private static void Audit(this DomainDbContext context, string user = null)
{
foreach (var change in context.ChangeTracker.Entries().Where(x => x.State == EntityState.Added || x.State == EntityState.Modified))
{
var readOnly = change.Entity as IReadOnly;
if (readOnly != null)
{
//change.State = EntityState.Unchanged;
//continue;
throw new InvalidOperationException("Attempt to change read-only data");
}
var audited = change.Entity as IAudited;
if (audited != null)
{
if (change.State == EntityState.Added)
{
audited.Audit.Created = DateTime.Now;
}
audited.Audit.Updated = DateTime.Now;
audited.Audit.User = user ?? new WindowsPrincipal(WindowsIdentity.GetCurrent()).Identity.Name;
}
}
}
public SqlCustomerData(DomainDbContext db)
{
this.db = db;
}
public static async Task <int> SaveAsync(this DomainDbContext context, string user = null)
{
context.Audit(user);
return(await context.SaveChangesWithErrorsAsync());
}
public static int Save(this DomainDbContext context, string user = null)
{
context.Audit(user);
return(context.SaveChangesWithErrors());
}