public static async Task DeleteEventsAsync <TSaga>(this IDynamoDBContext context, TSaga instance, DynamoDbEventStoreOptions options) where TSaga : class, IV2EventSourcedSaga
{
var events = await context.GetEventsAsync(instance.CorrelationId, options);
var writer = context.CreateBatchWrite <V2EventStoreModel>(new DynamoDBOperationConfig {
OverrideTableName = options.StoreName
});
writer.AddDeleteItems(events);
await writer.ExecuteAsync();
}
public static async Task <AggregatedEvents> LoadEventsAsync(this IDynamoDBContext context, Guid aggregateId, IEnumerable <Type> knownTypes, DynamoDbEventStoreOptions options)
{
var data = await context.GetEventsAsync(aggregateId, options);
var events = new List <object>();
if (data is null)
{
return new AggregatedEvents {
Events = events, LastVersion = null
}
}
;
events.AddRange(data.SelectMany(@event => JsonSerialization.Deserialize(@event, knownTypes)));
return(new AggregatedEvents {
Events = events, LastVersion = data.Max(model => model.Version), AggregateId = aggregateId.ToString()
});
}