public function FixedRates::save in Currency 8.3

Saves an exchange rate.

Parameters

string $currency_code_from:

string $currency_code_to:

string $rate:

Return value

$this

File

src/Plugin/Currency/ExchangeRateProvider/FixedRates.php, line 77

Class

FixedRates

Provides manually entered exchange rates.

Namespace

Drupal\currency\Plugin\Currency\ExchangeRateProvider

Code

public function save($currency_code_from, $currency_code_to, $rate) {
  $config = $this->configFactory
    ->getEditable('currency.exchanger.fixed_rates');
  $rates = $this
    ->loadAll();
  $rates[$currency_code_from][$currency_code_to] = $rate;

  // Massage the rates into a format that can be stored, as associative
  // arrays are not supported by the config system
  $rates_data = array();
  foreach ($rates as $currency_code_from => $currency_code_from_rates) {
    foreach ($currency_code_from_rates as $currency_code_to => $rate) {
      $rates_data[] = array(
        'currency_code_from' => $currency_code_from,
        'currency_code_to' => $currency_code_to,
        'rate' => $rate,
      );
    }
  }
  $config
    ->set('rates', $rates_data);
  $config
    ->save();
  return $this;
}