Files
lms/src/ui/LmsApplication.hpp
T
2019-01-23 13:22:43 +01:00

138 lines
4.1 KiB
C++

/*
* Copyright (C) 2013 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/>.
*/
#ifndef LMS_APPLICATION_HPP
#define LMS_APPLICATION_HPP
#include <boost/optional.hpp>
#include <Wt/WApplication.h>
#include <Wt/Dbo/SqlConnectionPool.h>
#include "database/DatabaseHandler.hpp"
#include "scanner/MediaScanner.hpp"
#include "LmsApplicationGroup.hpp"
#include "Auth.hpp"
namespace Database {
class Artist;
class Cluster;
class Release;
}
namespace UserInterface {
class AudioResource;
class ImageResource;
// Events that can be listen from anywhere in the application
struct Events
{
// Events relative to group
Wt::Signal<LmsApplicationInfo> appOpen;
Wt::Signal<LmsApplicationInfo> appClosed;
// A track is being loaded
Wt::Signal<Database::IdType /* trackId */, bool /* play */> trackLoaded;
boost::optional<Database::IdType> lastLoadedTrackId;
// Unload current track
Wt::Signal<> trackUnloaded;
// A database scan is complete
Wt::Signal<Scanner::MediaScanner::Stats> dbScanned;
};
// Used to classify the message sent to the user
enum class MsgType
{
Success,
Info,
Warning,
Danger,
};
class LmsApplication : public Wt::WApplication
{
public:
LmsApplication(const Wt::WEnvironment& env, Wt::Dbo::SqlConnectionPool& connectionPool, LmsApplicationGroupContainer& appGroups);
static std::unique_ptr<Wt::WApplication> create(const Wt::WEnvironment& env,
Wt::Dbo::SqlConnectionPool& connectionPool, LmsApplicationGroupContainer& appGroups);
static LmsApplication* instance();
// Session application data
std::shared_ptr<ImageResource> getImageResource() { return _imageResource; }
std::shared_ptr<AudioResource> getAudioResource() { return _audioResource; }
Database::Handler& getDb() { return _db;}
Wt::Dbo::Session& getDboSession() { return _db.getSession();}
const Wt::Auth::User& getAuthUser() { return _db.getLogin().user(); }
Database::User::pointer getUser() { return _db.getCurrentUser(); }
Wt::WString getUserIdentity() { return _userIdentity; }
Events& getEvents() { return _events; }
// Utils
void goHome();
void goHomeAndQuit();
void post(std::function<void()> func);
void notifyMsg(MsgType type, const Wt::WString& message, std::chrono::milliseconds duration = std::chrono::milliseconds(4000));
static Wt::WLink createArtistLink(Wt::Dbo::ptr<Database::Artist> artist);
static std::unique_ptr<Wt::WAnchor> createArtistAnchor(Wt::Dbo::ptr<Database::Artist> artist, bool addText = true);
static Wt::WLink createReleaseLink(Wt::Dbo::ptr<Database::Release> release);
static std::unique_ptr<Wt::WAnchor> createReleaseAnchor(Wt::Dbo::ptr<Database::Release> release, bool addText = true);
static std::unique_ptr<Wt::WTemplate> createCluster(Wt::Dbo::ptr<Database::Cluster> cluster, bool canDelete = false);
// Signal emitted just before the session ends (user may already be logged out)
Wt::Signal<>& preQuit() { return _preQuit; }
private:
LmsApplicationGroup& getApplicationGroup();
// Events
void handleAuthEvent();
void notify(const Wt::WEvent& event) override;
void finalize() override;
void createHome();
Wt::Signal<> _preQuit;
Database::Handler _db;
LmsApplicationGroupContainer& _appGroups;
Events _events;
Wt::WString _userIdentity;
Auth* _auth = nullptr;
std::shared_ptr<ImageResource> _imageResource;
std::shared_ptr<AudioResource> _audioResource;
bool _isAdmin = false;
};
// Helper to get session instance
#define LmsApp LmsApplication::instance()
} // namespace UserInterface
#endif