karbyninc · February 11, 2016 15:00
diff --git a/AttributeRouting.cs b/AttributeRouting.cs
 public IQueryable<CustomerPurchases> GetPurchases(int customerID)
 {
 return _purchaseService.GetPurchases(customerID);
 }
diff --git a/AttributeRouting10.cs b/AttributeRouting10.cs
 public class CouponCodeConstraint : IHttpRouteConstraint
    {
      public bool Match(HttpRequestMessage request, IHttpRoute route, string parameterName,
       IDictionary&lt;string, object&gt; values, HttpRouteDirection routeDirection)
        {
            object o;

            if (values.TryGetValue(parameterName, out o) &amp;&amp; o != null)
            {
                if (!values.TryGetValue(parameterName, out o) || o == null)
                    return false;
                ///Coupon Code must be in format c#####c, i.e. A12345D
                return (Regex.Match(Convert.ToString(o), "^[a-zA-Z][0-9]{5}[a-zA-Z]$").Success);
            }
            return false;
        }
    }
diff --git a/AttributeRouting11.cs b/AttributeRouting11.cs
 public static class WebApiConfig
    {
        public static void Register(HttpConfiguration config)
        {
            // Web API configuration and services
            var constraintResolver = new DefaultInlineConstraintResolver();
            constraintResolver.ConstraintMap.Add("coupon", typeof(CouponCodeConstraint));

            // Web API routes
            config.MapHttpAttributeRoutes(constraintResolver);

            config.Routes.MapHttpRoute(
                name: "DefaultApi",
                routeTemplate: "api/{controller}/{id}",
                defaults: new { id = RouteParameter.Optional }
            );
        }
    }
diff --git a/AttributeRouting12.cs b/AttributeRouting12.cs
 [HttpGet, Route("{couponCode:coupon}")]
 public HttpResponseMessage GetCoupon(String couponCode)
 {
    ...
 }
diff --git a/AttributeRouting2.cs b/AttributeRouting2.cs
 [HttpGet, Route("api/customer/{customerID}/purchases")]
diff --git a/AttributeRouting3.cs b/AttributeRouting3.cs
 [HttpGet, Route("api/customer/{customerID}/purchases")]
 public IQueryable<CustomerPurchases> GetPurchases(int customerID)
 {
 return _purchaseService.GetPurchases(customerID);
 }
diff --git a/AttributeRouting4.cs b/AttributeRouting4.cs
 [RoutePrefix("api/customer")]
 public class CustomerController : ApiController
diff --git a/AttributeRouting5.cs b/AttributeRouting5.cs
 [HttpGet, Route("{customerID}")]
diff --git a/AttributeRouting6.cs b/AttributeRouting6.cs
 [HttpGet, Route("api/customer/{customerID:guid}/purchases")]
diff --git a/AttributeRouting7.cs b/AttributeRouting7.cs
 [Route("api/pages/{pageNum:int=1}")]
diff --git a/AttributeRouting8.cs b/AttributeRouting8.cs
 [Route("api/pages/{pageNum:int?}")]
diff --git a/AttributeRouting9.cs b/AttributeRouting9.cs
 [Route("{customerID:minlength(1):alpha}")]
	public IQueryable<CustomerPurchases> GetPurchases(int customerID)
	{
	return _purchaseService.GetPurchases(customerID);
	}
	public class CouponCodeConstraint : IHttpRouteConstraint
	{
	public bool Match(HttpRequestMessage request, IHttpRoute route, string parameterName,
	IDictionary<string, object> values, HttpRouteDirection routeDirection)
	{
	object o;

	if (values.TryGetValue(parameterName, out o) && o != null)
	{
	if (!values.TryGetValue(parameterName, out o) \|\| o == null)
	return false;
	///Coupon Code must be in format c#####c, i.e. A12345D
	return (Regex.Match(Convert.ToString(o), "^[a-zA-Z][0-9]{5}[a-zA-Z]$").Success);
	}
	return false;
	}
	}
	public static class WebApiConfig
	{
	public static void Register(HttpConfiguration config)
	{
	// Web API configuration and services
	var constraintResolver = new DefaultInlineConstraintResolver();
	constraintResolver.ConstraintMap.Add("coupon", typeof(CouponCodeConstraint));

	// Web API routes
	config.MapHttpAttributeRoutes(constraintResolver);

	config.Routes.MapHttpRoute(
	name: "DefaultApi",
	routeTemplate: "api/{controller}/{id}",
	defaults: new { id = RouteParameter.Optional }
	);
	}
	}
	[HttpGet, Route("{couponCode:coupon}")]
	public HttpResponseMessage GetCoupon(String couponCode)
	{
	...
	}
	[HttpGet, Route("api/customer/{customerID}/purchases")]
	public IQueryable<CustomerPurchases> GetPurchases(int customerID)
	{
	return _purchaseService.GetPurchases(customerID);
	}
	[RoutePrefix("api/customer")]
	public class CustomerController : ApiController