public EquationModule(IEquationService service)
{
Post["/resolve"] = _ =>
{
// deserialize the request body data
var inputVm = this.Bind <EquationViewModel>();
try
{
// get results from the service
return
(Response.AsJson(EquationWithResultViewModel.CreateFromResult(inputVm,
service.GetEquationResult(inputVm.Equation))));
}
catch (ArgumentException ex)
{
// parsing error or invalid equation -> return a proper HTTP Code and error details (400)
return(Response.AsJson(EquationWithResultViewModel.CreateFromError(EquationWithResultViewModel.CreateFromError(inputVm, ex), ex),
HttpStatusCode.BadRequest));
}
// other issues will return a 500 (server crash), this is unandled as it refers to a bug or unexpected behavior
};
}
public void Init()
{
_equationService = new EquationService();
}
public EquationViewModel(IEquationService equationService)
{
_equationService = equationService;
}
