/* This file is part of the Opie Project Copyright (C) Stefan Eilers (Eilers.Stefan@epost.de) =. Copyright (C) The Opie Team <opie-devel@handhelds.org> .=l. .>+-= _;:, .> :=|. This program is free software; you can .> <`_, > . <= redistribute it and/or modify it under :`=1 )Y*s>-.-- : the terms of the GNU Library General Public .="- .-=="i, .._ License as published by the Free Software - . .-<_> .<> Foundation; either version 2 of the License, ._= =} : or (at your option) any later version. .%`+i> _;_. .i_,=:_. -<s. This program is distributed in the hope that + . -:. = it will be useful, but WITHOUT ANY WARRANTY; : .. .:, . . . without even the implied warranty of =_ + =;=|` MERCHANTABILITY or FITNESS FOR A _.=:. : :=>`: PARTICULAR PURPOSE. See the GNU ..}^=.= = ; Library General Public License for more ++= -. .` .: details. : = ...= . :.=- -. .:....=;==+<; You should have received a copy of the GNU -_. . . )=. = Library General Public License along with -- :-=` this library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* * SQL Backend for the OPIE-Calender Database. * */ #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 <opie2/opimrecurrence.h> #include <opie2/odatebookaccessbackend_sql.h> using namespace Opie::DB; namespace Opie { 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( OPimEvent::FUid, "uid" ); m_fieldMap.insert( OPimEvent::FCategories, "Categories" ); m_fieldMap.insert( OPimEvent::FDescription, "Description" ); m_fieldMap.insert( OPimEvent::FLocation, "Location" ); m_fieldMap.insert( OPimEvent::FType, "Type" ); m_fieldMap.insert( OPimEvent::FAlarm, "Alarm" ); m_fieldMap.insert( OPimEvent::FSound, "Sound" ); m_fieldMap.insert( OPimEvent::FRType, "RType" ); m_fieldMap.insert( OPimEvent::FRWeekdays, "RWeekdays" ); m_fieldMap.insert( OPimEvent::FRPosition, "RPosition" ); m_fieldMap.insert( OPimEvent::FRFreq, "RFreq" ); m_fieldMap.insert( OPimEvent::FRHasEndDate, "RHasEndDate" ); m_fieldMap.insert( OPimEvent::FREndDate, "REndDate" ); m_fieldMap.insert( OPimEvent::FRCreated, "RCreated" ); m_fieldMap.insert( OPimEvent::FRExceptions, "RExceptions" ); m_fieldMap.insert( OPimEvent::FStart, "Start" ); m_fieldMap.insert( OPimEvent::FEnd, "End" ); m_fieldMap.insert( OPimEvent::FNote, "Note" ); m_fieldMap.insert( OPimEvent::FTimeZone, "TimeZone" ); m_fieldMap.insert( OPimEvent::FRecParent, "RecParent" ); m_fieldMap.insert( OPimEvent::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 OPimEvent&, 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(); } OPimEvent 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( OPimEvent::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 OPimEvent retDate( dateEventMap ); return retDate; } // FIXME: Speed up update of uid's.. bool ODateBookAccessBackend_SQL::add( const OPimEvent& 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 OPimEvent& 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 ); } OPimEvent::ValueList ODateBookAccessBackend_SQL::directNonRepeats() { QArray<int> nonRepUids = nonRepeats(); OPimEvent::ValueList list; for (uint i = 0; i < nonRepUids.count(); ++i ){ list.append( find( nonRepUids[i] ) ); } return list; } OPimEvent::ValueList ODateBookAccessBackend_SQL::directRawRepeats() { QArray<int> rawRepUids = rawRepeats(); OPimEvent::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; } }