1 files changed, 68 insertions, 0 deletions
diff --git a/src/study/StudyFileWriter.cpp b/src/study/StudyFileWriter.cpp
new file mode 100644
index 0000000..ab68d6f
--- /dev/null
+++ b/src/study/StudyFileWriter.cpp
@@ -0,0 +1,68 @@
+#include "StudyFileWriter.h"
+#include "StudySettings.h"
+#include "../dictionary/Dictionary.h"
+#include "../version.h"
+#include "../dictionary/CardPack.h"
+
+StudyFileWriter::StudyFileWriter( const Dictionary* aDict ):
+    m_dict( aDict )
+{
+    setAutoFormatting( true );
+}
+
+bool StudyFileWriter::write( QIODevice* aDevice )
+{
+    setDevice( aDevice );
+    writeStartDocument();
+    writeDTD( "<!DOCTYPE freshmemory-study>" );
+    writeStartElement("study");
+    writeAttribute( "version", STUDY_VERSION );
+
+    foreach( CardPack* pack, m_dict->cardPacks() )
+        writePack( pack );
+
+    writeEndDocument();
+    return true;
+}
+
+void StudyFileWriter::writePack( const CardPack* aPack )
+    {
+    QStringList cardIds = aPack->getCardQuestions();
+    if( cardIds.isEmpty() )
+        return; // Don't write empty pack
+    writeStartElement( "pack" );
+    writeAttribute( "id", aPack->id() );
+    if( !aPack->curCardName().isEmpty() )
+        { 
+        writeEmptyElement( "cur-card" );
+        writeAttribute( "id", aPack->curCardName() );
+        }
+    foreach( QString cardId, cardIds )
+        writeCard( cardId, aPack );
+    writeEndElement();
+    }
+
+void StudyFileWriter::writeCard( const QString& aCardId, const CardPack* aPack )
+    {
+    QList<StudyRecord> studyRecords( aPack->getStudyRecords( aCardId ) );
+    if( studyRecords.isEmpty() )   // Don't write cards without records
+        return;
+    writeStartElement( "c" );
+    writeAttribute( "id", aCardId );
+    // Take study records from the list in reverse order. The first is the most recent.
+    QListIterator<StudyRecord> it( studyRecords );
+    it.toBack();
+    while( it.hasPrevious() )
+        {
+        StudyRecord record = it.previous();
+        writeEmptyElement( "r" );
+        writeAttribute( "d", record.date.toString( Qt::ISODate ) );
+        writeAttribute( "l", QString::number( record.level ) );
+        writeAttribute( "g", QString::number( record.grade ) );
+        writeAttribute( "e", QString::number( record.easiness ) );
+        writeAttribute( "rt", QString::number( record.recallTime, 'g', 4 ) );
+        writeAttribute( "at", QString::number( record.answerTime, 'g', 4 ) );
+        writeAttribute( "i", QString::number( record.interval, 'g', 6 ) );
+        }
+    writeEndElement();  // <c />
+    }