/// <summary>
/// Fetches the cloud meta. Returned object would only includes (md5, length, name, content type).
/// </summary>
/// <param name="identifier">The identifier.</param>
/// <returns>Beyova.BinaryStorageMetaData.</returns>
public override BinaryStorageMetaData FetchCloudMeta(BinaryStorageIdentifier identifier)
{
try
{
identifier.CheckNullObject(nameof(identifier));
identifier.Container.CheckEmptyString(nameof(identifier.Container));
identifier.Identifier.CheckEmptyString(nameof(identifier.Identifier));
var request = new GetObjectMetadataRequest
{
BucketName = identifier.Container,
Key = identifier.Identifier,
};
var blob = blobClient.GetObjectMetadata(request);
var result = new BinaryStorageMetaData(identifier)
{
Hash = blob.Metadata["x-amz-meta-md5hash"],
Length = blob.ContentLength,
Name = blob.Headers.ContentDisposition,
ContentType = blob.Headers.ContentType
};
return(result);
}
catch (Exception ex)
{
throw ex.Handle(identifier);
}
}
/// <summary>
/// Fills the meta.
/// </summary>
/// <param name="meta">The meta.</param>
/// <param name="blobProperties">The BLOB properties.</param>
public static void FillMeta(this BinaryStorageMetaData meta, BlobProperties blobProperties)
{
if (meta != null && blobProperties != null)
{
meta.Hash = blobProperties.ContentMD5;
meta.ContentType = blobProperties.ContentType;
meta.Name = blobProperties.ContentDisposition.ConvertContentDispositionToName();
}
}
/// <summary>
/// Migrates the storage.
/// </summary>
/// <param name="meta">The meta.</param>
public void MigrateStorage(BinaryStorageMetaData meta)
{
if (meta != null && !string.IsNullOrWhiteSpace(meta.Container) && !string.IsNullOrWhiteSpace(meta.Identifier))
{
try
{
var downloadActionCredential = SourceStorageOperator.CreateBlobDownloadCredential(meta.Container, meta.Identifier, 5);
var uploadActionCredential = DestinationStorageOperator.CreateBlobUploadCredential(meta.Container, meta.Identifier, 5, meta.Hash, meta.ContentType);
var stream = SourceStorageOperator.DownloadBinaryStreamByCredentialUri(downloadActionCredential.CredentialUri);
DestinationStorageOperator.UploadBinaryStreamByCredentialUri(uploadActionCredential.CredentialUri, stream, meta.ContentType, meta.Name);
}
catch (Exception ex)
{
throw ex.Handle(new { meta });
}
}
}
/// <summary>
/// Fills the meta.
/// </summary>
/// <param name="meta">The meta.</param>
/// <param name="metaData">The meta data.</param>
public static void FillMeta(this Dictionary <string, string> meta, BinaryStorageMetaData metaData)
{
if (meta != null && metaData != null)
{
if (metaData.Duration != null)
{
meta.Merge(metaDuration, metaData.Duration.ToString());
}
if (metaData.Height != null)
{
meta.Merge(metaHeight, metaData.Height.ToString());
}
if (metaData.Width != null)
{
meta.Merge(metaWidth, metaData.Width.ToString());
}
}
}
/// <summary>
/// Uploads the binary stream by credential URI.
/// </summary>
/// <param name="blobUri">The BLOB URI.</param>
/// <param name="stream">The stream.</param>
/// <param name="contentType">Type of the content.</param>
/// <param name="fileName">Name of the file.</param>
/// <returns>System.String.</returns>
public override string UploadBinaryStreamByCredentialUri(string blobUri, Stream stream, string contentType, string fileName = null)
{
try
{
blobUri.CheckEmptyString(nameof(blobUri));
stream.CheckNullObject(nameof(stream));
var metaData = new BinaryStorageMetaData {
ContentType = contentType.SafeToString(HttpConstants.ContentType.BinaryDefault), Name = fileName
};
var blob = new CloudBlockBlob(new Uri(blobUri));
blob.Properties.FillMeta(metaData);
stream.Position = 0;
blob.UploadFromStream(stream);
return(blob.Properties.ETag);
}
catch (Exception ex)
{
throw ex.Handle(new { blobUri, contentType, fileName });
}
}
/// <summary>
/// Fetches the cloud meta. Returned object would only includes (md5, length, name, content type).
/// </summary>
/// <param name="identifier">The identifier.</param>
/// <returns>Beyova.BinaryStorageMetaData.</returns>
public override BinaryStorageMetaData FetchCloudMeta(BinaryStorageIdentifier identifier)
{
try
{
identifier.CheckNullObject(nameof(identifier));
identifier.Container.CheckEmptyString(nameof(identifier.Container));
identifier.Identifier.CheckEmptyString(nameof(identifier.Identifier));
var meta = client.GetObjectMetadata(identifier.Container, identifier.Identifier);
var result = new BinaryStorageMetaData(identifier)
{
Hash = meta.ContentMd5,
Length = meta.ContentLength,
Name = meta.ContentDisposition,
ContentType = meta.ContentType
};
return(result);
}
catch (Exception ex)
{
throw ex.Handle(identifier);
}
}
