OnlineExamples.hpp

#pragma once
#include <QObject>
#include <QString>
 
#include <score_lib_base_export.h>
 
#include <functional>
#include <map>
#include <vector>
#include <verdigris>
 
namespace score
{
struct SCORE_LIB_BASE_EXPORT OnlineExample
{
  QString id;       
  QString name;
  QString description;
  QString section;  
  QString group;    
  QString category;
  QString page;     
  QString file;     
  QString format;   
  QString image;
  qint64 size{};
  QString fingerprint;
};
 
class SCORE_LIB_BASE_EXPORT OnlineExamples : public QObject
{
  W_OBJECT(OnlineExamples)
 
public:
  explicit OnlineExamples(QObject* parent = nullptr);
  ~OnlineExamples() override;
 
  static QString manifestUrl();
  static QString installRoot();
 
  const std::vector<OnlineExample>& examples() const noexcept { return m_examples; }
 
  void loadCache();
 
  void refresh();
 
  static QString installFolder(const OnlineExample& ex);
 
  static QString contentFolder(const QString& folder);
 
  static QString localPath(const OnlineExample& ex);
 
  static bool changedOnline(const OnlineExample& ex);
 
  void install(
      const OnlineExample& ex, std::function<void(QString)> done, bool replace = false);
 
  bool isDownloading(const OnlineExample& ex) const;
 
  void updated() E_SIGNAL(SCORE_LIB_BASE_EXPORT, updated)
 
private:
  void refresh(bool conditional);
  static QString cacheFolder();
  void parse(const QByteArray& json);
  static QString write(const OnlineExample& ex, const QByteArray& data);
 
  std::vector<OnlineExample> m_examples;
  std::map<QString, std::vector<std::function<void(QString)>>> m_downloads;
  QString m_etag;
};
}