Use GetView in addition to FindView for view discovery

Author: pranavkm

samples/Mvc.RenderViewToString/Program.cs

@@ -23,7 +23,6 @@ public static void Main()
  var emailContent = RenderViewAsync(serviceScopeFactory).Result;
 
  Console.WriteLine(emailContent);
- Console.ReadLine();
  }
 
  public static IServiceScopeFactory InitializeServices(string customApplicationBasePath = null)
@@ -53,7 +52,7 @@ public static Task<string> RenderViewAsync(IServiceScopeFactory scopeFactory)
  UserData2 = 2
  };
 
- return helper.RenderViewToStringAsync("EmailTemplate", model);
+ return helper.RenderViewToStringAsync("Views/EmailTemplate.cshtml", model);
  }
  }
 
@@ -69,7 +68,7 @@ private static void ConfigureDefaultServices(IServiceCollection services, string
  else
  {
  applicationName = Assembly.GetEntryAssembly().GetName().Name;
- fileProvider = new PhysicalFileProvider(AppContext.BaseDirectory);
+ fileProvider = new PhysicalFileProvider(Directory.GetCurrentDirectory());
  }
 
  services.AddSingleton<IHostingEnvironment>(new HostingEnvironment

samples/Mvc.RenderViewToString/RazorViewToStringRenderer.cs

@@ -3,13 +3,15 @@
 
 using System;
 using System.IO;
+using System.Linq;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.AspNetCore.Mvc.Abstractions;
 using Microsoft.AspNetCore.Mvc.ModelBinding;
 using Microsoft.AspNetCore.Mvc.Razor;
 using Microsoft.AspNetCore.Mvc.Rendering;
+using Microsoft.AspNetCore.Mvc.ViewEngines;
 using Microsoft.AspNetCore.Mvc.ViewFeatures;
 using Microsoft.AspNetCore.Routing;
 
@@ -31,18 +33,10 @@ public RazorViewToStringRenderer(
  _serviceProvider = serviceProvider;
  }
 
- public async Task<string> RenderViewToStringAsync<TModel>(string name, TModel model)
+ public async Task<string> RenderViewToStringAsync<TModel>(string viewName, TModel model)
  {
  var actionContext = GetActionContext();
-
- var viewEngineResult = _viewEngine.FindView(actionContext, name, false);
-
- if (!viewEngineResult.Success)
- {
- throw new InvalidOperationException(string.Format("Couldn't find view '{0}'", name));
- }
-
- var view = viewEngineResult.View;
+ var view = FindView(actionContext, viewName);
 
  using (var output = new StringWriter())
  {
@@ -67,6 +61,28 @@ public async Task<string> RenderViewToStringAsync<TModel>(string name, TModel mo
  }
  }
 
+ private IView FindView(ActionContext actionContext, string viewName)
+ {
+ var getViewResult = _viewEngine.GetView(executingFilePath: null, viewPath: viewName, isMainPage: true);
+ if (getViewResult.Success)
+ {
+ return getViewResult.View;
+ }
+
+ var findViewResult = _viewEngine.FindView(actionContext, viewName, isMainPage: true);
+ if (findViewResult.Success)
+ {
+ return findViewResult.View;
+ }
+
+ var searchedLocations = getViewResult.SearchedLocations.Concat(findViewResult.SearchedLocations);
+ var errorMessage = string.Join(
+ Environment.NewLine,
+ new[] { $"Unable to find view '{viewName}'. The following locations were searched:" }.Concat(searchedLocations)); ;
+
+ throw new InvalidOperationException(errorMessage);
+ }
+
  private ActionContext GetActionContext()
  {
  var httpContext = new DefaultHttpContext();