<?php

namespace Drupal\block_content;

use Drupal\views\EntityViewsData;

/**
 * Provides the views data for the block_content entity type.
 */
class BlockContentViewsData extends EntityViewsData {

  /**
   * {@inheritdoc}
   */
  public function getViewsData() {

    $data = parent::getViewsData();

    $data['block_content_field_data']['id']['field']['id'] = 'field';

    $data['block_content_field_data']['info']['field']['id'] = 'field';
    $data['block_content_field_data']['info']['field']['link_to_entity default'] = TRUE;

    $data['block_content_field_data']['type']['field']['id'] = 'field';

    $data['block_content']['block_content_listing_empty'] = [
      'title' => $this->t('Empty block library behavior'),
      'help' => $this->t('Provides a link to add a new block.'),
      'area' => [
        'id' => 'block_content_listing_empty',
      ],
    ];
    // Advertise this table as a possible base table.
    $data['block_content_field_revision']['table']['base']['help'] = $this->t('Block Content revision is a history of changes to block content.');
    $data['block_content_field_revision']['table']['base']['defaults']['title'] = 'info';

    // @todo EntityViewsData should add these relationships by default.
    //   https://www.drupal.org/node/2410275
    $data['block_content_field_revision']['id']['relationship']['id'] = 'standard';
    $data['block_content_field_revision']['id']['relationship']['base'] = 'block_content_field_data';
    $data['block_content_field_revision']['id']['relationship']['base field'] = 'id';
    $data['block_content_field_revision']['id']['relationship']['title'] = $this->t('Block Content');
    $data['block_content_field_revision']['id']['relationship']['label'] = $this->t('Get the actual block content from a block content revision.');

    $data['block_content_field_revision']['revision_id']['relationship']['id'] = 'standard';
    $data['block_content_field_revision']['revision_id']['relationship']['base'] = 'block_content_field_data';
    $data['block_content_field_revision']['revision_id']['relationship']['base field'] = 'revision_id';
    $data['block_content_field_revision']['revision_id']['relationship']['title'] = $this->t('Block Content');
    $data['block_content_field_revision']['revision_id']['relationship']['label'] = $this->t('Get the actual block content from a block content revision.');

    return $data;
  }

}