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lms/src/lms/ui/explore/ArtistCollector.cpp
T

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3.8 KiB
C++

/*
* Copyright (C) 2021 Emeric Poupon
*
* This file is part of LMS.
*
* LMS 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 3 of the License, or
* (at your option) any later version.
*
* LMS 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 LMS. If not, see <http://www.gnu.org/licenses/>.
*/
#include "ArtistCollector.hpp"
#include "services/database/Artist.hpp"
#include "services/database/Session.hpp"
#include "services/database/TrackList.hpp"
#include "services/database/User.hpp"
#include "services/scrobbling/IScrobblingService.hpp"
#include "utils/Service.hpp"
#include "Filters.hpp"
#include "LmsApplication.hpp"
namespace UserInterface
{
using namespace Database;
RangeResults<ArtistId>
ArtistCollector::get(Database::Range range)
{
Scrobbling::IScrobblingService& scrobbling {*Service<Scrobbling::IScrobblingService>::get()};
range = getActualRange(range);
RangeResults<ArtistId> artists;
switch (getMode())
{
case Mode::Random:
artists = getRandomArtists(range);
break;
case Mode::Starred:
artists = scrobbling.getStarredArtists(LmsApp->getUserId(), getFilters().getClusterIds(), _linkType, ArtistSortMethod::StarredDateDesc, range);
break;
case Mode::RecentlyPlayed:
artists = scrobbling.getRecentArtists(LmsApp->getUserId(), getFilters().getClusterIds(), _linkType, range);
break;
case Mode::MostPlayed:
artists = scrobbling.getTopArtists(LmsApp->getUserId(), getFilters().getClusterIds(), _linkType, range);
break;
case Mode::RecentlyAdded:
{
Artist::FindParameters params;
params.setClusters(getFilters().getClusterIds());
params.setLinkType(_linkType);
params.setSortMethod(ArtistSortMethod::LastWritten);
params.setRange(range);
{
auto transaction {LmsApp->getDbSession().createSharedTransaction()};
artists = Artist::find(LmsApp->getDbSession(), params);
}
break;
}
case Mode::Search:
{
Artist::FindParameters params;
params.setClusters(getFilters().getClusterIds());
params.setKeywords(getSearchKeywords());
params.setLinkType(_linkType);
params.setSortMethod(ArtistSortMethod::BySortName);
params.setRange(range);
{
auto transaction {LmsApp->getDbSession().createSharedTransaction()};
artists = Artist::find(LmsApp->getDbSession(), params);
}
break;
}
case Mode::All:
{
Artist::FindParameters params;
params.setClusters(getFilters().getClusterIds());
params.setLinkType(_linkType);
params.setSortMethod(ArtistSortMethod::BySortName);
params.setRange(range);
{
auto transaction {LmsApp->getDbSession().createSharedTransaction()};
artists = Artist::find(LmsApp->getDbSession(), params);
}
break;
}
}
if (range.offset + range.size == getMaxCount())
artists.moreResults = false;
return artists;
}
RangeResults<Database::ArtistId>
ArtistCollector::getRandomArtists(Range range)
{
assert(getMode() == Mode::Random);
if (!_randomArtists)
{
Artist::FindParameters params;
params.setClusters(getFilters().getClusterIds());
params.setLinkType(_linkType);
params.setSortMethod(ArtistSortMethod::Random);
params.setRange(Range {0, getMaxCount()});
{
auto transaction {LmsApp->getDbSession().createSharedTransaction()};
_randomArtists = Artist::find(LmsApp->getDbSession(), params);
}
}
return _randomArtists->getSubRange(range);
}
} // ns UserInterface