147 lines
4.1 KiB
C++
147 lines
4.1 KiB
C++
#include <algorithm> // std::max
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#include "AudioCollectionRequestHandler.hpp"
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#include "database/AudioTypes.hpp"
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namespace Remote {
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namespace Server {
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AudioCollectionRequestHandler::AudioCollectionRequestHandler(DatabaseHandler& db)
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: _db(db)
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{}
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bool
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AudioCollectionRequestHandler::process(const AudioCollectionRequest& request, AudioCollectionResponse& response)
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{
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bool res = false;
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switch (request.type())
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{
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case AudioCollectionRequest_Type_TypeGetGenreList:
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if (request.has_get_genres())
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{
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res = processGetGenres(request.get_genres(), *response.mutable_genre_list());
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if (res)
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response.set_type(AudioCollectionResponse_Type_TypeArtistList);
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}
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else
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std::cerr << "Bad AudioCollectionRequest_Type_TypeGetGenreList" << std::endl;
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break;
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case AudioCollectionRequest_Type_TypeGetArtistList:
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if (request.has_get_artists())
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{
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res = processGetArtists(request.get_artists(), *response.mutable_artist_list());
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if (res)
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response.set_type(AudioCollectionResponse_Type_TypeArtistList);
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}
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else
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std::cerr << "Bad AudioCollectionRequest_Type_TypeGetArtistList" << std::endl;
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break;
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case AudioCollectionRequest_Type_TypeGetReleaseList:
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break;
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case AudioCollectionRequest_Type_TypeGetTrackList:
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break;
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default:
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std::cerr << "Unhandled AudioCollectionRequest_Type = " << request.type() << std::endl;
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}
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return res;
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}
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bool
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AudioCollectionRequestHandler::processGetGenres(const AudioCollectionRequest::GetGenreList& request, AudioCollectionResponse::GenreList& response)
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{
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// sanity checks
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if (!request.has_batch_parameter())
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{
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std::cerr << "No batch parameters found!" << std::endl;
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return false;
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}
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std::cout << "Offset = " << request.batch_parameter().offset() << std::endl;
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std::cout << "Size = " << request.batch_parameter().size() << std::endl;
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if (request.has_filter_name())
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std::cout << "Filter name = " << request.filter_name() << std::endl;
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Wt::Dbo::Transaction transaction( _db.getSession() );
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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) );
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typedef Wt::Dbo::collection< Genre::pointer > Genres;
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for (Genres::iterator it = genres.begin(); it != genres.end(); ++it)
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{
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AudioCollectionResponse_Genre* genre = response.add_genres();
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genre->set_name((*it)->getName());
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}
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return true;
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}
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bool
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AudioCollectionRequestHandler::processGetArtists(const AudioCollectionRequest::GetArtistList& request, AudioCollectionResponse::ArtistList& response)
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{
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// sanity checks
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if (!request.has_batch_parameter())
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{
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std::cerr << "No batch parameters found!" << std::endl;
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return false;
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}
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std::cout << "Offset = " << request.batch_parameter().offset() << std::endl;
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std::cout << "Size = " << request.batch_parameter().size() << std::endl;
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if (request.batch_parameter().size() > _maxListArtists)
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std::cerr << "Warning: batch parameter size too high (" << request.batch_parameter().size() << ")" << std::endl;
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if (request.has_filter_name())
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std::cout << "Filter name = " << request.filter_name() << std::endl;
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for (int id = 0; id < request.filter_genre_size(); ++id)
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{
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std::cout << "Filter genre " << id << " = '" << request.filter_genre(id) << "'" << std::endl;
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}
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// Now fetch requested data...
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std::cout << "Getting artists..." << std::endl;
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Wt::Dbo::Transaction transaction( _db.getSession() );
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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) );
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std::cout << "size = " << artists.size() << std::endl;
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typedef Wt::Dbo::collection< Artist::pointer > Artists;
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for (Artists::iterator it = artists.begin(); it != artists.end(); ++it)
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{
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AudioCollectionResponse_Artist* artist = response.add_artists();
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artist->set_name((*it)->getName());
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artist->set_nb_releases(0); // TODO
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}
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std::cout << "Getting artists DONE" << std::endl;
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return true;
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}
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} // namespace Remote
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} // namespace Server
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