Added a release generator tool to stress test everything
This commit is contained in:
emeric
@@ -1,3 +1,4 @@
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add_subdirectory(db-generator)
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add_subdirectory(cover)
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add_subdirectory(metadata)
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add_subdirectory(recommendation)
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@@ -0,0 +1,10 @@
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add_executable(lms-db-generator
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LmsDbGenerator.cpp
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)
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target_link_libraries(lms-db-generator PRIVATE
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lmsdatabase
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lmsutils
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Boost::program_options
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)
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@@ -0,0 +1,210 @@
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/*
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* Copyright (C) 2023 Emeric Poupon
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*
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* This file is part of LMS.
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*
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* LMS is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* LMS is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with LMS. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <chrono>
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#include <iostream>
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#include <iomanip>
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#include <filesystem>
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#include <optional>
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#include <stdexcept>
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#include <stdlib.h>
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#include <string>
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#include <boost/program_options.hpp>
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#include "services/database/Db.hpp"
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#include "services/database/Artist.hpp"
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#include "services/database/Cluster.hpp"
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#include "services/database/Release.hpp"
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#include "services/database/Session.hpp"
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#include "services/database/Track.hpp"
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#include "services/database/TrackArtistLink.hpp"
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#include "utils/IConfig.hpp"
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#include "utils/Random.hpp"
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#include "utils/StreamLogger.hpp"
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#include "utils/Service.hpp"
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namespace
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{
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struct GeneratorParameters
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{
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std::size_t releaseCount{ 100 };
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std::size_t trackCountPerRelease{ 10 };
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float compilationRatio{ 0.1 };
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std::size_t genreCountPerTrack{ 3 };
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std::size_t moodCountPerTrack{ 3 };
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std::size_t genreCount{ 50 };
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std::size_t moodCount{ 25 };
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std::filesystem::path trackPath;
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};
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struct GenerationContext
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{
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Database::Session& session;
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std::vector<Database::Cluster::pointer> genres;
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std::vector<Database::Cluster::pointer> moods;
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GenerationContext(Database::Session& _session) : session{ _session } {}
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};
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Database::Cluster::pointer generateCluster(Database::Session& session, Database::ClusterType::pointer clusterType)
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{
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const std::string clusterName{ clusterType->getName() + "-" + std::string{ UUID::generate().getAsString() } };
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return session.create<Database::Cluster>(clusterType, clusterName);
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}
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Database::Artist::pointer generateArtist(Database::Session& session)
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{
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const UUID artistMBID{ UUID::generate() };
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const std::string artistName{ "Artist-" + std::string{ UUID::generate().getAsString() } };
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return session.create<Database::Artist>(artistName, artistMBID);
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}
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void generateRelease(const GeneratorParameters& params, GenerationContext& context)
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{
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using namespace Database;
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const UUID releaseMBID{ UUID::generate() };
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const std::string releaseName{ "Release-" + std::string{ UUID::generate().getAsString() } };
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Release::pointer release{ context.session.create<Release>(releaseName, releaseMBID) };
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Artist::pointer artist{ generateArtist(context.session) };
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for (std::size_t i{}; i < params.trackCountPerRelease; ++i)
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{
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Track::pointer track{ context.session.create<Track>(params.trackPath) };
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track.modify()->setName("Track-" + std::string{ UUID::generate().getAsString() });
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track.modify()->setDiscNumber(1);
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track.modify()->setTrackNumber(i);
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track.modify()->setDuration(std::chrono::seconds{ Random::getRandom(30, 300) });
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track.modify()->setRelease(release);
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track.modify()->setTrackMBID(UUID::generate());
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track.modify()->setRecordingMBID(UUID::generate());
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track.modify()->setTotalTrack(params.trackCountPerRelease);
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TrackArtistLink::create(context.session, track, artist, TrackArtistLinkType::Artist);
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TrackArtistLink::create(context.session, track, artist, TrackArtistLinkType::ReleaseArtist);
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std::vector<ObjectPtr<Cluster>> clusters;
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clusters.push_back(*Random::pickRandom(context.genres));
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clusters.push_back(*Random::pickRandom(context.moods));
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track.modify()->setClusters(clusters);
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}
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}
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void generate(const GeneratorParameters& params, GenerationContext& context)
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{
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for (std::size_t i{}; i < params.releaseCount; ++i)
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{
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if ((i % 1000) == 0)
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std::cout << "Generating album #" << i << std::endl;
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generateRelease(params, context);
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}
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}
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void prepareContext(const GeneratorParameters& params, GenerationContext& context)
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{
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// create some random genres/moods
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{
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Database::ClusterType::pointer genre{ Database::ClusterType::find(context.session, "GENRE") };
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if (!genre)
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genre = context.session.create<Database::ClusterType>("GENRE");
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for (std::size_t i{}; i < params.genreCount; ++i)
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context.genres.push_back(generateCluster(context.session, genre));
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}
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{
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Database::ClusterType::pointer mood{ Database::ClusterType::find(context.session, "MOOD") };
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if (!mood)
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mood = context.session.create<Database::ClusterType>("MOOD");
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for (std::size_t i{}; i < params.moodCount; ++i)
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context.moods.push_back(generateCluster(context.session, mood));
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}
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}
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}
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int main(int argc, char* argv[])
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{
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try
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{
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// log to stdout
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Service<Logger> logger{ std::make_unique<StreamLogger>(std::cout) };
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namespace po = boost::program_options;
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const GeneratorParameters defaultParams;
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po::options_description options{ "Options" };
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options.add_options()
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("conf,c", po::value<std::string>()->default_value("/etc/lms.conf"), "lms config file")
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("release-count", po::value<unsigned>()->default_value(defaultParams.releaseCount), "Number of releases to generate")
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("track-count-per-release", po::value<unsigned>()->default_value(defaultParams.trackCountPerRelease), "Number of tracks per release")
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("compilation-ratio", po::value<float>()->default_value(defaultParams.compilationRatio), "Compilation ratio (compilation means all tracks have a different artist)")
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("track-path", po::value<std::string>()->required(), "Path of a valid track file, that will be used for all generated tracks")
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("genre-count", po::value<unsigned>()->default_value(defaultParams.genreCount), "Number of genres to generate")
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("genre-count-per-track", po::value<unsigned>()->default_value(defaultParams.genreCountPerTrack), "Number of genres to assign to each track")
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("mood-count", po::value<unsigned>()->default_value(defaultParams.moodCount), "Number of moods to generate")
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("mood-count-per-track", po::value<unsigned>()->default_value(defaultParams.moodCountPerTrack), "Number of moods to assign to each track")
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("help,h", "produce help message")
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;
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po::variables_map vm;
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po::store(po::parse_command_line(argc, argv, options), vm);
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if (vm.count("help")) {
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std::cout << options << "\n";
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return EXIT_SUCCESS;
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}
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// notify required params
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po::notify(vm);
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GeneratorParameters genParams;
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genParams.releaseCount = vm["release-count"].as<unsigned>();
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genParams.trackCountPerRelease = vm["track-count-per-release"].as<unsigned>();
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genParams.compilationRatio = vm["compilation-ratio"].as<float>();
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genParams.trackPath = std::filesystem::path{ vm["track-path"].as<std::string>() };
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if (!std::filesystem::exists(genParams.trackPath))
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throw std::runtime_error{ "File '" + genParams.trackPath.string() + "' does not exist!" };
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Service<IConfig> config{ createConfig(vm["conf"].as<std::string>()) };
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Database::Db db{ config->getPath("working-dir") / "lms.db" };
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Database::Session session{ db };
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auto transaction{ session.createUniqueTransaction() };
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std::cout << "Starting generation..." << std::endl;
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GenerationContext genContext{ session };
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prepareContext(genParams, genContext);
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generate(genParams, genContext);
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std::cout << "Generation complete!" << std::endl;
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}
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catch (std::exception& e)
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{
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std::cerr << "Caught exception: " << e.what() << std::endl;
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return EXIT_FAILURE;
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}
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return EXIT_SUCCESS;
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}
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