DI .net core conditionally [AddKeyed]

				
					using AddKeyMethods;
using ConsoleApp1;
using Microsoft.Extensions.DependencyInjection;

var collection = new ServiceCollection();

collection.AddKeyedSingleton<ITaxCalculator, IndiaTaxCalculator>(Locations.India);
collection.AddKeyedSingleton<ITaxCalculator, UAETaxCalculator>(Locations.UAE);
collection.AddScoped<IndiaPurchase>();
collection.AddScoped<UAEPurchase>();
collection.AddScoped<MixPurchase>();
var provider = collection.BuildServiceProvider();

//ITaxCalculator calculator = provider.GetKeyedService<ITaxCalculator>(Locations.India);
Console.Clear();
//Console.WriteLine($"Your tax rate is {calculator.CalculateTax()}");


//..........INDIA...............................
var purchase = provider.GetService<IndiaPurchase>();
var total = purchase?.CheckOut();
Console.WriteLine(total);
//..............................................


//..........UAE..............................
var uaePurchase = provider.GetService<UAEPurchase>();
var totalUAEPrice = uaePurchase?.CheckOut();
Console.WriteLine(totalUAEPrice);
//..............................................



//.............MIX........

var mixPurchase = provider.GetService<MixPurchase>();
var totalMixPrice = mixPurchase?.CheckOut();
Console.WriteLine(totalMixPrice);

//.......................


Console.ReadKey();
				
			
				
					using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace AddKeyMethods
{
    public interface ITaxCalculator
    {
        int CalculateTax();
    }

    public class IndiaTaxCalculator : ITaxCalculator
    {
        public int CalculateTax() { return 30; }
        
    }

    public class UAETaxCalculator : ITaxCalculator
    {
        public int CalculateTax() { return 0; }

    }

    public enum Locations
    {
        India,
        UAE,
        USA
    }
}

				
			
				
					using AddKeyMethods;
using Microsoft.Extensions.DependencyInjection;
using System.Web.Http;

namespace ConsoleApp1
{
    public class IndiaPurchase
    {
        private readonly ITaxCalculator _taxCalculator;

        public IndiaPurchase([FromKeyedServices(Locations.India)]ITaxCalculator taxCalculator)
        {
            _taxCalculator = taxCalculator;
        }

        [HttpGet]
        public int CheckOut()
        {
            var total = _taxCalculator.CalculateTax() + 200;
            return total;
        }
    }
}




				
			
				
					using AddKeyMethods;
using Microsoft.Extensions.DependencyInjection;
using System.Web.Http;

namespace ConsoleApp1
{
    public class UAEPurchase
    {
        private readonly ITaxCalculator _taxCalculator;

        public UAEPurchase([FromKeyedServices(Locations.UAE)]ITaxCalculator taxCalculator)
        {
            _taxCalculator = taxCalculator;
        }

        [HttpGet]
        public int CheckOut()
        {
            var total = _taxCalculator.CalculateTax() + 0;
            return total;
        }
    }
}

				
			
				
					using AddKeyMethods;
using Microsoft.Extensions.DependencyInjection;
using System.Web.Http;

namespace ConsoleApp1
{
    public class MixPurchase
    {
        private readonly ITaxCalculator _indtaxCalculator;
        private readonly ITaxCalculator _uAEtaxCalculator;

        public MixPurchase([FromKeyedServices(Locations.India)]ITaxCalculator indtaxCalculator, [FromKeyedServices(Locations.UAE)] ITaxCalculator uAEtaxCalculator)
        {
            _indtaxCalculator = indtaxCalculator;
            _uAEtaxCalculator = uAEtaxCalculator;
        }

        [HttpGet]
        public int CheckOut()
        {
            var total = _indtaxCalculator.CalculateTax() + 200 + _uAEtaxCalculator.CalculateTax() + 2;
            return total;
        }
    }
}

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