App\Ninja\Repositories\ClientRepository::find PHP Method

    public function find($filter = null, $userId = false)
    {
        $query = DB::table('clients')->join('accounts', 'accounts.id', '=', 'clients.account_id')->join('contacts', 'contacts.client_id', '=', 'clients.id')->where('clients.account_id', '=', \Auth::user()->account_id)->where('contacts.is_primary', '=', true)->where('contacts.deleted_at', '=', null)->select(DB::raw('COALESCE(clients.currency_id, accounts.currency_id) currency_id'), DB::raw('COALESCE(clients.country_id, accounts.country_id) country_id'), 'clients.public_id', 'clients.name', 'contacts.first_name', 'contacts.last_name', 'clients.balance', 'clients.last_login', 'clients.created_at', 'clients.work_phone', 'contacts.email', 'clients.deleted_at', 'clients.is_deleted', 'clients.user_id');
        if (!\Session::get('show_trash:client')) {
            $query->where('clients.deleted_at', '=', null);
        }
        if ($filter) {
            $query->where(function ($query) use($filter) {
                $query->where('clients.name', 'like', '%' . $filter . '%')->orWhere('contacts.first_name', 'like', '%' . $filter . '%')->orWhere('contacts.last_name', 'like', '%' . $filter . '%')->orWhere('contacts.email', 'like', '%' . $filter . '%');
            });
        }
        if ($userId) {
            $query->where('clients.user_id', '=', $userId);
        }
        return $query;
    }

 /**
  * @param $search
  * @param $userId
  * @return \Illuminate\Http\JsonResponse
  */
 public function getDatatable($search, $userId)
 {
     $datatable = new ClientDatatable();
     $query = $this->clientRepo->find($search, $userId);
     return $this->datatableService->createDatatable($datatable, $query);
 }