public static async Task UpdateAsync <T>(this IMongoCollection <T> collection, SquidexEvent @event, EnvelopeHeaders headers, Action <T> updater) where T : class, IEntity, new()
{
var entity =
await collection.Find(t => t.Id == headers.AggregateId())
.FirstOrDefaultAsync();
if (entity == null)
{
throw new DomainObjectNotFoundException(headers.AggregateId().ToString(), typeof(T));
}
await collection.UpdateAsync(@event, headers, entity, updater);
}
private static void SetId(IEntity entity, EnvelopeHeaders headers)
{
if (entity is IUpdateableEntity updateable && updateable.Id == Guid.Empty)
{
updateable.Id = headers.AggregateId();
}
}
protected Task On(ContentDeleted @event, EnvelopeHeaders headers)
{
return(ForSchemaIdAsync(@event.SchemaId.Id, collection =>
{
return collection.DeleteOneAsync(x => x.Id == headers.AggregateId());
}));
}
public static async Task <bool> TryUpdateAsync <T>(this IMongoCollection <T> collection, SquidexEvent @event, EnvelopeHeaders headers, Action <T> updater) where T : class, IEntity, new()
{
var entity =
await collection.Find(t => t.Id == headers.AggregateId())
.FirstOrDefaultAsync();
if (entity != null)
{
if (entity is IEntityWithVersion withVersion)
{
var eventVersion = headers.EventStreamNumber();
if (eventVersion <= withVersion.Version)
{
return(false);
}
}
await collection.UpdateAsync(@event, headers, entity, updater);
return(true);
}
return(false);
}
protected Task On(ContentDeleted @event, EnvelopeHeaders headers)
{
return(ForAppIdAsync(@event.AppId.Id, async collection =>
{
await collection.UpdateManyAsync(
Filter.And(
Filter.AnyEq(x => x.ReferencedIds, @event.ContentId),
Filter.AnyNe(x => x.ReferencedIdsDeleted, @event.ContentId)),
Update.AddToSet(x => x.ReferencedIdsDeleted, @event.ContentId));
await collection.DeleteOneAsync(x => x.Id == headers.AggregateId());
}));
}
private static void SetId(EnvelopeHeaders headers, IMongoEntity entity)
{
entity.Id = headers.AggregateId();
}