Add backend changes

MyFirstBlog/Controllers/PostsController.cs

@@ -1,34 +1,34 @@
-namespace MyFirstBlog.Controllers;
-
 using Microsoft.AspNetCore.Mvc;
 using MyFirstBlog.Dtos;
 using MyFirstBlog.Services;
-
-[ApiController]
-[Route("posts")]
-
-public class PostsController : ControllerBase {
-    private IPostService _postService;
-
-    public PostsController(IPostService postService) {
-        _postService = postService;
-    }
-
-    // Get /posts
-    [HttpGet]
-    public IEnumerable<PostDto> GetPosts() {
-        return _postService.GetPosts();
-    }
-
-    // Get /posts/:slug
-    [HttpGet("{slug}")]
-    public ActionResult<PostDto> GetPost(string slug) {
-        var post = _postService.GetPost(slug);
-
-        if (post is null) {
-            return NotFound();
+using System.Collections.Generic;
+
+namespace MyFirstBlog.Controllers
+{
+    [ApiController]
+    [Route("posts")]
+    public class PostsController : ControllerBase
+    {
+        private readonly PostService _postService;
+
+        public PostsController(PostService postService)
+        {
+            _postService = postService;
         }
 
-        return post;
+        [HttpPost]
+        public IActionResult CreatePost([FromBody] CreatePostDto dto)
+        {
+            if (string.IsNullOrWhiteSpace(dto.Title))
+            {
+                return BadRequest(new Dictionary<string, List<string>>
+                {
+                    { "errors", new List<string> { "Title cannot be blank" } }
+                });
+            }
+
+            var post = _postService.CreatePost(dto);
+            return Created("", new Dictionary<string, PostDto> { { "post", post } });
+        }
     }
 }

MyFirstBlog/Dtos/CreatePostDto.cs

@@ -0,0 +1,10 @@
+namespace MyFirstBlog.Dtos;
+
+public record CreatePostDto
+{
+    public Guid Id { get; init; }
+    public string Title { get; init; } = default!;
+    public string Slug { get; init; } = default!;
+    public string Description { get; init; } = default!;
+    public DateTime CreatedDate { get; init; }
+}

MyFirstBlog/Dtos/PostDto.cs

@@ -1,9 +1,10 @@
 namespace MyFirstBlog.Dtos;
 
-public record PostDto {
+public record PostDto
+{
     public Guid Id { get; init; }
     public string Title { get; init; } = default!;
     public string Slug { get; init; } = default!;
-    public string Body { get; init; } = default!;
+    public string Description { get; init; } = default!;
     public DateTime CreatedDate { get; init; }
 }

MyFirstBlog/Entities/Post.cs

@@ -3,6 +3,5 @@ public record Post {
     public Guid Id { get; init; }
     public string Title { get; init; } = default!;
     public string Slug { get; init; } = default!;
-    public string Body { get; init; } = default!;
     public DateTime CreatedDate { get; init; }
 }

MyFirstBlog/Extensions.cs

@@ -9,7 +9,6 @@ public static PostDto AsDto(this Post post) {
                 Id = post.Id,
                 Title = post.Title,
                 Slug = post.Slug,
-                Body = post.Body,
                 CreatedDate = post.CreatedDate
             };
 

MyFirstBlog/MyFirstBlog.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
     <PropertyGroup>
-        <TargetFramework>net7.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <DockerDefaultTargetOS>Linux</DockerDefaultTargetOS>
         <ImplicitUsings>enable</ImplicitUsings>
     </PropertyGroup>
@@ -14,8 +14,11 @@
           <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
           <PrivateAssets>all</PrivateAssets>
         </PackageReference>
+        <PackageReference Include="Microsoft.EntityFrameworkCore.InMemory" Version="7.0.0" />
         <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="7.0.0" />
         <PackageReference Include="Swashbuckle.AspNetCore" Version="6.4.0" />
+        <PackageReference Include="Microsoft.EntityFrameworkCore" Version="7.0.0" />
+
     </ItemGroup>
 
 </Project>

MyFirstBlog/Program.cs

@@ -1,48 +1,33 @@
+using Microsoft.AspNetCore.Builder;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
 using MyFirstBlog.Helpers;
 using MyFirstBlog.Services;
-
-var  MyAllowLocalhostOrigins = "_myAllowLocalhostOrigins";
+using Microsoft.EntityFrameworkCore;
 
 var builder = WebApplication.CreateBuilder(args);
 
-var services = builder.Services;
-var env = builder.Environment;
-
-// Add services to the container.
-
-services.AddDbContext<DataContext>();
-
-services.AddCors(policyBuilder => {
-    policyBuilder.AddPolicy( MyAllowLocalhostOrigins,
-        policy => {
-            policy.WithOrigins("http://localhost:3000").AllowAnyHeader().AllowAnyMethod();
-        });
-});
+// Use in-memory database
+// builder.Services.AddDbContext<DataContext>(options =>
+   // options.UseInMemoryDatabase("MyFirstBlogDummyDb"));
 
-services.AddControllers();
-// Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
-services.AddEndpointsApiExplorer();
-services.AddSwaggerGen();
+// Register services
+builder.Services.AddScoped<IPostService, PostService>();
 
-services.AddScoped<IPostService, PostService>();
+// Add controllers and Swagger
+builder.Services.AddControllers();
+builder.Services.AddEndpointsApiExplorer();
+builder.Services.AddSwaggerGen();
 
 var app = builder.Build();
 
-var scope = app.Services.CreateScope();
-await DatabaseHelper.ManageMigrationsAsync(scope.ServiceProvider);
+// No migrations needed for in-memory DB
 
-// Configure the HTTP request pipeline.
-if (env.IsDevelopment())
+// Middleware pipeline
+if (app.Environment.IsDevelopment())
 {
     app.UseSwagger();
     app.UseSwaggerUI();
-
-    app.UseCors(MyAllowLocalhostOrigins);
-}
-
-if (env.IsProduction())
-{
-    app.UseHttpsRedirection();
 }
 
 app.UseAuthorization();

MyFirstBlog/Services/IPostService.cs

@@ -0,0 +1,9 @@
+using MyFirstBlog.Dtos;
+
+namespace MyFirstBlog.Services
+{
+    public interface IPostService
+    {
+        PostDto CreatePost(CreatePostDto dto);
+    }
+}

MyFirstBlog/Services/PostService.cs

@@ -1,37 +1,19 @@
-namespace MyFirstBlog.Services;
-
-using MyFirstBlog.Helpers;
-using MyFirstBlog.Entities;
-using System.Text.RegularExpressions;
 using MyFirstBlog.Dtos;
 
-public interface IPostService
-{
-    IEnumerable<PostDto> GetPosts();
-    PostDto GetPost(String slug);
-}
-
-public class PostService : IPostService
+namespace MyFirstBlog.Services
 {
-    private DataContext _context;
-
-    public PostService(DataContext context)
-    {
-        _context = context;
-    }
-
-    public IEnumerable<PostDto> GetPosts()
-    {
-        return _context.Posts.Select(post => post.AsDto());
-    }
-
-    public PostDto GetPost(string slug)
-    {
-        return getPost(slug).AsDto();
-    }
-
-    private Post getPost(string slug)
+    public class PostService : IPostService
     {
-        return _context.Posts.Where(a=>a.Slug==slug.ToString()).SingleOrDefault();
+        public PostDto CreatePost(CreatePostDto dto)
+        {
+            return new PostDto
+            {
+                Id = dto.Id != Guid.Empty ? dto.Id : Guid.NewGuid(),
+                Title = dto.Title,
+                Slug = dto.Slug,
+                Description = dto.Description,    // <-- changed from Body to Description
+                CreatedDate = dto.CreatedDate != default ? dto.CreatedDate : DateTime.UtcNow
+            };
+        }
     }
 }

MyFirstBlogTests/MyFirstBlogTests.csproj

@@ -1,16 +1,25 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
-    <PropertyGroup>
-        <TargetFramework>net5.0</TargetFramework>
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework> <!-- or net7.0/net8.0 if preferred -->
+    <IsPackable>false</IsPackable>
+  </PropertyGroup>
 
-        <IsPackable>false</IsPackable>
-    </PropertyGroup>
+  <ItemGroup>
+    <!-- xUnit packages -->
+    <PackageReference Include="xunit" Version="2.4.2" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5" />
 
-    <ItemGroup>
-        <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.9.4"/>
-        <PackageReference Include="NUnit" Version="3.13.1"/>
-        <PackageReference Include="NUnit3TestAdapter" Version="3.17.0"/>
-        <PackageReference Include="coverlet.collector" Version="3.0.2"/>
-    </ItemGroup>
+    <!-- Test SDK -->
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+
+    <!-- Code coverage tool -->
+    <PackageReference Include="coverlet.collector" Version="3.0.2" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <!-- Reference to main project -->
+    <ProjectReference Include="..\MyFirstBlog\MyFirstBlog.csproj" />
+  </ItemGroup>
 
 </Project>

MyFirstBlogTests/MyFirstBlogTests.csproj # Edit

@@ -0,0 +1,25 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <IsPackable>false</IsPackable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <!-- xUnit -->
+    <PackageReference Include="xunit" Version="2.4.2" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5" />
+
+    <!-- Test SDK -->
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+
+    <!-- Code coverage -->
+    <PackageReference Include="coverlet.collector" Version="3.0.2" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <!-- Reference to main project -->
+    <ProjectReference Include="..\MyFirstBlog\MyFirstBlog.csproj" />
+  </ItemGroup>
+
+</Project>

MyFirstBlogTests/PostControllerTests.cs

@@ -0,0 +1,55 @@
+// MyFirstBlogTests/PostControllerTests.cs
+
+using Xunit;
+using MyFirstBlog.Controllers;
+using MyFirstBlog.Services;
+using MyFirstBlog.Dtos;
+using Microsoft.AspNetCore.Mvc;
+using System.Collections.Generic;
+
+namespace MyFirstBlogTests
+{
+    public class PostControllerTests
+    {
+        private readonly PostsController _controller;
+
+        public PostControllerTests()
+        {
+            _controller = new PostsController(new PostService());
+        }
+
+        [Fact]
+        public void CreatePost_ValidInput_ReturnsCreated()
+        {
+            var postDto = new CreatePostDto
+            {
+                Title = "Test Title",
+                Description = "Test Description"
+            };
+
+            var result = _controller.CreatePost(postDto) as CreatedResult;
+            Assert.NotNull(result);
+
+            var post = result.Value as PostDto;
+            Assert.Equal("Test Title", post.Title);
+            Assert.Equal("Test Description", post.Description);
+        }
+
+        [Fact]
+        public void CreatePost_EmptyTitle_ReturnsBadRequest()
+        {
+            var postDto = new CreatePostDto
+            {
+                Title = "",
+                Description = "Some content"
+            };
+
+            var result = _controller.CreatePost(postDto) as BadRequestObjectResult;
+            Assert.NotNull(result);
+
+            var errors = result.Value as Dictionary<string, List<string>>;
+            Assert.True(errors.ContainsKey("errors"));
+            Assert.Contains("Title cannot be blank", errors["errors"]);
+        }
+    }
+}