openy_prgf_session_table.module

<?php

/**
 * Implements hook_theme().
 */
function openy_prgf_session_table_theme() {
  return [
    'node__session__session_table_row' => [
      'base hook' => 'paragraph',
    ],
  ];
}

/**
 * Implements hook_preprocess_HOOK().
 */
function openy_prgf_session_table_preprocess_node(&$vars) {
  $node = $vars['node'];
  $node_type = $node->getType();
  if ($vars['view_mode'] == 'session_table_row') {
    $vars['theme_hook_suggestions'][] = 'node__session__session_table_row';
    if ($node_type == 'session' && !empty($node)) {
      foreach ($node->get('field_session_time')->referencedEntities() as $item) {
        $times = $item->get('field_session_time_date')->getValue();
        $date_start = $times[0]['value'];
        $time_custom = strtotime($date_start . ' UTC');
        $time_start = date("h:i A", $time_custom);

        $date_end = $times[0]['end_value'];
        $time_custom = strtotime($date_end . ' UTC');
        $time_end = date("h:i A", $time_custom);

        $date_start = date("l, F d, Y", $time_custom);

        $vars['time_start'] = $time_start;
        $vars['time_end'] = $time_end;
        $vars['date_start'] = $date_start;
      }
    }
  }
}

/**
 * Implements hook_page_attachments().
 */
function openy_prgf_session_table_page_attachments(array &$attachments) {
  $activeTheme = \Drupal::service('theme.manager')->getActiveTheme()->getName();
  if ($activeTheme == 'openy_lily') {
    $attachments['#attached']['library'][] = 'openy_prgf_session_table/lily_theme';
  }
}