create show api

app/Http/Controllers/ProfileController.php

@@ -37,9 +37,11 @@ class ProfileController extends Controller
     public function changeAvatar(ChangeAvatarRequest $request): JsonResponse
     {
         $user = auth()->user();
+
         if ($user->avatar){
             FileFacade::delete($user->avatar, true);
         }
+
         $user->update([
             'avatar' => FileFacade::save($request->file('avatar'), 'users/avatars/' . $request->username)
         ]);
@@ -49,16 +51,19 @@ class ProfileController extends Controller
 
     public function online(Request $request): JsonResponse
     {
-        User::query()->where('telephone_id', '=', $request->telephone_id)->update([
-            'is_online' => true,
-        ]);
+        User::query()
+            ->firstWhere('telephone_id', '=', $request->telephone_id)
+            ->update(['is_online' => true,]);
+
         return $this->successResponse();
     }
 
     public function offline(Request $request): JsonResponse
     {
-        $user= User::query()->where('telephone_id', '=', $request->telephone_id)->first();
-        $user->update(['is_online' => false]);
+        User::query()
+            ->firstWhere('telephone_id', '=', $request->telephone_id)
+            ->update(['is_online' => false]);
+
         return $this->successResponse();
     }