Issue #3069605: Use state API to store auth token

Closes #3069605

src/Plugin/tmgmt/Translator/MemsourceTranslator.php

@@ -4,6 +4,7 @@ namespace Drupal\tmgmt_memsource\Plugin\tmgmt\Translator;
 
 use Drupal\Core\Extension\InfoParser;
 use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
+use Drupal\Core\State\StateInterface;
 use Drupal\Core\StringTranslation\StringTranslationTrait;
 use Drupal\tmgmt\ContinuousTranslatorInterface;
 use Drupal\tmgmt\Entity\Job;
@@ -57,6 +58,13 @@ class MemsourceTranslator extends TranslatorPluginBase implements ContainerFacto
    */
   protected $parser;
 
+  /**
+   * State system.
+   *
+   * @var \Drupal\Core\State\StateInterface
+   */
+  protected $state;
+
   /**
    * Version of tmgmt_memsource module.
    *
@@ -78,6 +86,8 @@ class MemsourceTranslator extends TranslatorPluginBase implements ContainerFacto
    *   The Guzzle HTTP client.
    * @param \Drupal\Core\Extension\InfoParser $parser
    *   Info file parser.
+   * @param \Drupal\Core\State\StateInterface $state
+   *   The state system.
    * @param array $configuration
    *   A configuration array containing information about the plugin instance.
    * @param string $plugin_id
@@ -85,10 +95,11 @@ class MemsourceTranslator extends TranslatorPluginBase implements ContainerFacto
    * @param array $plugin_definition
    *   The plugin implementation definition.
    */
-  public function __construct(ClientInterface $client, InfoParser $parser, array $configuration, $plugin_id, array $plugin_definition) {
+  public function __construct(ClientInterface $client, InfoParser $parser, StateInterface $state, array $configuration, $plugin_id, array $plugin_definition) {
     parent::__construct($configuration, $plugin_id, $plugin_definition);
     $this->client = $client;
     $this->parser = $parser;
+    $this->state = $state;
   }
 
   /**
@@ -99,9 +110,12 @@ class MemsourceTranslator extends TranslatorPluginBase implements ContainerFacto
     $client = $container->get('http_client');
     /** @var \Drupal\Core\Extension\InfoParser $parser */
     $parser = $container->get('info_parser');
+    /** @var \Drupal\Core\State\StateInterface $state */
+    $state = $container->get('state');
     return new static(
       $client,
       $parser,
+      $state,
       $configuration,
       $plugin_id,
       $plugin_definition
@@ -532,8 +546,7 @@ class MemsourceTranslator extends TranslatorPluginBase implements ContainerFacto
    *   Token.
    */
   public function storeToken($token) {
-    $config = \Drupal::configFactory()->getEditable('tmgmt_memsource.settings');
-    $config->set('memsource_token', $token)->save();
+    $this->state->set('tmgmt_memsource_token', $token);
   }
 
   /**
@@ -543,9 +556,7 @@ class MemsourceTranslator extends TranslatorPluginBase implements ContainerFacto
    *   Token.
    */
   public function getToken() {
-    return \Drupal::configFactory()
-      ->get('tmgmt_memsource.settings')
-      ->get('memsource_token');
+    return $this->state->get('tmgmt_memsource_token');
   }
 
   /**