Social links (@todo FB SHARE and Linkedin)

dies-event-social-links.html.twig

{#
/**
 * @file
 * Render social links.
 */
#}
<div class="social-buttons clearfix">
    <!-- FB share widget. -->
    

    <!-- Share twitter widget. -->
    <span class="social-button social-button--twitter">
        <a class="socialBar twitter-button" href="http://twitter.com/home?status={{node_title ~ ' ' ~ full_url}}" target="_blank" rel="nofollow">Share</a>
    </span>
    
     <!-- Linkedin widget. -->
     
     
</div>

dies_event.module

<?php

/**
 * @file
 * dies_event hooks.
 */

/**
 * Implements hook_theme().
 */
function dies_event_theme() {
  return array(
    'dies_event_social_links' => array(
      'render element' => 'elements',
      'template' => 'dies-event-social-links',
      'variables' => array(
        'full_url' => NULL,
        'node_title' => NULL,
      ),
    ),
  );
}

SocialBlock.php

<?php

namespace Drupal\dies_event\Plugin\Block;

use Drupal\Core\Block\BlockBase;

/**
 * @file
 * Render Social links.
 */

/**
 * Provides a 'SocialBlock' block.
 *
 * @Block(
 *  id = "social_block",
 *  admin_label = @Translation("Social block"),
 *  context = {
 *    "node" = @ContextDefinition("entity:node", label = @Translation("Node"))
 *  }
 * )
 */
class SocialBlock extends BlockBase {

  /**
   * {@inheritdoc}
   */
  public function build() {
    global $base_url;

    $node = $this->getContextValue('node');
    $build = [];
    $build['social_block'] = array(
      '#theme' => 'dies_event_social_links',
      '#full_url' => $base_url . $node->url(),
      '#node_title' => $node->getTitle(),
    );
    return $build;

  }

}