refactor: use HttpGet for api routes

OliverBooth/Controllers/BlogApiController.cs

@@ -1,6 +1,5 @@
 using Humanizer;
 using Microsoft.AspNetCore.Mvc;
-using Microsoft.Extensions.Primitives;
 using OliverBooth.Data.Blog;
 using OliverBooth.Services;
 
@@ -17,24 +16,19 @@ public sealed class BlogApiController : ControllerBase
         _blogService = blogService;
     }
 
-    [Route("count")]
+    [HttpGet("count")]
     public IActionResult Count()
     {
-        return new JsonResult(new { count = _blogService.AllPosts.Count });
+        if (!ValidateReferer()) return NotFound();
+        return Ok(new { count = _blogService.AllPosts.Count });
     }
 
-    [Route("all/{skip:int?}/{take:int?}")]
+    [HttpGet("all/{skip:int?}/{take:int?}")]
     public IActionResult GetAllBlogPosts(int skip = 0, int take = -1)
     {
+        if (!ValidateReferer()) return NotFound();
         if (take == -1) take = _blogService.AllPosts.Count;
-
-        var referer = Request.Headers["Referer"].ToString();
-        if (!referer.StartsWith(Url.PageLink("/Blog/Index")!))
-        {
-            return NotFound();
-        }
-
-        return new JsonResult(_blogService.AllPosts.Skip(skip).Take(take).Select(post => new
+        return Ok(_blogService.AllPosts.Skip(skip).Take(take).Select(post => new
         {
             id = post.Id,
             commentsEnabled = post.EnableComments,
@@ -58,15 +52,22 @@ public sealed class BlogApiController : ControllerBase
         }));
     }
 
-    [Route("author/{id:int}")]
+    [HttpGet("author/{id:int}")]
     public IActionResult GetAuthor(int id)
     {
+        if (!ValidateReferer()) return NotFound();
         if (!_blogService.TryGetAuthor(id, out Author? author)) return NotFound();
 
-        return new JsonResult(new
+        return Ok(new
         {
             name = author.Name,
             avatarHash = author.AvatarHash,
         });
     }
+
+    private bool ValidateReferer()
+    {
+        var referer = Request.Headers["Referer"].ToString();
+        return referer.StartsWith(Url.PageLink("/Blog/Index")!);
+    }
 }