/// <summary>
/// Call this method from the controller to perform routing.
/// </summary>
/// <param name="viewData">Routing view data.</param>
/// <param name="oModel">Model to be passed to the view.</param>
/// <returns>View URL.</returns>
public static string Route(ref RoutingViewData viewData, out object oModel)
{
RouteTemplate template = viewData?.ActiveTemplate;
if (template != null)
{
try
{
oModel = ResolveVM(template);
if (oModel is IRoutable)
{
(oModel as IRoutable).RouteUrl(ref viewData);
}
else
{
viewData = null;
}
return(template.ViewUrl);
}
catch (Exception ex)
{
Trace.Fail(ex.ToString());
}
}
oModel = null;
return(null);
}
/// <summary>
/// Call this method from the controller to perform routing.
/// </summary>
/// <param name="viewData">Routing view data.</param>
/// <param name="oModel">Model to be passed to the view.</param>
/// <returns>View URL.</returns>
public static string Route(ref RoutingViewData viewData, out object oModel)
{
RouteTemplate template = viewData?.ActiveTemplate;
if (template != null)
{
try
{
oModel = ResolveVM(template);
if (oModel is IRoutable)
{
(oModel as IRoutable).RouteUrl(ref viewData);
}
else
{
viewData = null;
}
return(template.ViewUrl);
}
catch (Exception ex)
{
Logger.LogError($"Failed to route: {ex.Message}");
}
}
oModel = null;
return(null);
}
/// <summary>
/// Call this method from the controller to perform routing.
/// </summary>
/// <param name="viewData">Routing view data.</param>
/// <param name="oModel">Model to be passed to the view.</param>
/// <returns>View URL.</returns>
public static string Route(ref RoutingViewData viewData, out IRoutable oModel)
{
var template = viewData.ActiveTemplate;
if (template != null)
{
try
{
oModel = template.VMType != null?VMController.CreateInstance(template.VMType, null) as IRoutable : null;
if (oModel != null)
{
oModel.RouteUrl(ref viewData);
}
return(template.ViewUrl);
}
catch (Exception ex)
{
Trace.Fail(ex.ToString());
}
}
oModel = null;
return(null);
}
public void Routing_RouteBookDetails()
{
var viewData = new RoutingViewData("/index/books/book/the-martian", "/Index_cshtml", typeof(TestNavBarVM));
IRoutable model;
string viewId = String.Empty;
viewId = RoutableExtension.Route(ref viewData, out model);
Assert.IsNotNull(viewId);
Assert.AreEqual("/Index_cshtml", viewId);
Assert.IsNotNull(model is TestNavBarVM);
var activatedEventArgs = (model as TestNavBarVM).TestActivatedEventArgs;
Assert.IsNotNull(activatedEventArgs);
Assert.AreEqual("books", activatedEventArgs.Active);
viewId = RoutableExtension.Route(ref viewData, out model);
Assert.IsNotNull(viewId);
Assert.AreEqual("/BookStore_cshtml", viewId);
Assert.IsNotNull(model is TestBookStoreVM);
activatedEventArgs = (model as TestBookStoreVM).TestActivatedEventArgs;
Assert.IsNotNull(activatedEventArgs);
Assert.AreEqual("book/the-martian", activatedEventArgs.Active);
viewId = RoutableExtension.Route(ref viewData, out model);
Assert.IsNotNull(viewId);
Assert.AreEqual("/BookDetails_cshtml", viewId);
Assert.IsNotNull(model is TestBookDetailsVM);
var routedEventArgs = (model as TestBookDetailsVM).TestRoutedEventArgs;
Assert.IsNotNull(routedEventArgs);
Assert.AreEqual("book/the-martian", routedEventArgs.From);
}
/// <summary>
/// Call this method from the controller to perform routing.
/// </summary>
/// <param name="viewData">Routing view data.</param>
/// <param name="oModel">Model to be passed to the view.</param>
/// <returns>View URL.</returns>
public static string Route(ref RoutingViewData viewData, out object oModel)
{
RouteTemplate template = viewData?.ActiveTemplate;
if (template != null)
{
try
{
oModel = template.VMType != null?VMController.CreateInstance(template.VMType, null) : null;
if (oModel is IRoutable)
{
(oModel as IRoutable).RouteUrl(ref viewData);
}
else
{
viewData = null;
}
return(template.ViewUrl);
}
catch (Exception ex)
{
Trace.Fail(ex.ToString());
}
}
oModel = null;
return(null);
}
public ActionResult Routing(RoutingViewData iViewData)
{
IRoutable model;
var viewId = RoutableExtension.Route(ref iViewData, out model);
if (viewId != null)
{
ViewData["Routing"] = iViewData;
return Demo(viewId.Replace("/Demo/", ""), model);
}
return new EmptyResult();
}
public static string GetInitialStates(IVMFactory vmFactory, ref string path, Type entryVMType)
{
string result = null;
try
{
using (var vmController = new VMController((arg1, arg2, arg3) => Task.CompletedTask, vmFactory))
{
// Traverse the routing path to get initial states of all the view models involved.
var vmStates = new List <string>();
if (!Path.HasExtension(path))
{
var viewData = new RoutingViewData(path, null, entryVMType);
RoutableExtension.Route(ref viewData, out object vm);
while (vm != null)
{
object vmArgs = null;
if (vm is IRoutable routable)
{
// If at the end of the path and the view model has a default route template (blank url pattern),
// append a slash to the path to ensure it's correctly routed.
if (path.Trim('/').Length > 0 && string.Compare(viewData.UrlPath, viewData.Root, true) == 0 && routable.RoutingState.Templates.Any(i => i.UrlPattern == ""))
{
path += "/";
}
// Determine the "RoutingState.Origin" property value and pass it as argument to the view model
// associated with the current path to set its initial state correctly.
string args = routable.InitArgs(viewData);
Match match = Regex.Match(args, "'RoutingState.Origin':\\s*'(.*?)'");
if (match.Success)
{
vmArgs = JsonConvert.DeserializeObject($"{{{match.Value}}}");
}
}
string vmName = vm.GetType().Name;
vmStates.Add($"\"{vmName}\":{vmController.GetInitialState(vmName, vmArgs)}");
// Traverse the next path.
RoutableExtension.Route(ref viewData, out vm);
}
result = $"{{{string.Join(",", vmStates)}}}";
}
return(result);
}
}
catch (Exception ex)
{
Logger.LogError($"Failed to get SSR initial states: {ex.Message}");
return(null);
}
}
public static string GetInitialStates(ref string path, Type entryVMType)
{
try
{
// Traverse the routing path to get initial states of all the view models involved.
var vmStates = new List <string>();
if (path.Trim('/').Length > 0)
{
var viewData = new RoutingViewData(path, null, entryVMType);
RoutableExtension.Route(ref viewData, out IRoutable vm);
while (vm != null)
{
// If at the end of the path and the view model has a default route template (blank url pattern),
// append a slash to the path to ensure it's correctly routed.
if (string.Compare(viewData.UrlPath, viewData.Root, true) == 0 && vm.RoutingState.Templates.Any(i => i.UrlPattern == ""))
{
path += "/";
}
// Determine the "RoutingState.Origin" property value and pass it as argument to the view model
// associated with the current path to set its initial state correctly.
object vmArgs = null;
var args = vm.InitArgs(viewData);
var match = Regex.Match(args, "'RoutingState.Origin':\\s*'(.*?)'");
if (match.Success)
{
vmArgs = JsonConvert.DeserializeObject($"{{{match.Value}}}");
}
var vmName = vm.GetType().Name;
vmStates.Add($"\"{vmName}\":{VMController.GetInitialState(vmName, vmArgs)}");
// Traverse the next path.
RoutableExtension.Route(ref viewData, out vm);
}
}
return($"{{{string.Join(",", vmStates)}}}");
}
catch (Exception ex)
{
System.Diagnostics.Trace.Fail(ex.ToString());
return(null);
}
}
/// <summary>
/// Performs routing. The URL path is given inside the view data, along with the initial route template to start from.
/// This is a recursive method that will be called again by the nested views until the route is resolved.
/// </summary>
/// <param name="routable">Routable view model.</param>
/// <param name="viewData">Routing view data.</param>
public static void RouteUrl(this IRoutable routable, ref RoutingViewData viewData)
{
var routingState = routable.RoutingState;
if (routingState == null)
{
return;
}
viewData.ActiveTemplate = null;
routingState.Origin = viewData.Origin;
if (routingState.Templates != null)
{
viewData.Root = viewData.Root?.TrimEnd('/') + "/" + routingState.Root;
var bestMatch = MatchTemplate(routingState.Templates, viewData.UrlPath, viewData.Root);
Trace.WriteLine($"[dotNetify] Matched route {viewData.UrlPath}: {bestMatch?.Value}");
if (bestMatch != null)
{
viewData.ActiveTemplate = bestMatch.Value.Key;
if (bestMatch.Value.Value != null && bestMatch.Value.Key.VMType != null)
{
routingState.Active = bestMatch.Value.Value;
}
else
{
routingState.Active = null;
}
}
// If there's no match, but the Active path has a default value, resolve its route.
else if (routingState.Active != null)
{
bestMatch = MatchTemplate(routingState.Templates, routingState.Active, null);
if (bestMatch != null)
{
viewData.ActiveTemplate = bestMatch.Value.Key;
}
}
}
// Pass along information from this view to the next nested view.
viewData.Origin = routingState.Active;
}
/// <summary>
/// Call this method from the controller to perform routing.
/// </summary>
/// <param name="iViewData">Routing view data.</param>
/// <param name="oModel">Model to be passed to the view.</param>
/// <returns>View URL.</returns>
public static string Route(ref RoutingViewData iViewData, out IRoutable oModel)
{
var template = iViewData.ActiveTemplate;
if (template != null)
{
try
{
oModel = template.VMType != null ? Activator.CreateInstance(template.VMType) as IRoutable : null;
if (oModel != null)
oModel.RouteUrl(ref iViewData);
return template.ViewUrl;
}
catch (Exception ex)
{
Trace.Fail(ex.ToString());
}
}
oModel = null;
return null;
}
/// <summary>
/// Performs routing. The URL path is given inside the view data, along with the initial route template to start from.
/// This is a recursive method that will be called again by the nested views until the route is resolved.
/// </summary>
/// <param name="iRoutable">Routable view model.</param>
/// <param name="iViewData">Routing view data.</param>
public static void RouteUrl(this IRoutable iRoutable, ref RoutingViewData iViewData)
{
var routingState = iRoutable.RoutingState;
iViewData.ActiveTemplate = null;
routingState.Origin = iViewData.Origin;
if (routingState.Templates != null)
{
iViewData.Root = iViewData.Root + "/" + routingState.Root;
var bestMatch = MatchTemplate(routingState.Templates, iViewData.UrlPath, iViewData.Root);
if (bestMatch != null)
{
iViewData.ActiveTemplate = bestMatch.Value.Key;
if (bestMatch.Value.Value != null && typeof(IRoutable).IsAssignableFrom(bestMatch.Value.Key.VMType))
routingState.Active = bestMatch.Value.Value;
else
routingState.Active = null;
}
// If there's no match, but the Active path has a default value, resolve its route.
else if (routingState.Active != null)
{
bestMatch = MatchTemplate(routingState.Templates, routingState.Active, null);
if (bestMatch != null)
iViewData.ActiveTemplate = bestMatch.Value.Key;
}
}
// Pass along information from this view to the next nested view.
iViewData.Origin = routingState.Active;
}
/// <summary>
/// Performs routing. The URL path is given inside the view data, along with the initial route template to start from.
/// This is a recursive method that will be called again by the nested views until the route is resolved.
/// </summary>
/// <param name="routable">Routable view model.</param>
/// <param name="viewData">Routing view data.</param>
public static void RouteUrl(this IRoutable routable, ref RoutingViewData viewData)
{
var routingState = routable.RoutingState;
if (routingState == null)
return;
viewData.ActiveTemplate = null;
routingState.Origin = viewData.Origin;
if (routingState.Templates != null)
{
viewData.Root = viewData.Root + "/" + routingState.Root;
var bestMatch = MatchTemplate(routingState.Templates, viewData.UrlPath, viewData.Root);
Trace.WriteLine($"[DEBUG] Matched route {viewData.UrlPath}: {bestMatch?.Value}");
if (bestMatch != null)
{
viewData.ActiveTemplate = bestMatch.Value.Key;
if (bestMatch.Value.Value != null && typeof(IRoutable).IsAssignableFrom(bestMatch.Value.Key.VMType))
routingState.Active = bestMatch.Value.Value;
else
routingState.Active = null;
}
// If there's no match, but the Active path has a default value, resolve its route.
else if (routingState.Active != null)
{
bestMatch = MatchTemplate(routingState.Templates, routingState.Active, null);
if (bestMatch != null)
viewData.ActiveTemplate = bestMatch.Value.Key;
}
}
// Pass along information from this view to the next nested view.
viewData.Origin = routingState.Active;
}
