linting form alter

composer.json

@@ -41,6 +41,7 @@
         "ext-curl": "*",
         "ext-json": "*",
         "ext-zip": "*",
+        "drupal/pluginformalter": "^1",
         "drupal/search_api_solr": "^4.3",
         "guzzlehttp/guzzle": "^6.5.7|^7.5",
         "http-interop/http-factory-guzzle": "^1.0",

src/Plugin/FormAlter/SolrReloadFormAlter.php

@@ -1,11 +1,16 @@
 <?php
 
 namespace Drupal\search_api_pantheon\Plugin\FormAlter;
-use \Drupal\Core\StringTranslation\StringTranslationTrait;
-use \Drupal\Core\DependencyInjection\DependencySerializationTrait;
+
+use Drupal\Core\StringTranslation\StringTranslationTrait;
+use Drupal\Core\DependencyInjection\DependencySerializationTrait;
+use Drupal\pluginformalter\Plugin\FormAlterInterface;
+use Drupal\pluginformalter\Plugin\FormAlterBase;
+use Drupal\Core\Form\FormStateInterface;
 
 /**
  * Class SolrReloadFormAlter.
+ * Alter the reload form for the pantheon environment.
  *
  * @FormAlter(
  *   id = "search_api_pantheon_reload_form_alter",
@@ -17,25 +22,24 @@
  *
  * @package Drupal\search_api_pantheon\Plugin\FormAlter
  */
-class SolrReloadFormAlter  {
+class SolrReloadFormAlter extends FormAlterBase implements FormAlterInterface {
   use StringTranslationTrait;
   use DependencySerializationTrait;
+
   /**
    * {@inheritdoc}
    */
   public function formAlter(array &$form, FormStateInterface $form_state, $form_id) {
-    // do something here, for example add submit handler.
-    print_r($form_state->getValues());
-    $submit_handler = __CLASS__ . '::formSubmit';
-    array_unshift($form['actions']['submit']['#submit'], $submit_handler);
+    // override the default form submit and use ours.
+    $form['#submit'][] = __CLASS__ . '::formSubmit';
   }
 
   /**
    * Custom form submit.
    */
   public static function formSubmit($form, FormStateInterface $form_state) {
-    print_r($form_state->getValues());
-    exit(1);
+    $rl = \Drupal::service("search_api_pantheon.reload");
+    $rl->reloadServer();
   }
 
-}
+}