Add more info to registants list

modules/recurring_events_registration/config/install/recurring_events_registration.registrant.config.yml

 show_capacity: true
 limit: 10
+date_format: 'F jS, Y h:iA'
 email_notifications: true
 registration_notification_enabled: true
 registration_notification_subject: 'You''ve Successfully Registered'

modules/recurring_events_registration/config/schema/recurring_events_registration.schema.yml

@@ -8,6 +8,9 @@ recurring_events_registration.registrant.config:
     limit:
       type: integer
       label: 'The items per page to show on registrant listing'
+    date_format:
+      type: string
+      label: 'The formatting of dates when displaying registrants'
     email_notifications:
       type: boolean
       label: 'Whether to enable email notifications'

modules/recurring_events_registration/src/Form/RegistrantSettingsForm.php

@@ -4,6 +4,8 @@ namespace Drupal\recurring_events_registration\Form;
 
 use Drupal\Core\Form\ConfigFormBase;
 use Drupal\Core\Form\FormStateInterface;
+use Drupal\Core\Url;
+use Drupal\Core\Link;
 
 /**
  * Class RegistrantSettingsForm.
@@ -41,6 +43,7 @@ class RegistrantSettingsForm extends ConfigFormBase {
     $this->config('recurring_events_registration.registrant.config')
       ->set('show_capacity', $form_state->getValue('show_capacity'))
       ->set('limit', $form_state->getValue('limit'))
+      ->set('date_format', $form_state->getValue('date_format'))
       ->set('email_notifications', $form_state->getValue('email_notifications'))
       ->set('registration_notification_enabled', $form_state->getValue('registration_notification'))
       ->set('registration_notification_subject', $form_state->getValue('registration_notification_subject'))
@@ -88,13 +91,13 @@ class RegistrantSettingsForm extends ConfigFormBase {
       '#default_value' => $config->get('show_capacity'),
     ];
 
-    $form['view'] = [
+    $form['display'] = [
       '#type' => 'details',
-      '#title' => $this->t('Viewing Registrants'),
+      '#title' => $this->t('Registrant Display'),
       '#open' => TRUE,
     ];
 
-    $form['view']['limit'] = [
+    $form['display']['limit'] = [
       '#type' => 'number',
       '#title' => $this->t('Registrant Items'),
       '#required' => TRUE,
@@ -102,6 +105,19 @@ class RegistrantSettingsForm extends ConfigFormBase {
       '#default_value' => $config->get('limit'),
     ];
 
+    $php_date_url = Url::fromUri('https://secure.php.net/manual/en/function.date.php');
+    $php_date_link = Link::fromTextAndUrl($this->t('PHP date/time format'), $php_date_url);
+
+    $form['display']['date_format'] = [
+      '#type' => 'textfield',
+      '#title' => $this->t('Registrant Date Format'),
+      '#required' => TRUE,
+      '#description' => $this->t('Enter the @link used when listing registrants. Default is F jS, Y h:iA.', [
+        '@link' => $php_date_link->toString(),
+      ]),
+      '#default_value' => $config->get('date_format'),
+    ];
+
     $form['notifications'] = [
       '#type' => 'details',
       '#title' => $this->t('Email Notifications'),

modules/recurring_events_registration/src/RegistrantListBuilder.php

@@ -57,6 +57,9 @@ class RegistrantListBuilder extends EntityListBuilder {
    */
   public function buildHeader() {
     $header['id'] = $this->t('Registrant ID');
+    $header['series'] = $this->t('Series');
+    $header['instance'] = $this->t('Instance');
+    $header['type'] = $this->t('Type');
     foreach ($this->getCustomFields() as $machine_name => $field) {
       $header[$machine_name] = $field;
     }
@@ -70,7 +73,13 @@ class RegistrantListBuilder extends EntityListBuilder {
    */
   public function buildRow(EntityInterface $entity) {
     /* @var $entity \Drupal\recurring_events_registration\Entity\Registrant */
+    $series = $entity->getEventSeries();
+    $instance = $entity->getEventInstance();
+
     $row['id'] = $entity->id();
+    $row['series'] = $series->toLink($series->title->value);
+    $row['instance'] = $instance->toLink($instance->date->start_date->format($this->config->get('recurring_events_registration.registrant.config')->get('date_format')));
+    $row['type'] = $entity->getRegistrationType() == 'series' ? $this->t('Series') : $this->t('Instance');
     foreach ($this->getCustomFields() as $machine_name => $field) {
       $row[$machine_name] = $entity->get($machine_name)->value;
     }