refactor(backend): move all request/response types to a new Dto namespace

Foxnouns.Backend/Controllers/MetaController.cs

@@ -1,3 +1,4 @@
+using Foxnouns.Backend.Dto;
 using Foxnouns.Backend.Utils;
 using Microsoft.AspNetCore.Mvc;
 
@@ -17,17 +18,18 @@ public class MetaController : ApiControllerBase
                 BuildInfo.Version,
                 BuildInfo.Hash,
                 (int)FoxnounsMetrics.MemberCount.Value,
-                new UserInfo(
+                new UserInfoResponse(
                     (int)FoxnounsMetrics.UsersCount.Value,
                     (int)FoxnounsMetrics.UsersActiveMonthCount.Value,
                     (int)FoxnounsMetrics.UsersActiveWeekCount.Value,
                     (int)FoxnounsMetrics.UsersActiveDayCount.Value
                 ),
-                new Limits(
+                new LimitsResponse(
                     MembersController.MaxMemberCount,
                     ValidationUtils.MaxBioLength,
                     ValidationUtils.MaxCustomPreferences,
-                    AuthUtils.MaxAuthMethodsPerType
+                    AuthUtils.MaxAuthMethodsPerType,
+                    FlagsController.MaxFlagCount
                 )
             )
         );
@@ -35,23 +37,4 @@ public class MetaController : ApiControllerBase
     [HttpGet("/api/v2/coffee")]
     public IActionResult BrewCoffee() =>
         Problem("Sorry, I'm a teapot!", statusCode: StatusCodes.Status418ImATeapot);
-
-    private record MetaResponse(
-        string Repository,
-        string Version,
-        string Hash,
-        int Members,
-        UserInfo Users,
-        Limits Limits
-    );
-
-    private record UserInfo(int Total, int ActiveMonth, int ActiveWeek, int ActiveDay);
-
-    // All limits that the frontend should know about (for UI purposes)
-    private record Limits(
-        int MemberCount,
-        int BioLength,
-        int CustomPreferences,
-        int MaxAuthMethods
-    );
 }