bootstrap_views_cards.module

<?php

/**
 * @file
 * Custom functions for Bootstrap Views Cards.
 */

use Drupal\Component\Utility\Html;
use Drupal\Core\Template\Attribute;

/**
 * Prepares variables for views cards templates.
 *
 * Default template: bootstrap-views-cards.html.twig.
 *
 * @param array $vars
 *   An associative array containing:
 *   - view: A ViewExecutable object.
 *   - rows: The raw row data.
 */
function template_preprocess_bootstrap_views_cards(array &$vars): void {
  $view = $vars['view'];
  $id = $view->storage->id() . '-' . $view->current_display;
  $vars['id'] = Html::getUniqueId('bootstrap-views-cards-' . $id);

  $vars['attributes'] = new Attribute(['class' => ['row', 'g-3', 'row-cols-1']]);
  $cols = $view->style_plugin->options['card_group_columns'];
  if ($cols > 1) {
    switch ($cols) {
      case 2:
        $vars['attributes']->addClass('row-cols-sm-2');
        break;

      case 3:
        $vars['attributes']->addClass('row-cols-sm-2 row-cols-md-3');
        break;

      case 4:
        $vars['attributes']->addClass('row-cols-sm-2 row-cols-md-4');
        break;

      case 5:
        $vars['attributes']->addClass('row-cols-sm-3 row-cols-md-5');
        break;

      case 6:
        $vars['attributes']->addClass('row-cols-sm-3 row-cols-md-6');
        break;
    }
  }

  $options = $view->style_plugin->options;
  if ($options['card_group_class_custom']) {
    $option_classes = array_filter(explode(' ', $options['card_group_class_custom']));
    $classes = array_map([Html::class, 'cleanCssIdentifier'], $option_classes);
    $vars['attributes']->addClass($classes);
  }

  $vars['image_option'] = $view->style_plugin->options['card_image_option_field'];
  $bodyClass = $vars['image_option'] == 'background' ? 'card-img-overlay' : 'card-body';
  $vars['body_attributes'] = new Attribute(['class' => [$bodyClass]]);

  // Card rows.
  $header = $view->style_plugin->options['card_header_field'];
  $image = $view->style_plugin->options['card_image_field'];
  $title = $view->style_plugin->options['card_title_field'];
  $subtitle = $view->style_plugin->options['card_subtitle_field'];
  $content = $view->style_plugin->options['card_body_field'];
  $footer = $view->style_plugin->options['card_footer_field'];

  foreach ($vars['rows'] as $id => $row) {
    $vars['rows'][$id] = [];
    $vars['rows'][$id]['header'] = $view->style_plugin->getField($id, $header);
    $vars['rows'][$id]['image'] = $view->style_plugin->getField($id, $image);
    $vars['rows'][$id]['title'] = $view->style_plugin->getField($id, $title);
    $vars['rows'][$id]['subtitle'] = $view->style_plugin->getField($id, $subtitle);
    $vars['rows'][$id]['content'] = $view->style_plugin->getField($id, $content);
    $vars['rows'][$id]['footer'] = $view->style_plugin->getField($id, $footer);
    $vars['rows'][$id]['attributes'] = new Attribute(['class' => ['card', 'h-100']]);
    if ($row_class = $view->style_plugin->getRowClass($id)) {
      $vars['rows'][$id]['attributes']->addClass($row_class);
    }

  }
}