repodownloaderwf.h

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#ifndef ZYPP_NG_REPODOWNLOADER_WORKFLOW_INCLUDED
#define ZYPP_NG_REPODOWNLOADER_WORKFLOW_INCLUDED
 
 
#include <zypp/RepoInfo.h>
#include <zypp/ng/repo/Downloader>
#include <zypp-core/zyppng/ui/ProgressObserver>
#include <zypp-core/zyppng/pipelines/AsyncResult>
#include <zypp-core/zyppng/pipelines/Expected>
#include <zypp-media/MediaException>
#include <zypp-media/ng/ProvideSpec>
#include <zypp-media/ng/LazyMediaHandle>
 
#include <zypp/ManagedFile.h>
 
 
namespace zyppng {
 
  class Provide;
  class MediaSyncFacade;
 
  class ProvideMediaHandle;
  class SyncMediaHandle;
 
  using AsyncLazyMediaHandle = LazyMediaHandle<Provide>;
  using SyncLazyMediaHandle  = LazyMediaHandle<MediaSyncFacade>;
 
  namespace RepoDownloaderWorkflow {
    AsyncOpRef<expected<repo::AsyncDownloadContextRef>> downloadMasterIndex ( repo::AsyncDownloadContextRef dl, ProvideMediaHandle mediaHandle, zypp::filesystem::Pathname masterIndex_r );
    AsyncOpRef<expected<repo::AsyncDownloadContextRef>> downloadMasterIndex ( repo::AsyncDownloadContextRef dl, AsyncLazyMediaHandle mediaHandle, zypp::filesystem::Pathname masterIndex_r );
    expected<repo::SyncDownloadContextRef> downloadMasterIndex ( repo::SyncDownloadContextRef dl, SyncMediaHandle mediaHandle, zypp::filesystem::Pathname masterIndex_r );
    expected<repo::SyncDownloadContextRef> downloadMasterIndex ( repo::SyncDownloadContextRef dl, SyncLazyMediaHandle mediaHandle, zypp::filesystem::Pathname masterIndex_r );
 
    AsyncOpRef<expected<zypp::RepoStatus>>  repoStatus( repo::AsyncDownloadContextRef dl, ProvideMediaHandle mediaHandle );
    AsyncOpRef<expected<zypp::RepoStatus> > repoStatus( repo::AsyncDownloadContextRef dl, AsyncLazyMediaHandle mediaHandle );
    expected<zypp::RepoStatus> repoStatus( repo::SyncDownloadContextRef dl, SyncMediaHandle mediaHandle );
    expected<zypp::RepoStatus> repoStatus( repo::SyncDownloadContextRef dl, SyncLazyMediaHandle mediaHandle );
 
    AsyncOpRef<expected<repo::AsyncDownloadContextRef>> download ( repo::AsyncDownloadContextRef dl, ProvideMediaHandle mediaHandle, ProgressObserverRef progressObserver = nullptr );
    AsyncOpRef<expected<repo::AsyncDownloadContextRef> > download(repo::AsyncDownloadContextRef dl, AsyncLazyMediaHandle mediaHandle, ProgressObserverRef progressObserver);
    expected<repo::SyncDownloadContextRef> download ( repo::SyncDownloadContextRef dl, SyncMediaHandle mediaHandle, ProgressObserverRef progressObserver = nullptr );
    expected<repo::SyncDownloadContextRef> download(repo::SyncDownloadContextRef dl, SyncLazyMediaHandle mediaHandle, ProgressObserverRef progressObserver);
 
    template <typename MediaHandle>
    auto downloadMediaInfo ( MediaHandle &&mediaHandle, const zypp::filesystem::Pathname &destdir ) {
      using namespace zyppng::operators;
      using ProvideType = typename std::decay_t<MediaHandle>::ParentType;
 
      // check if we have a async media handle
      constexpr bool isAsync = std::is_same_v<ProvideType, Provide>;
      auto provider = mediaHandle.parent();
      if ( !provider )
        return makeReadyResult<expected<zypp::ManagedFile>, isAsync>( expected<zypp::ManagedFile>::error(ZYPP_EXCPT_PTR(zypp::media::MediaException("Invalid handle"))) );
 
      return provider->provide( std::forward<MediaHandle>(mediaHandle), "/media.1/media", ProvideFileSpec().setOptional(true).setDownloadSize( zypp::ByteCount(20, zypp::ByteCount::MB ) ).setMirrorsAllowed(false) )
             | and_then( ProvideType::copyResultToDest( provider, destdir / "/media.1/media" ) );
 
    }
  }
}
 
 
#endif