public async Task MarkAsReceivedAsync(SubscriptionUpdate update, CancellationToken cancellationToken)
{
await _table.CreateIfNotExistsAsync(null, null, cancellationToken);
var model = new ReceivedSubscriptionModel(update);
await _table.ExecuteAsync(TableOperation.InsertOrReplace(model), null, null, cancellationToken);
}
/// <summary>
/// Checks if a specific update has been received previousl.y
/// </summary>
/// <returns>True if already received</returns>
private async Task <bool> HasPreviouslyBeenReceivedAsync(SubscriptionUpdate s, CancellationToken cancellationToken)
{
await _table.CreateIfNotExistsAsync(null, null, cancellationToken);
var model = new ReceivedSubscriptionModel(s);
var partitionMatch = TableQuery.GenerateFilterCondition("PartitionKey", QueryComparisons.Equal, model.PartitionKey);
var rowMatch = TableQuery.GenerateFilterCondition("RowKey", QueryComparisons.Equal, model.RowKey);
var pointQuery = TableQuery.CombineFilters(partitionMatch, TableOperators.And, rowMatch);
var tableQuery = new TableQuery <ReceivedSubscriptionModel>
{
FilterString = pointQuery
};
var tableQueryResult = await _table.ExecuteQuerySegmentedAsync(tableQuery, null, null, null, cancellationToken);
return(tableQueryResult.Results.Count > 0);
}
