paymentservice/app/Traits/Helper.php

<?php


namespace App\Traits;

use App\Models\Country;
use Brick\Math\RoundingMode;
use Brick\Money\Context\AutoContext;
use Brick\Money\Context\CashContext;
use Brick\Money\CurrencyConverter;
use Brick\Money\ExchangeRateProvider\BaseCurrencyProvider;
use Brick\Money\ExchangeRateProvider\PDOProvider;
use Brick\Money\ExchangeRateProvider\PDOProviderConfiguration;
use Brick\Money\Money;
use Illuminate\Support\Facades\DB;
use PDO;

trait Helper
{
    public function getTransactionID($table = 'payment_transactions')
    {
        do {
            $code = randomString(8);
            $result = collect(DB::select("SELECT * FROM $table WHERE transaction_id = :code", ['code' => $code]));
            $codeCorrect = sizeof($result) < 0;
        } while ($codeCorrect);
        return $code;
    }

    // Convertir vers le multiple de 5 le plus proche
    function roundUpToAny($n, $x = 5)
    {
        return (ceil($n) % $x === 0) ? ceil($n) : round(($n + $x / 2) / $x) * $x;
    }

    private function convertMoney($amount, $sourceCurrency, $targetCurrency)
    {
        // set to whatever your rates are relative to
        $baseCurrency = 'USD';

        // use your own credentials, or re-use your  existing PDO connection
        $pdo = new PDO('mysql:host=' . env('DB_HOST') . ';dbname=' . env('DB_DATABASE'), env('DB_USERNAME'), env('DB_PASSWORD'));

        $configuration = new PDOProviderConfiguration(
            tableName: 'exchange_rate',
            exchangeRateColumnName: 'exchange_rate',
            sourceCurrencyCode: $baseCurrency,
            targetCurrencyColumnName: 'target_currency'
        );

        // this provider loads exchange rates from your database
        $provider = new PDOProvider($pdo, $configuration);

        // this provider calculates exchange rates relative to the base currency
        $provider = new BaseCurrencyProvider($provider, $baseCurrency);

        $converter = new CurrencyConverter($provider);
        $sourceMoney = Money::of(round($amount, 2), $sourceCurrency, new AutoContext());
        return $converter->convert($sourceMoney, $targetCurrency, null, RoundingMode::UP);
    }

    public function toMoneyAmount($amount, $sourceCurrency, $targetCurrency)
    {
        return $this->convertMoney($amount, $sourceCurrency, $targetCurrency)->getAmount()->toFloat();
    }

}