public static ImageEntity FromTableEntity(ImageTableEntity tableEntity)
{
return(new ImageEntity()
{
UserName = tableEntity.UserName,
Id = tableEntity.Id,
Name = tableEntity.Name
});
}
public async Task <Image> DeleteImageAsync(string id)
{
var image = new ImageTableEntity {
Id = id
};
await TableClient.DeleteEntityAsync(image.PartitionKey, image.RowKey);
return(image);
//TODO : Bubble up errors through the stack
}
public async Task <ImageTableEntity> AddOrUpdateAsync(ImageTableEntity image)
{
if (string.IsNullOrWhiteSpace(image.Id))
{
image.Id = Guid.NewGuid().ToString();
image.UserName = this.userNameProvider.UserName;
}
await imageTable.ExecuteAsync(TableOperation.InsertOrReplace(image));
return(image);
}
public async Task <Image> GetImageAsync(string id)
{
var image = new ImageTableEntity()
{
Id = id
};
await foreach (ImageTableEntity item in TableClient.QueryAsync <ImageTableEntity>(i => i.PartitionKey == image.PartitionKey && i.RowKey == image.RowKey))
{
return(item);
}
return(null);
}
public string GetDownloadUrl(ImageTableEntity image)
{
// Create a SAS token that's valid for one hour.
BlobSasBuilder sasBuilderBlob = new BlobSasBuilder()
{
BlobContainerName = blobContainerClient.Name,
BlobName = image.Id,
Resource = "b",
};
sasBuilderBlob.StartsOn = DateTimeOffset.UtcNow.Subtract(TimeSpan.FromMinutes(15));
sasBuilderBlob.ExpiresOn = DateTimeOffset.UtcNow.AddHours(1);
sasBuilderBlob.SetPermissions(BlobSasPermissions.Read);
// Use the key to get the SAS token.
var sasToken = sasBuilderBlob.ToSasQueryParameters(new StorageSharedKeyCredential(blobServiceClient.AccountName, connectionStringProvider.AccountKey)).ToString();
return(blobContainerClient.GetBlockBlobClient(image.Id).Uri + "?" + sasToken);
}
