/// <summary>
/// Carga la sentencia para descargar un directorio del storage
/// </summary>
private BaseSentence LoadDownloadPathSentence(MLNode rootML)
{
DownloadBlobFolderSentence sentence = new DownloadBlobFolderSentence();
// Carga los datos de la sentencia
AssignBlobSentences(sentence, rootML);
sentence.StorageKey = rootML.Attributes[TagSource].Value;
sentence.Source.Container = rootML.Attributes[TagBlobContainer].Value;
sentence.Source.Blob = rootML.Attributes[TagStoragePath].Value;
sentence.Path = rootML.Attributes[TagPath].Value;
// Devuelve la sentencia
return(sentence);
}
/// <summary>
/// Procesa la sentencia de descarga de una carpeta
/// </summary>
private async Task ProcessDownloadFolderAsync(BlockLogModel parent, DownloadBlobFolderSentence sentence, CancellationToken cancellationToken)
{
using (BlockLogModel block = parent.CreateBlock(LogModel.LogType.Info, $"Start downloading from '{sentence.Source.ToString()}'"))
{
CloudConnection connection = GetConnection(sentence.StorageKey);
if (connection == null)
{
AddError(block, $"Can't find the connection for '{sentence.StorageKey}");
}
else
{
try
{
string path = Step.Project.GetFullFileName(sentence.Path);
string container = GetContainerName(sentence.Source.Container);
// Log
block.Info($"Start download '{container}/{sentence.Source.Blob}' to '{path}'");
// Crea la carpeta
LibHelper.Files.HelperFiles.MakePath(path);
// Descarga la carpeta
using (ICloudStorageManager manager = new StorageManager().OpenAzureStorageBlob(connection.StorageConnectionString))
{
List <LibBlobStorage.Metadata.BlobModel> blobs = await manager.ListBlobsAsync(container, sentence.Source.Blob);
foreach (LibBlobStorage.Metadata.BlobModel blob in blobs)
{
if (blob.Length != 0 && !cancellationToken.IsCancellationRequested)
{
string fileName = System.IO.Path.Combine(path, blob.LocalFileName);
// Log
block.Info($"Download '{blob.FullFileName}'");
// Crea el directorio
LibHelper.Files.HelperFiles.MakePath(System.IO.Path.GetDirectoryName(fileName));
// Descarga el archivo
await manager.DownloadAsync(container, blob.FullFileName, fileName);
}
}
}
// Log
block.Info($"End download '{container}/{sentence.Source.Blob}' to '{path}'");
}
catch (Exception exception)
{
AddError(block, $"Error when download to '{sentence.Path}'", exception);
}
}
}
}
