LocalProjectSnapshot.h

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/*  SPDX-License-Identifier: GPL-2.0-or-later */
/*!********************************************************************
 
  Audacity: A Digital Audio Editor
 
  CloudProjectSnapshot.h
 
  Dmitry Vedenko
 
**********************************************************************/
#pragma once
 
#include <atomic>
#include <functional>
#include <future>
#include <memory>
#include <mutex>
#include <string_view>
 
#include "ProjectUploadOperation.h"
#include "CloudSyncError.h"
#include "CloudSyncDTO.h"
#include "NetworkUtils.h"
 
#include "concurrency/CancellationContext.h"
 
class AudacityProject;
enum class AudiocomTrace;
 
namespace audacity::cloud::audiocom
{
class OAuthService;
class ServiceConfig;
} // namespace audacity::cloud::audiocom
 
namespace audacity::cloud::audiocom::sync
{
constexpr auto UNASSIGNED_PROJECT_ID = -1;
 
class ProjectCloudExtension;
class LocalProjectSnapshot;
class MixdownUploader;
class CloudSyncUI;
struct MissingBlocksUploadProgress;
 
class MissingBlocksUploader;
 
class CLOUD_AUDIOCOM_API LocalProjectSnapshot final :
    public ProjectUploadOperation,
    public std::enable_shared_from_this<LocalProjectSnapshot>
{
   struct Tag final
   {
   };
 
public:
   struct CLOUD_AUDIOCOM_API SnapshotData final
   {
      std::optional<CreateSnapshotResponse> Response;
      std::shared_ptr<LocalProjectSnapshot> Operation;
   };
 
   using Promise = std::promise<SnapshotData>;
   using Future = std::future<SnapshotData>;
 
   LocalProjectSnapshot(
      Tag, const ServiceConfig& config, const OAuthService& oauthService,
      ProjectCloudExtension& extension, std::string name, UploadMode mode,
      AudiocomTrace trace);
   ~LocalProjectSnapshot() override;
 
   static Future Create(
      const ServiceConfig& config, const OAuthService& oauthService,
      ProjectCloudExtension& extension, std::string name, UploadMode mode,
      AudiocomTrace trace);
 
   bool IsCompleted() const override;
 
   std::shared_ptr<AudacityProject> GetProject();
 
   void Start() override;
   void SetUploadData(const ProjectUploadData& data) override;
   void Cancel() override;
 
   void Abort();
 
private:
   void UploadFailed(CloudSyncError error);
   void DataUploadFailed(const ResponseResult& uploadResult);
   void DataUploadFailed(const MissingBlocksUploadProgress& uploadResult);
 
   void UpdateProjectSnapshot();
 
   void
   OnSnapshotCreated(const CreateSnapshotResponse& response, bool newProject);
   void StorePendingSnapshot(
      const CreateSnapshotResponse& response, const ProjectUploadData& data);
   void MarkSnapshotSynced();
   void DeleteSnapshot();
 
 
   ProjectCloudExtension& mProjectCloudExtension;
   std::weak_ptr<AudacityProject> mWeakProject;
 
   std::promise<ProjectUploadData> mProjectDataPromise;
 
   const ServiceConfig& mServiceConfig;
   const OAuthService& mOAuthService;
   const AudiocomTrace mAudiocomTrace;
 
   std::string mProjectName;
 
   struct ProjectBlocksLock;
   std::unique_ptr<ProjectBlocksLock> mProjectBlocksLock;
 
   std::shared_ptr<MissingBlocksUploader> mMissingBlockUploader;
 
   std::mutex mCreateSnapshotResponseMutex;
   std::optional<CreateSnapshotResponse> mCreateSnapshotResponse;
 
   UploadMode mUploadMode { UploadMode::Normal };
 
   Promise mCreateSnapshotPromise;
 
   concurrency::CancellationContextPtr mCancellationContext;
 
   std::atomic<bool> mCompleted { false };
   std::atomic<bool> mCancelled { false };
   std::atomic<bool> mProjectDataReady { false };
};
} // namespace audacity::cloud::audiocom::sync