From afc4b923cc800d421252dfe72ab112632e05bf7a Mon Sep 17 00:00:00 2001
From: Ody Mbegbu <odytrice@gmail.com>
Date: Wed, 11 Apr 2018 09:03:12 +0100
Subject: [PATCH] Add folder support to Razor View Search

---
 src/Giraffe.Razor/RazorEngine.fs | 39 ++++++++++++++++++++++++++++----
 1 file changed, 35 insertions(+), 4 deletions(-)

diff --git a/src/Giraffe.Razor/RazorEngine.fs b/src/Giraffe.Razor/RazorEngine.fs
index 284388e..fa0be2e 100644
--- a/src/Giraffe.Razor/RazorEngine.fs
+++ b/src/Giraffe.Razor/RazorEngine.fs
@@ -15,20 +15,51 @@ module RazorEngine =
     open FSharp.Control.Tasks.ContextInsensitive
     open Giraffe
 
+    let private extractRouteData (path:string) =
+        
+        let templatePath = path + "" //Normalize nulls
+
+        //Split path into segments and reverse the orders        
+        let segments = 
+            templatePath.Split('/', '\\')
+            |> List.ofSeq 
+            |> List.rev
+
+        let routeValues = 
+            seq {
+                for i in 1..segments.Length do
+                    match i with
+                    | 1 -> yield "action", segments.[0]
+                    | 2 -> yield "controller", segments.[1]
+                    | 3 -> yield "area", segments.[2]
+                    | x -> yield sprintf "token-%d" (x), segments.[x - 1]
+            }
+
+        //Create RouteData Object using Values Created
+        let routeData = RouteData()
+
+        for (key,value) in routeValues do
+            routeData.Values.Add(key, value)
+        
+        routeData
+
     let renderView (razorViewEngine   : IRazorViewEngine)
                    (tempDataProvider  : ITempDataProvider)
                    (httpContext       : HttpContext)
                    (viewName          : string)
                    (model             : 'T) =
         task {
-            let actionContext    = ActionContext(httpContext, RouteData(), ActionDescriptor())
-            let viewEngineResult = razorViewEngine.FindView(actionContext, viewName, true)
+            let routeData = extractRouteData(viewName)
+            let templateName = routeData.Values.["action"].ToString() 
+
+            let actionContext    = ActionContext(httpContext, routeData, ActionDescriptor())
+            let viewEngineResult = razorViewEngine.FindView(actionContext, templateName, true)
 
             match viewEngineResult.Success with
             | false ->
                 let locations = String.Join(" ", viewEngineResult.SearchedLocations)
-                return Error (sprintf "Could not find view with the name '%s'. Looked in %s." viewName locations)
-            | true  ->
+                return Error (sprintf "Could not find view with the name '%s'. Looked in %s." templateName locations)
+            | true ->
                 let view = viewEngineResult.View
                 let viewDataDict       = ViewDataDictionary<'T>(EmptyModelMetadataProvider(), ModelStateDictionary(), Model = model)
                 let tempDataDict       = TempDataDictionary(actionContext.HttpContext, tempDataProvider)