Apps/Api/Api.csproj

@@ -1,7 +1,21 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
+  <PropertyGroup>
+    <GenerateDocumentationFile>true</GenerateDocumentationFile>
+    <NoWarn>$(NoWarn);1591</NoWarn>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\Infrastructure\Infrastructure.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="NSwag.AspNetCore" Version="13.9.4" />
+  </ItemGroup>
+
   <PropertyGroup>
     <TargetFramework>net5.0</TargetFramework>
   </PropertyGroup>
+  
 
 </Project>

Apps/Api/Controllers/LinksController.cs

@@ -0,0 +1,44 @@
+using System.Threading.Tasks;
+using HN.Application;
+using MediatR;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+
+namespace Api.Controllers
+{
+  [ApiController]
+  [Route("api/[controller]")]
+  public sealed class LinksController : ControllerBase
+  {
+    private readonly IMediator _bus;
+
+    public LinksController(IMediator bus)
+    {
+      _bus = bus;
+    }
+
+    /// <summary>
+    /// Retrieve all links already posted.
+    /// </summary>
+    /// <returns></returns>
+    [ProducesResponseType(typeof(LinkDto[]), StatusCodes.Status200OK)]
+    [ProducesResponseType(StatusCodes.Status400BadRequest)]
+    public async Task<IActionResult> GetLinks()
+    {
+      return Ok(await _bus.Send(new ListLinksQuery()));
+    }
+
+    /// <summary>
+    /// Post a new link.
+    /// </summary>
+    /// <param name="command"></param>
+    /// <returns></returns>
+    [HttpPost]
+    public async Task<IActionResult> CreateLink(AddLinkCommand command)
+    {
+      var result = await _bus.Send(command);
+
+      return Created("blabla", result);
+    }
+  }
+}

Apps/Api/HttpExecutingUserProvider.cs

@@ -0,0 +1,32 @@
+using System;
+using HN.Application;
+using HN.Infrastructure.Identity;
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Identity;
+
+namespace Api
+{
+  public sealed class HttpExecutingUserProvider : IExecutingUserProvider
+  {
+    private readonly IHttpContextAccessor _httpContextAccessor;
+    private readonly UserManager<User> _userManager;
+
+    public HttpExecutingUserProvider(IHttpContextAccessor httpContextAccessor, UserManager<User> userManager)
+    {
+      _httpContextAccessor = httpContextAccessor;
+      _userManager = userManager;
+    }
+
+    public Guid GetCurrentUserId()
+    {
+      var uid = _userManager.GetUserId(_httpContextAccessor.HttpContext.User);
+
+      if (!Guid.TryParse(uid, out Guid result))
+      {
+        throw new UserNotConnected();
+      }
+
+      return result;
+    }
+  }
+}

Apps/Api/Startup.cs

@@ -1,12 +1,24 @@
+using System;
+using HN.Application;
+using HN.Infrastructure;
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Routing;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
 
 namespace Api
 {
+  public class MockExecutingContext : IExecutingUserProvider
+  {
+    public Guid GetCurrentUserId()
+    {
+      return Guid.NewGuid();
+    }
+  }
+
   public class Startup
   {
     public Startup(IConfiguration configuration)
@@ -20,21 +32,43 @@ namespace Api
     // For more information on how to configure your application, visit https://go.microsoft.com/fwlink/?LinkID=398940
     public void ConfigureServices(IServiceCollection services)
     {
+      services.AddHN(Configuration).ResolveConnectedUserWith<MockExecutingContext>();
+      services.AddHttpContextAccessor();
 
+      // Permet d'avoir des routes en lowercase
+      services.Configure<RouteOptions>(options =>
+      {
+        options.LowercaseUrls = true;
+        options.LowercaseQueryStrings = true;
+      });
+
+      services.AddControllers();
+      services.AddSwaggerDocument(d =>
+      {
+        d.PostProcess = od =>
+        {
+          od.Info.Title = "Hacker news like API in .Net";
+        };
+        d.SchemaType = NJsonSchema.SchemaType.OpenApi3;
+      });
     }
 
     // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
     public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
     {
+      app.UseOpenApi();
+
       if (env.IsDevelopment())
       {
         app.UseDeveloperExceptionPage();
+        app.UseSwaggerUi3();
       }
 
       app.UseRouting();
 
       app.UseEndpoints(endpoints =>
       {
+        endpoints.MapControllers();
         endpoints.MapGet("/", async context =>
               {
                 await context.Response.WriteAsync("Hello World!");

Apps/Api/UserNotConnected.cs

@@ -0,0 +1,12 @@
+using System;
+
+namespace Api
+{
+  public sealed class UserNotConnected : Exception
+  {
+    public UserNotConnected() : base("User not connected!")
+    {
+
+    }
+  }
+}

Apps/Api/appsettings.json

@@ -6,5 +6,8 @@
       "Microsoft.Hosting.Lifetime": "Information"
     }
   },
+  "ConnectionStrings": {
+    "Default": "Data Source=../Website/hn.db"
+  },
   "AllowedHosts": "*"
 }

README.md

@@ -167,13 +167,17 @@ $ cd Api
 $ dotnet new gitignore
 ```
 
+L'attribut ApiController : https://docs.microsoft.com/en-us/aspnet/core/web-api/?view=aspnetcore-5.0#apicontroller-attribute
+
+On ajoute NSwag pour la génération de la documentation avec `dotnet add package NSwag.AspNetCore`.
+
 Pour plus tard, pour la génération de doc :
 
 project.csproj
 
   <PropertyGroup>
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
-    <DocumentationFile>bin\YourApi.XML</DocumentationFile>
+    <NoWarn>$(NoWarn);1591</NoWarn>
   </PropertyGroup>
 
 ## Docker