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richard
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Wire up DefaultViewLocator
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9 files changed

+128
-27
lines changed

9 files changed

+128
-27
lines changed

‎sample/Carter.HtmlNegotiator.Sample.csproj‎

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@@ -9,5 +9,12 @@
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<PackageReference Include="Microsoft.AspNetCore.Server.Kestrel" Version="2.1.0" />
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<PackageReference Include="Microsoft.AspNetCore.Hosting" Version="2.1.0" />
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<PackageReference Include="Carter" Version="3.7.0" />
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<PackageReference Include="Microsoft.Extensions.Logging.Console" Version="2.1.1" />
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<PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="2.1.1" />
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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\dependencies\Carter\src\Carter.csproj" />
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<ProjectReference Include="..\src\Carter.HtmlNegotiator.csproj" />
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</ItemGroup>
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</Project>

‎sample/HomeModule.cs‎

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This file was deleted.

‎sample/Modules/HomeModule.cs‎

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@@ -0,0 +1,24 @@
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namespace Carter.HtmlNegotiator.Sample.Modules
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{
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using Carter;
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using global::HtmlNegotiator;
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using Response;
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public class HomeModule : CarterModule
8+
{
9+
public HomeModule()
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{
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Get("/",
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async (req, res, routeData) =>
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{
14+
await res.Negotiate(new {title = "Hello World!", message = "Hello from Carter.HtmlNegotiator!"});
15+
});
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Get("/custom",
18+
async (req, res, routeData) =>
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{
20+
await res.View("myView", new {title = "Custom View!", message = "Hello from a custom view name!"});
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});
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}
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}
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}

‎sample/Startup.cs‎

Lines changed: 7 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,18 +1,24 @@
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namespace Carter.HtmlNegotiator.Sample
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{
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using Carter;
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using global::HtmlNegotiator;
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using Microsoft.AspNetCore.Builder;
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using Microsoft.Extensions.DependencyInjection;
7+
using Microsoft.Extensions.Logging;
68

79
public class Startup
810
{
911
public void ConfigureServices(IServiceCollection services)
1012
{
13+
services.AddHtmlNegotiator();
1114
services.AddCarter();
1215
}
1316

14-
public void Configure(IApplicationBuilder app)
17+
public void Configure(IApplicationBuilder app, ILoggerFactory logging)
1518
{
19+
logging.AddConsole();
20+
logging.AddDebug();
21+
1622
app.UseCarter();
1723
}
1824
}

‎sample/Views/Home/index.hbs‎

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,9 @@
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<!doctype html>
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<html lang="en">
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<head>
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<title>{{title}}</title>
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</head>
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<body>
7+
<h1>{{message}}</h1>
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</body>
9+
</html>

‎sample/Views/Home/myView.hbs‎

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,9 @@
1+
<!doctype html>
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<html lang="en">
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<head>
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<title>{{title}}</title>
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</head>
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<body>
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<h1>{{message}}</h1>
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</body>
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</html>

‎src/DefaultViewLocator.cs‎

Lines changed: 25 additions & 13 deletions
Original file line numberDiff line numberDiff line change
@@ -3,32 +3,28 @@
33
using System;
44
using System.Collections.Generic;
55
using System.IO;
6+
using System.Linq;
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using Microsoft.AspNetCore.Hosting;
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using Microsoft.AspNetCore.Http;
89

910
public class DefaultViewLocator : IViewLocator
1011
{
12+
private readonly HtmlNegotiatorOptions options;
1113
private readonly IDictionary<Type, string> mappings;
1214

1315
private readonly IDictionary<Type, string> htmlMappings;
1416

15-
public DefaultViewLocator(IDictionary<Type, string> mappings)
17+
public DefaultViewLocator(HtmlNegotiatorOptions options)
1618
{
17-
this.mappings = mappings;
19+
this.options = options;
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this.mappings = new Dictionary<Type, string>();
1821
this.htmlMappings = new Dictionary<Type, string>();
1922
}
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2124
public string GetView(object model, HttpContext httpContext)
2225
{
23-
string viewName = string.Empty;
24-
try
25-
{
26-
viewName = this.mappings[model.GetType()];
27-
}
28-
catch (Exception)
29-
{
30-
return string.Empty;
31-
}
26+
string viewName = httpContext.Items.ContainsKey("View") ? httpContext.Items["View"].ToString() : "index.hbs";
27+
string moduleName = "home";
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3329
if (this.htmlMappings.ContainsKey(model.GetType()))
3430
{
@@ -37,10 +33,26 @@ public string GetView(object model, HttpContext httpContext)
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3834
var env = (IHostingEnvironment)httpContext.RequestServices.GetService(typeof(IHostingEnvironment));
3935

40-
try
36+
if (httpContext.Items.ContainsKey("ModuleType"))
4137
{
42-
var html = File.ReadAllText(Path.Combine(env.ContentRootPath, viewName));
38+
var moduleType = httpContext.Items["ModuleType"] as Type;
39+
if (mappings.ContainsKey(moduleType))
40+
{
41+
moduleName = mappings[moduleType];
42+
}
43+
else
44+
{
45+
var moduleTypeName = moduleType.ToString().Split('.').Last().ToLower();
46+
moduleName = moduleTypeName.Substring(0, moduleTypeName.IndexOf("module"));
47+
mappings.Add(moduleType, moduleName);
48+
}
49+
}
4350

51+
try
52+
{
53+
var path = Path.Combine(env.ContentRootPath, options.ViewLocation, moduleName, viewName);
54+
path = Path.GetExtension(path) == ".hbs" ? path : $"{path}.hbs";
55+
var html = File.ReadAllText(path);
4456
this.htmlMappings.Add(model.GetType(), html);
4557

4658
return html;

‎src/IServiceCollectionExtentions.cs‎

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,32 @@
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namespace HtmlNegotiator
2+
{
3+
using System;
4+
using Carter;
5+
using Microsoft.Extensions.DependencyInjection;
6+
7+
public static class IServiceCollectionExtentions
8+
{
9+
public static void AddHtmlNegotiator(this IServiceCollection services)
10+
{
11+
services.AddScoped<IViewLocator>(provider => new DefaultViewLocator(new HtmlNegotiatorOptions()));
12+
services.AddScoped<IResponseNegotiator, HtmlNegotiator>();
13+
}
14+
15+
public static void AddHtmlNegotiator(this IServiceCollection services, Action<HtmlNegotiatorOptions> options)
16+
{
17+
services.Configure(options);
18+
services.AddScoped<IViewLocator, DefaultViewLocator>();
19+
services.AddScoped<IResponseNegotiator, HtmlNegotiator>();
20+
}
21+
}
22+
23+
public class HtmlNegotiatorOptions
24+
{
25+
public HtmlNegotiatorOptions()
26+
{
27+
ViewLocation = "views";
28+
}
29+
30+
public string ViewLocation { get; }
31+
}
32+
}

‎src/ResponseExtensions.cs‎

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@@ -0,0 +1,15 @@
1+
namespace HtmlNegotiator
2+
{
3+
using System.Threading.Tasks;
4+
using Carter.Response;
5+
using Microsoft.AspNetCore.Http;
6+
7+
public static class ResponseExtensions
8+
{
9+
public static async Task View(this HttpResponse res, string view, object model)
10+
{
11+
res.HttpContext.Items.Add("View", view);
12+
await res.Negotiate(model);
13+
}
14+
}
15+
}

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