public TagTransactionEntity(TagTransactionOperation operation, string channel, string alias, string username)
{
if (String.IsNullOrEmpty(alias))
{
throw new ArgumentNullException(nameof(alias));
}
if (String.IsNullOrEmpty(username))
{
throw new ArgumentNullException(nameof(username));
}
channel = String.IsNullOrEmpty(channel) ? "@" : channel;
var now = DateTime.UtcNow.ToString("yyyy-MMdd-HHmm-ss");
var uniquifier = Uniquifier++;
var transactionId = $"{username}|{now}-{uniquifier % 10000}";
this.PartitionKey = TagTransactionEntity.CalculatePartitionKey(channel, transactionId);
this.RowKey = TagTransactionEntity.CalculateRowKey();
this.Channel = channel;
this.Alias = alias;
this.Username = username;
this.Id = transactionId;
this.Operation = operation.ToString();
this.StagedBlobUri = $"{channel}/{alias}/{transactionId}";
}
public async Task <string> DownloadTextAsync(TagTransactionEntity tagTx)
{
var container = await this.ConnectAsync();
var blob = container.GetBlockBlobReference(tagTx.StagedBlobUri);
return(await blob.DownloadTextAsync());
}
public TagTransactionMessageEntity(TagTransactionEntity tagTransaction, string message)
{
this.PartitionKey = TagTransactionMessageEntity.CalculatePartitionKey(tagTransaction.Channel, tagTransaction.Id);
this.RowKey = TagTransactionMessageEntity.CalculateRowKey();
this.Channel = tagTransaction.Channel;
this.Id = tagTransaction.Id;
this.Operation = tagTransaction.Operation;
this.Message = (message.Length > MaxMessageLength) ? message.Substring(0, MaxMessageLength) : message;
}
public async Task<TagTransactionEntity> GetTagTransactionAsync(string channel, string transactionId)
{
var partitionKey = TagTransactionEntity.CalculatePartitionKey(channel, transactionId);
var rowKey = TagTransactionEntity.CalculateRowKey();
var op = TableOperation.Retrieve<TagTransactionEntity>(partitionKey, rowKey);
var result = await this.Table.ExecuteAsync(op);
return (TagTransactionEntity)result.Result;
}
public async Task UploadFromStreamAsync(TagTransactionEntity tagTx, Stream stream)
{
var container = await this.ConnectAsync();
var blob = container.GetBlockBlobReference(tagTx.StagedBlobUri);
blob.Properties.ContentType = "application/swid-tag";
blob.Metadata.Add("channel", tagTx.Channel);
blob.Metadata.Add("alias", tagTx.Alias);
blob.Metadata.Add("username", tagTx.Username);
await blob.UploadFromStreamAsync(stream);
}
public async Task AddTagTransactionErrorMessageAsync(TagTransactionEntity entity, string message)
{
var change = this.Batch();
if (entity.TryUpdateOperation(TagTransactionOperation.Error))
{
var errorEntity = entity.AsError();
change.Update(errorEntity);
}
var messageEntity = new TagTransactionMessageEntity(entity, message);
change.Create(messageEntity);
await change.WhenAll();
}
internal static string CalculatePartitionKey(string channel, string transactionId)
{
return(TagTransactionEntity.CalculatePartitionKey(channel, transactionId));
}
