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lms/src/libs/subsonic/impl/entrypoints/MediaAnnotation.cpp
T

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/*
* Copyright (C) 2023 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 "MediaAnnotation.hpp"
#include <variant>
#include <vector>
#include "core/Service.hpp"
#include "database/ArtistId.hpp"
#include "database/Release.hpp"
#include "database/ReleaseId.hpp"
#include "database/Session.hpp"
#include "database/TrackId.hpp"
#include "database/User.hpp"
#include "services/feedback/IFeedbackService.hpp"
#include "services/scrobbling/IScrobblingService.hpp"
#include "ParameterParsing.hpp"
#include "SubsonicId.hpp"
namespace lms::api::subsonic
{
using namespace db;
namespace
{
struct StarParameters
{
std::vector<ArtistId> artistIds;
std::vector<ReleaseId> releaseIds;
std::vector<TrackId> trackIds;
std::vector<DirectoryId> directoryIds;
};
StarParameters getStarParameters(const Wt::Http::ParameterMap& parameters)
{
StarParameters res;
// id could be either a trackId or a directory id
res.directoryIds = getMultiParametersAs<DirectoryId>(parameters, "id");
res.trackIds = getMultiParametersAs<TrackId>(parameters, "id");
res.artistIds = getMultiParametersAs<ArtistId>(parameters, "artistId");
res.releaseIds = getMultiParametersAs<ReleaseId>(parameters, "albumId");
return res;
}
ReleaseId getReleaseFromDirectory(Session& session, DirectoryId directory)
{
auto transaction{ session.createReadTransaction() };
Release::FindParameters params;
params.setDirectory(directory);
params.setRange(Range{ 0, 1 }); // consider one directory <-> one release
Release::pointer res;
Release::find(session, params, [&](const Release::pointer& release) {
res = release;
});
return res ? res->getId() : ReleaseId{};
}
struct RatingParameters
{
std::variant<ArtistId, ReleaseId, TrackId, DirectoryId> id;
std::optional<Rating> rating;
};
RatingParameters getRatingParameters(const Wt::Http::ParameterMap& parameters)
{
RatingParameters res;
if (const auto artistId{ getParameterAs<ArtistId>(parameters, "id") })
res.id = *artistId;
else if (const auto releaseId{ getParameterAs<ReleaseId>(parameters, "id") })
res.id = *releaseId;
else if (const auto trackId{ getParameterAs<TrackId>(parameters, "id") })
res.id = *trackId;
else if (const auto directoryId{ getParameterAs<DirectoryId>(parameters, "id") })
res.id = *directoryId;
else
throw RequiredParameterMissingError{ "id" };
const int rating = getMandatoryParameterAs<int>(parameters, "rating"); // The rating between 1 and 5 (inclusive), or 0 to remove the rating
if (rating < 0 || rating > 5)
throw BadParameterGenericError{ "rating must be 0 or in range 1-5" };
if (rating > 0)
res.rating = rating;
return res;
}
} // namespace
Response handleStarRequest(RequestContext& context)
{
StarParameters params{ getStarParameters(context.parameters) };
for (const DirectoryId id : params.directoryIds)
{
if (const ReleaseId releaseId{ getReleaseFromDirectory(context.dbSession, id) }; releaseId.isValid())
core::Service<feedback::IFeedbackService>::get()->star(context.user->getId(), releaseId);
}
for (const ArtistId id : params.artistIds)
core::Service<feedback::IFeedbackService>::get()->star(context.user->getId(), id);
for (const ReleaseId id : params.releaseIds)
core::Service<feedback::IFeedbackService>::get()->star(context.user->getId(), id);
for (const TrackId id : params.trackIds)
core::Service<feedback::IFeedbackService>::get()->star(context.user->getId(), id);
return Response::createOkResponse(context.serverProtocolVersion);
}
Response handleUnstarRequest(RequestContext& context)
{
const StarParameters params{ getStarParameters(context.parameters) };
for (const DirectoryId id : params.directoryIds)
{
if (const ReleaseId releaseId{ getReleaseFromDirectory(context.dbSession, id) }; releaseId.isValid())
core::Service<feedback::IFeedbackService>::get()->unstar(context.user->getId(), releaseId);
}
for (const ArtistId id : params.artistIds)
core::Service<feedback::IFeedbackService>::get()->unstar(context.user->getId(), id);
for (const ReleaseId id : params.releaseIds)
core::Service<feedback::IFeedbackService>::get()->unstar(context.user->getId(), id);
for (const TrackId id : params.trackIds)
core::Service<feedback::IFeedbackService>::get()->unstar(context.user->getId(), id);
return Response::createOkResponse(context.serverProtocolVersion);
}
Response handleSetRating(RequestContext& context)
{
const RatingParameters params{ getRatingParameters(context.parameters) };
if (const ArtistId * artistId{ std::get_if<ArtistId>(&params.id) })
core::Service<feedback::IFeedbackService>::get()->setRating(context.user->getId(), *artistId, params.rating);
else if (const DirectoryId * directoryId{ std::get_if<DirectoryId>(&params.id) })
{
if (const ReleaseId releaseId{ getReleaseFromDirectory(context.dbSession, *directoryId) }; releaseId.isValid())
core::Service<feedback::IFeedbackService>::get()->setRating(context.user->getId(), releaseId, params.rating);
}
else if (const ReleaseId * releaseId{ std::get_if<ReleaseId>(&params.id) })
core::Service<feedback::IFeedbackService>::get()->setRating(context.user->getId(), *releaseId, params.rating);
else if (const TrackId * trackId{ std::get_if<TrackId>(&params.id) })
core::Service<feedback::IFeedbackService>::get()->setRating(context.user->getId(), *trackId, params.rating);
return Response::createOkResponse(context.serverProtocolVersion);
}
Response handleScrobble(RequestContext& context)
{
const std::vector<TrackId> ids{ getMandatoryMultiParametersAs<TrackId>(context.parameters, "id") };
const std::vector<unsigned long> times{ getMultiParametersAs<unsigned long>(context.parameters, "time") };
const bool submission{ getParameterAs<bool>(context.parameters, "submission").value_or(true) };
// playing now => only one at a time
if (!submission && ids.size() > 1)
throw BadParameterGenericError{ "id" };
// if multiple submissions, must have all times
if (ids.size() > 1 && ids.size() != times.size())
throw BadParameterGenericError{ "time" };
if (!submission)
{
core::Service<scrobbling::IScrobblingService>::get()->listenStarted({ context.user->getId(), ids.front() });
}
else
{
if (times.empty())
{
core::Service<scrobbling::IScrobblingService>::get()->listenFinished({ context.user->getId(), ids.front() });
}
else
{
for (std::size_t i{}; i < ids.size(); ++i)
{
const TrackId trackId{ ids[i] };
const unsigned long time{ times[i] };
core::Service<scrobbling::IScrobblingService>::get()->addTimedListen({ { context.user->getId(), trackId }, Wt::WDateTime::fromTime_t(static_cast<std::time_t>(time / 1000)) });
}
}
}
return Response::createOkResponse(context.serverProtocolVersion);
}
} // namespace lms::api::subsonic