public static async Task PostEvent(this IMediatorHandler mediator, SaleContext ctx)
{
var domainEntities = ctx.ChangeTracker
.Entries <Entity>()
.Where(x => x.Entity.Notifications != null && x.Entity.Notifications.Any());
var domainEvents = domainEntities
.SelectMany(x => x.Entity.Notifications)
.ToList();
domainEntities.ToList()
.ForEach(entity => entity.Entity.ClearEvents());
var tasks = domainEvents
.Select(async(domainEvent) =>
{
await mediator.PostEvent(domainEvent);
});
await Task.WhenAll(tasks);
}
public async Task <bool> Commit()
{
foreach (var entry in ChangeTracker.Entries().Where(entry => entry.Entity.GetType().GetProperty("CreatedDate") != null))
{
if (entry.State == EntityState.Added)
{
entry.Property("CreatedDate").CurrentValue = DateTime.Now;
}
if (entry.State == EntityState.Modified)
{
entry.Property("CreatedDate").IsModified = false;
}
}
var sucesso = await base.SaveChangesAsync() > 0;
if (sucesso)
{
await _mediatorHandler.PostEvent(this);
}
return(sucesso);
}
public async Task <bool> Debit(Guid productId, int quantity)
{
var product = await _productRepository.GetById(productId);
if (product == null)
{
return(false);
}
if (!product.HasAnyInStock(quantity))
{
return(false);
}
product.DebitStock(quantity);
if (product.StockQuantity < 2)
{
await _memoryBus.PostEvent(new ProductLowStockEvent(product.Id, product.StockQuantity));
}
_productRepository.Update(product);
return(await _productRepository.UnitOfWork.Commit());
}