void ListEngine::setModel(MediaItemModel * mediaItemModel)
{
m_mediaItemModel = mediaItemModel;
connect(this,
SIGNAL(results(QString,QList<OldMediaItem>,MediaListProperties,bool,QString)),
m_mediaItemModel,
SLOT(addResults(QString,QList<OldMediaItem>,MediaListProperties,bool,QString)));
connect(this,
SIGNAL(updateMediaItems(QList<OldMediaItem>)),
m_mediaItemModel,
SLOT(updateMediaItems(QList<OldMediaItem>)));
connect(this,
SIGNAL(updateMediaItem(OldMediaItem)),
m_mediaItemModel,
SLOT(updateMediaItem(OldMediaItem)));
connect(this,
SIGNAL(updateArtwork(QImage,OldMediaItem)),
m_mediaItemModel,
SLOT(updateArtwork(QImage,OldMediaItem)));
connect(this,
SIGNAL(updateMediaListPropertiesCategoryArtwork(QImage,OldMediaItem)),
m_mediaItemModel,
SLOT(updateMediaListPropertiesCategoryArtwork(QImage,OldMediaItem)));
connect(this,
SIGNAL(updateStatus(QHash<QString,QVariant>)),
m_mediaItemModel,
SLOT(updateStatus(QHash<QString,QVariant>)));
connect(this,
SIGNAL(loadOtherEngine(MediaListProperties,QString,QString)),
m_parent,
SLOT(load(MediaListProperties,QString,QString)));
}
void SavedListsEngine::run()
{
QThread::setTerminationEnabled(true);
m_stop = false;
if (m_updateSourceInfo || m_removeSourceInfo) {
NepomukListEngine::run();
return;
}
QList<MediaItem> mediaList;
if (m_mediaListProperties.engineArg().isEmpty() && !m_mediaListProperties.engineFilter().isEmpty()) {
MediaListProperties mediaListProperties = m_mediaListProperties;
mediaListProperties.lri = m_mediaListProperties.engineFilter();
kDebug() << mediaListProperties.lri;
emit loadOtherEngine(mediaListProperties, m_requestSignature, m_subRequestSignature);
m_requestSignature = QString();
m_subRequestSignature = QString();
return;
}
if (!m_mediaListProperties.engineArg().isEmpty()) {
QString workingDir;
QFile file(KStandardDirs::locateLocal("data", QString("bangarang/%1").arg(m_mediaListProperties.engineArg()), false));
if (file.exists()) {
if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
emit results(m_requestSignature, mediaList, m_mediaListProperties, true, m_subRequestSignature);
return;
}
} else {
KUrl url(m_mediaListProperties.engineArg());
workingDir = url.directory(KUrl::AppendTrailingSlash);
file.setFileName(url.path());
if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
emit results(m_requestSignature, mediaList, m_mediaListProperties, true, m_subRequestSignature);
return;
}
}
//Make sure it's a valid M3U fileref
QTextStream in(&file);
bool valid = false;
bool isM3U = false;
bool isPLS = false;
if (!in.atEnd()) {
QString line = in.readLine();
if (line.trimmed() == "#EXTM3U") {
valid = true;
isM3U = true;
} else if (line.trimmed() == "[playlist]") {
valid = true;
isPLS = true;
}
}
//Create a MediaItem for each entry
if (valid) {
while (!in.atEnd()) {
if (m_stop) {
return;
}
QString line = in.readLine();
QString title;
QString url;
int duration = 0;
//Read playlist entry to get title and url
if ((isM3U) && line.startsWith("#EXTINF:")) {
line = line.replace("#EXTINF:","");
QStringList durTitle = line.split(",");
if (durTitle.count() == 1) {
//No title
title = durTitle.at(0);
} else {
duration = durTitle.at(0).toInt();
title = durTitle.at(1);
}
url = in.readLine().trimmed();
} else if ((isPLS) && line.startsWith("File")) {
url = line.mid(line.indexOf("=") + 1).trimmed();
if (!in.atEnd()) {
line = in.readLine();
title = line.mid(line.indexOf("=") + 1).trimmed();
}
if (!in.atEnd()) {
line = in.readLine();
duration = line.mid(line.indexOf("=") + 1).trimmed().toInt();
}
}
//Create a basic mediaItem for each entry
MediaItem mediaItem;
KUrl itemUrl(workingDir, url);
if (!url.isEmpty()) {
if (!title.isEmpty()) {
mediaItem.title = title;
} else {
mediaItem.title = itemUrl.fileName();
}
mediaItem.fields["title"] = mediaItem.title;
mediaItem.url = itemUrl.prettyUrl();
mediaItem.fields["url"] = mediaItem.url;
if (Utilities::isVideo(mediaItem.url)) {
mediaItem.type = "Video";
mediaItem.artwork = KIcon("video-x-generic");
mediaItem.fields["videoType"] = "Video Clip";
} else {
mediaItem.type = "Audio";
mediaItem.artwork = KIcon("audio-x-generic");
mediaItem.fields["audioType"] = "Audio Clip";
}
if ((duration > 0) && (mediaItem.fields["duration"].toInt() <= 0)) {
mediaItem.duration = Utilities::durationString(duration);
mediaItem.fields["duration"] = duration;
} else if (duration == -1) {
mediaItem.duration = QString();
mediaItem.fields["audioType"] = "Audio Stream";
}
mediaList << mediaItem;
}
}
}
}
m_mediaListProperties.summary = i18np("1 item", "%1 items", mediaList.count());
emit results(m_requestSignature, mediaList, m_mediaListProperties, true, m_subRequestSignature);
//Get more detailed mediaItem info
for (int i = 0; i < mediaList.count(); i++) {
if (m_stop) {
return;
}
MediaItem detailedMediaItem = Utilities::mediaItemFromUrl(KUrl(mediaList.at(i).url));
emit updateMediaItem(detailedMediaItem);
}
//Check if MediaItems in mediaList exist
QList<MediaItem> mediaItems = Utilities::mediaItemsDontExist(mediaList);
if (mediaItems.count() > 0) {
emit updateMediaItems(mediaItems);
}
m_requestSignature = QString();
m_subRequestSignature = QString();
}
void SemanticsListEngine::run()
{
QThread::setTerminationEnabled(true);
m_stop = false;
if (m_updateSourceInfo || m_removeSourceInfo) {
NepomukListEngine::run();
return;
}
//Create media list based on engine argument and filter
QList<MediaItem> mediaList;
MediaVocabulary mediaVocabulary = MediaVocabulary();
QString engineArg = m_mediaListProperties.engineArg();
QString engineFilter = m_mediaListProperties.engineFilter();
QStringList engineFilterList = m_mediaListProperties.engineFilterList();
//Parse filter
QString mediaType;
QString groupByCategoryType;
QString groupByField;
QString limitFilter;
int originalGenreLimit = 0;
if (engineFilterList.count() != 0) {
mediaType = engineFilterList.at(0);
if (engineFilterList.filter("groupBy=").count() != 0) {
QString groupByFilter = engineFilterList.filter("groupBy=").at(0);
groupByField = groupByFilter.remove("groupBy=").trimmed();
if (groupByField == "artist") {
groupByCategoryType = "Artist";
} else if (groupByField == "album") {
groupByCategoryType = "Album";
} else if (groupByField == "genre") {
if (mediaType == "audio") {
groupByCategoryType = "AudioGenre";
} else if (mediaType == "video") {
groupByCategoryType = "VideoGenre";
}
} else if (groupByField == "seriesName") {
groupByCategoryType = "TV Series";
} else if (groupByField == "actor") {
groupByCategoryType = "Actor";
} else if (groupByField == "director") {
groupByCategoryType = "Director";
} else if (groupByField == "tag") {
if (mediaType == "audio") {
groupByCategoryType = "AudioTag";
} else if (mediaType == "video") {
groupByCategoryType = "VideoTag";
}
}
}
if (engineFilterList.filter("limit=").count() !=0) {
limitFilter = engineFilterList.filter("limit=").at(0);
if (groupByField == "genre") {
originalGenreLimit = m_mediaListProperties.filterValue(limitFilter).trimmed().toInt();
int originalFilterIndex = engineFilterList.indexOf(limitFilter);
limitFilter = QString("%1%2%3").arg(m_mediaListProperties.filterField(limitFilter))
.arg(m_mediaListProperties.filterOperator(limitFilter))
.arg(m_mediaListProperties.filterValue(limitFilter).trimmed().toInt()*3);
engineFilterList.replace(originalFilterIndex, limitFilter);
}
}
}
if (m_nepomukInited) {
if (engineArg.toLower() == "frequent") {
mediaList.clear();
if (mediaType == "audio" || mediaType == "video") {
MediaQuery query;
bool ignoreZeros = false;
if (groupByCategoryType.isEmpty()) {
QStringList bindings;
bindings.append(mediaVocabulary.mediaResourceBinding());
bindings.append(mediaVocabulary.mediaResourceUrlBinding());
bindings.append(mediaVocabulary.playCountBinding());
query.select(bindings, MediaQuery::Distinct);
query.startWhere();
if (mediaType == "audio") {
query.addCondition(mediaVocabulary.hasTypeAnyAudio(MediaQuery::Required));
} else if (mediaType == "video") {
query.addCondition(mediaVocabulary.hasTypeAnyVideo(MediaQuery::Required));
}
query.addLRIFilterConditions(engineFilterList, mediaVocabulary);
if (m_mediaListProperties.filterForField("playCount").isEmpty()) {
query.addCondition(mediaVocabulary.hasPlayCount(MediaQuery::Required, 0, MediaQuery::GreaterThan));
ignoreZeros = true;
}
query.addCondition(mediaVocabulary.hasLastPlayed(MediaQuery::Optional));
query.endWhere();
QStringList orderByBindings;
QList<MediaQuery::Order> order;
orderByBindings.append(mediaVocabulary.playCountBinding());
order.append(MediaQuery::Descending);
orderByBindings.append(mediaVocabulary.lastPlayedBinding());
order.append(MediaQuery::Descending);
query.orderBy(orderByBindings, order);
} else {
QStringList bindings;
//NOTE:query.addLRIFilterConditions will automatically add
//the groupBy field name to the binding list.
QString groupByResourceBinding = MediaVocabulary::resourceBindingForCategory(groupByCategoryType);
if (!groupByResourceBinding.isEmpty()) {
bindings.append(groupByResourceBinding);
}
bindings.append(query.fieldBindingDictionary[groupByField]);
bindings.append(MediaQuery::aggregateBinding(mediaVocabulary.playCountBinding(), MediaQuery::Sum));
query.select(bindings, MediaQuery::Distinct);
query.startWhere();
MediaQuery subQuery;
QStringList subBindings;
subBindings.append(mediaVocabulary.playCountBinding());
subBindings.append(mediaVocabulary.mediaResourceBinding());
subQuery.select(subBindings, MediaQuery::Distinct);
subQuery.startWhere();
if (mediaType == "audio") {
subQuery.addCondition(mediaVocabulary.hasTypeAnyAudio(MediaQuery::Required));
} else if (mediaType == "video") {
subQuery.addCondition(mediaVocabulary.hasTypeAnyVideo(MediaQuery::Required));
}
if (m_mediaListProperties.filterForField("playCount").isEmpty()) {
subQuery.addCondition(mediaVocabulary.hasPlayCount(MediaQuery::Required, 0, MediaQuery::GreaterThan));
ignoreZeros = true;
}
QStringList subQueryLRIFilterList = engineFilterList;
subQueryLRIFilterList.removeAll(limitFilter);
subQuery.addLRIFilterConditions(subQueryLRIFilterList, mediaVocabulary);
subQuery.endWhere();
query.addSubQuery(subQuery);
query.endWhere();
query.addLRIFilterCondition(limitFilter, mediaVocabulary);
QStringList orderByBindings;
QList<MediaQuery::Order> order;
orderByBindings.append(QString("%1_sum").arg(mediaVocabulary.playCountBinding()));
order.append(MediaQuery::Descending);
query.orderBy(orderByBindings, order);
}
Soprano::QueryResultIterator it = query.executeSelect(m_mainModel);
//Build media list from results
while( it.next() ) {
if (m_stop) {
return;
}
MediaItem mediaItem;
if (groupByCategoryType.isEmpty()) {
Nepomuk::Resource res = Nepomuk::Resource(it.binding(mediaVocabulary.mediaResourceBinding()).uri());
mediaItem = Utilities::mediaItemFromNepomuk(res, m_mediaListProperties.lri);
mediaItem.semanticComment = i18np("played once", "played %1 times", mediaItem.fields["playCount"].toInt());
} else {
mediaItem = Utilities::categoryMediaItemFromIterator(it, groupByCategoryType, m_mediaListProperties.lri);
int playCount = it.binding(QString("%1_sum").arg(mediaVocabulary.playCountBinding())).literal().toInt();
mediaItem.semanticComment = i18np("played once", "played %1 times", playCount);
mediaItem.fields["playCount"] = playCount;
}
if (!mediaItem.url.startsWith("nepomuk:/")) {
if ((ignoreZeros && mediaItem.fields["playCount"].toInt() > 0) ||
!ignoreZeros) {
if (groupByCategoryType == "AudioGenre") {
addUniqueGenreGroup("playCount", mediaItem, &mediaList, originalGenreLimit);
} else {
mediaList.append(mediaItem);
}
}
}
}
m_mediaListProperties.name = i18n("Frequently Played");
m_mediaListProperties.type = QString("Sources");
}
}
if (engineArg.toLower() == "recent") {
mediaList.clear();
if (!mediaType.isEmpty()) {
MediaQuery query;
QStringList bindings;
if (groupByCategoryType.isEmpty()) {
bindings.append(mediaVocabulary.mediaResourceBinding());
bindings.append(mediaVocabulary.mediaResourceUrlBinding());
bindings.append(mediaVocabulary.lastPlayedBinding());
} else {
//NOTE:query.addLRIFilterConditions will automatically add
//the groupBy field name to the binding list.
QString groupByResourceBinding = MediaVocabulary::resourceBindingForCategory(groupByCategoryType);
if (!groupByResourceBinding.isEmpty()) {
bindings.append(groupByResourceBinding);
}
bindings.append(MediaQuery::aggregateBinding(mediaVocabulary.lastPlayedBinding(), MediaQuery::Max));
}
query.select(bindings, MediaQuery::Distinct);
query.startWhere();
if (mediaType == "audio") {
query.addCondition(mediaVocabulary.hasTypeAnyAudio(MediaQuery::Required));
} else if (mediaType == "video") {
query.addCondition(mediaVocabulary.hasTypeAnyVideo(MediaQuery::Required));
}
query.addLRIFilterConditions(engineFilterList, mediaVocabulary);
query.addCondition(mediaVocabulary.hasLastPlayed(MediaQuery::Required));
query.endWhere();
QStringList orderByBindings;
QList<MediaQuery::Order> order;
if (groupByCategoryType.isEmpty()) {
orderByBindings.append(mediaVocabulary.lastPlayedBinding());
} else {
orderByBindings.append(QString("%1_max").arg(mediaVocabulary.lastPlayedBinding()));
}
order.append(MediaQuery::Descending);
query.orderBy(orderByBindings, order);
Soprano::QueryResultIterator it = query.executeSelect(m_mainModel);
//Build media list from results
while( it.next() ) {
if (m_stop) {
return;
}
MediaItem mediaItem;
if (groupByCategoryType.isEmpty()) {
Nepomuk::Resource res = Nepomuk::Resource(it.binding(mediaVocabulary.mediaResourceBinding()).uri());
mediaItem = Utilities::mediaItemFromNepomuk(res, m_mediaListProperties.lri);
mediaItem.fields["lastPlayed"] = it.binding(mediaVocabulary.lastPlayedBinding()).literal().toDateTime();
} else {
mediaItem = Utilities::categoryMediaItemFromIterator(it, groupByCategoryType, m_mediaListProperties.lri);
mediaItem.fields["lastPlayed"] = it.binding(QString("%1_max").arg(mediaVocabulary.lastPlayedBinding())).literal().toDateTime();
}
mediaItem.semanticComment = Utilities::wordsForTimeSince(mediaItem.fields["lastPlayed"].toDateTime());
if (!mediaItem.url.startsWith("nepomuk:/")) {
if (groupByCategoryType == "AudioGenre") {
addUniqueGenreGroup("lastPlayed", mediaItem, &mediaList, originalGenreLimit);
} else {
mediaList.append(mediaItem);
}
}
}
m_mediaListProperties.name = i18n("Recently Played");
m_mediaListProperties.type = QString("Sources");
}
}
if (engineArg.toLower() == "highest") {
mediaList.clear();
if (!mediaType.isEmpty()) {
bool ignoreZeros = false;
MediaQuery query;
QStringList bindings;
if (groupByCategoryType.isEmpty()) {
bindings.append(mediaVocabulary.mediaResourceBinding());
bindings.append(mediaVocabulary.mediaResourceUrlBinding());
bindings.append(mediaVocabulary.ratingBinding());
} else {
//NOTE:query.addLRIFilterConditions will automatically add
//the groupBy field name to the binding list.
QString groupByResourceBinding = MediaVocabulary::resourceBindingForCategory(groupByCategoryType);
if (!groupByResourceBinding.isEmpty()) {
bindings.append(groupByResourceBinding);
}
bindings.append(MediaQuery::aggregateBinding(mediaVocabulary.ratingBinding(), MediaQuery::Sum));
bindings.append(MediaQuery::aggregateBinding(mediaVocabulary.ratingBinding(), MediaQuery::Count));
}
query.select(bindings, MediaQuery::Distinct);
query.startWhere();
if (mediaType == "audio") {
query.addCondition(mediaVocabulary.hasTypeAnyAudio(MediaQuery::Required));
} else if (mediaType == "video") {
query.addCondition(mediaVocabulary.hasTypeAnyVideo(MediaQuery::Required));
}
query.addLRIFilterConditions(engineFilterList, mediaVocabulary);
if (m_mediaListProperties.filterForField("rating").isEmpty()) {
query.addCondition(mediaVocabulary.hasRating(MediaQuery::Required, 0, MediaQuery::GreaterThan));
ignoreZeros = true;
}
query.addCondition(mediaVocabulary.hasPlayCount(MediaQuery::Optional));
query.endWhere();
QStringList orderByBindings;
QList<MediaQuery::Order> order;
if (groupByCategoryType.isEmpty()) {
orderByBindings.append(mediaVocabulary.ratingBinding());
order.append(MediaQuery::Descending);
orderByBindings.append(mediaVocabulary.playCountBinding());
order.append(MediaQuery::Descending);
} else {
orderByBindings.append(QString("%1_sum").arg(mediaVocabulary.ratingBinding()));
order.append(MediaQuery::Descending);
order.append(MediaQuery::Descending);
}
query.orderBy(orderByBindings, order);
Soprano::QueryResultIterator it = query.executeSelect(m_mainModel);
//Build media list from results
while( it.next() ) {
if (m_stop) {
return;
}
MediaItem mediaItem;
if (groupByCategoryType.isEmpty()) {
Nepomuk::Resource res = Nepomuk::Resource(it.binding(mediaVocabulary.mediaResourceBinding()).uri());
mediaItem = Utilities::mediaItemFromNepomuk(res, m_mediaListProperties.lri);
} else {
mediaItem = Utilities::categoryMediaItemFromIterator(it, groupByCategoryType, m_mediaListProperties.lri);
int sum = it.binding(QString("%1_sum").arg(mediaVocabulary.ratingBinding())).literal().toInt();
int count = it.binding(QString("%1_count").arg(mediaVocabulary.ratingBinding())).literal().toInt();
int rating = sum/count;
mediaItem.fields["rating"] = rating;
}
if (!mediaItem.url.startsWith("nepomuk:/")) {
if ((ignoreZeros && mediaItem.fields["rating"].toInt() > 0) ||
!ignoreZeros) {
if (groupByCategoryType == "AudioGenre") {
addUniqueGenreGroup("rating", mediaItem, &mediaList, originalGenreLimit);
} else {
mediaList.append(mediaItem);
}
}
}
}
m_mediaListProperties.name = i18n("Highest Rated");
m_mediaListProperties.type = QString("Sources");
}
}
if (engineArg.toLower() == "recentlyadded") {
mediaList.clear();
if (!mediaType.isEmpty()) {
MediaQuery query;
QStringList bindings;
bindings.append(mediaVocabulary.mediaResourceBinding());
bindings.append("added");
query.select(bindings, MediaQuery::Distinct);
query.startWhere();
query.addCondition("graph ?g { ");
if (mediaType == "audio") {
query.addCondition(mediaVocabulary.hasTypeAnyAudio(MediaQuery::Required));
} else if (mediaType == "video") {
query.addCondition(mediaVocabulary.hasTypeAnyVideo(MediaQuery::Required));
}
query.addLRIFilterConditions(engineFilterList, mediaVocabulary);
query.addCondition("} ");
query.addCondition("?g nao:created ?added . ");
query.endWhere();
QStringList orderByBindings;
QList<MediaQuery::Order> order;
orderByBindings.append("added");
order.append(MediaQuery::Descending);
query.orderBy(orderByBindings, order);
Soprano::QueryResultIterator it = query.executeSelect(m_mainModel);
//Build media list from results
while( it.next() ) {
if (m_stop) {
return;
}
MediaItem mediaItem;
QDateTime added = it.binding("added").literal().toDateTime();
Nepomuk::Resource res = Nepomuk::Resource(it.binding(mediaVocabulary.mediaResourceBinding()).uri());
mediaItem = Utilities::mediaItemFromNepomuk(res, m_mediaListProperties.lri);
mediaItem.semanticComment = i18nc("for example, added 3 days ago", "added %1", Utilities::wordsForTimeSince(added));
if (!mediaItem.url.startsWith("nepomuk:/")) {
mediaList.append(mediaItem);
}
}
m_mediaListProperties.name = i18n("Recently Added");
m_mediaListProperties.type = QString("Sources");
}
}
}
emit results(m_requestSignature, mediaList, m_mediaListProperties, true, m_subRequestSignature);
//Check if MediaItems in mediaList exist
QList<MediaItem> mediaItems = Utilities::mediaItemsDontExist(mediaList);
if (mediaItems.count() > 0) {
emit updateMediaItems(mediaItems);
} else {
//Get any remaining metadata for mediaItems
if (mediaType == "video") {
for (int i = 0; i < mediaList.count(); i++) {
if (m_stop) {
return;
}
MediaItem mediaItem = Utilities::completeMediaItem(mediaList.at(i));
emit updateMediaItem(mediaItem);
}
}
}
m_requestSignature = QString();
m_subRequestSignature = QString();
}
