loginmanager.h

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//=============================================================================
//  MuseScore
//  Music Composition & Notation
//
//  Copyright (C) 2014 Werner Schweer
//
//  This program is free software; you can redistribute it and/or modify
//  it under the terms of the GNU General Public License version 2
//  as published by the Free Software Foundation and appearing in
//  the file LICENCE.GPL
//=============================================================================

#ifndef __LOGINMANAGER_H__
#define __LOGINMANAGER_H__

#include "config.h"

namespace Ms {

class ApiRequest;

//---------------------------------------------------------
//   LoginManager
//---------------------------------------------------------

class LoginManager : public QObject
      {
      Q_OBJECT

      enum class RequestType
            {
            LOGIN,
            LOGIN_REFRESH,
            GET_USER_INFO,
            GET_SCORE_INFO,
            UPLOAD_SCORE,
            GET_MEDIA_URL,
            };

      static constexpr int MAX_UPLOAD_TRY_COUNT = 5;
      static constexpr int MAX_REFRESH_LOGIN_RETRY_COUNT = 2;

      QNetworkAccessManager* _networkManager;

      QAction* _uploadAudioMenuAction = nullptr;
      QString _accessToken;
      QString _refreshToken;
      QString _userName;
      QUrl _avatar;
      int _uid = -1;

      QString _updateScoreDataPath;

      QString _mediaUrl;
      QFile* _mp3File;
      int _uploadTryCount = 0;

      QProgressDialog* _progressDialog;

      void onReplyFinished(ApiRequest*, RequestType);
      void handleReply(QNetworkReply*, RequestType);
      static QString getErrorString(QNetworkReply*, const QJsonObject&);

      void onGetUserReply(QNetworkReply* reply, int code, const QJsonObject& replyContent);
      void onLoginReply(QNetworkReply* reply, int code, const QJsonObject& replyContent);
      void onLoginRefreshReply(QNetworkReply* reply, int code, const QJsonObject& replyContent);
      void onUploadReply(QNetworkReply* reply, int code, const QJsonObject& replyContent);
      void onGetScoreInfoReply(QNetworkReply* reply, int code, const QJsonObject& replyContent);
      void onGetMediaUrlReply(QNetworkReply* reply, int code, const QJsonObject& replyContent);

      ApiRequest* buildLoginRefreshRequest() const;

   signals:
      void loginError(const QString& error);
      void loginSuccess();
      void getUserError(const QString& error);
      void getUserSuccess();
      void getScoreError(const QString& error);
      void getScoreSuccess(const QString &title, const QString &description, bool priv, const QString& license, const QString& tags, const QString& url);
      void uploadError(const QString& error);
      void uploadSuccess(const QString& url, const QString& nid, const QString& vid);
      void tryLoginSuccess();
      void mediaUploadSuccess();

   private slots:
      void uploadMedia();
      void mediaUploadFinished();
      void mediaUploadProgress(qint64, qint64);

      void onTryLoginSuccess();
      void onTryLoginError(const QString&);

   public slots:
      void tryLogin();

   public:
      LoginManager(QAction* uploadAudioMenuAction, QObject* parent = 0);
      void login(QString login, QString password);
#ifdef USE_WEBENGINE
      void loginInteractive();
#endif
      void upload(const QString& path, int nid, const QString& title);
      void updateScoreData(const QString& nid, bool newScore);
      bool hasAccessToken();
      void getUser();
      void getScoreInfo(int nid);
      void getMediaUrl(const QString& nid, const QString& vid, const QString& format);

      bool save();
      bool load();

      bool logout();

      const QString& userName() const { return _userName; }
      int uid() const { return _uid; }
      const QUrl& avatar() const { return _avatar; }
      };
}

#endif