Check that the get returns as expected and added Comments in the post

Author: Oyvind Timian Dokk Husveg

exercise.tests/IntegrationTests/PostTests.cs

@@ -33,6 +33,55 @@ public void TearDown()
             _factory.Dispose();
         }
 
+        [Test]
+        public async Task GetAllPosts()
+        {
+            // Act: get all posts
+            var response = await _client.GetAsync("/posts");
+            var contentString = await response.Content.ReadAsStringAsync();
+            var message = string.IsNullOrWhiteSpace(contentString) ? null : JsonNode.Parse(contentString);
+
+            // Assert status
+            Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK));
+
+            // Assert JSON structure
+            Assert.That(message, Is.Not.Null);
+            Assert.That(message?["message"]?.GetValue<string>(), Is.EqualTo("success"));
+
+            var data = message?["data"]?.AsArray();
+            Assert.That(data, Is.Not.Null);
+            Assert.That(data!.Count, Is.GreaterThan(0));
+
+
+            Console.WriteLine("Message: " + message);
+
+            // Check first post for structure
+            var post = data!.First();
+            Assert.That(post["id"]?.GetValue<int>(), Is.GreaterThan(0));
+            Assert.That(post["content"]?.GetValue<string>(), Is.Not.Null);
+            Assert.That(post["numLikes"]?.GetValue<int>(), Is.Not.Null);
+            Assert.That(post["createdAt"], Is.Not.Null);
+
+            // Check nested user
+            var user = post["user"];
+            Assert.That(user, Is.Not.Null);
+            Assert.That(user!["id"]?.GetValue<int>(), Is.GreaterThan(0));
+            Assert.That(user["firstName"]?.GetValue<string>(), Is.Not.Null);
+            Assert.That(user["lastName"]?.GetValue<string>(), Is.Not.Null);
+            Assert.That(user["photo"], Is.Not.Null);
+
+            // Check nested comments
+            var comments = post["comments"]?.AsArray();
+            Assert.That(comments, Is.Not.Null);
+            // Check comments
+            if (comments!.Count > 0)
+            {
+                var comment = comments!.First();
+                Assert.That(comment["content"]?.GetValue<string>(), Is.Not.Null);
+                Assert.That(comment["id"]?.GetValue<int>(), Is.GreaterThan(0));
+            }
+        }
+
         [Test]
         public async Task SuccessfulCreatePostStatus()
         {

exercise.wwwapi/Data/DataContext.cs

@@ -29,6 +29,19 @@ protected override void OnModelCreating(ModelBuilder modelBuilder)
                 .Property(u => u.Role)
                 .HasConversion<string>();
 
+
+            //modelBuilder.Entity<User>()
+            //    .HasMany(u => u.Post)
+            //    .WithOne(p => p.User)
+            //    .HasForeignKey(p => p.UserId)
+            //    .OnDelete(DeleteBehavior.Cascade);
+
+            modelBuilder.Entity<Post>()
+                .HasMany(p => p.Comments)
+                .WithOne(c => c.Post)
+                .HasForeignKey(c => c.PostId)
+                .OnDelete(DeleteBehavior.Cascade);
+
             //modelBuilder.Entity<UserCohort>()
             //    .HasKey(tc => new { tc.UserId, tc.CohortId });
 

exercise.wwwapi/Endpoints/PostEndpoints.cs

@@ -56,7 +56,7 @@ public static IResult CreatePost(IRepository<User> userservice, IRepository<Post
         [ProducesResponseType(StatusCodes.Status200OK)]
         public static IResult GetAllPosts(IRepository<Post> service, IMapper mapper)
         {
-            IEnumerable<Post> results = service.GetWithIncludes(q => q.Include(p => p.User));
+            IEnumerable<Post> results = service.GetWithIncludes(q => q.Include(p => p.User).Include(p => p.Comments).ThenInclude(c => c.User));
             IEnumerable<PostDTO> postDTOs = mapper.Map<IEnumerable<PostDTO>>(results);
             ResponseDTO<IEnumerable<PostDTO>> response = new ResponseDTO<IEnumerable<PostDTO>>()
             {
@@ -94,7 +94,7 @@ public static IResult UpdatePost(IRepository<Post> service, IMapper mapper, int
         [ProducesResponseType(StatusCodes.Status404NotFound)]
         private static IResult DeletePost(IRepository<Post> service, int id)
         {
-            Post? post = service.GetById(id, q => q.Include(p => p.User));
+            Post? post = service.GetById(id, q => q.Include(p => p.User).Include(p => p.Comments).ThenInclude(c => c.User));
             if (post == null) return TypedResults.NotFound(new ResponseDTO<Object> { Message = "Post not found" });
 
             service.Delete(id);

exercise.wwwapi/Tools/MappingProfile.cs

@@ -17,6 +17,9 @@ public MappingProfile()
             CreateMap<User, UserBasicDTO>();
             CreateMap<Post, PostDTO>();
 
+            CreateMap<PostComment, PostCommentDTO>()
+                .ForMember(dest => dest.User, opt => opt.MapFrom(src => src.User));
+
         }
     }
 }