private static string Action <TController>(
this IUrlHelper helper,
Expression <Func <TController, Task> > action,
UrlActionContext actionContext)
where TController : class
{
ExpressionRouteValues expressionRouteValues = GetExpresionRouteHelper(helper).Resolve(action, actionContext.Values);
ApplyRouteValues(actionContext, expressionRouteValues);
return(helper.Action(actionContext));
}
/// <summary>
/// Generates an absolute URL using the specified route name, <see cref="Expression{TDelegate}"/> for an action method,
/// from which action name, controller name and route values are resolved, and the specified additional route values.
/// </summary>
/// <typeparam name="TController">Controller, from which the action is specified.</typeparam>
/// <param name="routeName">The name of the route that is used to generate the URL.</param>
/// <param name="action">
/// The <see cref="Expression{TDelegate}"/>, from which action name,
/// controller name and route values are resolved.
/// </param>
/// <param name="values">An object that contains additional route values.</param>
/// <returns>The generated absolute URL.</returns>
public static string Link <TController>(
this IUrlHelper helper,
string routeName,
Expression <Func <TController, Task> > action,
object values)
where TController : class
{
ExpressionRouteValues expressionRouteValues = GetExpresionRouteHelper(helper).Resolve(action, values, addControllerAndActionToRouteValues: true);
return(helper.Link(routeName, expressionRouteValues.RouteValues));
}
private static void ApplyRouteValues(UrlActionContext actionContext, ExpressionRouteValues expressionRouteValues)
{
actionContext.Controller = expressionRouteValues.Controller;
actionContext.Action = expressionRouteValues.Action;
actionContext.Values = expressionRouteValues.RouteValues;
}