Diffstat (limited to 'libopie/pim/odatebookaccessbackend_sql.cpp') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | libopie/pim/odatebookaccessbackend_sql.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/libopie/pim/odatebookaccessbackend_sql.cpp b/libopie/pim/odatebookaccessbackend_sql.cpp index e893b38..756f405 100644 --- a/libopie/pim/odatebookaccessbackend_sql.cpp +++ b/libopie/pim/odatebookaccessbackend_sql.cpp @@ -1,356 +1,367 @@ /* * SQL Backend for the OPIE-Calender Database. * * Copyright (c) 2003 by Stefan Eilers (Eilers.Stefan@epost.de) * * ===================================================================== * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * ===================================================================== * ===================================================================== * Version: $Id$ * ===================================================================== * History: * $Log$ + * Revision 1.3 2003/12/22 11:41:39 eilers + * Fixing stupid bug, found by sourcode review.. + * * Revision 1.2 2003/12/22 10:19:26 eilers * Finishing implementation of sql-backend for datebook. But I have to * port the PIM datebook application to use it, before I could debug the * whole stuff. * Thus, PIM-Database backend is finished, but highly experimental. And some * parts are still generic. For instance, the "queryByExample()" methods are * not (or not fully) implemented. Todo: custom-entries not stored. * The big show stopper: matchRegExp() (needed by OpieSearch) needs regular * expression search in the database, which is not supported by sqlite ! * Therefore we need either an extended sqlite or a workaround which would * be very slow and memory consuming.. * * Revision 1.1 2003/12/08 15:18:12 eilers * Committing unfinished sql implementation before merging to libopie2 starts.. * * */ #include <stdio.h> #include <stdlib.h> #include <qarray.h> #include <qstringlist.h> #include <qpe/global.h> #include <opie2/osqldriver.h> #include <opie2/osqlmanager.h> #include <opie2/osqlquery.h> #include "orecur.h" #include "odatebookaccessbackend_sql.h" ODateBookAccessBackend_SQL::ODateBookAccessBackend_SQL( const QString& , const QString& fileName ) : ODateBookAccessBackend(), m_driver( NULL ) { m_fileName = fileName.isEmpty() ? Global::applicationFileName( "datebook", "datebook.db" ) : fileName; // Get the standart sql-driver from the OSQLManager.. OSQLManager man; m_driver = man.standard(); m_driver->setUrl( m_fileName ); initFields(); load(); } ODateBookAccessBackend_SQL::~ODateBookAccessBackend_SQL() { if( m_driver ) delete m_driver; } void ODateBookAccessBackend_SQL::initFields() { // This map contains the translation of the fieldtype id's to // the names of the table columns m_fieldMap.insert( OEvent::FUid, "uid" ); m_fieldMap.insert( OEvent::FCategories, "Categories" ); m_fieldMap.insert( OEvent::FDescription, "Description" ); m_fieldMap.insert( OEvent::FLocation, "Location" ); m_fieldMap.insert( OEvent::FType, "Type" ); m_fieldMap.insert( OEvent::FAlarm, "Alarm" ); m_fieldMap.insert( OEvent::FSound, "Sound" ); m_fieldMap.insert( OEvent::FRType, "RType" ); m_fieldMap.insert( OEvent::FRWeekdays, "RWeekdays" ); m_fieldMap.insert( OEvent::FRPosition, "RPosition" ); m_fieldMap.insert( OEvent::FRFreq, "RFreq" ); m_fieldMap.insert( OEvent::FRHasEndDate, "RHasEndDate" ); m_fieldMap.insert( OEvent::FREndDate, "REndDate" ); m_fieldMap.insert( OEvent::FRCreated, "RCreated" ); m_fieldMap.insert( OEvent::FRExceptions, "RExceptions" ); m_fieldMap.insert( OEvent::FStart, "Start" ); m_fieldMap.insert( OEvent::FEnd, "End" ); m_fieldMap.insert( OEvent::FNote, "Note" ); m_fieldMap.insert( OEvent::FTimeZone, "TimeZone" ); m_fieldMap.insert( OEvent::FRecParent, "RecParent" ); m_fieldMap.insert( OEvent::FRecChildren, "Recchildren" ); // Create a map that maps the column name to the id QMapConstIterator<int, QString> it; for ( it = ++m_fieldMap.begin(); it != m_fieldMap.end(); ++it ){ m_reverseFieldMap.insert( it.data(), it.key() ); } } bool ODateBookAccessBackend_SQL::load() { if (!m_driver->open() ) return false; // Don't expect that the database exists. // It is save here to create the table, even if it // do exist. ( Is that correct for all databases ?? ) QString qu = "create table datebook( uid INTEGER PRIMARY KEY "; QMap<int, QString>::Iterator it; for ( it = ++m_fieldMap.begin(); it != m_fieldMap.end(); ++it ){ qu += QString( ",%1 VARCHAR(10)" ).arg( it.data() ); } qu += " );"; qu += "create table custom_data( uid INTEGER, id INTEGER, type VARCHAR, priority INTEGER, value VARCHAR, PRIMARY KEY /* identifier */ (uid, id) );"; qWarning( "command: %s", qu.latin1() ); OSQLRawQuery raw( qu ); OSQLResult res = m_driver->query( &raw ); if ( res.state() != OSQLResult::Success ) return false; update(); return true; } void ODateBookAccessBackend_SQL::update() { QString qu = "select uid from datebook"; OSQLRawQuery raw( qu ); OSQLResult res = m_driver->query( &raw ); if ( res.state() != OSQLResult::Success ){ // m_uids.clear(); return; } m_uids = extractUids( res ); } bool ODateBookAccessBackend_SQL::reload() { return load(); } bool ODateBookAccessBackend_SQL::save() { return m_driver->close(); // Shouldn't m_driver->sync be better than close ? (eilers) } QArray<int> ODateBookAccessBackend_SQL::allRecords()const { return m_uids; } QArray<int> ODateBookAccessBackend_SQL::queryByExample(const OEvent&, int, const QDateTime& ) { return QArray<int>(); } void ODateBookAccessBackend_SQL::clear() { QString qu = "drop table datebook;"; qu += "drop table custom_data;"; OSQLRawQuery raw( qu ); OSQLResult res = m_driver->query( &raw ); reload(); } OEvent ODateBookAccessBackend_SQL::find( int uid ) const{ QString qu = "select *"; qu += "from datebook where uid = " + QString::number(uid); OSQLRawQuery raw( qu ); OSQLResult res = m_driver->query( &raw ); OSQLResultItem resItem = res.first(); // Create Map for date event and insert UID QMap<int,QString> dateEventMap; dateEventMap.insert( OEvent::FUid, QString::number( uid ) ); // Now insert the data out of the columns into the map. QMapConstIterator<int, QString> it; for ( it = ++m_fieldMap.begin(); it != m_fieldMap.end(); ++it ){ dateEventMap.insert( m_reverseFieldMap[*it], resItem.data( *it ) ); } // Last step: Put map into date event and return it OEvent retDate( dateEventMap ); return retDate; } +// FIXME: Speed up update of uid's.. bool ODateBookAccessBackend_SQL::add( const OEvent& ev ) { QMap<int,QString> eventMap = ev.toMap(); QString qu = "insert into datebook VALUES( " + QString::number( ev.uid() ); QMap<int, QString>::Iterator it; for ( it = ++m_fieldMap.begin(); it != m_fieldMap.end(); ++it ){ if ( !eventMap[it.key()].isEmpty() ) qu += QString( ",\"%1\"" ).arg( eventMap[it.key()] ); else qu += QString( ",\"\"" ); } qu += " );"; // Add custom entries int id = 0; QMap<QString, QString> customMap = ev.toExtraMap(); for( QMap<QString, QString>::Iterator it = customMap.begin(); it != customMap.end(); ++it ){ qu += "insert into custom_data VALUES(" + QString::number( ev.uid() ) + "," + QString::number( id++ ) + ",'" + it.key() //.latin1() + "'," + "0" // Priority for future enhancements + ",'" + it.data() //.latin1() + "');"; } qWarning("add %s", qu.latin1() ); OSQLRawQuery raw( qu ); OSQLResult res = m_driver->query( &raw ); if ( res.state() != OSQLResult::Success ){ return false; } + + // Update list of uid's + update(); return true; } +// FIXME: Speed up update of uid's.. bool ODateBookAccessBackend_SQL::remove( int uid ) { QString qu = "DELETE from datebook where uid = " + QString::number( uid ) + ";"; qu += "DELETE from custom_data where uid = " + QString::number( uid ) + ";"; OSQLRawQuery raw( qu ); OSQLResult res = m_driver->query( &raw ); if ( res.state() != OSQLResult::Success ){ return false; } + // Update list of uid's + update(); + return true; } bool ODateBookAccessBackend_SQL::replace( const OEvent& ev ) { remove( ev.uid() ); return add( ev ); } QArray<int> ODateBookAccessBackend_SQL::rawEvents()const { return allRecords(); } QArray<int> ODateBookAccessBackend_SQL::rawRepeats()const { QString qu = "select uid from datebook where RType!=\"\" AND RType!=\"NoRepeat\""; OSQLRawQuery raw( qu ); OSQLResult res = m_driver->query( &raw ); if ( res.state() != OSQLResult::Success ){ QArray<int> nix; return nix; } return extractUids( res ); } QArray<int> ODateBookAccessBackend_SQL::nonRepeats()const { QString qu = "select uid from datebook where RType=\"\" or RType=\"NoRepeat\""; OSQLRawQuery raw( qu ); OSQLResult res = m_driver->query( &raw ); if ( res.state() != OSQLResult::Success ){ QArray<int> nix; return nix; } return extractUids( res ); } OEvent::ValueList ODateBookAccessBackend_SQL::directNonRepeats() { QArray<int> nonRepUids = nonRepeats(); OEvent::ValueList list; for (uint i = 0; i < nonRepUids.count(); ++i ){ list.append( find( nonRepUids[i] ) ); } return list; } OEvent::ValueList ODateBookAccessBackend_SQL::directRawRepeats() { QArray<int> rawRepUids = rawRepeats(); OEvent::ValueList list; for (uint i = 0; i < rawRepUids.count(); ++i ){ list.append( find( rawRepUids[i] ) ); } return list; } QArray<int> ODateBookAccessBackend_SQL::matchRegexp( const QRegExp &r ) const { QArray<int> null; return null; } /* ===== Private Functions ========================================== */ QArray<int> ODateBookAccessBackend_SQL::extractUids( OSQLResult& res ) const { qWarning("extractUids"); QTime t; t.start(); OSQLResultItem::ValueList list = res.results(); OSQLResultItem::ValueList::Iterator it; QArray<int> ints(list.count() ); qWarning(" count = %d", list.count() ); int i = 0; for (it = list.begin(); it != list.end(); ++it ) { ints[i] = (*it).data("uid").toInt(); i++; } qWarning("extractUids ready: count2 = %d needs %d ms", i, t.elapsed() ); return ints; } |