Function GetProjectFileBytes

exporter/src/utils/AEHelper.cpp:195–282

}

std::vector<char> GetProjectFileBytes() {
  std::vector<char> fileBytes = {};
  AEGP_ProjectH projectHandle = nullptr;
  Suites->ProjSuite6()->AEGP_GetProjectByIndex(0, &projectHandle);

  AEGP_MemHandle pathMemory;
  Suites->ProjSuite6()->AEGP_GetProjectPath(projectHandle, &pathMemory);
  char16_t* projectPath = nullptr;
  Suites->MemorySuite1()->AEGP_LockMemHandle(pathMemory, reinterpret_cast<void**>(&projectPath));

  std::string filePath = Utf16ToUtf8(projectPath);
  Suites->MemorySuite1()->AEGP_FreeMemHandle(pathMemory);

  A_Boolean isDirty = 0;
  Suites->ProjSuite6()->AEGP_ProjectIsDirty(projectHandle, &isDirty);
  bool isAEPX = false;

  if (!filePath.empty()) {
    auto extension = filePath.substr(filePath.size() - 5, 5);
    isAEPX = ToLowerCase(extension) == ".aepx";
  }

  exporter::TempFileDelete tempFile;
  if (isDirty || filePath.empty() || isAEPX) {
    auto tempFolder = exporter::GetTempFolderPath();
    if (!tempFolder.empty() && tempFolder.back() == '/') {
      tempFolder.pop_back();
    }
    filePath = tempFolder + u8"/.PAGAutoSave.aep";
    tempFile.setFilePath(filePath);
    auto path = Utf8ToUtf16(filePath);
    auto saveResult = Suites->ProjSuite6()->AEGP_SaveProjectToPath(
        projectHandle, reinterpret_cast<const A_UTF16Char*>(path.c_str()));
    if (saveResult != 0) {
      return fileBytes;
    }

    // AEGP_SaveProjectToPath can complete asynchronously, and there might be a delay
    // before the file is fully written to disk by the file system.
    // Therefore, we need a retry loop to wait for the file to become accessible
    // before attempting to read it.
    int maxRetries = 50;
    int retryCount = 0;
    std::ifstream testFile(filePath, std::ios::binary);

    // Loop to check if the file has been created and can be opened.
    while (!testFile.is_open() && retryCount < maxRetries) {
      std::this_thread::sleep_for(std::chrono::milliseconds(100));
      retryCount++;
      testFile.open(filePath, std::ios::binary);
    }
    testFile.close();

    if (retryCount >= maxRetries) {
      auto errorMsg = QObject::tr(
          "Failed to save project file. The file could not be written to disk after multiple "
          "attempts. Please check disk space and file permissions, then try again.");
      WindowManager::GetInstance().showSimpleError(errorMsg);