);
      nfoReader.GetDetails(artistInfo.GetArtist());
      return INFO_ADDED;
    }
    else if (result == CNfoFile::URL_NFO || result == CNfoFile::COMBINED_NFO)
    {
      CScraperUrl scrUrl(nfoReader.ScraperUrl());
      CMusicArtistInfo artistNfo("nfo",scrUrl);
      ADDON::ScraperPtr nfoReaderScraper = nfoReader.GetScraperInfo();
      CLog::Log(LOGDEBUG,"-- nfo-scraper: %s",nfoReaderScraper->Name().c_str());
      CLog::Log(LOGDEBUG,"-- nfo url: %s", scrUrl.m_url[0].m_url.c_str());
      scraper.SetScraperInfo(nfoReaderScraper);
      scraper.GetArtists().push_back(artistNfo);
    }
    else
      CLog::Log(LOGERROR,"Unable to find an url in nfo file: %s", strNfo.c_str());
  }

  if (!scraper.GetArtistCount())
  {
    scraper.FindArtistInfo(artist.strArtist);

    while (!scraper.Completed())
    {
      if (m_bStop)
      {
        scraper.Cancel();
        return INFO_CANCELLED;
      }
      Sleep(1);
    }
  }

  int iSelectedArtist = 0;
  if (result == CNfoFile::NO_NFO && !bMusicBrainz)
  {
    if (scraper.GetArtistCount() >= 1)
    {
      // now load the first match
      if (pDialog && scraper.GetArtistCount() > 1)
      {
        // if we found more then 1 album, let user choose one
        CGUIDialogSelect *pDlg = (CGUIDialogSelect*)g_windowManager.GetWindow(WINDOW_DIALOG_SELECT);
        if (pDlg)
        {
          pDlg->SetHeading(g_localizeStrings.Get(21890));
          pDlg->Reset();
          pDlg->EnableButton(true, 413); // manual

          for (int i = 0; i < scraper.GetArtistCount(); ++i)
          {
            // set the label to artist
            CFileItem item(scraper.GetArtist(i).GetArtist());
            std::string strTemp=scraper.GetArtist(i).GetArtist().strArtist;
            if (!scraper.GetArtist(i).GetArtist().strBorn.empty())
              strTemp += " ("+scraper.GetArtist(i).GetArtist().strBorn+")";
            if (!scraper.GetArtist(i).GetArtist().genre.empty())
            {
              std::string genres = StringUtils::Join(scraper.GetArtist(i).GetArtist().genre, g_advancedSettings.m_musicItemSeparator);
              if (!genres.empty())
                strTemp = StringUtils::Format("[%s] %s", genres.c_str(), strTemp.c_str());
//.........这里部分代码省略.........

bool CMusicInfoScanner::DownloadArtistInfo(const CStdString& strPath, const CStdString& strArtist, bool& bCanceled, CGUIDialogProgress* pDialog)
{
  XFILE::MUSICDATABASEDIRECTORY::CQueryParams params;
  XFILE::MUSICDATABASEDIRECTORY::CDirectoryNode::GetDatabaseInfo(strPath, params);
  bCanceled = false;
  CArtist artist;
  m_musicDatabase.Open();
  if (m_musicDatabase.GetArtistInfo(params.GetArtistId(),artist)) // already got the info
    return true;

  // find artist info
  ADDON::ScraperPtr info;
  if (!m_musicDatabase.GetScraperForPath(strPath, info, ADDON::ADDON_SCRAPER_ARTISTS) || !info)
  {
    m_musicDatabase.Close();
    return false;
  }

  if (m_handle)
  {
    m_handle->SetTitle(StringUtils::Format(g_localizeStrings.Get(20320), info->Name().c_str()));
    m_handle->SetText(strArtist);
  }

  // clear our scraper cache
  info->ClearCache();

  CMusicInfoScraper scraper(info);
  // handle nfo files
  CStdString strArtistPath, strNfo;
  m_musicDatabase.GetArtistPath(params.GetArtistId(),strArtistPath);
  URIUtils::AddFileToFolder(strArtistPath,"artist.nfo",strNfo);
  CNfoFile::NFOResult result=CNfoFile::NO_NFO;
  CNfoFile nfoReader;
  if (XFILE::CFile::Exists(strNfo))
  {
    CLog::Log(LOGDEBUG,"Found matching nfo file: %s", strNfo.c_str());
    result = nfoReader.Create(strNfo, info);
    if (result == CNfoFile::FULL_NFO)
    {
      CLog::Log(LOGDEBUG, "%s Got details from nfo", __FUNCTION__);
      CArtist artist;
      nfoReader.GetDetails(artist);
      m_musicDatabase.SetArtistInfo(params.GetArtistId(), artist);
      map<string, string> artwork = GetArtistArtwork(params.GetArtistId(), &artist);
      m_musicDatabase.SetArtForItem(params.GetArtistId(), "artist", artwork);
      m_musicDatabase.Close();
      return true;
    }
    else if (result == CNfoFile::URL_NFO || result == CNfoFile::COMBINED_NFO)
    {
      CScraperUrl scrUrl(nfoReader.ScraperUrl());
      CMusicArtistInfo artist("nfo",scrUrl);
      info = nfoReader.GetScraperInfo();
      CLog::Log(LOGDEBUG,"-- nfo-scraper: %s",info->Name().c_str());
      CLog::Log(LOGDEBUG,"-- nfo url: %s", scrUrl.m_url[0].m_url.c_str());
      scraper.SetScraperInfo(info);
      scraper.GetArtists().push_back(artist);
    }
    else
      CLog::Log(LOGERROR,"Unable to find an url in nfo file: %s", strNfo.c_str());
  }

  if (!scraper.GetArtistCount())
  {
    scraper.FindArtistInfo(strArtist);

    while (!scraper.Completed())
    {
      if (m_bStop)
      {
        scraper.Cancel();
        bCanceled = true;
      }
      Sleep(1);
    }
  }

  int iSelectedArtist = 0;
  if (result == CNfoFile::NO_NFO)
  {
    if (scraper.Succeeded() && scraper.GetArtistCount() >= 1)
    {
      // now load the first match
      if (pDialog && scraper.GetArtistCount() > 1)
      {
        // if we found more then 1 album, let user choose one
        CGUIDialogSelect *pDlg = (CGUIDialogSelect*)g_windowManager.GetWindow(WINDOW_DIALOG_SELECT);
        if (pDlg)
        {
          pDlg->SetHeading(g_localizeStrings.Get(21890));
          pDlg->Reset();
          pDlg->EnableButton(true, 413); // manual

          for (int i = 0; i < scraper.GetArtistCount(); ++i)
          {
            // set the label to artist
            CFileItem item(scraper.GetArtist(i).GetArtist());
            CStdString strTemp=scraper.GetArtist(i).GetArtist().strArtist;
            if (!scraper.GetArtist(i).GetArtist().strBorn.IsEmpty())
//.........这里部分代码省略.........

INFO_RET CMusicInfoScanner::DownloadAlbumInfo(const CAlbum& album, const ADDON::ScraperPtr& info, CMusicAlbumInfo& albumInfo, CGUIDialogProgress* pDialog)
{
  if (m_handle)
  {
    m_handle->SetTitle(StringUtils::Format(g_localizeStrings.Get(20321).c_str(), info->Name().c_str()));
    m_handle->SetText(StringUtils::Join(album.artist, g_advancedSettings.m_musicItemSeparator) + " - " + album.strAlbum);
  }

  // clear our scraper cache
  info->ClearCache();

  CMusicInfoScraper scraper(info);
  bool bMusicBrainz = false;
  if (!album.strMusicBrainzAlbumID.empty())
  {
    CScraperUrl musicBrainzURL;
    if (ResolveMusicBrainz(album.strMusicBrainzAlbumID, info, musicBrainzURL))
    {
      CMusicAlbumInfo albumNfo("nfo", musicBrainzURL);
      scraper.GetAlbums().clear();
      scraper.GetAlbums().push_back(albumNfo);
      bMusicBrainz = true;
    }
  }

  // handle nfo files
  std::string path = album.strPath;
  if (path.empty())
    m_musicDatabase.GetAlbumPath(album.idAlbum, path);

  std::string strNfo = URIUtils::AddFileToFolder(path, "album.nfo");
  CNfoFile::NFOResult result = CNfoFile::NO_NFO;
  CNfoFile nfoReader;
  if (XFILE::CFile::Exists(strNfo))
  {
    CLog::Log(LOGDEBUG,"Found matching nfo file: %s", strNfo.c_str());
    result = nfoReader.Create(strNfo, info);
    if (result == CNfoFile::FULL_NFO)
    {
      CLog::Log(LOGDEBUG, "%s Got details from nfo", __FUNCTION__);
      nfoReader.GetDetails(albumInfo.GetAlbum());
      return INFO_ADDED;
    }
    else if (result == CNfoFile::URL_NFO || result == CNfoFile::COMBINED_NFO)
    {
      CScraperUrl scrUrl(nfoReader.ScraperUrl());
      CMusicAlbumInfo albumNfo("nfo",scrUrl);
      ADDON::ScraperPtr nfoReaderScraper = nfoReader.GetScraperInfo();
      CLog::Log(LOGDEBUG,"-- nfo-scraper: %s", nfoReaderScraper->Name().c_str());
      CLog::Log(LOGDEBUG,"-- nfo url: %s", scrUrl.m_url[0].m_url.c_str());
      scraper.SetScraperInfo(nfoReaderScraper);
      scraper.GetAlbums().clear();
      scraper.GetAlbums().push_back(albumNfo);
    }
    else
      CLog::Log(LOGERROR,"Unable to find an url in nfo file: %s", strNfo.c_str());
  }

  if (!scraper.CheckValidOrFallback(CSettings::Get().GetString("musiclibrary.albumsscraper")))
  { // the current scraper is invalid, as is the default - bail
    CLog::Log(LOGERROR, "%s - current and default scrapers are invalid.  Pick another one", __FUNCTION__);
    return INFO_ERROR;
  }

  if (!scraper.GetAlbumCount())
  {
    scraper.FindAlbumInfo(album.strAlbum, StringUtils::Join(album.artist, g_advancedSettings.m_musicItemSeparator));

    while (!scraper.Completed())
    {
      if (m_bStop)
      {
        scraper.Cancel();
        return INFO_CANCELLED;
      }
      Sleep(1);
    }
  }

  CGUIDialogSelect *pDlg = NULL;
  int iSelectedAlbum=0;
  if (result == CNfoFile::NO_NFO && !bMusicBrainz)
  {
    iSelectedAlbum = -1; // set negative so that we can detect a failure
    if (scraper.Succeeded() && scraper.GetAlbumCount() >= 1)
    {
      double bestRelevance = 0;
      double minRelevance = THRESHOLD;
      if (scraper.GetAlbumCount() > 1) // score the matches
      {
        //show dialog with all albums found
        if (pDialog)
        {
          pDlg = (CGUIDialogSelect*)g_windowManager.GetWindow(WINDOW_DIALOG_SELECT);
          pDlg->SetHeading(g_localizeStrings.Get(181).c_str());
          pDlg->Reset();
          pDlg->EnableButton(true, 413); // manual
        }

        for (int i = 0; i < scraper.GetAlbumCount(); ++i)
//.........这里部分代码省略.........