public async Task<PublishedRate> CalculatePublishedRateAsync(QuotationRequest request, Product product, IEnumerable<ValueAddedService> valueAddedServices)
{
var url = new StringBuilder();
if (request.ReceiverCountry == "MY" || request.ReceiverCountry == "Malaysia")
{
request.ItemCategory = request.Weight < 2.01m ? "Document" : "Merchandise";
}
url.Append("/calculator/CalculateRate2");
url.Append($"?ProductCode={product.Code}");
url.Append($"&SenderPostCode={request.SenderPostcode}&SenderCountryCode=MY&ReceiverPostCode={request.ReceiverPostcode}&ReceiverCountryCode={request.ReceiverCountry}");
url.Append($"&ItemCategoryName={request.ItemCategory}");
url.Append($"&ActualWeight={request.Weight}&Width={request.Width}&Height={request.Height}&Length={request.Length}");
url.Append($"&surcharge_S01=S01&surcharge_S03=S03&surcharge_S05=S05"); // 3 surcharge wajib
foreach (var v in valueAddedServices)
{
url.Append($"&vas_{v.Code}={v.Code}");
foreach (var p in v.UserInputs)
{
url.Append($"&{v.Code}_{p.Name}={p.Value}");
}
}
var response = await m_snbWebAppClient.GetStringAsync(url.ToString());
var json = JObject.Parse(response);
var rate = new PublishedRate(json);
rate.ProductCode = product.Code;
rate.ProductName = product.Name;
rate.ItemCategory = request.ItemCategory;
return rate;
}
public async Task<decimal?> CalculateValueAddedServiceAsync(QuotationRequest request, Product product, ValueAddedService vas)
{
var userInputs = string.Join("\r\n", vas.UserInputs.Select(x => $"public const decimal {x.Name} = {x.Value}m;"));
var options = ScriptOptions.Default
.WithImports("System")
.WithImports("System.Math");
var script = CSharpScript
.Create<decimal>($@"
using System;
public class CalcHost
{{
const string ITEM_CATEGORY_NAME = ""{request.ItemCategory}"";
const bool IS_INTERNATIONAL = {(request.ReceiverCountry != "MY" ? "true" : "false")};
{userInputs}
// TODO : like BASE_RATE and stuff
public decimal Evaluate()
{{
{vas.Formula}
}}
}}
").ContinueWith(@"
var calc = new CalcHost();
").ContinueWith(@"
return calc.Evaluate();
").WithOptions(options);
var result = await script.RunAsync();
return (decimal?)result.ReturnValue;
}
public async Task <decimal?> CalculateValueAddedServiceAsync(QuotationRequest request, Product product, ValueAddedService vas)
{
await Task.Delay(2000);
if (string.IsNullOrWhiteSpace(vas.Formula))
{
return(new Random(DateTime.Now.Second).Next(DateTime.Now.Millisecond));
}
return(vas.Formula.Length);
}
public Task <PublishedRate> CalculatePublishedRateAsync(QuotationRequest request, Product product, IEnumerable <ValueAddedService> valueAddedServices)
{
//
throw new NotImplementedException();
}