work in progress

app/Http/Controllers/DashboardController.php

@@ -11,10 +11,10 @@ class DashboardController extends Controller
     public function index(Request $request, ActivityService $activityService)
     {
         $user = $request->user();
-        $unreadDynamics = $activityService->getUnreadDynamicsGrouped($user);
+        $unreadEntities = $activityService->getUnreadEntitiesGrouped($user);
 
         return Inertia::render('Dashboard', [
-            'unreadDynamics' => $unreadDynamics,
+            'unreadEntities' => $unreadEntities,
         ]);
     }
 }

app/Http/Controllers/LedgerController.php

@@ -85,9 +85,7 @@ class LedgerController extends Controller
         return Inertia::render('Ledgers/Show', [
             'dynamic' => new DynamicResource($dynamic),
             'ledger' => new LedgerResource($ledger),
-            'mutations' => MutationResource::collection($ledger->mutations),
-            'participants' => UserResource::collection($dynamic->participants),
-            'messages' => MessageResource::collection($dynamic->chat->messages()->with(['user', 'media'])->latest()->paginate(\App\Models\Message::PAGINATION_COUNT)),
+            'messages' => MessageResource::collection($dynamic->getOrCreateChat()->messages()->with(['user', 'media'])->latest()->paginate(\App\Models\Message::PAGINATION_COUNT)),
             'can' => [
                 'update' => $request->user()->can('update', $ledger),
                 'close' => $request->user()->can('close', $ledger),
@@ -99,7 +97,7 @@ class LedgerController extends Controller
     {
         $this->authorize('view', $ledger);
 
-        return MessageResource::collection($dynamic->chat->messages()->with(['user', 'media'])->latest()->paginate(\App\Models\Message::PAGINATION_COUNT));
+        return MessageResource::collection($dynamic->getOrCreateChat()->messages()->with(['user', 'media'])->latest()->paginate(\App\Models\Message::PAGINATION_COUNT));
     }
 
     /**

app/Http/Middleware/HandleInertiaRequests.php

@@ -50,7 +50,7 @@ class HandleInertiaRequests extends Middleware
 
                 $service = app(ActivityService::class);
 
-                return count($service->getUnreadDynamicsGrouped($request->user()));
+                return count($service->getUnreadEntitiesGrouped($request->user()));
             },
         ];
     }

app/Http/Resources/ChatResource.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Http\Resources;
+
+use Illuminate\Http\Request;
+
+class ChatResource extends BaseResource
+{
+    /**
+     * Transform the resource into an array.
+     *
+     * @return array<string, mixed>
+     */
+    public function toArray(Request $request): array
+    {
+        $data = parent::toArray($request);
+
+        if ($this->whenLoaded('messages')) {
+            $data['messages'] = MessageResource::collection($this->messages);
+        }
+
+        return $data;
+    }
+}

app/Http/Resources/DynamicResource.php

@@ -17,9 +17,12 @@ class DynamicResource extends BaseResource
         if ($this->ledgers) {
             $result['ledgers'] = LedgerResource::collection($this->ledgers);
         }
-        if ($this->participants) {
+        if ($this->whenLoaded('participants')) {
             $result['participants'] = ParticipantResource::collection($this->participants);
         }
+        if ($this->whenLoaded('chat')) {
+            $result['chat'] = new ChatResource($this->chat);
+        }
         return $result;
     }
 }

app/Http/Resources/LedgerResource.php

@@ -13,6 +13,10 @@ class LedgerResource extends BaseResource
      */
     public function toArray(Request $request): array
     {
-        return parent::toArray($request);
+        $data = parent::toArray($request);
+
+        $data['mutations'] = MutationResource::collection($this->whenLoaded('mutations'));
+
+        return $data;
     }
 }

app/Models/Dynamic.php

@@ -9,6 +9,7 @@ use Illuminate\Database\Eloquent\Relations\BelongsToMany;
 use Illuminate\Database\Eloquent\Relations\HasMany;
 use Illuminate\Database\Eloquent\Relations\MorphOne;
 use Illuminate\Support\Str;
+use App\Models\Chat;
 
 class Dynamic extends Model
 {
@@ -64,4 +65,13 @@ class Dynamic extends Model
     public function getUrlAttribute(): string {
         return route('dynamics.show', $this);
     }
+
+    public function getOrCreateChat(): Chat
+    {
+        if ($this->chat) {
+            return $this->chat;
+        }
+
+        return $this->chat()->create([]);
+    }
 }

app/Services/ActivityService.php

@@ -45,8 +45,9 @@ class ActivityService
         return $cursor ? $cursor->read_at : Carbon::parse('1970-01-01');
     }
 
-    public function createMessage($chat, $user, $content, $subject = null)
+    public function createMessage($dynamic, $user, $content, $subject = null)
     {
+        $chat = $dynamic->getOrCreateChat();
         $message = $chat->messages()->create([
             'user_id' => $user ? $user->id : null,
             'content' => $content,
@@ -92,6 +93,11 @@ class ActivityService
      */
     public function getActivitiesForDynamic(Dynamic $dynamic): array
     {
+        $chat = $dynamic->getOrCreateChat();
+        if (!$chat) {
+            return [];
+        }
+
         $participants = $dynamic->participants()->withPivot('display_name')->get();
         $participantsMap = $participants->reduce(function ($acc, $p) {
             $acc[$p->id] = $p->pivot->display_name ?? $p->name;
@@ -99,7 +105,7 @@ class ActivityService
             return $acc;
         }, []);
 
-        $messages = Message::where('chat_id', $dynamic->chat->id)
+        $messages = Message::where('chat_id', $chat->id)
             ->with(['user', 'subject'])
             ->latest()
             ->get();
@@ -122,10 +128,10 @@ class ActivityService
     /**
      * Get unread activities grouped by active entities (Dynamics, Ledgers) for the given user.
      */
-    public function getUnreadDynamicsGrouped(User $user): array
+    public function getUnreadEntitiesGrouped(User $user): array
     {
         $groupedDynamics = [];
-        $participatingDynamics = $user->dynamics()->with('ledgers')->get();
+        $participatingDynamics = $user->dynamics()->with(['chat', 'ledgers'])->get();
 
         foreach ($participatingDynamics as $dynamic) {
             $readAt = $this->getCursorReadAt($user, $dynamic);