public async Task Commit()
{
await _pending.ForEach(async (aggregateType, aggregateID, events) =>
{
var aggregatePath = AggregatePath(_root, aggregateType, aggregateID);
var lines = events
.Select(e => JsonConvert.SerializeObject(e, JsonSerializerSettings))
.ToArray();
await _fileSystem.AppendFileLines(aggregatePath, lines);
});
var eventsForProjection = _pending.AllEvents.ToArray();
foreach (var projection in _projections)
{
foreach (var @event in eventsForProjection)
{
projection.Apply(@event);
var projectionPath = Path.Combine(_root, projection.For.Name + ".json");
var projectionJson = JsonConvert.SerializeObject(projection.ToMemento(), Formatting.Indented, JsonSerializerSettings);
await _fileSystem.WriteFile(projectionPath, async stream =>
{
using (var writer = new StreamWriter(stream))
await writer.WriteAsync(projectionJson);
});
}
}
_pending.Clear();
}
private void PerformCommit()
{
_pendingEvents.ForEach((aggregateType, aggregateID, events) =>
{
_storeEvents.AddEvents(aggregateType, aggregateID, events);
foreach (var projection in _projections)
{
foreach (var @event in events)
{
projection.Apply(@event);
}
}
});
_pendingEvents.Clear();
}