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<h1>eventarchiver.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment">    This file is part of KOrganizer.</span>
<a name="l00003"></a>00003 <span class="comment">    Copyright (c) 2000,2001 Cornelius Schumacher &lt;schumacher@kde.org&gt;</span>
<a name="l00004"></a>00004 <span class="comment">    Copyright (c) 2004 David Faure &lt;faure@kde.org&gt;</span>
<a name="l00005"></a>00005 <span class="comment">    Copyright (C) 2004 Reinhold Kainhofer &lt;reinhold@kainhofer.com&gt;</span>
<a name="l00006"></a>00006 <span class="comment"></span>
<a name="l00007"></a>00007 <span class="comment">    This program is free software; you can redistribute it and/or modify</span>
<a name="l00008"></a>00008 <span class="comment">    it under the terms of the GNU General Public License as published by</span>
<a name="l00009"></a>00009 <span class="comment">    the Free Software Foundation; either version 2 of the License, or</span>
<a name="l00010"></a>00010 <span class="comment">    (at your option) any later version.</span>
<a name="l00011"></a>00011 <span class="comment"></span>
<a name="l00012"></a>00012 <span class="comment">    This program is distributed in the hope that it will be useful,</span>
<a name="l00013"></a>00013 <span class="comment">    but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00014"></a>00014 <span class="comment">    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="l00015"></a>00015 <span class="comment">    GNU General Public License for more details.</span>
<a name="l00016"></a>00016 <span class="comment"></span>
<a name="l00017"></a>00017 <span class="comment">    You should have received a copy of the GNU General Public License</span>
<a name="l00018"></a>00018 <span class="comment">    along with this program; if not, write to the Free Software</span>
<a name="l00019"></a>00019 <span class="comment">    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.</span>
<a name="l00020"></a>00020 <span class="comment"></span>
<a name="l00021"></a>00021 <span class="comment">    As a special exception, permission is given to link this program</span>
<a name="l00022"></a>00022 <span class="comment">    with any edition of Qt, and distribute the resulting executable,</span>
<a name="l00023"></a>00023 <span class="comment">    without including the source code for Qt in the source distribution.</span>
<a name="l00024"></a>00024 <span class="comment">*/</span>
<a name="l00025"></a>00025 
<a name="l00026"></a>00026 <span class="preprocessor">#include "eventarchiver.h"</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include &lt;kglobal.h&gt;</span>
<a name="l00028"></a>00028 <span class="preprocessor">#include &lt;klocale.h&gt;</span>
<a name="l00029"></a>00029 <span class="preprocessor">#include &lt;ktempfile.h&gt;</span>
<a name="l00030"></a>00030 <span class="preprocessor">#include &lt;kio/netaccess.h&gt;</span>
<a name="l00031"></a>00031 <span class="preprocessor">#include &lt;kglobal.h&gt;</span>
<a name="l00032"></a>00032 <span class="preprocessor">#include &lt;libkcal/filestorage.h&gt;</span>
<a name="l00033"></a>00033 <span class="preprocessor">#include &lt;libkcal/calendarlocal.h&gt;</span>
<a name="l00034"></a>00034 <span class="preprocessor">#include &lt;<a class="codeRef" doxygen="libkcal.tag:../../libkcal/html/" href="../../libkcal/html/calendar_8h.html">libkcal/calendar.h</a>&gt;</span>
<a name="l00035"></a>00035 <span class="preprocessor">#include &lt;kmessagebox.h&gt;</span>
<a name="l00036"></a>00036 <span class="preprocessor">#include &lt;kdebug.h&gt;</span>
<a name="l00037"></a>00037 <span class="preprocessor">#include "koprefs.h"</span>
<a name="l00038"></a>00038 
<a name="l00039"></a>00039 EventArchiver::EventArchiver( QObject* parent, <span class="keyword">const</span> <span class="keywordtype">char</span>* name )
<a name="l00040"></a>00040  : QObject( parent, name )
<a name="l00041"></a>00041 {
<a name="l00042"></a>00042 }
<a name="l00043"></a>00043 
<a name="l00044"></a>00044 EventArchiver::~EventArchiver()
<a name="l00045"></a>00045 {
<a name="l00046"></a>00046 }
<a name="l00047"></a>00047 
<a name="l00048"></a><a class="code" href="classEventArchiver.html#67aec36352880675c0296bf25a9bef14">00048</a> <span class="keywordtype">void</span> <a class="code" href="classEventArchiver.html#67aec36352880675c0296bf25a9bef14" title="Delete or archive events once.">EventArchiver::runOnce</a>( <a class="codeRef" doxygen="libkcal.tag:../../libkcal/html/" href="../../libkcal/html/classKCal_1_1Calendar.html">Calendar</a>* calendar, <span class="keyword">const</span> QDate&amp; limitDate, QWidget* widget )
<a name="l00049"></a>00049 {
<a name="l00050"></a>00050   run( calendar, limitDate, widget, <span class="keyword">true</span>, <span class="keyword">true</span> );
<a name="l00051"></a>00051 }
<a name="l00052"></a>00052 
<a name="l00053"></a><a class="code" href="classEventArchiver.html#e5a6415e04b3466c3c53551bf6bdc7a1">00053</a> <span class="keywordtype">void</span> <a class="code" href="classEventArchiver.html#e5a6415e04b3466c3c53551bf6bdc7a1" title="Delete or archive events.">EventArchiver::runAuto</a>( <a class="codeRef" doxygen="libkcal.tag:../../libkcal/html/" href="../../libkcal/html/classKCal_1_1Calendar.html">Calendar</a>* calendar, QWidget* widget, <span class="keywordtype">bool</span> withGUI )
<a name="l00054"></a>00054 {
<a name="l00055"></a>00055   QDate limitDate( QDate::currentDate() );
<a name="l00056"></a>00056   <span class="keywordtype">int</span> expiryTime = KOPrefs::instance()-&gt;mExpiryTime;
<a name="l00057"></a>00057   <span class="keywordflow">switch</span> (KOPrefs::instance()-&gt;mExpiryUnit) {
<a name="l00058"></a>00058   <span class="keywordflow">case</span> KOPrefs::UnitDays: <span class="comment">// Days</span>
<a name="l00059"></a>00059     limitDate = limitDate.addDays( -expiryTime );
<a name="l00060"></a>00060     <span class="keywordflow">break</span>;
<a name="l00061"></a>00061   <span class="keywordflow">case</span> KOPrefs::UnitWeeks: <span class="comment">// Weeks</span>
<a name="l00062"></a>00062     limitDate = limitDate.addDays( -expiryTime*7 );
<a name="l00063"></a>00063     <span class="keywordflow">break</span>;
<a name="l00064"></a>00064   <span class="keywordflow">case</span> KOPrefs::UnitMonths: <span class="comment">// Months</span>
<a name="l00065"></a>00065     limitDate = limitDate.addMonths( -expiryTime );
<a name="l00066"></a>00066     <span class="keywordflow">break</span>;
<a name="l00067"></a>00067   <span class="keywordflow">default</span>:
<a name="l00068"></a>00068     <span class="keywordflow">return</span>;
<a name="l00069"></a>00069   }
<a name="l00070"></a>00070   run( calendar, limitDate, widget, withGUI, <span class="keyword">false</span> );
<a name="l00071"></a>00071 }
<a name="l00072"></a>00072 
<a name="l00073"></a>00073 <span class="keywordtype">void</span> EventArchiver::run( <a class="codeRef" doxygen="libkcal.tag:../../libkcal/html/" href="../../libkcal/html/classKCal_1_1Calendar.html">Calendar</a>* calendar, <span class="keyword">const</span> QDate&amp; limitDate, QWidget* widget, <span class="keywordtype">bool</span> withGUI, <span class="keywordtype">bool</span> errorIfNone )
<a name="l00074"></a>00074 {
<a name="l00075"></a>00075   <span class="comment">// We need to use rawEvents, otherwise events hidden by filters will not be archived.</span>
<a name="l00076"></a>00076   <a class="codeRef" doxygen="libkcal.tag:../../libkcal/html/" href="../../libkcal/html/classKCal_1_1Incidence.html#74056b273d15b567668640fc37169c6d">Incidence::List</a> incidences;
<a name="l00077"></a>00077   <a class="codeRef" doxygen="libkcal.tag:../../libkcal/html/" href="../../libkcal/html/classKCal_1_1ListBase.html">Event::List</a> events;
<a name="l00078"></a>00078   <a class="codeRef" doxygen="libkcal.tag:../../libkcal/html/" href="../../libkcal/html/classKCal_1_1ListBase.html">Todo::List</a> todos;
<a name="l00079"></a>00079   <a class="codeRef" doxygen="libkcal.tag:../../libkcal/html/" href="../../libkcal/html/classKCal_1_1ListBase.html">Journal::List</a> journals;
<a name="l00080"></a>00080   
<a name="l00081"></a>00081   <span class="keywordflow">if</span> ( KOPrefs::instance()-&gt;mArchiveEvents ) {
<a name="l00082"></a>00082     events = calendar-&gt;<a class="codeRef" doxygen="libkcal.tag:../../libkcal/html/" href="../../libkcal/html/classKCal_1_1Calendar.html#a03685d1878387b4b39769a7b967a232">rawEvents</a>(
<a name="l00083"></a>00083       QDate( 1769, 12, 1 ),
<a name="l00084"></a>00084       <span class="comment">// #29555, also advertised by the "limitDate not included" in the class docu</span>
<a name="l00085"></a>00085       limitDate.addDays( -1 ),
<a name="l00086"></a>00086       true );
<a name="l00087"></a>00087   }
<a name="l00088"></a>00088   <span class="keywordflow">if</span> ( KOPrefs::instance()-&gt;mArchiveTodos ) {
<a name="l00089"></a>00089     <a class="codeRef" doxygen="libkcal.tag:../../libkcal/html/" href="../../libkcal/html/classKCal_1_1ListBase.html">Todo::List</a> t = calendar-&gt;<a class="codeRef" doxygen="libkcal.tag:../../libkcal/html/" href="../../libkcal/html/classKCal_1_1Calendar.html#c95bdb0d0e9399280396d1ff26a8377d">rawTodos</a>();
<a name="l00090"></a>00090     Todo::List::ConstIterator it;
<a name="l00091"></a>00091     <span class="keywordflow">for</span>( it = t.begin(); it != t.end(); ++it ) {
<a name="l00092"></a>00092       <span class="keywordflow">if</span> ( (*it) &amp;&amp; ( (*it)-&gt;isCompleted() ) &amp;&amp;  ( (*it)-&gt;completed().date() &lt; limitDate ) ) {
<a name="l00093"></a>00093         todos.append( *it );
<a name="l00094"></a>00094       }
<a name="l00095"></a>00095     }
<a name="l00096"></a>00096   }
<a name="l00097"></a>00097   
<a name="l00098"></a>00098   incidences = Calendar::mergeIncidenceList( events, todos, journals );
<a name="l00099"></a>00099   
<a name="l00100"></a>00100 
<a name="l00101"></a>00101   kdDebug(5850) &lt;&lt; <span class="stringliteral">"EventArchiver: archiving incidences before "</span> &lt;&lt; limitDate &lt;&lt; <span class="stringliteral">" -&gt; "</span> &lt;&lt; incidences.count() &lt;&lt; <span class="stringliteral">" incidences found."</span> &lt;&lt; endl;
<a name="l00102"></a>00102   <span class="keywordflow">if</span> ( incidences.isEmpty() ) {
<a name="l00103"></a>00103     <span class="keywordflow">if</span> ( withGUI &amp;&amp; errorIfNone )
<a name="l00104"></a>00104       KMessageBox::information( widget, i18n(<span class="stringliteral">"There are no items before %1"</span>)
<a name="l00105"></a>00105                           .arg(KGlobal::locale()-&gt;formatDate(limitDate)),
<a name="l00106"></a>00106                           <span class="stringliteral">"ArchiverNoIncidences"</span> );
<a name="l00107"></a>00107     <span class="keywordflow">return</span>;
<a name="l00108"></a>00108   }
<a name="l00109"></a>00109 
<a name="l00110"></a>00110 
<a name="l00111"></a>00111   <span class="keywordflow">switch</span> ( KOPrefs::instance()-&gt;mArchiveAction ) {
<a name="l00112"></a>00112   <span class="keywordflow">case</span> KOPrefs::actionDelete:
<a name="l00113"></a>00113     deleteIncidences( calendar, limitDate, widget, incidences, withGUI );
<a name="l00114"></a>00114     <span class="keywordflow">break</span>;
<a name="l00115"></a>00115   <span class="keywordflow">case</span> KOPrefs::actionArchive:
<a name="l00116"></a>00116     archiveIncidences( calendar, limitDate, widget, incidences, withGUI );
<a name="l00117"></a>00117     <span class="keywordflow">break</span>;
<a name="l00118"></a>00118   }
<a name="l00119"></a>00119 }
<a name="l00120"></a>00120 
<a name="l00121"></a>00121 <span class="keywordtype">void</span> EventArchiver::deleteIncidences( <a class="codeRef" doxygen="libkcal.tag:../../libkcal/html/" href="../../libkcal/html/classKCal_1_1Calendar.html">Calendar</a>* calendar, <span class="keyword">const</span> QDate&amp; limitDate, QWidget* widget, <span class="keyword">const</span> <a class="codeRef" doxygen="libkcal.tag:../../libkcal/html/" href="../../libkcal/html/classKCal_1_1Incidence.html#74056b273d15b567668640fc37169c6d">Incidence::List</a>&amp; incidences, <span class="keywordtype">bool</span> withGUI )
<a name="l00122"></a>00122 {
<a name="l00123"></a>00123   QStringList incidenceStrs;
<a name="l00124"></a>00124   Incidence::List::ConstIterator it;
<a name="l00125"></a>00125   <span class="keywordflow">for</span>( it = incidences.begin(); it != incidences.end(); ++it ) {
<a name="l00126"></a>00126     incidenceStrs.append( (*it)-&gt;summary() );
<a name="l00127"></a>00127   }
<a name="l00128"></a>00128 
<a name="l00129"></a>00129   <span class="keywordflow">if</span> ( withGUI ) {
<a name="l00130"></a>00130     <span class="keywordtype">int</span> result = KMessageBox::warningContinueCancelList(
<a name="l00131"></a>00131       widget, i18n(<span class="stringliteral">"Delete all items before %1 without saving?\n"</span>
<a name="l00132"></a>00132                  <span class="stringliteral">"The following items will be deleted:"</span>)
<a name="l00133"></a>00133       .arg(KGlobal::locale()-&gt;formatDate(limitDate)), incidenceStrs,
<a name="l00134"></a>00134          i18n(<span class="stringliteral">"Delete Old Items"</span>),KStdGuiItem::del());
<a name="l00135"></a>00135     <span class="keywordflow">if</span> (result != KMessageBox::Continue)
<a name="l00136"></a>00136       <span class="keywordflow">return</span>;
<a name="l00137"></a>00137   }
<a name="l00138"></a>00138   <span class="keywordflow">for</span>( it = incidences.begin(); it != incidences.end(); ++it ) {
<a name="l00139"></a>00139     calendar-&gt;<a class="codeRef" doxygen="libkcal.tag:../../libkcal/html/" href="../../libkcal/html/classKCal_1_1Calendar.html#4c46fd01ec4084eef9e7a92370adfad0">deleteIncidence</a>( *it );
<a name="l00140"></a>00140   }
<a name="l00141"></a>00141   emit eventsDeleted();
<a name="l00142"></a>00142 }
<a name="l00143"></a>00143 
<a name="l00144"></a>00144 <span class="keywordtype">void</span> EventArchiver::archiveIncidences( <a class="codeRef" doxygen="libkcal.tag:../../libkcal/html/" href="../../libkcal/html/classKCal_1_1Calendar.html">Calendar</a>* calendar, <span class="keyword">const</span> QDate&amp; <span class="comment">/*limitDate*/</span>, QWidget* widget, <span class="keyword">const</span> <a class="codeRef" doxygen="libkcal.tag:../../libkcal/html/" href="../../libkcal/html/classKCal_1_1Incidence.html#74056b273d15b567668640fc37169c6d">Incidence::List</a>&amp; incidences, <span class="keywordtype">bool</span> <span class="comment">/*withGUI*/</span>)
<a name="l00145"></a>00145 {
<a name="l00146"></a>00146   <a class="codeRef" doxygen="libkcal.tag:../../libkcal/html/" href="../../libkcal/html/classKCal_1_1FileStorage.html">FileStorage</a> storage( calendar );
<a name="l00147"></a>00147 
<a name="l00148"></a>00148   <span class="comment">// Save current calendar to disk</span>
<a name="l00149"></a>00149   KTempFile tmpFile;
<a name="l00150"></a>00150   tmpFile.setAutoDelete(<span class="keyword">true</span>);
<a name="l00151"></a>00151   storage.setFileName( tmpFile.name() );
<a name="l00152"></a>00152   <span class="keywordflow">if</span> ( !storage.save() ) {
<a name="l00153"></a>00153     kdDebug(5850) &lt;&lt; <span class="stringliteral">"EventArchiver::archiveEvents(): Can't save calendar to temp file"</span> &lt;&lt; endl;
<a name="l00154"></a>00154     <span class="keywordflow">return</span>;
<a name="l00155"></a>00155   }
<a name="l00156"></a>00156 
<a name="l00157"></a>00157   <span class="comment">// Duplicate current calendar by loading in new calendar object</span>
<a name="l00158"></a>00158   <a class="codeRef" doxygen="libkcal.tag:../../libkcal/html/" href="../../libkcal/html/classKCal_1_1CalendarLocal.html">CalendarLocal</a> archiveCalendar( KOPrefs::instance()-&gt;mTimeZoneId );
<a name="l00159"></a>00159 
<a name="l00160"></a>00160   <a class="codeRef" doxygen="libkcal.tag:../../libkcal/html/" href="../../libkcal/html/classKCal_1_1FileStorage.html">FileStorage</a> archiveStore( &amp;archiveCalendar );
<a name="l00161"></a>00161   archiveStore.setFileName( tmpFile.name() );
<a name="l00162"></a>00162   <span class="keywordflow">if</span> (!archiveStore.load()) {
<a name="l00163"></a>00163     kdDebug(5850) &lt;&lt; <span class="stringliteral">"EventArchiver::archiveEvents(): Can't load calendar from temp file"</span> &lt;&lt; endl;
<a name="l00164"></a>00164     <span class="keywordflow">return</span>;
<a name="l00165"></a>00165   }
<a name="l00166"></a>00166 
<a name="l00167"></a>00167   <span class="comment">// Strip active events from calendar so that only events to be archived</span>
<a name="l00168"></a>00168   <span class="comment">// remain. This is not really efficient, but there is no other easy way.</span>
<a name="l00169"></a>00169   QStringList uids;
<a name="l00170"></a>00170   <a class="codeRef" doxygen="libkcal.tag:../../libkcal/html/" href="../../libkcal/html/classKCal_1_1Incidence.html#74056b273d15b567668640fc37169c6d">Incidence::List</a> allIncidences = archiveCalendar.rawIncidences();
<a name="l00171"></a>00171   Incidence::List::ConstIterator it;
<a name="l00172"></a>00172   <span class="keywordflow">for</span>( it = incidences.begin(); it != incidences.end(); ++it ) {
<a name="l00173"></a>00173     uids &lt;&lt; (*it)-&gt;uid();
<a name="l00174"></a>00174   }
<a name="l00175"></a>00175   <span class="keywordflow">for</span>( it = allIncidences.begin(); it != allIncidences.end(); ++it ) {
<a name="l00176"></a>00176     <span class="keywordflow">if</span> ( !uids.contains( (*it)-&gt;uid() ) ) {
<a name="l00177"></a>00177       archiveCalendar.deleteIncidence( *it );
<a name="l00178"></a>00178     }
<a name="l00179"></a>00179   }
<a name="l00180"></a>00180 
<a name="l00181"></a>00181   <span class="comment">// Get or create the archive file</span>
<a name="l00182"></a>00182   KURL archiveURL( KOPrefs::instance()-&gt;mArchiveFile );
<a name="l00183"></a>00183   QString archiveFile;
<a name="l00184"></a>00184 
<a name="l00185"></a>00185   <span class="keywordflow">if</span> ( KIO::NetAccess::exists( archiveURL, <span class="keyword">true</span>, widget ) ) {
<a name="l00186"></a>00186     <span class="keywordflow">if</span>( !KIO::NetAccess::download( archiveURL, archiveFile, widget ) ) {
<a name="l00187"></a>00187       kdDebug(5850) &lt;&lt; <span class="stringliteral">"EventArchiver::archiveEvents(): Can't download archive file"</span> &lt;&lt; endl;
<a name="l00188"></a>00188       <span class="keywordflow">return</span>;
<a name="l00189"></a>00189     }
<a name="l00190"></a>00190     <span class="comment">// Merge with events to be archived.</span>
<a name="l00191"></a>00191     archiveStore.setFileName( archiveFile );
<a name="l00192"></a>00192     <span class="keywordflow">if</span> ( !archiveStore.load() ) {
<a name="l00193"></a>00193       kdDebug(5850) &lt;&lt; <span class="stringliteral">"EventArchiver::archiveEvents(): Can't merge with archive file"</span> &lt;&lt; endl;
<a name="l00194"></a>00194       <span class="keywordflow">return</span>;
<a name="l00195"></a>00195     }
<a name="l00196"></a>00196   } <span class="keywordflow">else</span> {
<a name="l00197"></a>00197     archiveFile = tmpFile.name();
<a name="l00198"></a>00198   }
<a name="l00199"></a>00199 
<a name="l00200"></a>00200   <span class="comment">// Save archive calendar</span>
<a name="l00201"></a>00201   <span class="keywordflow">if</span> ( !archiveStore.save() ) {
<a name="l00202"></a>00202     KMessageBox::error(widget,i18n(<span class="stringliteral">"Cannot write archive file %1."</span>).arg( archiveStore.fileName() ));
<a name="l00203"></a>00203     <span class="keywordflow">return</span>;
<a name="l00204"></a>00204   }
<a name="l00205"></a>00205 
<a name="l00206"></a>00206   <span class="comment">// Upload if necessary</span>
<a name="l00207"></a>00207   KURL srcUrl;
<a name="l00208"></a>00208   srcUrl.setPath(archiveFile);
<a name="l00209"></a>00209   <span class="keywordflow">if</span> (srcUrl != archiveURL) {
<a name="l00210"></a>00210     <span class="keywordflow">if</span> ( !KIO::NetAccess::upload( archiveFile, archiveURL, widget ) ) {
<a name="l00211"></a>00211       KMessageBox::error(widget,i18n(<span class="stringliteral">"Cannot write archive to final destination."</span>));
<a name="l00212"></a>00212       <span class="keywordflow">return</span>;
<a name="l00213"></a>00213     }
<a name="l00214"></a>00214   }
<a name="l00215"></a>00215 
<a name="l00216"></a>00216   KIO::NetAccess::removeTempFile(archiveFile);
<a name="l00217"></a>00217 
<a name="l00218"></a>00218   <span class="comment">// Delete archived events from calendar</span>
<a name="l00219"></a>00219   <span class="keywordflow">for</span>( it = incidences.begin(); it != incidences.end(); ++it ) {
<a name="l00220"></a>00220     calendar-&gt;<a class="codeRef" doxygen="libkcal.tag:../../libkcal/html/" href="../../libkcal/html/classKCal_1_1Calendar.html#4c46fd01ec4084eef9e7a92370adfad0">deleteIncidence</a>( *it );
<a name="l00221"></a>00221   }
<a name="l00222"></a>00222   emit eventsDeleted();
<a name="l00223"></a>00223 }
<a name="l00224"></a>00224 
<a name="l00225"></a>00225 <span class="preprocessor">#include "eventarchiver.moc"</span>
</pre></div></div>
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