fix

lang/en/paygw_robokassa.php

@@ -167,3 +167,9 @@
 Please send me some <a href="https://yoomoney.ru/fundraise/143H2JO3LLE.240720">donate</a>😊</div>
 <iframe src="https://yoomoney.ru/quickpay/fundraise/button?billNumber=143H2JO3LLE.240720"
 width="330" height="50" frameborder="0" allowtransparency="true" scrolling="no"></iframe>';
+
+$string['error_txdatabase'] = 'Error write TX data to database';
+$string['error_notvalidtxid'] = 'FAIL. Not a valid transaction id';
+$string['error_notvalidpayment'] = 'FAIL. Not a valid payment';
+$string['error_notvalidsignature'] = 'FAIL. Not a valid signature';
+

lang/ru/paygw_robokassa.php

@@ -158,3 +158,5 @@
 Пожалуйста, отправьте мне немножко <a href="https://yoomoney.ru/fundraise/143H2JO3LLE.240720">доната</a>😊</div>
 <iframe src="https://yoomoney.ru/quickpay/fundraise/button?billNumber=143H2JO3LLE.240720"
 width="330" height="50" frameborder="0" allowtransparency="true" scrolling="no"></iframe>';
+
+$string['error_txdatabase'] = 'Error write TX data to database';

return.php

@@ -37,11 +37,11 @@
 $signature = optional_param('SignatureValue', null, PARAM_TEXT);
 
 if (!$robokassatx = $DB->get_record('paygw_robokassa', ['paymentid' => $invid])) {
-    throw new Error('FAIL. Not a valid transaction id');
+    throw new \moodle_exception(get_string('error_notvalidtxid', 'paygw_robokassa'), 'paygw_robokassa');
 }
 
 if (!$payment = $DB->get_record('payments', ['id' => $robokassatx->paymentid])) {
-    throw new Error('FAIL. Not a valid payment.');
+    throw new \moodle_exception(get_string('error_notvalidpayment', 'paygw_robokassa'), 'paygw_robokassa');
 }
 
 $paymentarea = $payment->paymentarea;
@@ -77,7 +77,7 @@
 
 // Check crc and redirect.
 if ($signature != $crc) {
-    throw new Error('FAIL. Not a valid signature.');
+    throw new \moodle_exception(get_string('error_notvalidsignature', 'paygw_robokassa'), 'paygw_robokassa');
 }
 
 if ($robokassatx->success) {

settings.php

@@ -25,12 +25,12 @@
 defined('MOODLE_INTERNAL') || die();
 
 if ($ADMIN->fulltree) {
-    $header = 'Новые версии плагина вы можете найти на
- <a href=https://github.com/Snickser/moodle-paygw_robokassa>GitHub.com</a>';
+    $plugininfo = \core_plugin_manager::instance()->get_plugin_info('paygw_robokassa');
+    $donate = get_string('donate', 'paygw_robokassa', $plugininfo);
 
     $settings->add(new admin_setting_heading(
         'paygw_robokassa_settings',
-        $header,
+        $donate,
         get_string('pluginname_desc', 'paygw_robokassa')
     ));
     \core_payment\helper::add_common_gateway_settings($settings, 'paygw_robokassa');