/**
* Views the configured fixed rates.
*
* @return array
* A renderable array.
*/
public function overview()
{
/** @var \Drupal\currency\Plugin\Currency\ExchangeRateProvider\FixedRates $plugin */
$plugin = $this->currencyExchangeRateProviderManager->createInstance('currency_fixed_rates');
$rates = $plugin->loadALl();
$form['rates'] = array('#empty' => $this->t('There are no exchange rates yet. <a href="@path">Add an exchange rate</a>.', array('@path' => $this->urlGenerator->generateFromRoute('currency.exchange_rate_provider.fixed_rates.add'))), '#header' => array($this->t('From'), $this->t('To'), $this->t('Exchange rate'), $this->t('Operations')), '#type' => 'table');
foreach ($rates as $currency_code_from => $currency_codes_to) {
foreach ($currency_codes_to as $currency_code_to => $rate) {
$currency_from = $this->currencyStorage->load($currency_code_from);
$currency_to = $this->currencyStorage->load($currency_code_to);
if ($currency_from && $currency_to) {
$row['currency_from'] = array('#markup' => $currency_from->label(), '#type' => 'item');
$row['currency_to'] = array('#markup' => $currency_to->label(), '#type' => 'item');
$row['rate'] = array('#markup' => $this->currencyAmountFormatterManager->getDefaultPlugin()->formatAmount($currency_to, $rate), '#type' => 'item');
$row['operations'] = array('#links' => array(array('title' => $this->t('edit'), 'route_name' => 'currency.exchange_rate_provider.fixed_rates.edit', 'route_parameters' => array('currency_code_from' => $currency_code_from, 'currency_code_to' => $currency_code_to))), '#type' => 'operations');
$form['rates'][] = $row;
}
}
}
return $form;
}
/**
* {@inheritdoc}
*/
public function submitForm(array &$form, FormStateInterface $form_state)
{
/** @var \Drupal\currency\Plugin\Currency\ExchangeRateProvider\FixedRates $plugin */
$plugin = $this->currencyExchangeRateProviderManager->createInstance('currency_fixed_rates');
$values = $form_state->getValues();
$currency_code_from = $values['currency_code_from'];
$currency_code_to = $values['currency_code_to'];
$currency_from = $this->currencyStorage->load($currency_code_from);
$currency_to = $this->currencyStorage->load($currency_code_to);
$triggering_element = $form_state->getTriggeringElement();
switch ($triggering_element['#name']) {
case 'save':
$plugin->save($currency_code_from, $currency_code_to, $values['rate']['amount']);
drupal_set_message($this->t('The exchange rate for @currency_title_from to @currency_title_to has been saved.', array('@currency_title_from' => $currency_from->label(), '@currency_title_to' => $currency_to->label())));
break;
case 'delete':
$plugin->delete($currency_code_from, $currency_code_to);
drupal_set_message($this->t('The exchange rate for @currency_title_from to @currency_title_to has been deleted.', array('@currency_title_from' => $currency_from->label(), '@currency_title_to' => $currency_to->label())));
break;
}
$form_state->setRedirect('currency.exchange_rate_provider.fixed_rates.overview');
}
