more AB sync

7 files changed, 245 insertions, 43 deletions

diff --git a/kabc/address.cpp b/kabc/address.cpp
index c820a6c..5ffe511 100644
--- a/kabc/address.cpp
+++ b/kabc/address.cpp
@@ -75,32 +75,45 @@ bool Address::operator!=( const Address &a ) const
 
 bool Address::isEmpty() const
 {
   if ( mPostOfficeBox.isEmpty() &&
        mExtended.isEmpty() &&
        mStreet.isEmpty() &&
        mLocality.isEmpty() &&
        mRegion.isEmpty() &&
        mPostalCode.isEmpty() &&
        mCountry.isEmpty() &&
        mLabel.isEmpty() ) {
     return true;
   }
   return false;
 }
 
+QStringList Address::asList()
+{
+    QStringList result;
+    if ( ! mPostOfficeBox.isEmpty() )result.append(mPostOfficeBox);
+    if ( ! mExtended.isEmpty())result.append(mExtended);
+    if ( ! mStreet.isEmpty())result.append(mStreet);
+    if ( ! mLocality.isEmpty() )result.append(mLocality);
+    if ( ! mRegion.isEmpty())result.append(mRegion);
+    if ( ! mPostalCode.isEmpty())result.append(mPostalCode);
+    if ( ! mCountry.isEmpty())result.append(mCountry);
+    if ( ! mLabel.isEmpty() )result.append(mLabel);
+    return result;
+}
 void Address::clear()
 {
   *this = Address();
 }
 
 void Address::setId( const QString &id )
 {
   mEmpty = false;
 
   mId = id;
 }
 
 QString Address::id() const
 {
   return mId;
 }
diff --git a/kabc/address.h b/kabc/address.h
index ad132a7..6b53c7e 100644
--- a/kabc/address.h
+++ b/kabc/address.h
@@ -94,32 +94,33 @@ class Address
       that you can specify the type.
     */
     Address( int );
 
     bool operator==( const Address & ) const;
     bool operator!=( const Address & ) const;
   
     /**
       Returns true, if the address is empty.
     */
     bool isEmpty() const;
 
     /**
       Clears all entries of the address.
     */
     void clear();
+    QStringList asList();
 
     /**
       Sets the unique id.
     */
     void setId( const QString & );
 
     /*
       Returns the unique id.
     */
     QString id() const;
 
     /**
       Sets the type of address. See enum for definiton of types. 
      
       @param type type, can be a bitwise or of multiple types.
     */
diff --git a/kabc/addressbook.cpp b/kabc/addressbook.cpp
index 16e1653..ec9f893 100644
--- a/kabc/addressbook.cpp
+++ b/kabc/addressbook.cpp
@@ -221,32 +221,33 @@ AddressBook::AddressBook()
 }
 
 AddressBook::AddressBook( const QString &config )
 {
   init(config, "contact");
 }
 
 AddressBook::AddressBook( const QString &config, const QString &family )
 {
   init(config, family);
 
 }
 
 // the default family is "contact"
 void AddressBook::init(const QString &config, const QString &family )
 {
+  blockLSEchange = false;
   d = new AddressBookData;
   QString fami = family;
   qDebug("new ab ");
   if (config != 0) {
       qDebug("config != 0 ");
       if ( family == "syncContact" ) {
           qDebug("creating sync config ");
           fami = "contact";
           KConfig* con = new KConfig( locateLocal("config", "syncContactrc") );
           con->setGroup( "General" );
           con->writeEntry( "ResourceKeys", QString("sync") );
           con->writeEntry( "Standard", QString("sync") );
           con->setGroup( "Resource_sync" );
           con->writeEntry( "FileFormat", QString("vcard") );
           con->writeEntry( "FileName", config );
           con->writeEntry( "ResourceIdentifier", QString("sync") );
@@ -332,32 +333,33 @@ bool AddressBook::load()
 
   clear();
 
   KRES::Manager<Resource>::ActiveIterator it;
   bool ok = true;
   for ( it = d->mManager->activeBegin(); it != d->mManager->activeEnd(); ++it )
     if ( !(*it)->load() ) {
       error( i18n("Unable to load resource '%1'").arg( (*it)->resourceName() ) );
       ok = false;
     }
 
   // mark all addressees as unchanged
   Addressee::List::Iterator addrIt;
   for ( addrIt = d->mAddressees.begin(); addrIt != d->mAddressees.end(); ++addrIt )
     (*addrIt).setChanged( false );
 
+  blockLSEchange = true;
   return ok;
 }
 
 bool AddressBook::save( Ticket *ticket )
 {
   kdDebug(5700) << "AddressBook::save()"<< endl;
 
   if ( ticket->resource() ) {
     deleteRemovedAddressees();
     return ticket->resource()->save( ticket );
   }
 
   return false;
 }
 bool AddressBook::saveAB()
 {
@@ -434,122 +436,181 @@ Ticket *AddressBook::requestSaveTicket( Resource *resource )
 
   KRES::Manager<Resource>::ActiveIterator it;
   for ( it = d->mManager->activeBegin(); it != d->mManager->activeEnd(); ++it ) {
     if ( (*it) == resource ) {
       if ( (*it)->readOnly() || !(*it)->isOpen() )
         return 0;
       else
         return (*it)->requestSaveTicket();
     }
   }
 
   return 0;
 }
 
 void AddressBook::insertAddressee( const Addressee &a, bool setRev )
 {
-  Addressee::List::Iterator it;
-  for ( it = d->mAddressees.begin(); it != d->mAddressees.end(); ++it ) {
-    if ( a.uid() == (*it).uid() ) {
-        if ( setRev && (*it).uid().left( 19 ) == QString("last-syncAddressee-") ) {
-            return;
-        }
-      bool changed = false;
-      Addressee addr = a;
-      if ( addr != (*it) )
-        changed = true;
-
-      (*it) = a;
-      if ( (*it).resource() == 0 )
-        (*it).setResource( standardResource() );
-
-      if ( changed ) {
-          if ( setRev ) {
+    if ( blockLSEchange && setRev && a.uid().left( 19 ) == QString("last-syncAddressee-") ) {
+        return;
+    }
+    bool found = false;
+    Addressee::List::Iterator it;
+    for ( it = d->mAddressees.begin(); it != d->mAddressees.end(); ++it ) {
+        if ( a.uid() == (*it).uid() ) {
+       
+            bool changed = false;
+            Addressee addr = a;
+            if ( addr != (*it) )
+                changed = true;
+
+            (*it) = a;
+            if ( (*it).resource() == 0 )
+                (*it).setResource( standardResource() );
+
+            if ( changed ) {
+                if ( setRev ) {
               
-              // get rid of micro seconds
-              QDateTime dt =  QDateTime::currentDateTime();
-              QTime t =  dt.time();
-              dt.setTime( QTime (t.hour (), t.minute (), t.second () )  );
-              (*it).setRevision( dt ); 
-          }
-        (*it).setChanged( true );
-      }
-
-      return;
+                    // get rid of micro seconds
+                    QDateTime dt =  QDateTime::currentDateTime();
+                    QTime t =  dt.time();
+                    dt.setTime( QTime (t.hour (), t.minute (), t.second () )  );
+                    (*it).setRevision( dt ); 
+                }
+                (*it).setChanged( true );
+            }
+
+            found = true;
+        } else {
+            if ( (*it).uid() == QString("last-syncAddressee-") ) {
+                QString name = (*it).uid().mid( 19 );
+                Addressee b = a;
+                QString id = b.getID( name );
+                if (  ! id.isEmpty() ) {
+                    QString des = (*it).note();
+                    int startN;
+                    if( (startN = des.find( id ) ) >= 0 ) {
+                        int endN = des.find( ",", startN+1 );
+                        des =  des.left( startN ) + des.mid( endN+1 );
+                        (*it).setNote( des );
+                    }
+                }
+            }
+        }
     }
-  }
-  d->mAddressees.append( a );
-  Addressee& addr = d->mAddressees.last();
-  if ( addr.resource() == 0 )
-    addr.setResource( standardResource() );
+    if ( found )
+        return;
+    d->mAddressees.append( a );
+    Addressee& addr = d->mAddressees.last();
+    if ( addr.resource() == 0 )
+        addr.setResource( standardResource() );
 
-  addr.setChanged( true );
+    addr.setChanged( true );
 }
 
 void AddressBook::removeAddressee( const Addressee &a )
 {
   Iterator it;
+  Iterator it2;
+  bool found = false;
   for ( it = begin(); it != end(); ++it ) {
     if ( a.uid() == (*it).uid() ) {
-      removeAddressee( it );
-      return;
+        found = true;
+        it2 = it;
+    } else {
+        if ( (*it).uid() == QString("last-syncAddressee-") ) {
+            QString name = (*it).uid().mid( 19 );
+            Addressee b = a;
+            QString id = b.getID( name );
+            if ( ! id.isEmpty() ) {
+                QString des = (*it).note();
+                if( des.find( id ) < 0 ) {
+                    des +=   id  + ",";
+                    (*it).setNote( des );
+                }
+            }
+        }
+        
     }
   }
+
+  if ( found )
+      removeAddressee( it2 );
+      
+}
+
+void AddressBook::removeDeletedAddressees()
+{
+    deleteRemovedAddressees();
+    Iterator it = begin();
+    Iterator it2 ;
+    QDateTime dt ( QDate( 2004,1,1) );
+    while ( it != end() ) {
+        (*it).setRevision( dt );
+        if ( (*it).tempSyncStat() == SYNC_TEMPSTATE_DELETE ) {
+            it2 = it;
+            ++it;
+            removeAddressee( it2 );
+        } else
+            ++it;
+    }
+    deleteRemovedAddressees();
 }
 
 void AddressBook::removeAddressee( const Iterator &it )
 {
   d->mRemovedAddressees.append( (*it) );
   d->mAddressees.remove( it.d->mIt );
 }
 
 AddressBook::Iterator AddressBook::find( const Addressee &a )
 {
   Iterator it;
   for ( it = begin(); it != end(); ++it ) {
     if ( a.uid() == (*it).uid() ) {
       return it;
     }
   }
   return end();
 }
 
 Addressee AddressBook::findByUid( const QString &uid )
 {
   Iterator it;
   for ( it = begin(); it != end(); ++it ) {
     if ( uid == (*it).uid() ) {
       return *it;
     }
   }
   return Addressee();
 }
+#if 0
 Addressee::List AddressBook::getExternLastSyncAddressees()
 {
     Addressee::List results;
 
   Iterator it;
   for ( it = begin(); it != end(); ++it ) {
     if ( (*it).uid().left( 19 ) == "last-syncAddressee-"  ) {
-        if ( (*it).familyName().left(3) == "E: " )
+        if ( (*it).familyName().left(4) == "!E: " )
             results.append( *it );
     }
   }
 
   return results;
 }
+#endif
 void AddressBook::resetTempSyncStat()
 {
     Iterator it;
   for ( it = begin(); it != end(); ++it ) {
       (*it).setTempSyncStat ( SYNC_TEMPSTATE_INITIAL );
   }
 
 }
  
 QStringList AddressBook:: uidList()
 {
     QStringList results;
     Iterator it;
     for ( it = begin(); it != end(); ++it ) {
         results.append( (*it).uid() );
     }
diff --git a/kabc/addressbook.h b/kabc/addressbook.h
index 253de68..2f2678b 100644
--- a/kabc/addressbook.h
+++ b/kabc/addressbook.h
@@ -276,59 +276,61 @@ class AddressBook : public QObject
       Set the @p ErrorHandler, that is used by @ref error() to
       provide gui-independend error messages.
     */
     void setErrorHandler( ErrorHandler * );
 
     /**
       Shows gui independend error messages.
     */
     void error( const QString& );
 
     /**
       Query all resources to clean up their lock files
      */
     void cleanUp();
 
     // sync stuff 
-    Addressee::List getExternLastSyncAddressees();
+    //Addressee::List getExternLastSyncAddressees();
     void resetTempSyncStat(); 
     QStringList uidList(); 
+    void removeDeletedAddressees();
 
 
   signals:
     /**
       Emitted, when the address book has changed on disk.
     */
     void addressBookChanged( AddressBook * );
 
     /**
       Emitted, when the address book has been locked for writing.
     */
     void addressBookLocked( AddressBook * );
 
     /**
       Emitted, when the address book has been unlocked.
     */
     void addressBookUnlocked( AddressBook * );
 
   protected:
     void deleteRemovedAddressees();
     void setStandardResource( Resource * );
     Resource *standardResource();
     KRES::Manager<Resource> *resourceManager();
 
     void init(const QString &config, const QString &family);
 
   private:
 //US    QPtrList<Resource> mDummy; // Remove in KDE 4
 
 
     struct AddressBookData;
     AddressBookData *d;
+    bool blockLSEchange;
 };
 
 QDataStream &operator<<( QDataStream &, const AddressBook & );
 QDataStream &operator>>( QDataStream &, AddressBook & );
 
 }
 
 #endif
diff --git a/kabc/addressee.cpp b/kabc/addressee.cpp
index 7f04d8f..0f5d605 100644
--- a/kabc/addressee.cpp
+++ b/kabc/addressee.cpp
@@ -161,32 +161,128 @@ bool Addressee::operator==( const Addressee &a ) const
   if ( mData->emails != a.mData->emails ) return false;
   if ( mData->categories != a.mData->categories ) return false;
   if ( mData->custom != a.mData->custom ) return false;
 
   return true;
 }
 
 bool Addressee::operator!=( const Addressee &a ) const
 {
   return !( a == *this );
 }
 
 bool Addressee::isEmpty() const
 {
   return mData->empty;
 }
+ulong  Addressee::getCsum4List( const QStringList &  attList)
+{
+    int max = attList.count();
+    ulong cSum = 0;
+    int j,k,i;
+    int add;
+    for ( i = 0; i < max ; ++i ) {
+        QString s = attList[i];
+        if ( ! s.isEmpty() ){
+            j = s.length();
+            for ( k = 0; k < j; ++k ) {
+                int mul = k +1;
+                add = s[k].unicode ();
+                if ( k < 16 )
+                    mul = mul * mul;
+                int ii = i+1;
+                add = add * mul *ii*ii*ii;
+                cSum += add;
+            }
+        }
+            
+    }
+    //QString dump = attList.join(",");
+    //qDebug("csum: %d %s", cSum,dump.latin1()); 
+    
+    return cSum;
+
+}
+void Addressee::computeCsum(const QString &dev)
+{
+    QStringList l;
+    if ( !mData->name.isEmpty() ) l.append(mData->name);
+    if ( !mData->formattedName.isEmpty() ) l.append(mData->formattedName  );
+    if ( !mData->familyName.isEmpty()  ) l.append( mData->familyName );
+    if ( !mData->givenName.isEmpty() ) l.append(mData->givenName  );
+    if ( !mData->additionalName  ) l.append( mData->additionalName );
+    if ( !mData->prefix.isEmpty()  ) l.append( mData->prefix );
+    if ( !mData->suffix.isEmpty()  ) l.append( mData->suffix );
+    if ( !mData->nickName.isEmpty()  ) l.append( mData->nickName );
+    if ( mData->birthday.isValid()  ) l.append( mData->birthday.toString() );
+    if ( !mData->mailer.isEmpty() ) l.append( mData->mailer );
+    if ( mData->timeZone.isValid() ) l.append( mData->timeZone.asString() );
+    if ( mData->geo.isValid() ) l.append( mData->geo.asString() );
+    if ( !mData->title .isEmpty() ) l.append( mData->title );
+    if ( !mData->role.isEmpty() ) l.append( mData->role );
+    if ( !mData->organization.isEmpty() ) l.append( mData->organization ); 
+    if ( !mData->note.isEmpty() ) l.append( mData->note ); 
+    if ( !mData->productId.isEmpty() ) l.append(mData->productId ); 
+    if ( !mData->sortString.isEmpty() ) l.append( mData->sortString ); 
+    if ( mData->secrecy.isValid() ) l.append( mData->secrecy.asString()); 
+    // if ( !mData->logo.isEmpty() ) l.append(  ); 
+    //if ( !mData->photo.isEmpty() ) l.append(  );
+    //if ( !mData->sound.isEmpty() ) l.append(  );
+    //if ( !mData->agent.isEmpty() ) l.append(  ); 
+    //if (  mData->url.isValid() ) l.append(  ); 
+#if 0
+    if ( !mData->phoneNumbers.isEmpty() ) l.append(  ); 
+    if ( !mData->addresses.isEmpty() ) l.append(  );
+    //if ( !mData->keys.isEmpty() ) l.append(  );
+    if ( !mData->emails.isEmpty() ) l.append(  ); 
+    if ( !mData->categories .isEmpty() ) l.append(  );
+    if ( !mData->custom.isEmpty() ) l.append(  );
+#endif
+    KABC::PhoneNumber::List phoneNumbers;
+    KABC::PhoneNumber::List::Iterator phoneIter;
+
+    QStringList t;
+    for ( phoneIter = mData->phoneNumbers.begin(); phoneIter != mData->phoneNumbers.end();
+          ++phoneIter )
+        t.append( ( *phoneIter ).number()+QString::number( ( *phoneIter ).type() ) );
+    t.sort();
+    uint iii;
+    for ( iii = 0; iii < t.count(); ++iii)
+        l.append( t[iii]  );
+    t = mData->emails;
+    t.sort();
+    for ( iii = 0; iii < t.count(); ++iii)
+        l.append( t[iii]  );
+    t = mData->categories;
+    t.sort();
+    for ( iii = 0; iii < t.count(); ++iii)
+        l.append( t[iii]  );
+    t = mData->custom;
+    t.sort();
+    for ( iii = 0; iii < t.count(); ++iii)
+        l.append( t[iii]  );
+    KABC::Address::List::Iterator addressIter;
+    for ( addressIter = mData->addresses.begin(); addressIter != mData->addresses.end();
+          ++addressIter ) {
+        t = (*addressIter).asList();
+        t.sort();
+        for ( iii = 0; iii < t.count(); ++iii)
+            l.append( t[iii]  );
+    }
+    setCsum( dev, QString::number (getCsum4List(l)) );
+}
 void Addressee::removeID(const QString &prof)
 {
     detach();
     mData->mExternalId = KIdManager::removeId ( mData->mExternalId, prof);
     
 }
 void Addressee::setID( const QString & prof , const QString & id )
 {
     detach();
     mData->mExternalId = KIdManager::setId ( mData->mExternalId, prof, id );
 }
 void Addressee::setTempSyncStat( int id )
 {
     mTempSyncStat = id;
 }
 int Addressee::tempSyncStat() const
@@ -1437,37 +1533,36 @@ QStringList Addressee::categories() const
   return mData->categories;
 }
 
 void Addressee::insertCustom( const QString &app, const QString &name,
                               const QString &value )
 {
   if ( value.isNull() || name.isEmpty() || app.isEmpty() ) return;
 
   detach();
   mData->empty = false;
 
   QString qualifiedName = app + "-" + name + ":";
 
   QStringList::Iterator it;
   for( it = mData->custom.begin(); it != mData->custom.end(); ++it ) {
     if ( (*it).startsWith( qualifiedName ) ) {
-      (*it) = qualifiedName + value;
+      (*it) = qualifiedName + value; 
       return;
     }
   }
-
   mData->custom.append( qualifiedName + value );
 }
 
 void Addressee::removeCustom( const QString &app, const QString &name)
 {
   detach();
 
   QString qualifiedName = app + "-" + name + ":";
 
   QStringList::Iterator it;
   for( it = mData->custom.begin(); it != mData->custom.end(); ++it ) {
     if ( (*it).startsWith( qualifiedName ) ) {
       mData->custom.remove( it );
       return;
     }
   }
diff --git a/kabc/addressee.h b/kabc/addressee.h
index f098371..0805458 100644
--- a/kabc/addressee.h
+++ b/kabc/addressee.h
@@ -93,32 +93,34 @@ class Addressee
 
     Addressee( const Addressee & );
     Addressee &operator=( const Addressee & );
 
     bool operator==( const Addressee & ) const;
     bool operator!=( const Addressee & ) const;
     // sync stuff
     void setTempSyncStat(int id);
     int tempSyncStat() const;
     void setIDStr( const QString & );
     QString IDStr() const;
     void setID( const QString &, const QString & );
     QString  getID( const QString & );
     void setCsum( const QString &, const QString & );
     QString getCsum( const QString & );
     void removeID(const QString &);
+    void computeCsum(const QString &dev);
+    ulong getCsum4List( const QStringList &  attList);
     /**
       Return, if the address book entry is empty.
      */
     bool isEmpty() const;
 
     /**
       Set unique identifier.
      */
     void setUid( const QString &uid );
     /**
       Return unique identifier.
      */
     QString uid() const;
     /**
       Return translated label for uid field.
      */
diff --git a/kaddressbook/kabcore.cpp b/kaddressbook/kabcore.cpp
index cc8eb52..8776b53 100644
--- a/kaddressbook/kabcore.cpp
+++ b/kaddressbook/kabcore.cpp
@@ -2656,34 +2656,34 @@ int  KABCore::takeAddressee( KABC::Addressee* local,  KABC::Addressee* remote, i
 bool KABCore::synchronizeAddressbooks( KABC::AddressBook* local, KABC::AddressBook* remote,int mode)
 {
     bool syncOK = true;
     int addedAddressee = 0;
     int addedAddresseeR = 0;
     int deletedAddresseeR = 0;
     int deletedAddresseeL = 0;
     int changedLocal = 0;
     int changedRemote = 0;
     //QPtrList<Addressee> el = local->rawAddressees(); 
     Addressee addresseeR;
     QString uid;
     int take;
     Addressee addresseeL;
     Addressee addresseeRSync;
     Addressee addresseeLSync;
-    KABC::Addressee::List  addresseeRSyncSharp = remote->getExternLastSyncAddressees();
-    KABC::Addressee::List  addresseeLSyncSharp = local->getExternLastSyncAddressees();
+    // KABC::Addressee::List  addresseeRSyncSharp = remote->getExternLastSyncAddressees();
+    //KABC::Addressee::List  addresseeLSyncSharp = local->getExternLastSyncAddressees();
     bool fullDateRange = false;
     local->resetTempSyncStat();
     mLastAddressbookSync = QDateTime::currentDateTime();
     QDateTime modifiedCalendar = mLastAddressbookSync;;
     addresseeLSync = getLastSyncAddressee();
     qDebug("Last Sync %s ", addresseeLSync.revision().toString().latin1());
     addresseeR = remote->findByUid("last-syncAddressee-"+mCurrentSyncName );
     if ( !addresseeR.isEmpty() ) {
         addresseeRSync = addresseeR;
         remote->removeAddressee(addresseeR );
 
     } else {
         if ( mGlobalSyncMode == SYNC_MODE_EXTERNAL ) {
             addresseeRSync = addresseeLSync         ;
         } else {
             qDebug("FULLDATE 1");
@@ -2696,33 +2696,33 @@ bool KABCore::synchronizeAddressbooks( KABC::AddressBook* local, KABC::AddressBo
             addresseeRSync.setCategories( i18n("SyncAddressee") );
         }
     }
     if ( addresseeLSync.revision() == mLastAddressbookSync ) {
             qDebug("FULLDATE 2");
         fullDateRange = true;
     }
     if ( ! fullDateRange  ) {
         if ( addresseeLSync.revision() != addresseeRSync.revision() ) {
             
             // qDebug("set fulldate to true %s %s" ,addresseeLSync->dtStart().toString().latin1(), addresseeRSync->dtStart().toString().latin1() ); 
             //qDebug("%d %d %d %d ", addresseeLSync->dtStart().time().second(), addresseeLSync->dtStart().time().msec() , addresseeRSync->dtStart().time().second(), addresseeRSync->dtStart().time().msec());
             fullDateRange = true;
             qDebug("FULLDATE 3 %s %s", addresseeLSync.revision().toString().latin1() , addresseeRSync.revision().toString().latin1() );
         } 
     }
-    fullDateRange = true; // debug only!
+    // fullDateRange = true; // debug only!
     if ( fullDateRange )
         mLastAddressbookSync = QDateTime::currentDateTime().addDays( -100*365);
     else
         mLastAddressbookSync = addresseeLSync.revision();
     // for resyncing if own file has changed
     // PENDING fixme later when implemented
 #if 0
     if ( mCurrentSyncDevice == "deleteaftersync" ) {
         mLastAddressbookSync = loadedFileVersion;
         qDebug("setting mLastAddressbookSync ");
     }
 #endif
 
     //qDebug("*************************** ");
     qDebug("mLastAddressbookSync %s ",mLastAddressbookSync.toString().latin1() );
     QStringList er = remote->uidList(); 
@@ -2905,41 +2905,69 @@ bool KABCore::synchronizeAddressbooks( KABC::AddressBook* local, KABC::AddressBo
         KMessageBox::information(this, mes, i18n("KA/Pi Synchronization") );
     }
     qDebug( mes );
     return syncOK;
 }
 
 bool KABCore::syncAB(QString filename, int mode)
 {
 
     //pending prepare addresseeview for output
     //pending detect, if remote file has REV field. if not switch to external sync
     mGlobalSyncMode = SYNC_MODE_NORMAL;
     AddressBook abLocal(filename,"syncContact");
     bool syncOK = false;
     if ( abLocal.load() ) {
         qDebug("AB loaded %s mode %d",filename.latin1(), mode );
-        AddressBook::Iterator it;
+        bool external = false;
+        Addressee lse =   mAddressBook->findByUid( "last-syncAddressee-"+mCurrentSyncDevice );
+        if ( ! lse.isEmpty() ) {
+            if ( lse.familyName().left(4) == "!E: " )
+                external = true;
+        } else {
+            bool found = false;
+            QDateTime dt( QDate( 2004,1,1));
+            AddressBook::Iterator it;
+            for ( it = abLocal.begin(); it != abLocal.end(); ++it ) {
+                if ( (*it).revision() != dt ) {
+                    found = true;
+                    break;
+                }
+            }
+            external = ! found;
+        }
+
+        if ( external ) {
+            mGlobalSyncMode = SYNC_MODE_EXTERNAL;
+            AddressBook::Iterator it;  
+            for ( it = abLocal.begin(); it != abLocal.end(); ++it ) {
+                (*it).setID( mCurrentSyncDevice, (*it).uid() );
+                (*it).computeCsum( mCurrentSyncDevice );
+            }
+        }
+        //AddressBook::Iterator it;
         //QStringList vcards;
         //for ( it = abLocal.begin(); it != abLocal.end(); ++it ) {
         //  qDebug("Name %s ", (*it).familyName().latin1());
         //}
         syncOK = synchronizeAddressbooks( mAddressBook, &abLocal, mode );
         if (  syncOK ) {
             if ( KABPrefs::instance()->mWriteBackFile )
                 {
+                    if ( external )
+                        abLocal.removeDeletedAddressees();
                     qDebug("saving remote AB ");
                     abLocal.saveAB();
                 }
         }
         setModified();
         
     }
     if ( syncOK )
         mViewManager->refreshView();
     return syncOK;
 #if 0
 
     if ( storage->load(KOPrefs::instance()->mUseQuicksave) ) {
         getEventViewerDialog()->setSyncMode( true );
         syncOK = synchronizeCalendar( mCalendar, calendar, mode );
         getEventViewerDialog()->setSyncMode( false );