Translate email notification to the selected users preferred language.

dgi_fixity.module

@@ -78,13 +78,15 @@ function dgi_fixity_mail($key, &$message, $params) {
         return;
       }
 
+      $options = ['langcode' => $message['langcode']];
       $now = \Drupal::time()->getRequestTime();
-      $subject = \t('Fixity Check Report - @now', ['@now' => date(DATE_RFC7231, $now)])->render();
+      $subject = \t('Fixity Check Report - @now', ['@now' => date(DATE_RFC7231, $now)], $options)->render();
-      $body = $fixity->summary($stats);
+      $body = $fixity->summary($stats, $options);
       if ($stats['failed'] !== 0) {
         $body[] = \t(
           'There are failed checks which require your attention please review the current state of checks <a href="@site">here</a>.',
-          ['@site' => Url::fromRoute('entity.fixity_check.collection', [], ['absolute' => TRUE])->toString()]
+          ['@site' => Url::fromRoute('entity.fixity_check.collection', [], ['absolute' => TRUE])->toString()],
+          $options
         )->render();
       }
 
@@ -130,7 +132,7 @@ function dgi_fixity_cron() {
   $uid = $settings->get(SettingsForm::NOTIFY_USER);
   $user = User::load($uid);
   if ($user) {
-    \Drupal::service('plugin.manager.mail')->mail('dgi_fixity', 'notify', $user->getEmail(), $user->getPreferredAdminLangcode(TRUE));
+    \Drupal::service('plugin.manager.mail')->mail('dgi_fixity', 'notify', $user->getEmail(), $user->getPreferredLangcode(TRUE));
   }
 }
 

src/FixityCheckService.php

@@ -346,28 +346,36 @@ class FixityCheckService implements FixityCheckServiceInterface {
   /**
    * {@inheritdoc}
    */
-  public function summary(array $stats): array {
+  public function summary(array $stats, array $options = []): array {
     $summary = [];
     $summary[] = $this->formatPlural(
       $stats['revisions'],
       '@count check has been performed since tracking started.',
       '@count checks have been performed since tracking started.',
+      [],
+      $options
     );
     $summary[] = $this->formatPlural(
       $stats['periodic']['total'],
       '@count file is set to be checked periodically.',
       '@count files are set to be checked periodically.',
+      [],
+      $options
     );
     $summary[] = $this->formatPlural(
       $stats['periodic']['current'],
       '@count periodic check is up to date.',
       '@count periodic checks are up to date.',
+      [],
+      $options
     );
     if ($stats['periodic']['expired'] > 0) {
       $summary[] = $this->formatPlural(
         $stats['periodic']['expired'],
         '@count periodic check is out to date.',
         '@count periodic checks are out to date.',
+        [],
+        $options
       );
     }
     if ($stats['failed'] > 0) {
@@ -375,12 +383,16 @@ class FixityCheckService implements FixityCheckServiceInterface {
         $stats['failed'],
         '@count check has failed.',
         '@count checks have failed.',
+        [],
+        $options
       );
       foreach ($stats['states'] as $state => $count) {
         $summary[] = $this->formatPlural(
           $count,
           FixityCheck::getStateProperty($state, 'singular'),
           FixityCheck::getStateProperty($state, 'plural'),
+          [],
+          $options
         );
       }
     }

src/FixityCheckServiceInterface.php

@@ -125,10 +125,12 @@ interface FixityCheckServiceInterface {
    *
    * @param array $stats
    *   The stats as returned by this service.
+   * @param array $options
+   *   An associative array of additional options for the TranslatableMarkup.
    *
    * @return \Drupal\Core\StringTranslation\TranslatableMarkup[]
    *   A list of messages that describe the current state of the system.
    */
-  public function summary(array $stats): array;
+  public function summary(array $stats, array $options = []): array;
 
 }