outline preprocess block

gistfile1.txt

<?php

namespace Drupal\outline_design_system\Plugin\Preprocess\Block;

/**
 * Highlight CTA block preprocess.
 *
 * @Preprocess(
 *   id = "outline_design_system.preprocess.block.highlight_cta",
 *   hook = "block__highlight_cta"
 * )
 */
class BlockHighlightCta extends Block {

  /**
   * {@inheritdoc}
   */
  public function preprocess(array $variables): array {
    $variables = parent::preprocess($variables);
    $content = $variables['content'];
    $variables['description'] = $content['field_highlight_cta_body'];

    /** @var \Drupal\block_content\Entity\BlockContent */
    $block = $variables['content']['#block_content'];

    $variables['background_color'] = $block->field_highlight_cta_bkgrnd->value;
    $variables['image_align'] = $block->field_highlight_cta_image_align->value;
    $variables['url'] = $block->field_highlight_cta_cta->uri;
    $variables['cta'] = $block->field_highlight_cta_cta->title;
    $variables['title'] = $block->field_highlight_cta_heading->value;
    $alt = $block->field_highlight_cta_image->entity->get('field_media_image')->alt;
    $variables['alt'] = $alt;
    $uri = $block->field_highlight_cta_image->entity->get('field_media_image')->entity->uri->value;
    $variables['src'] = \Drupal::service('file_url_generator')->generateAbsoluteString($uri);
    return $variables;
  }

}