Files
lms/remote/server/AudioCollectionRequestHandler.cpp
T

147 lines
4.1 KiB
C++
Raw Blame History

This file contains invisible Unicode characters
This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.
#include <algorithm> // std::max
#include "AudioCollectionRequestHandler.hpp"
#include "database/AudioTypes.hpp"
namespace Remote {
namespace Server {
AudioCollectionRequestHandler::AudioCollectionRequestHandler(DatabaseHandler& db)
: _db(db)
{}
bool
AudioCollectionRequestHandler::process(const AudioCollectionRequest& request, AudioCollectionResponse& response)
{
bool res = false;
switch (request.type())
{
case AudioCollectionRequest_Type_TypeGetGenreList:
if (request.has_get_genres())
{
res = processGetGenres(request.get_genres(), *response.mutable_genre_list());
if (res)
response.set_type(AudioCollectionResponse_Type_TypeArtistList);
}
else
std::cerr << "Bad AudioCollectionRequest_Type_TypeGetGenreList" << std::endl;
break;
case AudioCollectionRequest_Type_TypeGetArtistList:
if (request.has_get_artists())
{
res = processGetArtists(request.get_artists(), *response.mutable_artist_list());
if (res)
response.set_type(AudioCollectionResponse_Type_TypeArtistList);
}
else
std::cerr << "Bad AudioCollectionRequest_Type_TypeGetArtistList" << std::endl;
break;
case AudioCollectionRequest_Type_TypeGetReleaseList:
break;
case AudioCollectionRequest_Type_TypeGetTrackList:
break;
default:
std::cerr << "Unhandled AudioCollectionRequest_Type = " << request.type() << std::endl;
}
return res;
}
bool
AudioCollectionRequestHandler::processGetGenres(const AudioCollectionRequest::GetGenreList& request, AudioCollectionResponse::GenreList& response)
{
// sanity checks
if (!request.has_batch_parameter())
{
std::cerr << "No batch parameters found!" << std::endl;
return false;
}
std::cout << "Offset = " << request.batch_parameter().offset() << std::endl;
std::cout << "Size = " << request.batch_parameter().size() << std::endl;
if (request.has_filter_name())
std::cout << "Filter name = " << request.filter_name() << std::endl;
Wt::Dbo::Transaction transaction( _db.getSession() );
Wt::Dbo::collection<Genre::pointer> genres = Genre::getAll( _db.getSession(), request.batch_parameter().offset(), std::max(static_cast<std::size_t>(request.batch_parameter().size()), _maxListGenres) );
typedef Wt::Dbo::collection< Genre::pointer > Genres;
for (Genres::iterator it = genres.begin(); it != genres.end(); ++it)
{
AudioCollectionResponse_Genre* genre = response.add_genres();
genre->set_name((*it)->getName());
}
return true;
}
bool
AudioCollectionRequestHandler::processGetArtists(const AudioCollectionRequest::GetArtistList& request, AudioCollectionResponse::ArtistList& response)
{
// sanity checks
if (!request.has_batch_parameter())
{
std::cerr << "No batch parameters found!" << std::endl;
return false;
}
std::cout << "Offset = " << request.batch_parameter().offset() << std::endl;
std::cout << "Size = " << request.batch_parameter().size() << std::endl;
if (request.batch_parameter().size() > _maxListArtists)
std::cerr << "Warning: batch parameter size too high (" << request.batch_parameter().size() << ")" << std::endl;
if (request.has_filter_name())
std::cout << "Filter name = " << request.filter_name() << std::endl;
for (int id = 0; id < request.filter_genre_size(); ++id)
{
std::cout << "Filter genre " << id << " = '" << request.filter_genre(id) << "'" << std::endl;
}
// Now fetch requested data...
std::cout << "Getting artists..." << std::endl;
Wt::Dbo::Transaction transaction( _db.getSession() );
Wt::Dbo::collection<Artist::pointer> artists = Artist::getAll( _db.getSession(), request.batch_parameter().offset(), std::max(static_cast<std::size_t>(request.batch_parameter().size()), _maxListArtists) );
std::cout << "size = " << artists.size() << std::endl;
typedef Wt::Dbo::collection< Artist::pointer > Artists;
for (Artists::iterator it = artists.begin(); it != artists.end(); ++it)
{
AudioCollectionResponse_Artist* artist = response.add_artists();
artist->set_name((*it)->getName());
artist->set_nb_releases(0); // TODO
}
std::cout << "Getting artists DONE" << std::endl;
return true;
}
} // namespace Remote
} // namespace Server