Patch.cc

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#include <iostream>

#include "zypp/base/LogTools.h"
#include "zypp/Patch.h"
#include "zypp/sat/WhatProvides.h"

using std::endl;

namespace zypp
{ 

  IMPL_PTR_TYPE( Patch );

  //
  //    METHOD NAME : Patch::Patch
  //    METHOD TYPE : Ctor
  //
  Patch::Patch( const sat::Solvable & solvable_r )
  : ResObject( solvable_r )
  {}

  //
  //    METHOD NAME : Patch::~Patch
  //    METHOD TYPE : Dtor
  //
  Patch::~Patch()
  {}

  //
  //    Patch interface forwarded to implementation
  //

  Patch::Category Patch::categoryEnum() const
  {
    static const IdString cat_yast              ( "yast" );
    static const IdString cat_security          ( "security" );
    static const IdString cat_recommended       ( "recommended" );
    static const IdString cat_bugfix            ( "bugfix" );           // rhn
    static const IdString cat_optional          ( "optional" );
    static const IdString cat_feature           ( "feature" );
    static const IdString cat_enhancement       ( "enhancement" );      // rnh
    static const IdString cat_document          ( "document" );

    // patch category is not poolized in the solv file (i.e. an IdString) ;(
    IdString cat( sat::LookupAttr( sat::SolvAttr::patchcategory, satSolvable() ).begin().c_str() );

    if ( cat == cat_yast )
      return CAT_YAST;
    if ( cat == cat_security )
      return CAT_SECURITY;
    if ( cat == cat_recommended || cat == cat_bugfix )
      return CAT_RECOMMENDED;
    if ( cat == cat_optional || cat == cat_enhancement || cat == cat_feature )
      return CAT_OPTIONAL;
    if ( cat == cat_document )
      return CAT_DOCUMENT;

    return CAT_OTHER;
  }

  std::string Patch::message( const Locale & lang_r ) const
  { return lookupStrAttribute( sat::SolvAttr::message, lang_r ); }

  std::string Patch::category() const
  { return lookupStrAttribute( sat::SolvAttr::patchcategory ); }

  bool Patch::rebootSuggested() const
  { return lookupBoolAttribute( sat::SolvAttr::rebootSuggested ); }

  bool Patch::restartSuggested() const
  { return lookupBoolAttribute( sat::SolvAttr::restartSuggested ); }

  bool Patch::reloginSuggested() const
  { return lookupBoolAttribute( sat::SolvAttr::reloginSuggested ); }


  bool Patch::interactive() const
  {
    if ( rebootSuggested()
         || ! message().empty()
         || ! licenseToConfirm().empty() )
    {
      return true;
    }

    Patch::Contents c( contents() );
    for_( it, c.begin(), c.end() )
    {
      if ( ! makeResObject(*it)->licenseToConfirm().empty() )
      {
        return true;
      }
    }

    return false;
  }

  Patch::Contents Patch::contents() const
  {
    Contents result;
    // DBG << *this << endl;
    sat::LookupAttr updateCollection( sat::SolvAttr::updateCollection, satSolvable() );
    for_( entry, updateCollection.begin(), updateCollection.end() )
    {
      IdString name    ( entry.subFind( sat::SolvAttr::updateCollectionName ).idStr() );
      Edition  edition ( entry.subFind( sat::SolvAttr::updateCollectionEvr ).idStr() );
      Arch     arch    ( entry.subFind( sat::SolvAttr::updateCollectionArch ).idStr() );
      if ( name.empty() )
      {
        WAR << "Ignore malformed updateCollection entry: " << name << "-" << edition << "." << arch << endl;
        continue;
      }

      // The entry is relevant if there is an installed
      // package with the same name and arch.
      bool relevant = false;
      sat::WhatProvides providers( (Capability( name.id() )) );
      for_( it, providers.begin(), providers.end() )
      {
        if ( it->isSystem() && it->ident() == name && it->arch() == arch )
        {
          relevant = true;
          break;
        }
      }
      if ( ! relevant )
      {
        // DBG << "Not relevant: " << name << "-" << edition << "." << arch << endl;
        continue;
      }

#warning definition of patch contents is poor - needs review
      /* find exact providers first (this matches the _real_ 'collection content' of the patch */
      providers = sat::WhatProvides( Capability( arch, name.c_str(), Rel::EQ, edition, ResKind::package ) );
      if ( providers.empty() )
      {
        /* no exact providers: find 'best' providers: those with a larger evr */
        providers = sat::WhatProvides( Capability( arch, name.c_str(), Rel::GT, edition, ResKind::package ) );
        if ( providers.empty() )
        {
          // Hmm, this patch is not installable, no one is providing the package in the collection
          // FIXME: raise execption ? fake a solvable ?
          WAR << "Missing provider: " << name << "-" << edition << "." << arch << endl;
          continue;
        }
      }

      // FIXME ?! loop over providers and try to find installed ones ?
      // DBG << "Found " << name << "-" << edition << "." << arch << ": " << *(providers.begin()) << endl;
      result.get().insert( *(providers.begin()) );
    }

    return result;
  }

  //
  //    CLASS NAME : Patch::ReferenceIterator
  //

  Patch::ReferenceIterator::ReferenceIterator( const sat::Solvable & val_r )
  { base_reference() = sat::LookupAttr( sat::SolvAttr::updateReference, val_r ).begin(); }

  std::string Patch::ReferenceIterator::id() const
  { return base_reference().subFind( sat::SolvAttr::updateReferenceId ).asString(); }
  std::string Patch::ReferenceIterator::href() const
  { return base_reference().subFind( sat::SolvAttr::updateReferenceHref ).asString(); }
  std::string Patch::ReferenceIterator::title() const
  { return base_reference().subFind( sat::SolvAttr::updateReferenceTitle ).asString(); }
  std::string Patch::ReferenceIterator::type() const
  { return base_reference().subFind( sat::SolvAttr::updateReferenceType ).asString(); }

} // namespace zypp