public void Init(Entities.EntityApp app) {
_log = app.GetService<INotificationLogService>();
//Create default email notification provider, if there's IEmailSendService registered
if (_providers.Count == 0) {
var smtp = _app.GetService<IEmailSendService>();
if (smtp != null)
_providers.Add(new EmailNotificationProvider(_app));
}
//init providers
foreach (var prov in _providers)
prov.Init(app);
}