Add Subsonic support (#180)

src/subsonic/subsonicservice.h

@@ -0,0 +1,130 @@
+/*
+ * Strawberry Music Player
+ * Copyright 2019, Jonas Kvinge <jonas@jkvinge.net>
+ *
+ * Strawberry 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.
+ *
+ * Strawberry 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 Strawberry.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef SUBSONICSERVICE_H
+#define SUBSONICSERVICE_H
+
+#include "config.h"
+
+#include <memory>
+#include <stdbool.h>
+
+#include <QtGlobal>
+#include <QObject>
+#include <QPair>
+#include <QList>
+#include <QString>
+#include <QUrl>
+#include <QNetworkReply>
+#include <QTimer>
+
+#include "core/song.h"
+#include "internet/internetservice.h"
+#include "internet/internetsearch.h"
+#include "settings/subsonicsettingspage.h"
+
+class QSortFilterProxyModel;
+class Application;
+class NetworkAccessManager;
+class SubsonicUrlHandler;
+class SubsonicRequest;
+class CollectionBackend;
+class CollectionModel;
+
+using std::shared_ptr;
+
+class SubsonicService : public InternetService {
+  Q_OBJECT
+
+ public:
+  SubsonicService(Application *app, QObject *parent);
+  ~SubsonicService();
+
+  static const Song::Source kSource;
+
+  void ReloadSettings();
+  QString CoverCacheDir();  
+
+  QString client_name() { return kClientName; }
+  QString api_version() { return kApiVersion; }
+  QString hostname() { return hostname_; }
+  int port() { return port_; }
+  QString username() { return username_; }
+  QString password() { return password_; }
+  bool verify_certificate() { return verify_certificate_; }
+  bool cache_album_covers() { return cache_album_covers_; }
+
+  CollectionBackend *collection_backend() { return collection_backend_; }
+  CollectionModel *collection_model() { return collection_model_; }
+  QSortFilterProxyModel *collection_sort_model() { return collection_sort_model_; }
+
+  CollectionBackend *songs_collection_backend() { return collection_backend_; }
+  CollectionModel *songs_collection_model() { return collection_model_; }
+  QSortFilterProxyModel *songs_collection_sort_model() { return collection_sort_model_; }
+
+  void CheckConfiguration();
+
+ signals:
+
+ public slots:
+  void ShowConfig();
+  void SendPing();
+  void SendPing(const QString &hostname, const int port, const QString &username, const QString &password);
+  void GetSongs();
+  void ResetSongsRequest();
+
+ private slots:
+  void HandlePingReply(QNetworkReply *reply);
+  void SongsResultsReceived(SongList songs);
+  void SongsErrorReceived(QString error);
+
+ private:
+  typedef QPair<QString, QString> Param;
+  typedef QList<Param> ParamList;
+
+  typedef QPair<QByteArray, QByteArray> EncodedParam;
+  typedef QList<EncodedParam> EncodedParamList;
+
+  QString PingError(QString error, QVariant debug = QVariant());
+
+  static const char *kClientName;
+  static const char *kApiVersion;
+  static const char *kSongsTable;
+  static const char *kSongsFtsTable;
+
+  Application *app_;
+  NetworkAccessManager *network_;
+  SubsonicUrlHandler *url_handler_;
+
+  CollectionBackend *collection_backend_;
+  CollectionModel *collection_model_;
+  QSortFilterProxyModel *collection_sort_model_;
+
+  std::shared_ptr<SubsonicRequest> songs_request_;
+
+  QString hostname_;
+  int port_;
+  QString username_;
+  QString password_;
+  bool verify_certificate_;
+  bool cache_album_covers_;
+
+};
+
+#endif  // SUBSONICSERVICE_H