/*****************************************************************************
* Copyright (C) 2019 VLC authors and VideoLAN
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* ( at your option ) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#include "mlartistmodel.hpp"
MLArtistModel::MLArtistModel(QObject *parent)
: MLBaseModel(parent)
{
}
QVariant MLArtistModel::itemRoleData(const MLItem *item, const int role) const
{
const MLArtist* ml_artist = static_cast<const MLArtist *>(item);
assert( ml_artist );
switch (role)
{
case ARTIST_ID :
return QVariant::fromValue( ml_artist->getId() );
case ARTIST_NAME :
return QVariant::fromValue( ml_artist->getName() );
case ARTIST_SHORT_BIO :
return QVariant::fromValue( ml_artist->getShortBio() );
case ARTIST_COVER :
return QVariant::fromValue( ml_artist->getCover() );
case ARTIST_NB_ALBUMS :
return QVariant::fromValue( ml_artist->getNbAlbums() );
case ARTIST_NB_TRACKS :
return QVariant::fromValue( ml_artist->getNbTracks() );
default :
return QVariant();
}
}
QHash<int, QByteArray> MLArtistModel::roleNames() const
{
return {
{ ARTIST_ID, QByteArrayLiteral("id") },
{ ARTIST_NAME, QByteArrayLiteral("name") },
{ ARTIST_SHORT_BIO, QByteArrayLiteral("short_bio") },
{ ARTIST_COVER, QByteArrayLiteral("cover") },
{ ARTIST_NB_ALBUMS, QByteArrayLiteral("nb_albums") },
{ ARTIST_NB_TRACKS, QByteArrayLiteral("nb_tracks") }
};
}
vlc_ml_sorting_criteria_t MLArtistModel::nameToCriteria(QByteArray name) const
{
return QHash<QByteArray, vlc_ml_sorting_criteria_t> {
{QByteArrayLiteral("name"), VLC_ML_SORTING_ALPHA},
{QByteArrayLiteral("nb_tracks"), VLC_ML_SORTING_TRACKNUMBER},
}.value(name, VLC_ML_SORTING_DEFAULT);
}
void MLArtistModel::onVlcMlEvent(const MLEvent &event)
{
switch (event.i_type)
{
case VLC_ML_EVENT_ARTIST_ADDED:
emit resetRequested();
return;
case VLC_ML_EVENT_ARTIST_UPDATED:
{
MLItemId itemId(event.modification.i_entity_id, VLC_ML_PARENT_UNKNOWN);
updateItemInCache(itemId);
return;
}
case VLC_ML_EVENT_ARTIST_DELETED:
{
MLItemId itemId(event.deletion.i_entity_id, VLC_ML_PARENT_UNKNOWN);
deleteItemInCache(itemId);
return;
}
case VLC_ML_EVENT_GENRE_DELETED:
if ( m_parent.id != 0 && m_parent.type == VLC_ML_PARENT_GENRE &&
m_parent.id == event.deletion.i_entity_id )
emit resetRequested();
return;
}
MLBaseModel::onVlcMlEvent(event);
}
std::unique_ptr<MLListCacheLoader>
MLArtistModel::createMLLoader() const
{
return std::make_unique<MLListCacheLoader>(m_mediaLib, std::make_shared<MLArtistModel::Loader>(*this));
}
size_t MLArtistModel::Loader::count(vlc_medialibrary_t* ml, const vlc_ml_query_params_t* queryParams) const
{
if ( m_parent.id <= 0 )
return vlc_ml_count_artists(ml, queryParams, false);
return vlc_ml_count_artists_of(ml, queryParams, m_parent.type, m_parent.id );
}
std::vector<std::unique_ptr<MLItem>>
MLArtistModel::Loader::load(vlc_medialibrary_t* ml, const vlc_ml_query_params_t* queryParams) const
{
ml_unique_ptr<vlc_ml_artist_list_t> artist_list;
if ( m_parent.id <= 0 )
artist_list.reset( vlc_ml_list_artists(ml, queryParams, false) );
else
artist_list.reset( vlc_ml_list_artist_of(ml, queryParams, m_parent.type, m_parent.id) );
if ( artist_list == nullptr )
return {};
std::vector<std::unique_ptr<MLItem>> res;
for( const vlc_ml_artist_t& artist: ml_range_iterate<vlc_ml_artist_t>( artist_list ) )
res.emplace_back( std::make_unique<MLArtist>( &artist ) );
return res;
}
std::unique_ptr<MLItem>
MLArtistModel::Loader::loadItemById(vlc_medialibrary_t* ml, MLItemId itemId) const
{
assert(itemId.type == VLC_ML_PARENT_ARTIST);
ml_unique_ptr<vlc_ml_artist_t> artist(vlc_ml_get_artist(ml, itemId.id));
if (!artist)
return nullptr;
return std::make_unique<MLArtist>(artist.get());
}
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(vorverarbeitet am 2026-11-04)
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