137 lines
4.0 KiB
C++
137 lines
4.0 KiB
C++
/*
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* Copyright (C) 2013 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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#pragma once
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#include <Wt/WIOService>
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#include <Wt/WSignal>
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#include <mutex>
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#include <boost/asio/deadline_timer.hpp>
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#include "metadata/AvFormat.hpp"
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#include "database/DatabaseHandler.hpp"
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namespace Database {
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class Updater
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{
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public:
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static Updater& instance();
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void setConnectionPool(Wt::Dbo::SqlConnectionPool& connectionPool);
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void setAudioExtensions(const std::vector<std::string>& extensions);
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void setVideoExtensions(const std::vector<std::string>& extensions);
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void start();
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void stop();
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void restart();
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struct Stats
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{
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std::size_t nbSkipped = 0; // no change since last scan
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std::size_t nbScanned = 0;
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std::size_t nbScanErrors = 0; // cannot scan file
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std::size_t nbNotImported = 0; // Not imported (criteria not filled)
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std::size_t nbAdded = 0;
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std::size_t nbRemoved = 0;
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std::size_t nbModified = 0;
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std::size_t nbChanges() const { return nbAdded + nbRemoved + nbModified;}
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};
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// Emitted when the whole database has been scanned
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Wt::Signal<Stats>& scanComplete() { return _sigScanComplete; }
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// Emitted when a track changed
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// true -> added or modified, false -> to be deleted
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Wt::Signal<bool, Track::id_type>& trackChanged() { return _sigTrackChanged; }
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std::mutex& getMutex(void) { return _mutex; }
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private:
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Updater();
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struct RootDirectory
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{
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Database::MediaDirectory::Type type;
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boost::filesystem::path path;
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RootDirectory(Database::MediaDirectory::Type t, boost::filesystem::path p) : type(t), path(p) {}
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};
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// Job handling
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void processNextJob();
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void scheduleScan(boost::posix_time::time_duration duration);
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void scheduleScan(boost::posix_time::ptime time);
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// Update database (scheduled callback)
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void process(boost::system::error_code ec);
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// Check if a file exists and is still in a root directory
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static bool checkFile(const boost::filesystem::path& p,
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const std::vector<boost::filesystem::path>& rootDirectories,
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const std::vector<boost::filesystem::path>& extensions);
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void processRootDirectory( RootDirectory rootDirectory, Stats& stats);
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// Helpers
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Database::Artist::pointer getArtist( const boost::filesystem::path& file, const std::string& name, const std::string& MBID);
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Database::Release::pointer getRelease( const boost::filesystem::path& file, const std::string& name, const std::string& MBID);
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std::vector<Database::Cluster::pointer> getGenreClusters( const std::list<std::string>& names);
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void updateFileExtensions();
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// Audio
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void checkAudioFiles( Stats& stats );
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void checkDuplicatedAudioFiles( Stats& stats );
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void processAudioFile( const boost::filesystem::path& file, Stats& stats);
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// Video
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void checkVideoFiles( Stats& stats );
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void processVideoFile( const boost::filesystem::path& file, Stats& stats);
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bool _running;
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Wt::WIOService _ioService;
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Wt::Signal<Stats> _sigScanComplete;
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Wt::Signal<bool, Artist::id_type> _sigArtistChanged;
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Wt::Signal<bool, Release::id_type> _sigReleaseChanged;
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Wt::Signal<bool, Track::id_type> _sigTrackChanged;
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std::mutex _mutex;
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boost::asio::deadline_timer _scheduleTimer;
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Database::Handler* _db = nullptr;
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std::vector<boost::filesystem::path> _audioFileExtensions;
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std::vector<boost::filesystem::path> _videoFileExtensions;
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MetaData::AvFormat _metadataParser;
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}; // class Updater
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} // Database
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