public override async Task <bool> DeleteAsync(BlobProviderDeleteArgs args)
{
var blobName = AzureBlobNameCalculator.Calculate(args);
if (await BlobExistsAsync(args, blobName))
{
return(await GetBlobClient(args, blobName).DeleteIfExistsAsync());
}
return(false);
}
public override async Task <Stream> GetOrNullAsync(BlobProviderGetArgs args)
{
var blobName = AzureBlobNameCalculator.Calculate(args);
if (!await BlobExistsAsync(args, blobName))
{
return(null);
}
var blobClient = GetBlobClient(args, blobName);
var download = await blobClient.DownloadAsync();
return(await TryCopyToMemoryStreamAsync(download.Value.Content, args.CancellationToken));
}
public override async Task SaveAsync(BlobProviderSaveArgs args)
{
var blobName = AzureBlobNameCalculator.Calculate(args);
var configuration = args.Configuration.GetAzureConfiguration();
if (!args.OverrideExisting && await BlobExistsAsync(args, blobName))
{
throw new BlobAlreadyExistsException($"Saving BLOB '{args.BlobName}' does already exists in the container '{GetContainerName(args)}'! Set {nameof(args.OverrideExisting)} if it should be overwritten.");
}
if (configuration.CreateContainerIfNotExists)
{
await CreateContainerIfNotExists(args);
}
await GetBlobClient(args, blobName).UploadAsync(args.BlobStream, true);
}
public override async Task <Stream> GetOrNullAsync(BlobProviderGetArgs args)
{
var blobName = AzureBlobNameCalculator.Calculate(args);
if (!await BlobExistsAsync(args, blobName))
{
return(null);
}
var blobClient = GetBlobClient(args, blobName);
var download = await blobClient.DownloadAsync();
var memoryStream = new MemoryStream();
await download.Value.Content.CopyToAsync(memoryStream);
return(memoryStream);
}
public override async Task <bool> ExistsAsync(BlobProviderExistsArgs args)
{
var blobName = AzureBlobNameCalculator.Calculate(args);
return(await BlobExistsAsync(args, blobName));
}