1 files changed, 39 insertions, 18 deletions

diff --git a/libopie/pim/ocontactaccessbackend_xml.h b/libopie/pim/ocontactaccessbackend_xml.h
index c6e6cbc..6a1c91d 100644
--- a/libopie/pim/ocontactaccessbackend_xml.h
+++ b/libopie/pim/ocontactaccessbackend_xml.h
@@ -1,524 +1,545 @@
 /*
  * XML Backend for the OPIE-Contact Database.
  *
  * Copyright (c) 2002 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.
  * =====================================================================
  * ToDo: XML-Backend: Automatic reload if something was changed...
  *
  *
  * =====================================================================
  * Version: $Id$
  * =====================================================================
  * History:
  * $Log$
+ * Revision 1.11  2003/01/03 12:31:28  eilers
+ * Bugfix for calculating data diffs..
+ *
  * Revision 1.10  2003/01/02 14:27:12  eilers
  * Improved query by example: Search by date is possible.. First step
  * for a today plugin for birthdays..
  *
  * Revision 1.9  2002/12/08 12:48:57  eilers
  * Moved journal-enum from ocontact into i the xml-backend..
  *
  * Revision 1.8  2002/11/14 17:04:24  eilers
  * Sorting will now work if fullname is identical on some entries
  *
  * Revision 1.7  2002/11/13 15:02:46  eilers
  * Small Bug in sorted fixed
  *
  * Revision 1.6  2002/11/13 14:14:51  eilers
  * Added sorted for Contacts..
  *
  * Revision 1.5  2002/11/01 15:10:42  eilers
  * Added regExp-search in database for all fields in a contact.
  *
  * Revision 1.4  2002/10/16 10:52:40  eilers
  * Added some docu to the interface and now using the cache infrastucture by zecke.. :)
  *
  * Revision 1.3  2002/10/14 16:21:54  eilers
  * Some minor interface updates
  *
  * Revision 1.2  2002/10/07 17:34:24  eilers
  * added OBackendFactory for advanced backend access
  *
  * Revision 1.1  2002/09/27 17:11:44  eilers
  * Added API for accessing the Contact-Database ! It is compiling, but
  * please do not expect that anything is working !
  * I will debug that stuff in the next time ..
  * Please read README_COMPILE for compiling !
  *
  *
  */
 
 #ifndef _OContactAccessBackend_XML_
 #define _OContactAccessBackend_XML_
 
 #include <qasciidict.h>
 #include <qdatetime.h>
 #include <qfile.h>
 #include <qfileinfo.h>
 #include <qregexp.h>
 #include <qarray.h>
 #include <qmap.h>
 #include <qdatetime.h> 
 
 #include <qpe/global.h>
 
 #include <opie/xmltree.h>
 #include "ocontactaccessbackend.h"
 #include "ocontactaccess.h"
 
 #include <stdlib.h>
 #include <errno.h>
 
 using namespace Opie;
 
 /* the default xml implementation */
 class OContactAccessBackend_XML : public OContactAccessBackend {
  public:
         OContactAccessBackend_XML ( QString appname, QString filename = 0l ):
                 m_changed( false )
                 {
                         m_appName = appname;
                         
                         /* Set journalfile name ... */
                         m_journalName = getenv("HOME");
                         m_journalName +="/.abjournal" + appname;
                         
                         /* Expecting to access the default filename if nothing else is set */
                         if ( filename.isEmpty() ){
                                 m_fileName = Global::applicationFileName( "addressbook","addressbook.xml" );
                         } else
                                 m_fileName = filename;
                         
                         /* Load Database now */
                         load ();
                 }
         
         bool save() {
 
                 if ( !m_changed )
                         return true;
 
                 QString strNewFile = m_fileName + ".new";
                 QFile f( strNewFile );
                 if ( !f.open( IO_WriteOnly|IO_Raw ) )
                         return false;
                 
                 int total_written;
                 QString out;
                 out = "<?xml version=\"1.0\" encoding=\"UTF-8\"?><!DOCTYPE Addressbook ><AddressBook>\n"
                         " <Groups>\n"
                         " </Groups>\n"
                         " <Contacts>\n";
                 //QValueList<Contact>::iterator it;
                 QValueListConstIterator<OContact> it;
                 for ( it = m_contactList.begin(); it != m_contactList.end(); ++it ) {
                         out += "<Contact ";
                         (*it).save( out );
                         out += "/>\n";
                         QCString cstr = out.utf8();
                         total_written = f.writeBlock( cstr.data(), cstr.length() );
                         if ( total_written != int(cstr.length()) ) {
                                 f.close();
                                 QFile::remove( strNewFile );
                                 return false;
                         }
                         out = "";
                 }
                 out += " </Contacts>\n</AddressBook>\n";
                 
                 QCString cstr = out.utf8();
                 total_written = f.writeBlock( cstr.data(), cstr.length() );
                 if ( total_written != int( cstr.length() ) ) {
                         f.close();
                         QFile::remove( strNewFile );
                         return false;
                 }
                 f.close();
                 
                 // move the file over, I'm just going to use the system call
                 // because, I don't feel like using QDir.
                 if ( ::rename( strNewFile.latin1(), m_fileName.latin1() ) < 0 ) {
                         qWarning( "problem renaming file %s to %s, errno: %d",
                                   strNewFile.latin1(), m_journalName.latin1(), errno );
                         // remove the tmp file...
                         QFile::remove( strNewFile );
                 }
                 
                 /* The journalfile should be removed now... */
                 removeJournal();
 
                 m_changed = false;
                 return true;
         }
         
         bool load () {
                 m_contactList.clear();
                 
                 /* Load XML-File and journal if it exists */
                 if ( !load ( m_fileName, false ) )
                         return false;
                 /* The returncode of the journalfile is ignored due to the
                  * fact that it does not exist when this class is instantiated !
                  * But there may such a file exist, if the application crashed.
                  * Therefore we try to load it to get the changes before the #
                  * crash happened...
                  */
                 load (m_journalName, true);
                 
                 return true;
         }
 
         void clear () {
                 m_contactList.clear();
                 m_changed = false;
 
         }
         
         bool wasChangedExternally()
                 {
                         QFileInfo fi( m_fileName );
                         
                         QDateTime lastmod = fi.lastModified ();
                         
                         return (lastmod != m_readtime);
                 }
         
         QArray<int> allRecords() const {
                 QArray<int> uid_list( m_contactList.count() );
                 
                 uint counter = 0; 
                 QValueListConstIterator<OContact> it;
                 for( it = m_contactList.begin(); it != m_contactList.end(); ++it ){
                         uid_list[counter++] = (*it).uid();
                 }
                 
                 return ( uid_list );
         }
         
         OContact find ( int uid ) const
                 {
                         bool found = false;
                         OContact foundContact; //Create empty contact
 
                         QValueListConstIterator<OContact> it;
                         for( it = m_contactList.begin(); it != m_contactList.end(); ++it ){
                                 if ((*it).uid() == uid){
                                         found = true;
                                         break;
                                 }
                         }
                         if ( found ){
                                 foundContact = *it;
                         }
                         
                         return ( foundContact );
                 }
         
         QArray<int> queryByExample ( const OContact &query, int settings ){
                 
                 QArray<int> m_currentQuery( m_contactList.count() );
                 QValueListConstIterator<OContact> it;
                 uint arraycounter = 0;
                 
                 for( it = m_contactList.begin(); it != m_contactList.end(); ++it ){
                         /* Search all fields and compare them with query object. Store them into list
                          * if all fields matches.
                          */
                         QDate* queryDate = 0l;
                         QDate* checkDate = 0l;
                         bool allcorrect = true;
                         for ( int i = 0; i < Qtopia::Groups; i++ ) {
                                 // Birthday and anniversary are special nonstring fields and should
-                                // be handled especially
+                                // be handled specially
                                 switch ( i ){
                                 case Qtopia::Birthday:
                                         queryDate = new QDate( query.birthday() );
                                         checkDate = new QDate( (*it).birthday() );
                                 case Qtopia::Anniversary:
                                         if ( queryDate == 0l ){
                                                 queryDate = new QDate( query.anniversary() );
                                                 checkDate = new QDate( (*it).anniversary() );
                                         }
                                         
                                         if ( queryDate->isValid() ){
-                                                if ( settings & OContactAccess::DateYear ){
-                                                        if ( queryDate->year() != checkDate->year() )
-                                                                allcorrect = false;
-                                                } 
-                                                if ( settings & OContactAccess::DateMonth ){
-                                                        if ( queryDate->month() != checkDate->month() )
-                                                                allcorrect = false;
-                                                } 
-                                                if ( settings & OContactAccess::DateDay ){
-                                                        if ( queryDate->day() != checkDate->day() )
-                                                                allcorrect = false;
-                                                } 
-                                                if ( settings & OContactAccess::DateDiff ) {
-                                                        QDate current = QDate::currentDate();
-                                                        if ( current.daysTo( *queryDate ) > 0 ){
-                                                                if ( !( ( *checkDate >= current ) && 
-                                                                        ( *checkDate <= *queryDate ) ) )
+                                                if(  checkDate->isValid() ){
+                                                        if ( settings & OContactAccess::DateYear ){
+                                                                if ( queryDate->year() != checkDate->year() )
+                                                                        allcorrect = false;
+                                                        } 
+                                                        if ( settings & OContactAccess::DateMonth ){
+                                                                if ( queryDate->month() != checkDate->month() )
+                                                                        allcorrect = false;
+                                                        } 
+                                                        if ( settings & OContactAccess::DateDay ){
+                                                                if ( queryDate->day() != checkDate->day() )
                                                                         allcorrect = false;
+                                                        } 
+                                                        if ( settings & OContactAccess::DateDiff ) {
+                                                                QDate current = QDate::currentDate();
+                                                                // We have to equalize the year, otherwise
+                                                                // the search will fail..
+                                                                checkDate->setYMD( current.year(), checkDate->month(), checkDate->day() );
+                                                                if ( *checkDate < current )
+                                                                        checkDate->setYMD( current.year()+1, 
+                                                                                           checkDate->month(), 
+                                                                                           checkDate->day() );
+                                                                // qWarning("Checking if %s is between %s and %s ! ", 
+                                                                        // checkDate->toString().latin1(),
+                                                                        // current.toString().latin1(), 
+                                                                        // queryDate->toString().latin1() );
+                                                                if ( current.daysTo( *queryDate ) > 0 ){
+                                                                        if ( !( ( *checkDate >= current ) && 
+                                                                                ( *checkDate <= *queryDate ) ) ){
+                                                                                allcorrect = false;
+                                                                                //qWarning (" Nope!..");
+                                                                        }
+                                                                }
                                                         }
+                                                } else{
+                                                        // checkDate is invalid. Therfore this entry is always rejected
+                                                        allcorrect = false;
                                                 }
                                         }
 
                                         delete queryDate;
                                         queryDate = 0l;
                                         delete checkDate;
                                         checkDate = 0l;
                                         break;
                                 default:
                                         /* Just compare fields which are not empty in the query object */
                                         if ( !query.field(i).isEmpty() ){
                                                 switch ( settings & ~( OContactAccess::IgnoreCase
                                                                        | OContactAccess::DateDiff
                                                                        | OContactAccess::DateYear
                                                                        | OContactAccess::DateMonth
                                                                        | OContactAccess::DateDay
                                                                        | OContactAccess::MatchOne 
                                                                       ) ){
 
                                                 case OContactAccess::RegExp:{
                                                         QRegExp expr ( query.field(i),
                                                                        !(settings & OContactAccess::IgnoreCase),
                                                                        false );
                                                         if ( expr.find ( (*it).field(i), 0 ) == -1 )
                                                                 allcorrect = false;
                                                 }
                                                         break;
                                                 case OContactAccess::WildCards:{
                                                         QRegExp expr ( query.field(i),
                                                                        !(settings & OContactAccess::IgnoreCase),
                                                                        true );
                                                         if ( expr.find ( (*it).field(i), 0 ) == -1 )
                                                                 allcorrect = false;
                                                 }
                                                         break;
                                                 case OContactAccess::ExactMatch:{
                                                         if (settings & OContactAccess::IgnoreCase){
                                                                 if ( query.field(i).upper() !=
                                                                      (*it).field(i).upper() )
                                                                         allcorrect = false;
                                                         }else{
                                                                 if ( query.field(i) != (*it).field(i) )
                                                                         allcorrect = false;
                                                         }
                                                 }
                                                         break;
                                                 }
                                         }
                                 }
                         }
                         if ( allcorrect ){
                                 m_currentQuery[arraycounter++] = (*it).uid();
                         }
                 }
                         
                 // Shrink to fit..
                 m_currentQuery.resize(arraycounter);
         
                 return m_currentQuery;
         }
 
         QArray<int> matchRegexp(  const QRegExp &r ) const{
                 QArray<int> m_currentQuery( m_contactList.count() );
                 QValueListConstIterator<OContact> it;
                 uint arraycounter = 0;
                 
                 for( it = m_contactList.begin(); it != m_contactList.end(); ++it ){
                         if ( (*it).match( r ) ){
                                 m_currentQuery[arraycounter++] = (*it).uid();
                         }
                         
                 }
                 // Shrink to fit..
                 m_currentQuery.resize(arraycounter);
 
                 return m_currentQuery;
         }
         
         const uint querySettings()
                 {
                         return ( OContactAccess::WildCards
                                  | OContactAccess::IgnoreCase
                                  | OContactAccess::RegExp
                                  | OContactAccess::ExactMatch 
                                  | OContactAccess::DateDiff
                                  | OContactAccess::DateYear
                                  | OContactAccess::DateMonth
                                  | OContactAccess::DateDay
                                 );
                 }
         
         bool hasQuerySettings (uint querySettings) const
                 {
                         /* OContactAccess::IgnoreCase, DateDiff, DateYear, DateMonth, DateDay 
                          * may be added with any of the other settings. IgnoreCase should never used alone.
                          * Wildcards, RegExp, ExactMatch should never used at the same time...
                          */
 
                         if ( querySettings == OContactAccess::IgnoreCase ) 
                                 return false;
 
                         switch ( querySettings & ~( OContactAccess::IgnoreCase
                                                     | OContactAccess::DateDiff
                                                     | OContactAccess::DateYear
                                                     | OContactAccess::DateMonth
                                                     | OContactAccess::DateDay
                                                   ) 
                                ){
                         case OContactAccess::RegExp:
                                 return ( true );
                         case OContactAccess::WildCards:
                                 return ( true );
                         case OContactAccess::ExactMatch:
                                 return ( true );
                         default:
                                 return ( false );
                         }
                 }
         
         // Currently only asc implemented.. 
         QArray<int> sorted( bool asc,  int , int ,  int ) 
                 {
                         QMap<QString, int> nameToUid;
                         QStringList names;
                         QArray<int> m_currentQuery( m_contactList.count() );
 
                         // First fill map and StringList with all Names 
                         // Afterwards sort namelist and use map to fill array to return..
                         QValueListConstIterator<OContact> it;
                         for( it = m_contactList.begin(); it != m_contactList.end(); ++it ){
                                 names.append( (*it).fileAs() + QString::number( (*it).uid() ) );
                                 nameToUid.insert( (*it).fileAs() + QString::number( (*it).uid() ), (*it).uid() );
                         }
                         names.sort();
 
                         int i = 0;
                         if ( asc ){
                                 for ( QStringList::Iterator it = names.begin(); it != names.end(); ++it )
                                         m_currentQuery[i++] = nameToUid[ (*it) ];
                         }else{
                                 for ( QStringList::Iterator it = names.end(); it != names.begin(); --it )
                                         m_currentQuery[i++] = nameToUid[ (*it) ];
                         }
                         
                         return m_currentQuery;
                         
                 }
         bool add ( const OContact &newcontact )
                 {
                         //qWarning("odefaultbackend: ACTION::ADD");
                         updateJournal (newcontact, ACTION_ADD);
                         addContact_p( newcontact );
                         
                         m_changed = true;
 
                         return true;
                 }
         
         bool replace ( const OContact &contact )
                 {
                         m_changed = true;
 
                         bool found = false;
                         
                         QValueListIterator<OContact> it;
                         for( it = m_contactList.begin(); it != m_contactList.end(); ++it ){
                                 if ( (*it).uid() == contact.uid() ){
                                         found = true;
                                         break;
                                 }
                         }
                         if (found) {
                                 updateJournal (contact, ACTION_REPLACE);
                                 m_contactList.remove (it);
                                 m_contactList.append (contact);
                                 return true;
                         } else
                                 return false;
                 }
         
         bool remove ( int uid )
                 {
                         m_changed = true;
 
                         bool found = false;
                         QValueListIterator<OContact> it;
                         for( it = m_contactList.begin(); it != m_contactList.end(); ++it ){
                                 if ((*it).uid() == uid){
                                         found = true;
                                         break;
                                 }
                         }
                         if (found) {
                                 updateJournal ( *it, ACTION_REMOVE);
                                 m_contactList.remove (it);
                                 return true;
                         } else
                                 return false;
                 }
         
         bool reload(){
                 /* Reload is the same as load in this implementation */
                 return ( load() );
         }
         
  private:
 
         enum journal_action { ACTION_ADD, ACTION_REMOVE, ACTION_REPLACE };
 
         void addContact_p( const OContact &newcontact ){
                 m_contactList.append (newcontact);
         }
         
         /* This function loads the xml-database and the journalfile */
         bool load( const QString filename, bool isJournal ) {
                 
                 /* We use the time of the last read to check if the file was
                  * changed externally.
                  */
                 if ( !isJournal ){
                         QFileInfo fi( filename );
                         m_readtime = fi.lastModified ();
                 }
                 
                 const int JOURNALACTION = Qtopia::Notes + 1;
                 const int JOURNALROW = JOURNALACTION + 1;
                 
                 bool foundAction = false;
                 journal_action action = ACTION_ADD;
                 int journalKey = 0;
                 QMap<int, QString> contactMap;
                 QMap<QString, QString> customMap;
                 QMap<QString, QString>::Iterator customIt;
                 QAsciiDict<int> dict( 47 );
                 
                 dict.setAutoDelete( TRUE );
                 dict.insert( "Uid", new int(Qtopia::AddressUid) );
                 dict.insert( "Title", new int(Qtopia::Title) );
                 dict.insert( "FirstName", new int(Qtopia::FirstName) );
                 dict.insert( "MiddleName", new int(Qtopia::MiddleName) );
                 dict.insert( "LastName", new int(Qtopia::LastName) );
                 dict.insert( "Suffix", new int(Qtopia::Suffix) );
                 dict.insert( "FileAs", new int(Qtopia::FileAs) );
                 dict.insert( "Categories", new int(Qtopia::AddressCategory) );
                 dict.insert( "DefaultEmail", new int(Qtopia::DefaultEmail) );
                 dict.insert( "Emails", new int(Qtopia::Emails) );
                 dict.insert( "HomeStreet", new int(Qtopia::HomeStreet) );
                 dict.insert( "HomeCity", new int(Qtopia::HomeCity) );
                 dict.insert( "HomeState", new int(Qtopia::HomeState) );
                 dict.insert( "HomeZip", new int(Qtopia::HomeZip) );
                 dict.insert( "HomeCountry", new int(Qtopia::HomeCountry) );
                 dict.insert( "HomePhone", new int(Qtopia::HomePhone) );
                 dict.insert( "HomeFax", new int(Qtopia::HomeFax) );
                 dict.insert( "HomeMobile", new int(Qtopia::HomeMobile) );
                 dict.insert( "HomeWebPage", new int(Qtopia::HomeWebPage) );
                 dict.insert( "Company", new int(Qtopia::Company) );