UrlAbsolute

UrlAbsoluteExtensions.cs

using Microsoft.AspNetCore.Mvc;

namespace kwd.gist {
    /// <summary>
    /// Provide Absolute versions of URL helper methods.
    /// </summary>
    /// <remarks>
    /// Source: https://gist.github.com/383acd462242194024981fbe53a84980.git
    /// These cannot be used to change host or protocol,
    /// use inbuilt MVC UrlHelper for that.
    /// Based on stuff from Marius Schulz
    /// https://blog.mariusschulz.com/2011/06/30/how-to-build-absolute-action-urls-using-the-urlhelper-class
    /// Based on SO
    /// https://stackoverflow.com/questions/434604/how-do-i-find-the-absolute-url-of-an-action-in-asp-net-mvc
    /// Using Microsoft.AspNetCore.Mvc.Core UrlHelperExtensions.cs to find overloads.
    /// </remarks>
    public static class UrlAbsoluteExtensions
    {
        public static string ActionAbsolute(this IUrlHelper urlHelper) =>
            urlHelper.ActionAbsolute(null, null, null, null);

        public static string ActionAbsolute(this IUrlHelper urlHelper, string action) =>
            urlHelper.ActionAbsolute(action, null, null, null);

        public static string ActionAbsolute(this IUrlHelper urlHelper, string action, object values) =>
            urlHelper.ActionAbsolute(action, null, values, null);

        public static string ActionAbsolute(this IUrlHelper urlHelper, string action, string controller) =>
            urlHelper.ActionAbsolute(action, controller, null, null);

        public static string ActionAbsolute(this IUrlHelper urlHelper, string action, string controller, object values) =>
            urlHelper.ActionAbsolute(action, controller, values, null);

        public static string ActionAbsolute(this IUrlHelper urlHelper, string action, string controller, object values,
            string fragment) =>
            urlHelper.Action(action, controller, values, 
                urlHelper.ActionContext.HttpContext.Request.Scheme,
                urlHelper.ActionContext.HttpContext.Request.Host.Value, 
                fragment);

        public static string RouteUrlAbsolute(this IUrlHelper urlHelper, object values) =>
            urlHelper.RouteUrlAbsolute(null, values, null);

        public static string RouteUrlAbsolute(this IUrlHelper urlHelper, string routeName) =>
            urlHelper.RouteUrlAbsolute(routeName, null, null);

        public static string RouteUrl(this IUrlHelper urlHelper, string routeName, object values) =>
            urlHelper.RouteUrlAbsolute(routeName, values, null);
        
        public static string RouteUrlAbsolute(this IUrlHelper urlHelper, string routeName, object values,
            string fragment) =>
            urlHelper.RouteUrl(routeName, values,
                urlHelper.ActionContext.HttpContext.Request.Scheme,
                urlHelper.ActionContext.HttpContext.Request.Host.Value,
                fragment);
    }
}