public static void AuditTrack(this AppStorageContext ctx, IWebApiContext workContext)
{
if (workContext == null)
{
return;
}
var now = DateTime.Now;
var addedAuditedEntities = ctx.ChangeTracker.Entries <ReadModelBase>()
.Where(p => p.State == EntityState.Added)
.Select(p => p.Entity);
var modifiedAuditedEntities = ctx.ChangeTracker.Entries <ReadModelBase>()
.Where(p => p.State == EntityState.Modified)
.Select(p => p.Entity);
if (!modifiedAuditedEntities.Any() && !addedAuditedEntities.Any())
{
return;
}
var currentUser = workContext.UserName ?? "System";
foreach (var added in addedAuditedEntities)
{
added.CreatedBy = currentUser;
added.CreatedDate = now;
added.Deleted = false;
added.ModifiedBy = currentUser;
added.ModifiedDate = now;
}
foreach (var modified in modifiedAuditedEntities)
{
modified.ModifiedBy = currentUser;
modified.ModifiedDate = now;
if (modified is ISoftDelete)
{
if (modified.Deleted.HasValue && modified.Deleted.Value)
{
modified.DeletedBy = currentUser;
modified.DeletedDate = now;
}
}
}
}
public static async Task DispatchDomainEventsAsync(this AppStorageContext ctx, IMediator mediator)
{
var domainEntities = ctx.ChangeTracker
.Entries <ReadModelBase>()
.Where(x => x.Entity.DomainEvents != null && x.Entity.DomainEvents.Any());
var domainEvents = domainEntities
.SelectMany(x => x.Entity.DomainEvents)
.ToList();
domainEntities.ToList()
.ForEach(entity => entity.Entity.ClearDomainEvents());
var tasks = domainEvents
.Select(async d => await mediator.Publish(d));
await Task.WhenAll(tasks);
}