//
// We don't really care if the indexing level is in the incorrect graph
//
void Nepomuk2::updateIndexingLevel(const QUrl& uri, int level)
{
QString uriN3 = Soprano::Node::resourceToN3( uri );
QString query = QString::fromLatin1("select ?g ?l where { graph ?g { %1 kext:indexingLevel ?l . } }")
.arg ( uriN3 );
Soprano::Model* model = ResourceManager::instance()->mainModel();
Soprano::QueryResultIterator it = model->executeQuery( query, Soprano::Query::QueryLanguageSparqlNoInference );
QUrl graph;
Soprano::Node prevLevel;
if( it.next() ) {
graph = it[0].uri();
prevLevel = it[1];
it.close();
}
if( !graph.isEmpty() ) {
QString graphN3 = Soprano::Node::resourceToN3( graph );
QString removeCommand = QString::fromLatin1("sparql delete { graph %1 { %2 kext:indexingLevel %3 . } }")
.arg( graphN3, uriN3, prevLevel.toN3() );
model->executeQuery( removeCommand, Soprano::Query::QueryLanguageUser, QLatin1String("sql") );
QString insertCommand = QString::fromLatin1("sparql insert { graph %1 { %2 kext:indexingLevel %3 . } }")
.arg( graphN3, uriN3, Soprano::Node::literalToN3(level) );
model->executeQuery( insertCommand, Soprano::Query::QueryLanguageUser, QLatin1String("sql") );
}
// Practically, this should never happen, but still
else {
QScopedPointer<KJob> job( Nepomuk2::setProperty( QList<QUrl>() << uri, KExt::indexingLevel(),
QVariantList() << QVariant(level) ) );
job->setAutoDelete(false);
job->exec();
}
}
NepomukStatementIterator(const QUrl& property = QUrl(), bool inference=true) {
QString propertyFilter;
if( !property.isEmpty() ) {
propertyFilter = QString("FILTER(?p=%1)").arg( Soprano::Node::resourceToN3(property) );
}
QString query = QString::fromLatin1("select ?r ?p ?o where { ?r ?p ?o. "
"FILTER(REGEX(STR(?r), '^nepomuk:/res')) . %1 }")
.arg( propertyFilter );
Soprano::Model* model = ResourceManager::instance()->mainModel();
if( inference )
m_it = model->executeQuery( query, Soprano::Query::QueryLanguageSparql );
else
m_it = model->executeQuery( query, Soprano::Query::QueryLanguageSparqlNoInference );
}
void moviemanager::queryTag(QString userTag)
{
//This module is not working
//get help from pnh for debugging
//pnh code
Nepomuk::Tag myTag;
myTag.setLabel(userTag);
QString query
= QString("select distinct ?r where { ?r %1 %2 . ?r a %3 }")
.arg( Soprano::Node::resourceToN3(Soprano::Vocabulary::NAO::hasTag()) )
.arg( Soprano::Node::resourceToN3(myTag.resourceUri()) )
.arg( Soprano::Node::resourceToN3(Nepomuk::Vocabulary::NFO::Video()) );
QList<Nepomuk::Resource> myResourceList;
Soprano::Model *model = Nepomuk::ResourceManager::instance()->mainModel();
Soprano::QueryResultIterator it = model->executeQuery( query, Soprano::Query::QueryLanguageSparql );
while( it.next() ) {
qDebug() << "looping";
myResourceList << Nepomuk::Resource( it.binding( "r" ).uri() );
}
Q_FOREACH (const Nepomuk::Resource& r, myResourceList)
{
mainMovieList->addItem(r.property(Nepomuk::Vocabulary::NFO::fileName()).toString());
//if(r.tags().contains(new Nepomuk:Tag("video"))) newList.append(r)
}
void RemoveDuplicates::loadDuplicates()
{
Soprano::Model* model = Nepomuk::ResourceManager::instance()->mainModel();
QString query
= QString( "select distinct ?u1 where { "
"?r1 a %1 . ?r2 a %1. ?r1 %2 ?h. ?r2 %2 ?h. "
"?r1 %3 ?u1. ?r2 %3 ?u2. filter(?r1!=?r2) . }order by ?h limit 50")
.arg( Soprano::Node::resourceToN3(Nepomuk::Vocabulary::NFO::FileDataObject()))
.arg( Soprano::Node::resourceToN3(Nepomuk::Vocabulary::NFO::hasHash()))
.arg( Soprano::Node::resourceToN3(Nepomuk::Vocabulary::NIE::url()));
Soprano::QueryResultIterator it
= model->executeQuery( query,
Soprano::Query::QueryLanguageSparql );
Nepomuk::File tempRsc;
while( it.next() ) {
tempRsc = it.binding("u1").uri() ;
QString usagecount = QString::number(tempRsc.usageCount());
QListWidgetItem* item = new QListWidgetItem(tempRsc.genericLabel() + ":: Usage Count:" + usagecount,m_resourceList);
item->setCheckState(Qt::Unchecked);
item->setToolTip(tempRsc.url().path());
qDebug()<<tempRsc.url().path();
}
}
// static
void Nepomuk2::SubtitleLoader::eraseAllSubtitles()
{
QString query = QString::fromLatin1("select distinct ?r where { ?r a %1 . }")
.arg( Soprano::Node::resourceToN3( NSBO::Subtitle() ) );
kDebug() << query;
Soprano::Model * model = Nepomuk2::ResourceManager::instance()->mainModel();
Soprano::QueryResultIterator it = model->executeQuery( query, Soprano::Query::QueryLanguageSparql );
while( it.next() ) {
Nepomuk2::Resource res( it["r"].uri() );
kDebug() << "Removing " << res.uri();
res.remove();
}
}
QList< Result > MainWindow::generateMultipleSubtitleResults()
{
QString fromWords = m_fromLineEdit->text();
QString toWords = m_toLineEdit->text();
QString query = QString::fromLatin1("select distinct ?url ?st1 ?st2 ?en1 ?en2 where {"
"?r nie:url ?url . ?sub1 nsbo:subtitleFor ?r . ?sub2 nsbo:subtitleFor ?r ."
"?sub1 nie:plainTextContent ?text1 . ?sub2 nie:plainTextContent ?text2 . "
"?sub1 nsbo:startTime ?st1 . ?sub1 nsbo:endTime ?en1 . "
"?sub2 nsbo:startTime ?st2 . ?sub2 nsbo:endTime ?en2. "
"%1 %2 } ")
.arg( createFilter( fromWords, "text1" ),
createFilter( toWords, "text2" ) );
kDebug() << query;
// Need to implement the second time restriction
Soprano::Model * model = Nepomuk2::ResourceManager::instance()->mainModel();
Soprano::QueryResultIterator it = model->executeQuery( query, Soprano::Query::QueryLanguageSparql );
QList<Result> results;
while( it.next() ) {
Result r;
r.m_filePath = it["url"].uri().toLocalFile();
QTime st1 = it["st1"].literal().toTime();
QTime st2 = it["st2"].literal().toTime();
QTime en1 = it["en1"].literal().toTime();
QTime en2 = it["en2"].literal().toTime();
int duration = en1.msecsTo(st2) / 1000;
int minTime = m_minSpinBox->value();
int maxTime = m_maxSpinBox->value();
//kDebug() << "Duration : " << duration;
if( minTime <= duration && duration <= maxTime ) {
r.startTime = st1;
r.endTime = en2;
r.text = it["text1"].literal().toString() + it["text2"].literal().toString();
kDebug() << "Pushing with duration " << duration;
results << r;
}
}
return results;
}
void Nepomuk2::SubtitleLoader::erase()
{
//TODO: Avoid using Nepomuk2::Resource. Just query the nie:url
Nepomuk2::Resource videoRes( m_videoUrl );
kDebug() << videoRes.isFile();
kDebug() << videoRes.uri();
QString query = QString::fromLatin1("select distinct ?r where { ?r %1 %2 . }")
.arg( Soprano::Node::resourceToN3( NSBO::subtitleFor() ),
Soprano::Node::resourceToN3( videoRes.uri() ) );
kDebug() << query;
Soprano::Model * model = Nepomuk2::ResourceManager::instance()->mainModel();
Soprano::QueryResultIterator it = model->executeQuery( query, Soprano::Query::QueryLanguageSparql );
while( it.next() ) {
//TODO: Use datamangement APIs
Nepomuk2::Resource res( it["r"].uri() );
kDebug() << "Removing " << res.uri();
res.remove();
}
}
bool Nepomuk2::Indexer::indexFile(const KUrl& url)
{
QFileInfo info( url.toLocalFile() );
if( !info.exists() ) {
m_lastError = QString::fromLatin1("'%1' does not exist.").arg(info.filePath());
return false;
}
QString query = QString::fromLatin1("select ?r ?mtype ?l where { ?r nie:url %1; nie:mimeType ?mtype ;"
" kext:indexingLevel ?l . }")
.arg( Soprano::Node::resourceToN3( url ) );
Soprano::Model* model = ResourceManager::instance()->mainModel();
Soprano::QueryResultIterator it = model->executeQuery( query, Soprano::Query::QueryLanguageSparqlNoInference );
QUrl uri;
QString mimeType;
if( it.next() ) {
uri = it[0].uri();
mimeType = it[1].literal().toString();
int level = it[2].literal().toInt();
if( level > 1 ) {
clearIndexingData( url );
if( !simpleIndex( url, &uri, &mimeType ) )
return false;
}
}
else {
if( !simpleIndex( url, &uri, &mimeType ) )
return false;
}
kDebug() << uri << mimeType;
return fileIndex( uri, url, mimeType );
}
QList< Result > MainWindow::generateSingleSubtitleResults(const QString& expression)
{
if( expression.isEmpty() )
return QList<Result>();
QString filterExpression = createFilter( expression, "text" );
QString query = QString::fromLatin1("select distinct ?url ?st ?end ?text where {"
"?r %1 ?url . ?sub %2 ?r ."
"?sub %3 ?st . ?sub %4 ?end . "
"?sub %5 ?text . "
"%6 } order by ?url ?st ")
.arg( Soprano::Node::resourceToN3( NIE::url() ),
Soprano::Node::resourceToN3( NSBO::subtitleFor() ),
Soprano::Node::resourceToN3( NSBO::startTime() ),
Soprano::Node::resourceToN3( NSBO::endTime() ),
Soprano::Node::resourceToN3( NIE::plainTextContent() ),
filterExpression );
kDebug() << query;
Soprano::Model * model = Nepomuk2::ResourceManager::instance()->mainModel();
Soprano::QueryResultIterator it = model->executeQuery( query, Soprano::Query::QueryLanguageSparql );
QList<Result> results;
while( it.next() ) {
Result r;
r.m_filePath = it["url"].uri();
r.startTime = it["st"].literal().toTime();
r.endTime = it["end"].literal().toTime();
r.text = it["text"].literal().toString();
kDebug() << r.text;
results << r;
}
return results;
}
void Worker::run()
{
m_canceled = false;
m_errorText.truncate( 0 );
Soprano::Model* model = Soprano::createModel( Soprano::BackendSettings() << Soprano::BackendSetting( Soprano::BackendOptionStorageMemory ) );
if ( !model ) {
m_errorText = i18n( "Failed to create Soprano memory model. Most likely the installation misses Soprano backend plugins" );
return;
}
model->addStatements( m_data.toList() );
// select all instances that do not have a subject -> these should be the extracted entities
Soprano::QueryResultIterator it = model->executeQuery( QString::fromLatin1( "select * where { "
"?r a ?type . "
"OPTIONAL { ?r <http://s.opencalais.com/1/pred/subject> ?sub . } . "
"FILTER(!bound(?sub)) . "
"}" ),
Soprano::Query::QueryLanguageSparql );
while ( !m_canceled && it.next() ) {
Soprano::Node r = it["r"];
Soprano::Graph graph;
Soprano::QueryResultIterator it2 = model->executeQuery( QString::fromLatin1( "construct { ?entity ?ep ?eo . ?rel ?relp ?relo . } "
"where { "
"?entity <http://s.opencalais.com/1/pred/subject> %1 . "
"?entity ?ep ?eo . "
"?rel a <http://s.opencalais.com/1/type/sys/RelevanceInfo> . "
"?rel <http://s.opencalais.com/1/pred/subject> %1 . "
"?rel ?relp ?relo . "
"}" )
.arg( r.toN3() ),
Soprano::Query::QueryLanguageSparql );
while ( !m_canceled && it2.next() ) {
graph << it2.currentStatement();
}
if ( m_canceled )
break;
it2 = model->executeQuery( QString::fromLatin1( "select ?name ?rel ?type ?offset ?length where { "
"%1 <http://s.opencalais.com/1/pred/name> ?name . "
"%1 a ?type . "
"?relInfo a <http://s.opencalais.com/1/type/sys/RelevanceInfo> . "
"?relInfo <http://s.opencalais.com/1/pred/subject> %1 . "
"?relInfo <http://s.opencalais.com/1/pred/relevance> ?rel . "
"?info a <http://s.opencalais.com/1/type/sys/InstanceInfo> . "
"?info <http://s.opencalais.com/1/pred/subject> %1 . "
"?info <http://s.opencalais.com/1/pred/offset> ?offset . "
"?info <http://s.opencalais.com/1/pred/length> ?length . "
"}" )
.arg( r.toN3() ),
Soprano::Query::QueryLanguageSparql );
if ( !m_canceled && it2.next() ) {
Nepomuk::Types::Class type( m_plugin->matchPimoType( it2["type"].uri() ) );
QString name = it2["name"].toString();
// FIXME: actually the opencalais resource should be used as the pimo:hasOtherRepresentation of the pimo thing
// but that would mean that Entity needs more information or the graph needs to be really used
Scribo::Entity entity( name, type, graph );
do {
double rel = it2["rel"].literal().toDouble();
int offset = it2["offset"].literal().toInt();
int length = it2["length"].literal().toInt();
Scribo::TextOccurrence oc;
oc.setStartPos( offset );
oc.setLength( length );
oc.setRelevance( rel );
entity.addOccurrence( oc );
kDebug() << type << type.label() << name << rel << offset << length;
} while ( !m_canceled && it2.next() );
if ( m_canceled )
break;
addNewMatch( entity );
// find relations for the entity
Soprano::QueryResultIterator it3 = model->executeQuery( QString::fromLatin1( "select ?verb ?offset ?length ?exact where { "
"?s a <http://s.opencalais.com/1/type/em/r/GenericRelations> . "
"?s <http://s.opencalais.com/1/pred/relationsubject> %1 . "
"?s <http://s.opencalais.com/1/pred/verb> ?verb . "
"?info a <http://s.opencalais.com/1/type/sys/InstanceInfo> . "
"?info <http://s.opencalais.com/1/pred/subject> ?s . "
"?info <http://s.opencalais.com/1/pred/offset> ?offset . "
"?info <http://s.opencalais.com/1/pred/length> ?length . "
"?info <http://s.opencalais.com/1/pred/exact> ?exact . "
"}" )
.arg( r.toN3() ),
Soprano::Query::QueryLanguageSparql );
if ( !m_canceled && it3.next() ) {
QString verb = it3["verb"].toString();
QString exact = it3["exact"].toString();
int offset = it3["offset"].literal().toInt();
int length = it3["length"].literal().toInt();
// FIXME: get the graph
Scribo::Statement s( verb, entity, exact, Soprano::Graph() );
Scribo::TextOccurrence oc;
oc.setStartPos( offset );
oc.setLength( length );
s.addOccurrence( oc );
addNewMatch( s );
}
}
}
delete model;
}
QList<CachedRowEntry> EventQuery::processQueryResults(const QString &query, const QUrl &uri)
{
Soprano::Model* model = Nepomuk2::ResourceManager::instance()->mainModel();
Soprano::QueryResultIterator it = model->executeQuery( query, Soprano::Query::QueryLanguageSparql );
// combine all search results again, so we get a just a single resource with a list of all authors and the list of types
// instead of many resources with all types again
QMap<QString, QStringList> resultList;
while( it.next() ) {
Soprano::BindingSet p = it.current();
// get either a new entry or what we have inserted beforehand
QStringList curEntry = resultList.value( p.value("r").toString(), QStringList());
// now set / add each queried value into the StringList
if (curEntry.isEmpty() ) {
curEntry << p.value("star").toString() << p.value("title").toString()
<< p.value("date").toString() << p.value("publication").toString() << p.value("r").toString();
}
else {
QString star = p.value("star").toString();
if(!star.isEmpty())
curEntry[Column_StarRate] = star;
QString title = p.value("title").toString();
if(!title.isEmpty())
curEntry[Column_Title] = title;
QString date = p.value("date").toString();
if( !date.isEmpty() )
curEntry[Column_Date] = date;
QString publication = p.value("publication").toString();
if(!publication.isEmpty() && !curEntry[Column_Publication] .contains(publication)) {
//create content for the HTMLDelegate looks a lot better when several entries are being displayed
curEntry[Column_Publication] = curEntry[Column_Publication].append("• ");
curEntry[Column_Publication] = curEntry[Column_Publication].append(publication);
curEntry[Column_Publication] = curEntry[Column_Publication].append("<br/>");
}
}
// and save the result back into the map
if(p.value("r").isEmpty()) {
Q_ASSERT(!uri.isEmpty());
resultList.insert(uri.toString(), curEntry);
}
else {
resultList.insert(p.value("r").toString(), curEntry);
}
}
// now create the cache entries from all returned search results
QList<CachedRowEntry> newCache;
QMapIterator<QString, QStringList> i(resultList);
while (i.hasNext()) {
i.next();
CachedRowEntry cre;
cre.uri = QUrl( i.key() );
cre.displayColums = createDisplayData(i.value());
cre.decorationColums = createDecorationData(i.value());
cre.resource = Nepomuk2::Resource::fromResourceUri( cre.uri );
cre.timestamp = QDateTime::currentDateTime();
cre.resourceType = 0; //Unused
newCache.append(cre);
}
return newCache;
}