WebApi 2 Building nested route using attribute routing. Results in mapping to two controllers at the same time

Question

I have two controllers one named "Products" and the other "ProductsGroup"

[RoutePrefix("api/{clientUrl}/products")]
public class ProductsController : BaseApiController
{
    /// <summary>
    /// Get all products from a client
    /// </summary>
    /// <returns></returns>
    [Route("")]
    public HttpResponseMessage Get()
    {
        var model = Repository.GetProducts(ClientId).Select(p => ModelFactory.Create<ProductsModel>(p));
        return Request.CreateResponse(HttpStatusCode.OK, model);
    }
}

[RoutePrefix("api/{clientUrl}/products/groups")]
public class ProductGroupsController : BaseApiController
{
    /// <summary>
    /// Get all productgroups
    /// </summary>
    /// <returns></returns>
    [Route("")]
    public HttpResponseMessage Get()
    {
        var model = Repository.GetProductGroups(ClientId);
        return Request.CreateResponse(HttpStatusCode.OK, model);
    }
}

When i route like this the ProductGroupsController i not accessable due to "Multiple controller types were found that match the URL"

Is it possible to make the routing ignore the "products" part of the url and only map to the productgroupscontroller?

s.matushonok · Accepted Answer · 2014-09-16 13:55:59Z

5

Consider using single controller for both:

[RoutePrefix("api/{clientUrl}/products")]
public class ProductsController : BaseApiController
{
    [Route("")]
    public HttpResponseMessage GetProducts()  {}

    [Route("groups")]
    public HttpResponseMessage GetProductGroups()  {}
}

Or don't use RoutePrefixes:

public class ProductsController : BaseApiController
{
    [Route("api/{clientUrl}/products")]
    public HttpResponseMessage Get()  {}
}

public class ProductGroupsController : BaseApiController
{
    [Route("api/{clientUrl}/products/groups")]
    public HttpResponseMessage Get()    {  }
}

answered Sep 16, 2014 at 13:55

s.matushonok

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1 Comment

argoo Over a year ago

Well, i'll go for the single controller then. Thanks!

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