Add Qobuz support (#181)

src/qobuz/qobuzbaserequest.h

@@ -0,0 +1,108 @@
+/*
+ * 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 QOBUZBASEREQUEST_H
+#define QOBUZBASEREQUEST_H
+
+#include "config.h"
+
+#include <QtGlobal>
+#include <QObject>
+#include <QList>
+#include <QPair>
+#include <QString>
+#include <QUrl>
+#include <QNetworkReply>
+#include <QJsonObject>
+#include <QJsonArray>
+#include <QJsonValue>
+
+#include "core/song.h"
+#include "internet/internetservices.h"
+#include "internet/internetservice.h"
+#include "internet/internetsearch.h"
+#include "qobuzservice.h"
+
+class Application;
+class NetworkAccessManager;
+class QobuzUrlHandler;
+class CollectionBackend;
+class CollectionModel;
+
+class QobuzBaseRequest : public QObject {
+  Q_OBJECT
+
+ public:
+
+  enum QueryType {
+    QueryType_None,
+    QueryType_Artists,
+    QueryType_Albums,
+    QueryType_Songs,
+    QueryType_SearchArtists,
+    QueryType_SearchAlbums,
+    QueryType_SearchSongs,
+    QueryType_StreamURL,
+  };
+
+  QobuzBaseRequest(QobuzService *service, NetworkAccessManager *network, QObject *parent);
+  ~QobuzBaseRequest();
+
+  typedef QPair<QString, QString> Param;
+  typedef QList<Param> ParamList;
+
+  typedef QPair<QByteArray, QByteArray> EncodedParam;
+  typedef QList<EncodedParam> EncodedParamList;
+
+  QNetworkReply *CreateRequest(const QString &ressource_name, const QList<Param> &params_provided);
+  QByteArray GetReplyData(QNetworkReply *reply, QString &error);
+  QJsonObject ExtractJsonObj(QByteArray &data, QString &error);
+  QJsonValue ExtractItems(QByteArray &data, QString &error);
+  QJsonValue ExtractItems(QJsonObject &json_obj, QString &error);
+
+  virtual QString Error(QString error, QVariant debug = QVariant());
+
+  QString api_url() { return QString(kApiUrl); }
+  QString app_id() { return service_->app_id(); }
+  QString app_secret() { return service_->app_secret(); }
+  QString username() { return service_->username(); }
+  QString password() { return service_->password(); }
+  int format() { return service_->format(); }
+  int artistssearchlimit() { return service_->artistssearchlimit(); }
+  int albumssearchlimit() { return service_->albumssearchlimit(); }
+  int songssearchlimit() { return service_->songssearchlimit(); }
+
+  QString access_token() { return service_->access_token(); }
+
+  bool authenticated() { return service_->authenticated(); }
+  bool login_sent() { return service_->login_sent(); }
+  int max_login_attempts() { return service_->max_login_attempts(); }
+  int login_attempts() { return service_->login_attempts(); }
+
+ private:
+
+  static const char *kApiUrl;
+
+  QobuzService *service_;
+  NetworkAccessManager *network_;
+  QList<QNetworkReply*> replies_;
+
+};
+
+#endif  // QOBUZBASEREQUEST_H