public async Task <T> Load <T>(Guid aggregateId, CancellationToken cancellationToken = default)
where T : IAggregate, new()
{
var aggregate = new T();
var containerName = CosmosExtensions.GetContainerName <T>();
var db = await _client.CreateDatabaseIfNotExistsAsync("LoyaltyCardDB");
var container = await db.Database.CreateContainerIfNotExistsAsync(containerName, "/AggregateId");
QueryDefinition query = new QueryDefinition("select * from t where t.AggregateId = @aggregateId")
.WithParameter("@aggregateId", aggregateId.ToString());
FeedIterator <EventData> queryResultSetIterator = container.Container.GetItemQueryIterator <EventData>(query);
while (queryResultSetIterator.HasMoreResults)
{
FeedResponse <EventData> currentResultSet = await queryResultSetIterator.ReadNextAsync();
aggregate.Load(
currentResultSet.Last().Version,
Enumerable.ToArray(currentResultSet.Select(re =>
_serializer.DeserializeFromJson(re.Data, re.EventType))));
}
return(aggregate);
}
