public override async Task <int> SaveChangesAsync(CancellationToken cancellationToken = default(CancellationToken))
{
var entityList = AttributesHelper.GetAuditedEntities(this);
ChangeTracker.DetectChanges();
var modifiedEntities = ChangeTracker.Entries()
.Where(p => entityList.Contains(p.Entity.GetType().Name) && (p.State == EntityState.Modified ||
p.State == EntityState.Added ||
p.State == EntityState.Deleted ||
p.State == EntityState.Modified ||
p.State == EntityState.Detached))
.Select(x => x).ToList();
var now = DateTime.UtcNow;
foreach (var entity in modifiedEntities)
{
StartAudit(entity);
}
var validationErrors = ChangeTracker
.Entries <IValidatableObject>()
.SelectMany(e => e.Entity.Validate(null))
.Where(r => r != ValidationResult.Success);
if (validationErrors.Any())
{
// Possibly throw an exception here
foreach (var err in validationErrors)
{
Trace.TraceError(err.ErrorMessage);
}
}
return(await base.SaveChangesAsync());
}