walletservice/app/Http/Controllers/HelperController.php

<?php

namespace App\Http\Controllers;

use App\Models\ConfigWallet;
use App\Models\Country;
use App\Models\WalletsUser;
use App\Traits\ApiResponser;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;

class HelperController extends Controller
{
    use ApiResponser;
    /**
     * Create a new controller instance.
     *
     * @return void
     */
    public function __construct()
    {
        //
    }

    public function countries()
    {
        $countries = DB::select('SELECT id , name , code_dial , code_country FROM countries_currencies WHERE id IN (
					 SELECT distinct c.id FROM networks n INNER JOIN countries_currencies c ON n.country_id=c.id INNER JOIN configWallet cw ON cw.id_network = n.id WHERE status = 1
					);');
        return $this->successResponse($countries);
    }

    public function paying_networks(Request $request)
    {
        $this->validate($request,[
            'id_country' => 'required|integer|min:0|not_in:0',
            'id_wallet_user' => 'required|integer|min:0|not_in:0',
        ]);

        $walletUser = WalletsUser::findOrFail($request->id_wallet_user);
        $init_country = $walletUser->user->network->country->id;
        $result = ConfigWallet::join('networks', 'networks.id', '=', 'configWallet.id_network')
            ->where('networks.country_id', $init_country)->where('configWallet.type', 'ilink')
            ->select('configWallet.id')->first();
        if ($result) {
            $config = ConfigWallet::findOrFail($result->id);
        } else {
            return $this->errorResponse(trans('errors.no_ilink_network'));
        }
        $networks = DB::select('SELECT n.id , n.name , c.type FROM networks n INNER JOIN configWallet c ON c.id_network = n.id WHERE n.id
                            IN ( SELECT distinct id_network FROM paying_networks WHERE id_configWallet = :id_config)
                            AND status = 1 AND country_id = :id_country;',['id_country'=>$request->id_country, 'id_config'=> $config->id]);
        foreach ($networks as $network){
            if($network->type == 'ilink')
                $network->type = 'ilink-world';
        }
        return $this->successResponse($networks);
    }

    public function country($code_dial){
        return $this->successResponse(Country::where('code_dial',$code_dial)->firstOrFail());
    }
}