Fixing bug #1501 and preparing for implementation of generic QueryByExample and

sorted for datebook and todo..

13 files changed, 134 insertions, 42 deletions

diff --git a/libopie2/opiepim/ChangeLog b/libopie2/opiepim/ChangeLog
index 564e92a..2007744 100644
--- a/libopie2/opiepim/ChangeLog
+++ b/libopie2/opiepim/ChangeLog
@@ -1,7 +1,9 @@
 2004-12-28  Stefan Eilers <stefan@eilers-online.net>
         * Make improved query by example accessable via frontend
-        * Some API improvement
+        * Some API documentation improvement
+        * Cleanup of backend api..
+        * Fixing bug #1501
 2004-11-23  Stefan Eilers <stefan@eilers-online.net>
         * Implement fast and full featured version of sorted() for addressbook
         * Implement generic queryByExample for all Addressboook backends. It allows incremental search.
         * Update of API Documentation
diff --git a/libopie2/opiepim/backend/ocontactaccessbackend.h b/libopie2/opiepim/backend/ocontactaccessbackend.h
index ee6dbc2..27d70ab 100644
--- a/libopie2/opiepim/backend/ocontactaccessbackend.h
+++ b/libopie2/opiepim/backend/ocontactaccessbackend.h
@@ -79,15 +79,15 @@ class OPimContactAccessBackend: public OPimAccessBackend<OPimContact> {
      *  Return all possible settings.
      *  @return All settings provided by the current backend
      * (i.e.: query_WildCards & query_IgnoreCase)
      */
-    virtual const uint querySettings() const;
+    const uint querySettings() const;
 
     /**
      * Check whether settings are correct.
      * @return <i>true</i> if the given settings are correct and possible.
      */
-    virtual bool hasQuerySettings (uint querySettings) const;
+    bool hasQuerySettings (uint querySettings) const;
 
     /** 
      * Advanced search mechanism. 
      */
diff --git a/libopie2/opiepim/backend/ocontactaccessbackend_sql.cpp b/libopie2/opiepim/backend/ocontactaccessbackend_sql.cpp
index 9375f43..2368865 100644
--- a/libopie2/opiepim/backend/ocontactaccessbackend_sql.cpp
+++ b/libopie2/opiepim/backend/ocontactaccessbackend_sql.cpp
@@ -278,9 +278,11 @@ namespace {
 
 
     RemoveQuery::RemoveQuery(int uid )
         : OSQLQuery(), m_uid( uid ) {}
+
     RemoveQuery::~RemoveQuery() {}
+
     QString RemoveQuery::query()const {
         QString qu = "DELETE from addressbook where uid = "
             + QString::number(m_uid) + ";";
         qu += "DELETE from custom_data where uid = "
@@ -288,10 +290,8 @@ namespace {
         return qu;
     }
 
 
-
-
     FindQuery::FindQuery(int uid)
         : OSQLQuery(), m_uid( uid ) {
     }
     FindQuery::FindQuery(const UIDArray& ints)
@@ -299,14 +299,16 @@ namespace {
     }
     FindQuery::~FindQuery() {
     }
     QString FindQuery::query()const{
-            if ( m_uids.count() == 0 )
-                    return single();
-            else
-                    return multi();
+           if ( m_uids.count() == 0 )
+                   return single();
+           else
+                   return multi();
     }
 
+
+
     QString FindQuery::multi()const {
             QString qu = "select * from addressbook where";
             for (uint i = 0; i < m_uids.count(); i++ ) {
                     qu += " uid = " + QString::number( m_uids[i] ) + " OR";
@@ -527,12 +529,25 @@ OPimContact OPimContactAccessBackend_SQL::find( int uid, const UIDArray& queryUi
     return retContact;
 }
 
 
-UIDArray OPimContactAccessBackend_SQL::queryByExample ( const OPimContact &query, int settings, 
+UIDArray OPimContactAccessBackend_SQL::queryByExample ( const UIDArray& uidlist, const OPimContact &query, int settings, 
                                                            const QDateTime& qd ) const
 {
     QString qu = "SELECT uid FROM addressbook WHERE";
+
+    // Just add uid's selection if we really try to search in a subset of all uids! Otherwise this would
+    // just take time and memory!
+    if ( uidlist.count() != m_uids.count() ) {
+            qu += " (";
+
+            for ( uint i = 0; i < uidlist.count(); i++ ) {
+                    qu += " uid = " + QString::number( uidlist[i] ) + " OR";
+            }
+            qu.remove( qu.length()-2, 2 ); // Hmmmm..
+            qu += " ) AND ";
+    }
+
     QString searchQuery ="";
 
     QDate startDate;
 
diff --git a/libopie2/opiepim/backend/ocontactaccessbackend_sql.h b/libopie2/opiepim/backend/ocontactaccessbackend_sql.h
index 299c175..1cf1185 100644
--- a/libopie2/opiepim/backend/ocontactaccessbackend_sql.h
+++ b/libopie2/opiepim/backend/ocontactaccessbackend_sql.h
@@ -74,9 +74,9 @@ class OPimContactAccessBackend_SQL : public OPimContactAccessBackend {
 
         OPimContact find( int uid ) const;
         OPimContact find( int uid, const UIDArray& items, uint cur, Frontend::CacheDirection ) const; 
 
-        UIDArray queryByExample ( const OPimContact &query, int settings, 
+        UIDArray queryByExample ( const UIDArray& uidlist, const OPimContact &query, int settings, 
                                      const QDateTime& d ) const;
 
         UIDArray matchRegexp(  const QRegExp &r ) const;
 
diff --git a/libopie2/opiepim/backend/odatebookaccessbackend.cpp b/libopie2/opiepim/backend/odatebookaccessbackend.cpp
index 73c7059..e44912a 100644
--- a/libopie2/opiepim/backend/odatebookaccessbackend.cpp
+++ b/libopie2/opiepim/backend/odatebookaccessbackend.cpp
@@ -99,32 +99,49 @@ OPimBackendOccurrence::List ODateBookAccessBackend::occurrences( const QDate& fr
     repeat( tmpList, directRawRepeats(),from,to );
 
     return tmpList;
 }
-OPimBackendOccurrence::List ODateBookAccessBackend::occurrences( const QDateTime& dt )const {
+
+OPimBackendOccurrence::List ODateBookAccessBackend::occurrences( const QDateTime& dt )const 
+{
     OPimBackendOccurrence::List day = occurrences( dt.date(), dt.date() );
 
     return filterOccurrences( day, dt );
 }
 
 OPimBackendOccurrence::List ODateBookAccessBackend::effectiveNonRepeatingEvents( const QDate& from,
-                                                                                 const QDate& to )const {
+                                                                                 const QDate& to )const 
+{
     OPimBackendOccurrence::List tmpList;
     OPimEvent::ValueList list = directNonRepeats();
 
     events( tmpList, list, from, to );
 
     return tmpList;
 }
 
-OPimBackendOccurrence::List ODateBookAccessBackend::effectiveNonRepeatingEvents( const QDateTime& dt )const {
+OPimBackendOccurrence::List ODateBookAccessBackend::effectiveNonRepeatingEvents( const QDateTime& dt )const 
+{
     OPimBackendOccurrence::List day = effectiveNonRepeatingEvents( dt.date(), dt.date() );
     return filterOccurrences( day,dt );
 }
 
+const uint ODateBookAccessBackend::querySettings() const
+{
+        return 0;
+}
+
+bool ODateBookAccessBackend::hasQuerySettings (uint querySettings) const
+{
+        return false;
+}
+
+
 
-UIDArray ODateBookAccessBackend::queryByExample( const OPimEvent&, int settings,
-                                                 const QDateTime& d )const {
+UIDArray ODateBookAccessBackend::queryByExample( const UIDArray& uidlist, const OPimEvent&, int settings,
+                                                 const QDateTime& d )const 
+{
+        qDebug( "Accessing ODateBookAccessBackend::queryByExample() which is not implemented!" );
     return UIDArray();
 }
 
 UIDArray ODateBookAccessBackend::sorted( const UIDArray&, bool asc, int, int, const QArray<int>& )const {
diff --git a/libopie2/opiepim/backend/odatebookaccessbackend.h b/libopie2/opiepim/backend/odatebookaccessbackend.h
index 8927ca1..91f63aa 100644
--- a/libopie2/opiepim/backend/odatebookaccessbackend.h
+++ b/libopie2/opiepim/backend/odatebookaccessbackend.h
@@ -93,9 +93,22 @@ public:
      * for queryByExample, sorted
      * and occurrences
      */
 //@{
-    UIDArray queryByExample( const OPimEvent&, int settings, const QDateTime& d = QDateTime() )const;
+    /**
+     *  Return all possible settings.
+     *  @return All settings provided by the current backend
+     * (i.e.: query_WildCards & query_IgnoreCase)
+     */
+    const uint querySettings() const;
+
+    /**
+     * Check whether settings are correct.
+     * @return <i>true</i> if the given settings are correct and possible.
+     */
+    bool hasQuerySettings (uint querySettings) const;
+
+    UIDArray queryByExample( const UIDArray& uidlist, const OPimEvent&, int settings, const QDateTime& d = QDateTime() )const;
     UIDArray sorted( const UIDArray&, bool asc, int, int, const QArray<int>& )const;
     OPimBackendOccurrence::List occurrences( const QDate&, const QDate& end )const;
     OPimBackendOccurrence::List occurrences( const QDateTime& )const;
 //@}
diff --git a/libopie2/opiepim/backend/opimaccessbackend.h b/libopie2/opiepim/backend/opimaccessbackend.h
index 7321758..6666fd6 100644
--- a/libopie2/opiepim/backend/opimaccessbackend.h
+++ b/libopie2/opiepim/backend/opimaccessbackend.h
@@ -74,24 +74,24 @@ public:
      *  @return All settings provided by the current backend
      *  (i.e.: query_WildCards & query_IgnoreCase)
      *  See implementation in the specific backends for contacts, todo and dates.
      */
-    virtual const uint querySettings() const { return 0; } /* FIXME: Make Abstrakt !! = 0; */ 
+    virtual const uint querySettings() const = 0;
 
     /**
      * Check whether settings are correct for queryByExample()
      * See implementation in the specific backends for OPimContactAccess, OPimTodoAccess and ODateBookAccess.
      * @return <i>true</i> if the given settings are correct and possible.
      */
-    virtual bool hasQuerySettings (uint querySettings) const { return false; } /* FIXME: Make Abstrakt !! = 0; */
+    virtual bool hasQuerySettings (uint querySettings) const = 0;
     //@}
 
 
     //@{
     virtual UIDArray allRecords()const = 0;
     virtual UIDArray matchRegexp(const QRegExp &r) const;
     virtual UIDArray queryByExample( const UIDArray&, const T& t, 
-                                     int settings, const QDateTime& d = QDateTime() )const  { return UIDArray(); } /* FIXME: Make Abstrakt !! = 0; */
+                                     int settings, const QDateTime& d = QDateTime() )const = 0;
     virtual UIDArray queryByExample( const T& t, int settings, const QDateTime& d = QDateTime() )const;
     virtual UIDArray queryByExample( const OPimRecord* rec, int settings, const QDateTime& d = QDateTime() )const;
     virtual UIDArray sorted( const UIDArray&, bool asc, int sortOrder, int sortFilter,  const QArray<int>& cats )const = 0;
     virtual UIDArray sorted( bool asc, int sortOrder, int sortFilter, const QArray<int>& cats )const;
diff --git a/libopie2/opiepim/backend/otodoaccessbackend.cpp b/libopie2/opiepim/backend/otodoaccessbackend.cpp
index 5f86be9..f979976 100644
--- a/libopie2/opiepim/backend/otodoaccessbackend.cpp
+++ b/libopie2/opiepim/backend/otodoaccessbackend.cpp
@@ -41,11 +41,37 @@ OPimTodoAccessBackend::OPimTodoAccessBackend()
 OPimTodoAccessBackend::~OPimTodoAccessBackend() {
 
 }
 
-UIDArray OPimTodoAccessBackend::queryByExample( const OPimTodo&, int settings,
-                                                 const QDateTime& d)const {
-    return UIDArray();
+const uint OPimTodoAccessBackend::querySettings() const
+{
+        return 0;
+}
+
+bool OPimTodoAccessBackend::hasQuerySettings (uint querySettings) const
+{
+        return false;
+}
+
+
+UIDArray OPimTodoAccessBackend::queryByExample( const UIDArray& uidlist, const OPimTodo& query, int settings,
+                                                 const QDateTime& endperiod )const 
+{
+        qDebug( "Accessing OPimTodoAccessBackend::queryByExample() which is not implemented!" );
+        return UIDArray();
+    
+//     odebug << "Using Unaccelerated OPimContactAccessBackend implementation of queryByExample!" << oendl;
+
+//     UIDArray m_currentQuery( uid_array.count() );
+//     uint arraycounter = 0;
+
+//     for( uint it = 0; it < uid_array.count(); ++it ){
+        //     /* Search all fields and compare them with query object. Store them into list
+        //      * if all fields matches.
+        //      */
+//     }
+
+
 }
 
 UIDArray OPimTodoAccessBackend::sorted( const UIDArray& events, bool asc,
                                         int sortOrder, int sortFilter,
diff --git a/libopie2/opiepim/backend/otodoaccessbackend.h b/libopie2/opiepim/backend/otodoaccessbackend.h
index 66297bb..870ee57 100644
--- a/libopie2/opiepim/backend/otodoaccessbackend.h
+++ b/libopie2/opiepim/backend/otodoaccessbackend.h
@@ -50,9 +50,22 @@ public:
      * for queryByExample, matchRegexp, sorted
      * and occurrences
      */
     //@{
-    UIDArray queryByExample( const OPimTodo&, int settings, const QDateTime& d = QDateTime() )const;
+    /**
+     *  Return all possible settings.
+     *  @return All settings provided by the current backend
+     * (i.e.: query_WildCards & query_IgnoreCase)
+     */
+    const uint querySettings() const;
+
+    /**
+     * Check whether settings are correct.
+     * @return <i>true</i> if the given settings are correct and possible.
+     */
+    bool hasQuerySettings (uint querySettings) const;
+
+    UIDArray queryByExample( const UIDArray& uidlist, const OPimTodo& query, int settings, const QDateTime& endperiod = QDateTime() )const;
     UIDArray sorted( const UIDArray&, bool asc, int, int, const QArray<int>& )const;
     OPimBackendOccurrence::List occurrences( const QDate&, const QDate& )const;
     //@}
 
diff --git a/libopie2/opiepim/backend/otodoaccesssql.cpp b/libopie2/opiepim/backend/otodoaccesssql.cpp
index 2bcab29..70e40e4 100644
--- a/libopie2/opiepim/backend/otodoaccesssql.cpp
+++ b/libopie2/opiepim/backend/otodoaccesssql.cpp
@@ -300,31 +300,41 @@ namespace {
     }
 
     RemoveQuery::RemoveQuery(int uid )
         : OSQLQuery(), m_uid( uid ) {}
+
     RemoveQuery::~RemoveQuery() {}
+
     QString RemoveQuery::query()const {
         QString qu = "DELETE FROM todolist WHERE uid = " + QString::number(m_uid) + " ;";
-    qu += "DELETE FROM custom_data WHERE uid = " + QString::number(m_uid);
+        qu += "DELETE FROM custom_data WHERE uid = " + QString::number(m_uid);
         return qu;
     }
 
 
     ClearQuery::ClearQuery()
         : OSQLQuery() {}
     ClearQuery::~ClearQuery() {}
-    QString ClearQuery::query()const {
-        QString qu = "drop table todolist";
-        return qu;
+    QString ClearQuery::query()const 
+    {
+            QString qu = "drop table todolist";
+            return qu;
     }
+
     FindQuery::FindQuery(int uid)
-        : OSQLQuery(), m_uid(uid ) {
+        : OSQLQuery(), m_uid(uid ) 
+    {
     }
+    
     FindQuery::FindQuery(const QArray<int>& ints)
-        : OSQLQuery(), m_uids(ints){
+            : OSQLQuery(), m_uids(ints)
+    {
     }
-    FindQuery::~FindQuery() {
+
+    FindQuery::~FindQuery() 
+    {
     }
+
     QString FindQuery::query()const{
         if (m_uids.count() == 0 )
             return single();
         else
@@ -447,12 +457,12 @@ QArray<int> OPimTodoAccessBackendSQL::allRecords()const {
         update();
 
     return m_uids;
 }
-QArray<int> OPimTodoAccessBackendSQL::queryByExample( const OPimTodo& , int, const QDateTime& ){
-    QArray<int> ints(0);
-    return ints;
-}
+// QArray<int> OPimTodoAccessBackendSQL::queryByExample( const UIDArray& uidlist, const OPimTodo& , int, const QDateTime& ){
+//     QArray<int> ints(0);
+//     return ints;
+// }
 OPimTodo OPimTodoAccessBackendSQL::find(int uid ) const{
     FindQuery query( uid );
     return parseResultAndCache( uid, m_driver->query(&query) );
 }
@@ -618,9 +628,9 @@ QArray<int> OPimTodoAccessBackendSQL::sorted( bool asc, int sortOrder,
 #endif
 
 
 bool OPimTodoAccessBackendSQL::date( QDate& da, const QString& str ) const{
-    if ( str == "0-0-0" )
+    if ( str == "0000-00-00" )
         return false;
     else{
         int day, year, month;
         QStringList list = QStringList::split("-", str );
diff --git a/libopie2/opiepim/backend/otodoaccesssql.h b/libopie2/opiepim/backend/otodoaccesssql.h
index 0ba8f3a..ac3476a 100644
--- a/libopie2/opiepim/backend/otodoaccesssql.h
+++ b/libopie2/opiepim/backend/otodoaccesssql.h
@@ -52,9 +52,9 @@ public:
     bool reload();
     bool save();
     QArray<UID> allRecords()const;
 
-    QArray<UID> queryByExample( const OPimTodo& t, int settings, const QDateTime& d = QDateTime() );
+/*     QArray<UID> queryByExample( const UIDArray& uidlist, const OPimTodo& t, int settings, const QDateTime& d = QDateTime() ); */
     OPimTodo find(UID uid)const;
     OPimTodo find(UID uid, const QArray<int>&, uint cur, Frontend::CacheDirection )const;
     void clear();
     bool add( const OPimTodo& t );
diff --git a/libopie2/opiepim/backend/otodoaccessxml.cpp b/libopie2/opiepim/backend/otodoaccessxml.cpp
index 273f91a..ab50604 100644
--- a/libopie2/opiepim/backend/otodoaccessxml.cpp
+++ b/libopie2/opiepim/backend/otodoaccessxml.cpp
@@ -325,12 +325,9 @@ QArray<int> OPimTodoAccessXML::allRecords()const {
 
 
     return ids;
 }
-QArray<int> OPimTodoAccessXML::queryByExample( const OPimTodo&, int, const QDateTime& ) {
-    QArray<int> ids(0);
-    return ids;
-}
+
 OPimTodo OPimTodoAccessXML::find( int uid )const {
     OPimTodo todo;
     todo.setUid( 0 ); // isEmpty()
     QMap<int, OPimTodo>::ConstIterator it = m_events.find( uid );
diff --git a/libopie2/opiepim/backend/otodoaccessxml.h b/libopie2/opiepim/backend/otodoaccessxml.h
index 134a21a..8a71bb7 100644
--- a/libopie2/opiepim/backend/otodoaccessxml.h
+++ b/libopie2/opiepim/backend/otodoaccessxml.h
@@ -51,9 +51,8 @@ public:
     bool save();
 
     QArray<int> allRecords()const;
     QArray<int> matchRegexp(const QRegExp &r) const;
-    QArray<int> queryByExample( const OPimTodo&, int querysettings, const QDateTime& d = QDateTime() );
     OPimTodo find( int uid )const;
     void clear();
     bool add( const OPimTodo& );
     bool remove( int uid );