AV.Enumeration.ModelBinder 1.4.0

Custom ModelBinder to allow Enumeration class to pass as a query string parameter.

Want to know more about the Enumeration class?

See Enumeration class blog post series

Usage

• PaymentType Enumeration class with Behaviour

public abstract class PaymentType : Enumeration
{
    public static readonly PaymentType DebitCard = new DebitCardType();

    public static readonly PaymentType CreditCard = new CreditCardType();

    public abstract string Code { get; }

    private PaymentType(int value, string name = null) : base(value, name)
    {
    }

    private class DebitCardType : PaymentType
    {
        public DebitCardType() : base(0, "DebitCard")
        {
        }

        public override string Code => "DC";
    }

    private class CreditCardType : PaymentType
    {
        public CreditCardType() : base(1, "CreditCard")
        {
        }

        public override string Code => "CC";
    }
}

• PaymentType Enumeration as a query string parameter

// Startup.cs
public void ConfigureServices(IServiceCollection services)
{
    services.AddControllers(options =>
    {
        options.ModelBinderProviders.Insert(0, new EnumerationQueryStringModelBinderProvider());
    });
}

// Controller
[ApiController]
[Route("[controller]")]
public class TransactionController : ControllerBase
{
    [HttpGet]
    [Route("code")]
    public string Get(PaymentType paymentType)
    {
        return paymentType.Code;
    }
}