feat: upgrade to .NET 6, refactor everything

PluralKit.API/Controllers/v1/MessageController.cs

@@ -1,37 +1,31 @@
-using System.Threading.Tasks;
-
 using Microsoft.AspNetCore.Mvc;
 
-using Newtonsoft.Json;
 using Newtonsoft.Json.Linq;
 
-using NodaTime;
-
 using PluralKit.Core;
 
-namespace PluralKit.API
+namespace PluralKit.API;
+
+[ApiController]
+[ApiVersion("1.0")]
+[Route("v{version:apiVersion}/msg")]
+public class MessageController: ControllerBase
 {
-    [ApiController]
-    [ApiVersion("1.0")]
-    [Route("v{version:apiVersion}/msg")]
-    public class MessageController: ControllerBase
+    private readonly IDatabase _db;
+    private readonly ModelRepository _repo;
+
+    public MessageController(ModelRepository repo, IDatabase db)
     {
-        private readonly IDatabase _db;
-        private readonly ModelRepository _repo;
+        _repo = repo;
+        _db = db;
+    }
 
-        public MessageController(ModelRepository repo, IDatabase db)
-        {
-            _repo = repo;
-            _db = db;
-        }
+    [HttpGet("{mid}")]
+    public async Task<ActionResult<JObject>> GetMessage(ulong mid)
+    {
+        var msg = await _db.Execute(c => _repo.GetMessage(c, mid));
+        if (msg == null) return NotFound("Message not found.");
 
-        [HttpGet("{mid}")]
-        public async Task<ActionResult<JObject>> GetMessage(ulong mid)
-        {
-            var msg = await _db.Execute(c => _repo.GetMessage(c, mid));
-            if (msg == null) return NotFound("Message not found.");
-
-            return msg.ToJson(User.ContextFor(msg.System), APIVersion.V1);
-        }
+        return msg.ToJson(User.ContextFor(msg.System), APIVersion.V1);
     }
 }