public void RegisterToEvent(RegisterReq req)
{
/*This is bound to be common validation for a lot of RESTful requests.
* I would much rather it be in a custom filter if I had the time*/
if (ctx.Events.Any(e => e.Name == req.EventName))
{
req.IsError = true;
req.Error = "This event does not exist";
}
//far less common validation so give it to a service
service.ValidateRegister(ref req);
if (req.IsError)
{
throw new Exception(req.Error);
}
else
{
try
{
ctx.BeginTransaction();
ctx.Events.FirstOrDefault(e => e.Name == req.EventName &&
e.Location.Country.CountryCode == req.Country)
.RegisteredEmails.Add(req.EmailAddress);
ctx.SetModified(ctx.Events);
ctx.CommitTransaction();
}
catch
{
ctx.RollbackTransaction();
}
}
}
