BuyCourses plugin: update display of payment methods if no method available or only one method

plugin/buycourses/lang/english.php

@@ -135,3 +135,5 @@ $strings['PaymentMethod'] = "Payment method";
 $strings['SWIFT'] = "SWIFT code";
 $strings['SWIFT_help'] = "Standard format of Bank Identifier Codes (BIC) and serves as a unique identifier for a bank or financial institution";
 $strings['PleaseSelectThePaymentMethodBeforeConfirmYourOrder'] = "Please select your favorite payment method before confirming your order";
+$strings['NoPaymentOptionAvailable'] = 'No payment option available. Please report to the administrator.';
+$strings['XIsOnlyPaymentMethodAvailable'] = '%s is the only payment method available for this purchase.';

plugin/buycourses/lang/french.php

@@ -133,3 +133,6 @@ $strings['ByUser'] = "Par utilisateur";
 $strings['PaymentMethod'] = "Méthodes de paiement";
 $strings['SWIFT'] = "Code SWIFT";
 $strings['SWIFT_help'] = "Format standard des codes d'identification de banque (BIC) et sert un identifiant unique pour une banque ou une institution financière.";
+$strings['PleaseSelectThePaymentMethodBeforeConfirmYourOrder'] = 'Veuillez sélectionner votre méthode de paiement préférée avant de confirmer';
+$strings['NoPaymentOptionAvailable'] = 'Aucune méthode de paiement disponible. Merci de bien vouloir rapporter ce problème à l\'administrateur.';
+$strings['XIsOnlyPaymentMethodAvailable'] = '%s est la seule méthode de paiement disponible pour cet achat.';

plugin/buycourses/lang/spanish.php

@@ -157,7 +157,7 @@ $strings['IConfirmIReadAndAcceptTermsAndCondition'] = "He leído y aceptado los
 $strings['NoTermsAndConditionsProvided'] = "Terminos y condiciones no establecidos";
 $strings['GlobalConfig'] = "Configuración global:";
 $strings['WriteHereTheTermsAndConditionsOfYourECommerce'] = "Escriba aquí los terminos y condiciones para su tienda virtual";
-$strings['PleaseSelectThePaymentMethodBeforeConfirmYourOrder'] = "Porfavor seleccione el método de pago de su preferencia antes de confirmar su orden";
+$strings['PleaseSelectThePaymentMethodBeforeConfirmYourOrder'] = "Por favor seleccione el método de pago de su preferencia antes de confirmar su orden";
 $strings['MyServices'] = "Mis servicios";
 $strings['ServiceId'] = "Id de servicio";
 $strings['BoughtBy'] = "Comprado por";
@@ -171,3 +171,5 @@ $strings['AdditionalInfoRequired'] = 'Se requiere que se elija la información a
 $strings['ServiceDeleted'] = 'Servicio eliminado';
 $strings['DeleteThisService'] = 'Eliminar este servicio';
 $strings['YourCoursesNeedAtLeastOneLearningPath'] = 'Los cursos en los que estás registrado necesitan tener al menos una lección que contenga un item de cerficado final';
+$strings['NoPaymentOptionAvailable'] = 'No existen opciones de pago. Por favor reporte este problema al administrador.';
+$strings['XIsOnlyPaymentMethodAvailable'] = '%s es el único método de pago disponible para esta compra.';

plugin/buycourses/src/process.php

@@ -82,11 +82,30 @@ if (!$culqiEnabled) {
     unset($paymentTypesOptions[BuyCoursesPlugin::PAYMENT_TYPE_CULQI]);
 }
 
-$form->addHtml(
-    Display::return_message($plugin->get_lang('PleaseSelectThePaymentMethodBeforeConfirmYourOrder'),
-    'info')
-);
-$form->addRadio('payment_type', null, $paymentTypesOptions);
+$count = count($paymentTypesOptions);
+if ($count === 0) {
+    $form->addHtml($plugin->get_lang('NoPaymentOptionAvailable'));
+    $form->addHtml('<br />');
+    $form->addHtml('<br />');
+} elseif ($count === 1) {
+    $text = '';
+    // get the only array item
+    foreach ($paymentTypesOptions as $type => $value) {
+        $form->addHtml(sprintf($plugin->get_lang('XIsOnlyPaymentMethodAvailable'), $value));
+        $form->addHtml('<br />');
+        $form->addHtml('<br />');
+        $form->addHidden('payment_type', $type);
+    }
+} else {
+    $form->addHtml(
+        Display::return_message(
+            $plugin->get_lang('PleaseSelectThePaymentMethodBeforeConfirmYourOrder'),
+            'info'
+        )
+    );
+    $form->addRadio('payment_type', null, $paymentTypesOptions);
+}
+
 $form->addHidden('t', intval($_GET['t']));
 $form->addHidden('i', intval($_GET['i']));
 $form->addButton('submit', $plugin->get_lang('ConfirmOrder'), 'check', 'success');