Fixing really stupid caching bug.. Thanks to zecke who found it..

Removed cachefind in backend which isn't needed anymore and not a goot idea...

1 files changed, 13 insertions, 7 deletions

diff --git a/libopie2/opiepim/backend/otodoaccesssql.cpp b/libopie2/opiepim/backend/otodoaccesssql.cpp
index 12a8bea..4e3e47b 100644
--- a/libopie2/opiepim/backend/otodoaccesssql.cpp
+++ b/libopie2/opiepim/backend/otodoaccesssql.cpp
@@ -329,512 +329,518 @@ namespace {
             return single();
         else
             return multi();
     }
     QString FindQuery::single()const{
         QString qu = "select * from todolist where uid = " + QString::number(m_uid);
         return qu;
     }
     QString FindQuery::multi()const {
         QString qu = "select * from todolist where ";
         for (uint i = 0; i < m_uids.count(); i++ ) {
             qu += " UID = " + QString::number( m_uids[i] ) + " OR";
         }
         qu.remove( qu.length()-2, 2 );
         return qu;
     }
 
     OverDueQuery::OverDueQuery(): OSQLQuery() {}
     OverDueQuery::~OverDueQuery() {}
     QString OverDueQuery::query()const {
         QDate date = QDate::currentDate();
         QString str;
         str = QString("select uid from todolist where DueDate ='%1-%2-%3'")
         .arg( QString::number( date.year() ).rightJustify( 4, '0' ) )
         .arg( QString::number( date.month() ).rightJustify( 2, '0' ) )
         .arg( QString::number( date.day() ) .rightJustify( 2, '0' ) );
 
         return str;
     }
 
 
     EffQuery::EffQuery( const QDate& start, const QDate& end, bool inc )
         : OSQLQuery(), m_start( start ), m_end( end ),m_inc(inc) {}
     EffQuery::~EffQuery() {}
     QString EffQuery::query()const {
         return m_inc ? with() : out();
     }
     QString EffQuery::with()const {
         QString str;
         str = QString("select uid from todolist where ( DueDate >= '%1-%2-%3' AND DueDate <= '%4-%5-%6' ) OR DueDate = '0-0-0' ")
         .arg( QString::number( m_start.year() ).rightJustify( 4, '0' ) )
         .arg( QString::number( m_start.month() ).rightJustify( 2, '0' ) )
         .arg( QString::number( m_start.day() ).rightJustify( 2, '0' ) )
         .arg( QString::number( m_end.year() ).rightJustify( 4, '0' ) )
         .arg( QString::number( m_end.month() ).rightJustify( 2, '0' ) )
         .arg( QString::number( m_end.day() ).rightJustify( 2, '0' ) );
         return str;
     }
     QString EffQuery::out()const {
         QString str;
         str = QString("select uid from todolist where DueDate >= '%1-%2-%3' AND  DueDate <= '%4-%5-%6'")
         .arg( QString::number( m_start.year() ).rightJustify( 4, '0' ) )
         .arg( QString::number( m_start.month() ).rightJustify( 2, '0' ) )
         .arg( QString::number( m_start.day() ).rightJustify( 2, '0' ) )
         .arg( QString::number( m_end.year() ).rightJustify( 4, '0' ) )
         .arg( QString::number( m_end.month() ).rightJustify( 2, '0' ) )
         .arg( QString::number( m_end.day() ).rightJustify( 2, '0' ) );
 
         return str;
     }
 
     FindCustomQuery::FindCustomQuery(int uid)
         : OSQLQuery(), m_uid( uid ) {
     }
     FindCustomQuery::FindCustomQuery(const QArray<int>& ints)
         : OSQLQuery(), m_uids( ints ){
     }
     FindCustomQuery::~FindCustomQuery() {
     }
     QString FindCustomQuery::query()const{
         return single(); // Multiple requests not supported !
     }
     QString FindCustomQuery::single()const{
         QString qu = "select uid, type, value from custom_data where uid = ";
         qu += QString::number(m_uid);
         return qu;
     }
 
 };
 
 
 namespace Opie {
 OPimTodoAccessBackendSQL::OPimTodoAccessBackendSQL( const QString& file )
     : OPimTodoAccessBackend(),/* m_dict(15),*/ m_driver(NULL), m_dirty(true)
 {
     QString fi = file;
     if ( fi.isEmpty() )
         fi = Global::applicationFileName( "todolist", "todolist.db" );
     OSQLManager man;
     m_driver = man.standard();
     m_driver->setUrl(fi);
     // fillDict();
 }
 
 OPimTodoAccessBackendSQL::~OPimTodoAccessBackendSQL(){
     if( m_driver )
         delete m_driver;
 }
 
 bool OPimTodoAccessBackendSQL::load(){
     if (!m_driver->open() )
         return false;
 
     CreateQuery creat;
     OSQLResult res = m_driver->query(&creat );
 
     m_dirty = true;
     return true;
 }
 bool OPimTodoAccessBackendSQL::reload(){
     return load();
 }
 
 bool OPimTodoAccessBackendSQL::save(){
     return m_driver->close();  // Shouldn't m_driver->sync be better than close ? (eilers)
 }
 QArray<int> OPimTodoAccessBackendSQL::allRecords()const {
     if (m_dirty )
         update();
 
     return m_uids;
 }
 QArray<int> OPimTodoAccessBackendSQL::queryByExample( const OPimTodo& , int, const QDateTime& ){
     QArray<int> ints(0);
     return ints;
 }
 OPimTodo OPimTodoAccessBackendSQL::find(int uid ) const{
     FindQuery query( uid );
-    return todo( m_driver->query(&query) );
+    return parseResultAndCache( uid, m_driver->query(&query) );
 
 }
 
 // Remember: uid is already in the list of uids, called ints !
 OPimTodo OPimTodoAccessBackendSQL::find( int uid, const QArray<int>& ints,
                                    uint cur, Frontend::CacheDirection dir ) const{
     uint CACHE = readAhead();
     odebug << "searching for " << uid << "" << oendl;
     QArray<int> search( CACHE );
     uint size =0;
     OPimTodo to;
 
     // we try to cache CACHE items
     switch( dir ) {
         /* forward */
     case Frontend::Forward:
         for (uint i = cur; i < ints.count() && size < CACHE; i++ ) {
             odebug << "size " << size << " " << ints[i] << "" << oendl;
             search[size] = ints[i];
             size++;
         }
         break;
         /* reverse */
     case Frontend::Reverse: 
         for (uint i = cur; i != 0 && size <  CACHE; i-- ) {
             search[size] = ints[i];
             size++;
         }
         break;
     }
 
     search.resize( size );
     FindQuery query( search );
     OSQLResult res = m_driver->query( &query  );
     if ( res.state() != OSQLResult::Success )
         return to;
 
-    todo( res );  //FIXME: Don't like polymorphism here. It makes the code hard to read here..(eilers)
-    return cacheFind( uid );
+    return parseResultAndCache( uid, res );
 }
 
 void OPimTodoAccessBackendSQL::clear() {
     ClearQuery cle;
     OSQLResult res = m_driver->query( &cle );
     CreateQuery qu;
     res = m_driver->query(&qu);
 }
 bool OPimTodoAccessBackendSQL::add( const OPimTodo& t) {
     InsertQuery ins( t );
     OSQLResult res = m_driver->query( &ins );
 
     if ( res.state() == OSQLResult::Failure )
         return false;
     int c = m_uids.count();
     m_uids.resize( c+1 );
     m_uids[c] = t.uid();
 
     return true;
 }
 bool OPimTodoAccessBackendSQL::remove( int uid ) {
     RemoveQuery rem( uid );
     OSQLResult res = m_driver->query(&rem );
 
     if ( res.state() == OSQLResult::Failure )
         return false;
 
     m_dirty = true;
     return true;
 }
 /*
  * FIXME better set query
  * but we need the cache for that
  * now we remove
  */
 bool OPimTodoAccessBackendSQL::replace( const OPimTodo& t) {
     remove( t.uid() );
     bool b= add(t);
     m_dirty = false; // we changed some stuff but the UID stayed the same
     return b;
 }
 QArray<int> OPimTodoAccessBackendSQL::overDue() {
     OverDueQuery qu;
     return uids( m_driver->query(&qu ) );
 }
 QArray<int> OPimTodoAccessBackendSQL::effectiveToDos( const QDate& s,
                                                    const QDate& t,
                                                    bool u) {
     EffQuery ef(s, t, u );
     return uids (m_driver->query(&ef) );
 }
 /*
  *
  */
 QArray<int> OPimTodoAccessBackendSQL::sorted( bool asc, int sortOrder,
                                            int sortFilter, int cat ) {
     odebug << "sorted " << asc << ", " << sortOrder << "" << oendl;
     QString query;
     query = "select uid from todolist WHERE ";
 
     /*
      * Sort Filter stuff
      * not that straight forward
      * FIXME: Replace magic numbers
      *
      */
     /* Category */
     if ( sortFilter & 1 ) {
         QString str;
         if (cat != 0 ) str = QString::number( cat );
         query += " categories like '%" +str+"%' AND";
     }
     /* Show only overdue */
     if ( sortFilter & 2 ) {
         QDate date = QDate::currentDate();
         QString due;
         QString base;
         base = QString("DueDate <= '%1-%2-%3' AND completed = 0")
         .arg( QString::number( date.year() ).rightJustify( 4, '0' ) )
         .arg( QString::number( date.month() ).rightJustify( 2, '0' ) )
         .arg( QString::number( date.day() ).rightJustify( 2, '0' ) );
         query += " " + base + " AND";
     }
     /* not show completed */
     if ( sortFilter & 4 ) {
         query += " completed = 0 AND";
     }else{
        query += " ( completed = 1 OR  completed = 0) AND";
     }
     /* strip the end */
     query = query.remove( query.length()-3, 3 );
 
 
     /*
      * sort order stuff
      * quite straight forward
      */
     query += "ORDER BY ";
     switch( sortOrder ) {
         /* completed */
     case 0:
         query += "completed";
         break;
     case 1:
         query += "priority";
         break;
     case 2:
         query += "summary";
         break;
     case 3:
         query += "DueDate";
         break;
     }
 
     if ( !asc ) {
         odebug << "not ascending!" << oendl;
         query += " DESC";
     }
 
     odebug << query << oendl;
     OSQLRawQuery raw(query );
     return uids( m_driver->query(&raw) );
 }
 bool OPimTodoAccessBackendSQL::date( QDate& da, const QString& str ) const{
     if ( str == "0-0-0" )
         return false;
     else{
         int day, year, month;
         QStringList list = QStringList::split("-", str );
         year = list[0].toInt();
         month = list[1].toInt();
         day = list[2].toInt();
         da.setYMD( year, month, day );
         return true;
     }
 }
-OPimTodo OPimTodoAccessBackendSQL::todo( const OSQLResult& res ) const{
+OPimTodo OPimTodoAccessBackendSQL::parseResultAndCache( int uid, const OSQLResult& res ) const{
     if ( res.state() == OSQLResult::Failure ) {
         OPimTodo to;
         return to;
     }
 
+    OPimTodo retTodo;
+
     OSQLResultItem::ValueList list = res.results();
     OSQLResultItem::ValueList::Iterator it = list.begin();
     odebug << "todo1" << oendl;
     OPimTodo to = todo( (*it) );
     cache( to );
     ++it;
 
     for ( ; it != list.end(); ++it ) {
         odebug << "caching" << oendl;
-        cache( todo( (*it) ) );
+	OPimTodo newTodo = todo( (*it) );
+        cache( newTodo );
+	if ( newTodo.uid() == uid )
+		retTodo = newTodo;
     }
-    return to;
+    return retTodo;
 }
 OPimTodo OPimTodoAccessBackendSQL::todo( OSQLResultItem& item )const {
     odebug << "todo(ResultItem)" << oendl;
 
     // Request information from addressbook table and create the OPimTodo-object.
 
     bool hasDueDate = false; QDate dueDate = QDate::currentDate();
     hasDueDate = date( dueDate, item.data("DueDate") );
     QStringList cats = QStringList::split(";", item.data("categories") );
 
     odebug << "Item is completed: " << item.data("completed").toInt() << "" << oendl;
 
     OPimTodo to( (bool)item.data("completed").toInt(), item.data("priority").toInt(),
               cats, item.data("summary"), item.data("description"),
               item.data("progress").toUShort(), hasDueDate, dueDate,
               item.data("uid").toInt() );
 
     bool isOk;
     int prioInt = QString( item.data("priority") ).toInt( &isOk );
     if ( isOk )
         to.setPriority( prioInt );
 
     bool hasStartDate = false; QDate startDate = QDate::currentDate();
     hasStartDate = date( startDate, item.data("startdate") );
     bool hasCompletedDate = false; QDate completedDate = QDate::currentDate();
     hasCompletedDate = date( completedDate, item.data("completeddate") );
 
     if ( hasStartDate )
         to.setStartDate( startDate );
     if ( hasCompletedDate )
         to.setCompletedDate( completedDate );
 
     OPimNotifyManager& manager = to.notifiers();
     manager.alarmsFromString( item.data("alarms") );
     manager.remindersFromString( item.data("reminders") );
 
     OPimState pimState;
     pimState.setState( QString( item.data("state") ).toInt() );
     to.setState( pimState );
 
     QMap<int, QString> recMap;
     recMap.insert( OPimRecurrence::RType      , item.data("RType") );
     recMap.insert( OPimRecurrence::RWeekdays  , item.data("RWeekdays") );
     recMap.insert( OPimRecurrence::RPosition  , item.data("RPosition") );
     recMap.insert( OPimRecurrence::RFreq      , item.data("RFreq") );
     recMap.insert( OPimRecurrence::RHasEndDate, item.data("RHasEndDate") );
     recMap.insert( OPimRecurrence::EndDate    , item.data("EndDate") );
     recMap.insert( OPimRecurrence::Created    , item.data("Created") );
     recMap.insert( OPimRecurrence::Exceptions , item.data("Exceptions") );
 
     OPimRecurrence recur;
     recur.fromMap( recMap );
     to.setRecurrence( recur );
 
     // Finally load the custom-entries for this UID and put it into the created object
     to.setExtraMap( requestCustom( to.uid() ) );
 
     return to;
 }
+
+// FIXME: Where is the difference to "find" ? (eilers)
 OPimTodo OPimTodoAccessBackendSQL::todo( int uid )const {
     FindQuery find( uid );
-    return todo( m_driver->query(&find) );
+    return parseResultAndCache( uid, m_driver->query(&find) );
 }
 /*
  * update the dict
  */
 void OPimTodoAccessBackendSQL::fillDict() {
 
 #if 0
     /* initialize dict */
     /*
      * UPDATE dict if you change anything!!!
      * FIXME: Isn't this dict obsolete ? (eilers)
      */
     m_dict.setAutoDelete( TRUE );
     m_dict.insert("Categories" ,     new int(OPimTodo::Category)         );
     m_dict.insert("Uid" ,            new int(OPimTodo::Uid)              );
     m_dict.insert("HasDate" ,        new int(OPimTodo::HasDate)          );
     m_dict.insert("Completed" ,      new int(OPimTodo::Completed)        );
     m_dict.insert("Description" ,    new int(OPimTodo::Description)      );
     m_dict.insert("Summary" ,        new int(OPimTodo::Summary)          );
     m_dict.insert("Priority" ,       new int(OPimTodo::Priority)         );
     m_dict.insert("DateDay" ,        new int(OPimTodo::DateDay)          );
     m_dict.insert("DateMonth" ,      new int(OPimTodo::DateMonth)        );
     m_dict.insert("DateYear" ,       new int(OPimTodo::DateYear)         );
     m_dict.insert("Progress" ,       new int(OPimTodo::Progress)         );
     m_dict.insert("Completed",       new int(OPimTodo::Completed)        ); // Why twice ? (eilers)
     m_dict.insert("CrossReference",  new int(OPimTodo::CrossReference)   );
 //    m_dict.insert("HasAlarmDateTime",new int(OPimTodo::HasAlarmDateTime) ); // old stuff (eilers)
 //    m_dict.insert("AlarmDateTime",   new int(OPimTodo::AlarmDateTime)    ); // old stuff (eilers)
 
 #endif
 }
 /*
  * need to be const so let's fool the
  * compiler :(
  */
 void OPimTodoAccessBackendSQL::update()const {
     ((OPimTodoAccessBackendSQL*)this)->m_dirty = false;
     LoadQuery lo;
     OSQLResult res = m_driver->query(&lo);
     if ( res.state() != OSQLResult::Success )
         return;
 
     ((OPimTodoAccessBackendSQL*)this)->m_uids = uids( res );
 }
 QArray<int> OPimTodoAccessBackendSQL::uids( const OSQLResult& res) const{
 
     OSQLResultItem::ValueList list = res.results();
     OSQLResultItem::ValueList::Iterator it;
     QArray<int> ints(list.count() );
     odebug << " count = " << list.count() << "" << oendl;
 
     int i = 0;
     for (it = list.begin(); it != list.end(); ++it ) {
         ints[i] =  (*it).data("uid").toInt();
         i++;
     }
     return ints;
 }
 
 QArray<int> OPimTodoAccessBackendSQL::matchRegexp(  const QRegExp &r ) const
 {
 
 #if 0
     QArray<int> empty;
     return empty;
 
 #else
     QString qu = "SELECT uid FROM todolist WHERE (";
 
     // Do it make sense to search other fields, too ?
     qu += " rlike(\""+ r.pattern() + "\",\"description\") OR";
     qu += " rlike(\""+ r.pattern() + "\",\"summary\")";
 
     qu += ")";
 
     odebug << "query: " << qu << "" << oendl;
 
     OSQLRawQuery raw( qu );
     OSQLResult res = m_driver->query( &raw );
 
     return uids( res );
 
 
 #endif
 
 }
 QBitArray OPimTodoAccessBackendSQL::supports()const {
 
     return sup();
 }
 
 QBitArray OPimTodoAccessBackendSQL::sup() const{
 
     QBitArray ar( OPimTodo::CompletedDate + 1 );
     ar.fill( true );
     ar[OPimTodo::CrossReference] = false;
     ar[OPimTodo::State ] = false;
     ar[OPimTodo::Reminders] = false;
     ar[OPimTodo::Notifiers] = false;
     ar[OPimTodo::Maintainer] = false;
 
     return ar;
 }
 
 void OPimTodoAccessBackendSQL::removeAllCompleted(){
     // First we need the uids from all entries which are
     // completed. Then, we just have to remove them...
 
     QString qu = "SELECT uid FROM todolist WHERE completed = 1";
 
     OSQLRawQuery raw( qu );
     OSQLResult res = m_driver->query( &raw );
 
     QArray<int> completed_uids = uids( res );
 
     odebug << "Number of completed: " << completed_uids.size() << "" << oendl;
 
     if ( completed_uids.size() == 0 )
         return;
 
     qu = "DELETE FROM todolist WHERE (";
     QString query;
 
     for ( int i = 0; i < completed_uids.size(); i++ ){
         if ( !query.isEmpty() )
             query += " OR ";
         query += QString( "uid = %1" ).arg( completed_uids[i] );
     }