new backend feature merge to main

.gitignore

@@ -5,3 +5,4 @@ riderModule.iml
 /_ReSharper.Caches/
 .fake
 .vscode
+/.vs

MyFirstBlog/Controllers/PostsController.cs

@@ -31,4 +31,21 @@ public ActionResult<PostDto> GetPost(string slug) {
 
         return post;
     }
+
+    // POST /posts
+    [HttpPost]
+    public IActionResult CreatePost([FromBody] PostDto postDto)
+    {
+        // simple validation
+        if (string.IsNullOrWhiteSpace(postDto.Title))
+        {
+            return BadRequest(new { errors = new[] { "Title cannot be blank" } });
+        }
+
+        // use the service to create post
+        var createdPost = _postService.CreatePost(postDto);
+
+        // return 201 Created with the new post
+        return Created("", new { post = new { createdPost.Title, createdPost.Body } });
+    }
 }

MyFirstBlog/Dtos/CreatePostDto.cs

@@ -0,0 +1,13 @@
+namespace MyFirstBlog.Dtos;
+
+public class CreatePostDto
+{
+    public string Title
+    {
+        get; set;
+    }
+    public string Description
+    {
+        get; set;
+    }
+}

MyFirstBlog/Entities/Post.cs

@@ -5,4 +5,5 @@ public record Post {
     public string Slug { get; init; } = default!;
     public string Body { get; init; } = default!;
     public DateTime CreatedDate { get; init; }
+    public string Description { get; init; } = default!;
 }

MyFirstBlog/Helpers/DataContext.cs

@@ -1,22 +1,23 @@
-namespace MyFirstBlog.Helpers;
-
 using Microsoft.EntityFrameworkCore;
 using MyFirstBlog.Entities;
+using Microsoft.Extensions.Configuration;
 
-
-public class DataContext : DbContext
+namespace MyFirstBlog.Helpers
 {
-    protected readonly IConfiguration Configuration;
-
-    public DataContext(IConfiguration configuration)
+    public class DataContext : DbContext
     {
-        Configuration = configuration;
-    }
+        protected readonly IConfiguration Configuration;
 
-    protected override void OnConfiguring(DbContextOptionsBuilder options)
-    {
-        options.UseNpgsql(ConnectionHelper.GetConnectionString(Configuration));
-    }
+        public DataContext(IConfiguration configuration)
+        {
+            Configuration = configuration;
+        }
 
-    public DbSet<Post> Posts { get; set; }
-}
+        protected override void OnConfiguring(DbContextOptionsBuilder options)
+        {
+            options.UseNpgsql(ConnectionHelper.GetConnectionString(Configuration));
+        }
+
+        public DbSet<Post> Posts { get; set; }
+    }
+}

MyFirstBlog/Services/PostService.cs

@@ -9,6 +9,7 @@ public interface IPostService
 {
     IEnumerable<PostDto> GetPosts();
     PostDto GetPost(String slug);
+    void AddPost(Post post);
 }
 
 public class PostService : IPostService
@@ -30,6 +31,12 @@ public PostDto GetPost(string slug)
         return getPost(slug).AsDto();
     }
 
+    public void AddPost(Post post)
+    {
+        _context.Posts.Add(post);
+        _context.SaveChanges();
+    }
+
     private Post getPost(string slug)
     {
         return _context.Posts.Where(a=>a.Slug==slug.ToString()).SingleOrDefault();