private SalesPersonAndGroup GetChosenSalesPerson(SalesPersonRequest salesPersonRequest)
{
SalesPersonAndGroup chosenperson = null;
Random rand = new Random();
// Linq will get excuted only when accessed. No need to
List <SalesPersonAndGroup> anySalesPerson = SalesPeopleData.SalesPeopleInfo;
List <SalesPersonAndGroup> personsSpecialisingInCar =
SalesPeopleData.SalesPeopleInfo.FindAll(x => x.Groups.Any(x => x == salesPersonRequest.CarType));
List <SalesPersonAndGroup> personsSpecialisingInLangAndCar =
SalesPeopleData.SalesPeopleInfo.FindAll(x =>
x.Groups.Any(x => x == salesPersonRequest.Language) &&
x.Groups.Any(x => x == salesPersonRequest.CarType));
if (personsSpecialisingInLangAndCar.Count >= 1)
{
chosenperson = GetSaleSPersonAtRandom(rand, personsSpecialisingInLangAndCar);
}
else if (personsSpecialisingInCar.Count >= 1)
{
chosenperson = GetSaleSPersonAtRandom(rand, personsSpecialisingInCar);
}
else if (anySalesPerson.Count > 1)
{
chosenperson = GetSaleSPersonAtRandom(rand, anySalesPerson);
}
else
{
throw new Exception("Possibly no sales person DATA INPUT");
}
return(chosenperson);
}
public AssignedSalesPerson AssignTheMostSuitableSalesPerson(SalesPersonRequest salesPersonRequest)
{
ValidateRequest(salesPersonRequest);
SalesPersonAndGroup chosenperson = GetChosenSalesPerson(salesPersonRequest);
// we want to send sepaciality descriptions not just code
return(ParseToAssignedSalesPerson(chosenperson));;
}
private void ValidateRequest(SalesPersonRequest salesPersonRequest)
{
// we need to validate the input since api can be called from any client
// like postman, fiddler
if (!customerLanguageService.IsValidLanguage(salesPersonRequest.Language))
{
throw new Exception("Invalid langauge selection");
}
if (!carTypesService.IsValidCarType(salesPersonRequest.CarType))
{
throw new Exception("Invalid car type selection");
}
}
public AssignedSalesPerson Post([FromBody] SalesPersonRequest salesPersonRequest)
{
try
{
AssignedSalesPerson assignedSalesPerson = salesPersonAssignmentService
.AssignTheMostSuitableSalesPerson(salesPersonRequest);
return(assignedSalesPerson);
}
catch (Exception ex)
{
Response.StatusCode = 500;
HttpContext.Response.HttpContext.Features.Get <IHttpResponseFeature>().ReasonPhrase = ex.Message;
return(null);
}
}