♻️ Move the realm service from sphere to the pass

DysonNetwork.Sphere/Chat/RealmChatController.cs

@@ -0,0 +1,34 @@
+using DysonNetwork.Shared.Models;
+using DysonNetwork.Shared.Registry;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+
+namespace DysonNetwork.Sphere.Chat;
+
+[ApiController]
+[Route("/api/realms/{slug}")]
+public class RealmChatController(AppDatabase db, RemoteRealmService rs) : ControllerBase
+{
+    [HttpGet("chat")]
+    [Authorize]
+    public async Task<ActionResult<List<SnChatRoom>>> ListRealmChat(string slug)
+    {
+        var currentUser = HttpContext.Items["CurrentUser"] as Shared.Proto.Account;
+        var accountId = currentUser is null ? Guid.Empty : Guid.Parse(currentUser.Id);
+
+        var realm = await rs.GetRealmBySlug(slug);
+        if (!realm.IsPublic)
+        {
+            if (currentUser is null) return Unauthorized();
+                if (!await rs.IsMemberWithRole(realm.Id, accountId, [RealmMemberRole.Normal]))
+                return StatusCode(403, "You need at least one member to view the realm's chat.");
+        }
+
+        var chatRooms = await db.ChatRooms
+            .Where(c => c.RealmId == realm.Id)
+            .ToListAsync();
+
+        return Ok(chatRooms);
+    }
+}