/// <summary>
/// Execute the current stage and return the next import stage.
/// If the next stage is null, it means the last stage was executed.
/// </summary>
private IBaseFileImportStage ProcessStage(IBaseFileImportStage currentImportStage, ImportParameters parameters)
{
ChangeImportStage(parameters, currentImportStage.StageId);
WriteFileImportLog(FileImportLogMessageType.StartStage, parameters);
var nextStage = currentImportStage?.ProcessStage(parameters);
WriteFileImportLog(FileImportLogMessageType.EndStage, parameters);
return(nextStage);
}
/// <inheritdoc cref="BaseFileImporter"/>
protected override void Import(ImportParameters parameters)
{
_currentImportStage = ImportStageFactory.CreateImportStage(parameters.ImportStage, UserConnection, ColumnsProcessor);
while ((_currentImportStage = _currentImportStage?.ProcessStage(parameters)) != null)
{
if (ImportParametersRepository.GetIsImportSessionCanceled(parameters.ImportSessionId))
{
DeleteImportParameters(parameters.ImportSessionId);
throw new OperationCanceledException();
}
else
{
SaveCurrentStage(parameters);
}
}
SaveParametersToCache(parameters);
}
