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app/Services/UserService.php

@@ -99,11 +99,11 @@ class UserService extends BaseService
         $query = static::$MODEL::with(['wallet'])
             ->join('wallets', 'users.member_id', '=', 'wallets.member_id')
             ->where(self::getWhere($search));
-        if ($by == 'available_balance') $order = "wallets.{$by}";
+        if ($by == 'available_balance') $by = "wallets.{$by}";
         else {
             $by = "users.{$by}";
         }
-        $paginator = $query->orderBy('wallets.available_balance', 'desc')
+        $paginator = $query->orderBy($by, $order)
             ->select("users.*")
             ->paginate($limit);
         return ['total' => $paginator->total(), 'data' => $paginator->items()];