QVariant PodcastParser::Load(QIODevice* device, const QUrl& url) const {
QXmlStreamReader reader(device);
while (!reader.atEnd()) {
switch (reader.readNext()) {
case QXmlStreamReader::StartElement: {
const QStringRef name = reader.name();
if (name == "rss") {
Podcast podcast;
if (!ParseRss(&reader, &podcast)) {
return QVariant();
} else {
podcast.set_url(url);
return QVariant::fromValue(podcast);
}
} else if (name == "opml") {
OpmlContainer container;
if (!ParseOpml(&reader, &container)) {
return QVariant();
} else {
container.url = url;
return QVariant::fromValue(container);
}
}
return QVariant();
}
default:
break;
}
}
return QVariant();
}
void PodcastService::CopyToDevice(const QModelIndexList& episode_indexes,
const QModelIndexList& podcast_indexes) {
PodcastEpisode episode_tmp;
SongList songs;
PodcastEpisodeList episodes;
Podcast podcast;
for (const QModelIndex& index : episode_indexes) {
episode_tmp = index.data(Role_Episode).value<PodcastEpisode>();
if (episode_tmp.downloaded()) episodes << episode_tmp;
}
for (const QModelIndex& podcast : podcast_indexes) {
for (int i = 0; i < podcast.model()->rowCount(podcast); ++i) {
const QModelIndex& index = podcast.child(i, 0);
episode_tmp = index.data(Role_Episode).value<PodcastEpisode>();
if (episode_tmp.downloaded() && !episode_tmp.listened())
episodes << episode_tmp;
}
}
for (const PodcastEpisode& episode : episodes) {
podcast = backend_->GetSubscriptionById(episode.podcast_database_id());
songs.append(episode.ToSong(podcast));
}
organise_dialog_->SetDestinationModel(
app_->device_manager()->connected_devices_model(), true);
organise_dialog_->SetCopy(true);
if (organise_dialog_->SetSongs(songs)) organise_dialog_->show();
}
void PodcastBackend::Unsubscribe(const Podcast& podcast) {
// If this podcast is not already in the database, do nothing
if (!podcast.is_valid()) {
return;
}
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
ScopedTransaction t(&db);
// Remove the podcast.
QSqlQuery q("DELETE FROM podcasts WHERE ROWID = :id", db);
q.bindValue(":id", podcast.database_id());
q.exec();
if (db_->CheckErrors(q)) return;
// Remove all episodes in the podcast
q = QSqlQuery("DELETE FROM podcast_episodes WHERE podcast_id = :id", db);
q.bindValue(":id", podcast.database_id());
q.exec();
if (db_->CheckErrors(q)) return;
t.Commit();
emit SubscriptionRemoved(podcast);
}
Song PodcastEpisode::ToSong(const Podcast& podcast) const {
Song ret;
ret.set_valid(true);
ret.set_title(title().simplified());
ret.set_artist(author().simplified());
ret.set_length_nanosec(kNsecPerSec * duration_secs());
ret.set_year(publication_date().date().year());
ret.set_comment(description());
if (downloaded() && QFile::exists(local_url().toLocalFile())) {
ret.set_url(local_url());
} else {
ret.set_url(url());
}
ret.set_basefilename(QFileInfo(ret.url().path()).fileName());
// Use information from the podcast if it's set
if (podcast.is_valid()) {
ret.set_album(podcast.title().simplified());
ret.set_art_automatic(podcast.ImageUrlLarge().toString());
}
return ret;
}
void PodcastInfoWidget::SetPodcast(const Podcast& podcast) {
if (image_id_) {
app_->album_cover_loader()->CancelTask(image_id_);
image_id_ = 0;
}
podcast_ = podcast;
if (podcast.ImageUrlLarge().isValid()) {
// Start loading an image for this item.
image_id_ = app_->album_cover_loader()->LoadImageAsync(
cover_options_, podcast.ImageUrlLarge().toString(), QString());
}
ui_->image->hide();
SetText(podcast.title(), ui_->title);
SetText(podcast.description(), ui_->description);
SetText(podcast.copyright(), ui_->copyright, ui_->copyright_label);
SetText(podcast.author(), ui_->author, ui_->author_label);
SetText(podcast.owner_name(), ui_->owner, ui_->owner_label);
SetText(podcast.link().toString(), ui_->website, ui_->website_label);
SetText(podcast.extra("gpodder:subscribers").toString(), ui_->subscribers, ui_->subscribers_label);
if (!image_id_) {
emit LoadingFinished();
}
}
void GPodderSearchPage::SearchFinished(mygpo::PodcastListPtr list) {
emit Busy(false);
model()->clear();
for (mygpo::PodcastPtr gpo_podcast : list->list()) {
Podcast podcast;
podcast.InitFromGpo(gpo_podcast.data());
model()->appendRow(model()->CreatePodcastItem(podcast));
}
}
void PodcastParser::ParseOutline(QXmlStreamReader* reader, OpmlContainer* ret) const {
while (!reader->atEnd()) {
QXmlStreamReader::TokenType type = reader->readNext();
switch (type) {
case QXmlStreamReader::StartElement: {
const QStringRef name = reader->name();
if (name != "outline") {
Utilities::ConsumeCurrentElement(reader);
continue;
}
QXmlStreamAttributes attributes = reader->attributes();
if (attributes.value("type").toString() == "rss") {
// Parse the feed and add it to this container
Podcast podcast;
podcast.set_description(attributes.value("description").toString());
podcast.set_title(attributes.value("text").toString());
podcast.set_image_url_large(QUrl::fromEncoded(attributes.value("imageHref").toString().toAscii()));
podcast.set_url(QUrl::fromEncoded(attributes.value("xmlUrl").toString().toAscii()));
ret->feeds.append(podcast);
// Consume any children and the EndElement.
Utilities::ConsumeCurrentElement(reader);
} else {
// Create a new child container
OpmlContainer child;
// Take the name from the fullname attribute first if it exists.
child.name = attributes.value("fullname").toString();
if (child.name.isEmpty()) {
child.name = attributes.value("text").toString();
}
// Parse its contents and add it to this container
ParseOutline(reader, &child);
ret->containers.append(child);
}
break;
}
case QXmlStreamReader::EndElement:
return;
default:
break;
}
}
}
void PodcastUpdater::PodcastLoaded(PodcastUrlLoaderReply* reply, const Podcast& podcast,
bool one_of_many) {
reply->deleteLater();
if (one_of_many) {
if (--pending_replies_ == 0) {
// This was the last reply we were waiting for. Save this time as being
// the last sucessful update and restart the timer.
last_full_update_ = QDateTime::currentDateTime();
SaveSettings();
RestartTimer();
}
}
if (!reply->is_success()) {
qLog(Warning) << "Error fetching podcast at" << podcast.url() << ":"
<< reply->error_text();
return;
}
if (reply->result_type() != PodcastUrlLoaderReply::Type_Podcast) {
qLog(Warning) << "The URL" << podcast.url() << "no longer contains a podcast";
return;
}
// Get the episode URLs we had for this podcast already.
QSet<QUrl> existing_urls;
foreach (const PodcastEpisode& episode,
app_->podcast_backend()->GetEpisodes(podcast.database_id())) {
existing_urls.insert(episode.url());
}
// Add any new episodes
PodcastEpisodeList new_episodes;
foreach (const Podcast& reply_podcast, reply->podcast_results()) {
foreach (const PodcastEpisode& episode, reply_podcast.episodes()) {
if (!existing_urls.contains(episode.url())) {
PodcastEpisode episode_copy(episode);
episode_copy.set_podcast_database_id(podcast.database_id());
new_episodes.append(episode_copy);
}
}
}
app_->podcast_backend()->AddEpisodes(&new_episodes);
qLog(Info) << "Added" << new_episodes.count() << "new episodes for" << podcast.url();
}
void PodcastUpdater::SubscriptionAdded(const Podcast& podcast) {
// Only update a new podcast immediately if it doesn't have an episode list.
// We assume that the episode list has already been fetched recently
// otherwise.
if (podcast.episodes().isEmpty()) {
UpdatePodcastNow(podcast);
}
}
Podcast PodcastBackend::GetSubscriptionByUrl(const QUrl& url) {
Podcast ret;
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
QSqlQuery q("SELECT ROWID, " + Podcast::kColumnSpec +
" FROM podcasts"
" WHERE url = :url",
db);
q.bindValue(":url", url.toEncoded());
q.exec();
if (!db_->CheckErrors(q) && q.next()) {
ret.InitFromQuery(q);
}
return ret;
}
Podcast PodcastBackend::GetSubscriptionById(int id) {
Podcast ret;
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
QSqlQuery q("SELECT ROWID, " + Podcast::kColumnSpec +
" FROM podcasts"
" WHERE ROWID = :id",
db);
q.bindValue(":id", id);
q.exec();
if (!db_->CheckErrors(q) && q.next()) {
ret.InitFromQuery(q);
}
return ret;
}
PodcastList PodcastBackend::GetAllSubscriptions() {
PodcastList ret;
QMutexLocker l(db_->Mutex());
QSqlDatabase db(db_->Connect());
QSqlQuery q("SELECT ROWID, " + Podcast::kColumnSpec + " FROM podcasts", db);
q.exec();
if (db_->CheckErrors(q)) return ret;
while (q.next()) {
Podcast podcast;
podcast.InitFromQuery(q);
ret << podcast;
}
return ret;
}
void PodcastService::CancelDownload(const QModelIndexList& episode_indexes,
const QModelIndexList& podcast_indexes) {
PodcastEpisode episode_tmp;
SongList songs;
PodcastEpisodeList episodes;
Podcast podcast;
for (const QModelIndex& index : episode_indexes) {
episode_tmp = index.data(Role_Episode).value<PodcastEpisode>();
episodes << episode_tmp;
}
for (const QModelIndex& podcast : podcast_indexes) {
for (int i = 0; i < podcast.model()->rowCount(podcast); ++i) {
const QModelIndex& index = podcast.child(i, 0);
episode_tmp = index.data(Role_Episode).value<PodcastEpisode>();
episodes << episode_tmp;
}
}
episodes = app_->podcast_downloader()->EpisodesDownloading(episodes);
app_->podcast_downloader()->cancelDownload(episodes);
}
void ITunesSearchPage::SearchFinished(QNetworkReply* reply) {
reply->deleteLater();
emit Busy(false);
model()->clear();
// Was there a network error?
if (reply->error() != QNetworkReply::NoError) {
QMessageBox::warning(this, tr("Failed to fetch podcasts"),
reply->errorString());
return;
}
QJson::Parser parser;
QVariant data = parser.parse(reply);
// Was it valid JSON?
if (data.isNull()) {
QMessageBox::warning(
this, tr("Failed to fetch podcasts"),
tr("There was a problem parsing the response from the iTunes Store"));
return;
}
// Was there an error message in the JSON?
if (data.toMap().contains("errorMessage")) {
QMessageBox::warning(this, tr("Failed to fetch podcasts"),
data.toMap()["errorMessage"].toString());
return;
}
for (const QVariant& result_variant : data.toMap()["results"].toList()) {
QVariantMap result(result_variant.toMap());
if (result["kind"].toString() != "podcast") {
continue;
}
Podcast podcast;
podcast.set_author(result["artistName"].toString());
podcast.set_title(result["trackName"].toString());
podcast.set_url(result["feedUrl"].toUrl());
podcast.set_link(result["trackViewUrl"].toUrl());
podcast.set_image_url_small(QUrl(result["artworkUrl30"].toString()));
podcast.set_image_url_large(QUrl(result["artworkUrl100"].toString()));
model()->appendRow(model()->CreatePodcastItem(podcast));
}
}
void PodcastUpdater::UpdatePodcastNow(const Podcast& podcast) {
PodcastUrlLoaderReply* reply = loader_->Load(podcast.url());
NewClosure(reply, SIGNAL(Finished(bool)),
this, SLOT(PodcastLoaded(PodcastUrlLoaderReply*,Podcast,bool)),
reply, podcast, false);
}
