asynchttplookup.cpp

/*
    SPDX-FileCopyrightText: 2002 Rik Hemsley (rikkus) <rik@kde.org>
    SPDX-FileCopyrightText: 2002 Benjamin Meyer <ben-devel@meyerhome.net>
 
    SPDX-License-Identifier: LGPL-2.0-or-later
*/
 
#include "asynchttplookup.h"
#include "logging.h"
 
#include <KIO/TransferJob>
 
namespace KCDDB
{
  AsyncHTTPLookup::AsyncHTTPLookup()
    : HTTPLookup()
  {
    block_ = false;
  }
 
  AsyncHTTPLookup::~AsyncHTTPLookup()
  {
    // Empty.
  }
 
    Result
  AsyncHTTPLookup::lookup
  (
    const QString         & hostName,
    uint                    port,
    const TrackOffsetList & trackOffsetList
  )
  {
    trackOffsetList_ = trackOffsetList;
 
    connect( this, &HTTPLookup::queryReady, this, &AsyncHTTPLookup::slotQueryReady );
    connect( this, &HTTPLookup::readReady, this, &AsyncHTTPLookup::requestCDInfoForMatch );
 
    initURL( hostName, port );
 
    // Run a query.
    result_ = runQuery();
 
    return result_;
  }
 
    Result
  AsyncHTTPLookup::runQuery()
  {
    data_ = QByteArray();
    state_ = WaitingForQueryResponse;
 
    result_ = sendQuery();
 
    return result_;
  }
 
    void
  AsyncHTTPLookup::slotQueryReady()
  {
    qCDebug(LIBKCDDB) << "Matches Found: " <<  matchList_.count();
 
    if ( Success != result_ )
    {
      Q_EMIT finished( result_ );
      return;
    }
 
    requestCDInfoForMatch();
  }
 
    void
  AsyncHTTPLookup::requestCDInfoForMatch()
  {
    if ( matchList_.isEmpty() )
    {
      result_ = cdInfoList_.isEmpty()? NoRecordFound : Success;
      Q_EMIT finished( result_ );
      return;
    }
 
    CDDBMatch match = matchList_.takeFirst();
 
    data_ = QByteArray();
    state_ = WaitingForReadResponse;
 
    result_ = sendRead( match );
 
    if ( Success != result_ )
      Q_EMIT finished( result_ );
  }
 
    void
  AsyncHTTPLookup::slotData( KIO::Job *, const QByteArray &data )
  {
    if (data.size() > 0)
      data_.append(data);
  }
 
    void
  AsyncHTTPLookup::slotResult( KJob *job )
  {
    if ( 0 != job->error() )
    {
      result_ = ServerError;
      if ( !block_ )
        Q_EMIT queryReady();
      return;
    }
 
    jobFinished();
  }
 
    Result
  AsyncHTTPLookup::fetchURL()
  {
    qCDebug(LIBKCDDB) << "About to fetch: " << cgiURL_.url();
 
    KIO::TransferJob* job = KIO::get( cgiURL_, KIO::NoReload, KIO::HideProgressInfo );
 
    if ( nullptr == job )
      return ServerError;
 
    connect( job, &KIO::TransferJob::data,
          this, &AsyncHTTPLookup::slotData );
    connect( job, &KJob::result,
          this, &AsyncHTTPLookup::slotResult );
 
    return Success;
  }
 
}
 
#include "moc_asynchttplookup.cpp"
 
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