/// <summary>
/// Carga una sentencia de copia entre blobs
/// </summary>
private BaseSentence LoadCopyBlobSentence(MLNode rootML, bool move)
{
CopyBlobSentence sentence = new CopyBlobSentence();
// Carga los datos básicos de la sentencia
AssignBlobSentences(sentence, rootML);
// Carga el resto de datos
sentence.StorageKey = rootML.Attributes[TagSource].Value;
sentence.Move = move;
sentence.TransformFileName = rootML.Attributes[TagTransformFileName].Value.GetBool();
foreach (MLNode nodeML in rootML.Nodes)
{
switch (nodeML.Name)
{
case TagFrom:
sentence.Source.Container = nodeML.Attributes[TagBlobContainer].Value;
sentence.Source.Blob = nodeML.Attributes[TagBlobFile].Value;
break;
case TagTo:
sentence.Target.Container = nodeML.Attributes[TagBlobContainer].Value;
sentence.Target.Blob = nodeML.Attributes[TagBlobFile].Value;
break;
}
}
// Devuelve la sentencia
return(sentence);
}
/// <summary>
/// Procesa una copia de archivos
/// </summary>
private async Task ProcessCopyAsync(BlockLogModel parent, CopyBlobSentence sentence, CancellationToken cancellationToken)
{
string processType = sentence.Move ? "move" : "copy";
string blobTarget = sentence.Target.Blob;
// Obtiene el nombre del archivo destino si hay que transformarlo en un nombre único
if (sentence.TransformFileName)
{
blobTarget = System.IO.Path.GetFileNameWithoutExtension(sentence.Target.Blob) +
$" {DateTime.UtcNow:yyyy-MM-dd HH_mm_ss_ms}" +
System.IO.Path.GetExtension(sentence.Target.Blob);
}
// Procesa la instrucción
using (BlockLogModel block = parent.CreateBlock(LogModel.LogType.Info, $"Start {processType} from '{sentence.Source.ToString()}' to '{sentence.Target.Container}/{blobTarget}'"))
{
CloudConnection connection = GetConnection(sentence.StorageKey);
if (connection == null)
{
AddError(block, $"Can't find the connection for '{sentence.StorageKey}'");
}
else
{
try
{
// Copia / mueve el archivo
using (ICloudStorageManager manager = new StorageManager().OpenAzureStorageBlob(connection.StorageConnectionString))
{
if (sentence.Move)
{
await manager.MoveAsync(GetContainerName(sentence.Source.Container), sentence.Target.Blob,
GetContainerName(sentence.Target.Container), blobTarget, cancellationToken);
}
else
{
await manager.CopyAsync(GetContainerName(sentence.Source.Container), sentence.Target.Blob,
GetContainerName(sentence.Target.Container), blobTarget, cancellationToken);
}
}
// Log
block.Info($"End {processType} from '{sentence.Source.ToString()}' to '{sentence.Target.Container}/{blobTarget}'");
}
catch (Exception exception)
{
AddError(block, $"Error when {processType} from '{sentence.Source.ToString()}' to '{sentence.Target.Container}/{blobTarget}'", exception);
}
}
}
}
