public IHttpActionResult UpdateAgreement(int id, [FromBody] BaseRate.RateType newBaseRateType)
{
Agreement agreement = db.Agreements.Include("Customer").SingleOrDefault(x => x.Id == id);
if (agreement == null)
{
return(NotFound());
}
BaseRate.RateType oldBaseRateType = agreement.BaseRateType;
agreement.BaseRateType = newBaseRateType;
db.MarkAsModified(agreement);
try
{
db.SaveChanges();
}
catch (Exception ex)
{
return(InternalServerError(ex));
}
// check if base rate record exists
BaseRate currentBaseRate = db.BaseRates.SingleOrDefault(x => x.Code == oldBaseRateType);
BaseRate newBaseRate = db.BaseRates.SingleOrDefault(x => x.Code == newBaseRateType);
if (currentBaseRate == null || newBaseRate == null)
{
// Better solution would be to throw a custom exception with an error message
return(InternalServerError(new ArgumentNullException("Base Rate record was not found")));
}
// to client we need to return an agreement with an old base rate type
agreement.BaseRateType = oldBaseRateType;
var agremeentExtended = Agreements.GetExtendedAgreement(agreement, newBaseRateType, currentBaseRate.Value, newBaseRate.Value);
return(Ok(agremeentExtended));
}