materio-d8/web/modules/custom/materio_graphql/src/Plugin/GraphQL/SchemaExtension/MaterioSchemaExtension.php

<?php

namespace Drupal\materio_graphql\Plugin\GraphQL\SchemaExtension;

use Drupal\graphql\GraphQL\ResolverBuilder;
use Drupal\graphql\GraphQL\ResolverRegistryInterface;
use Drupal\graphql\GraphQL\Response\ResponseInterface;
use Drupal\graphql\Plugin\GraphQL\SchemaExtension\SdlSchemaExtensionPluginBase;
use Drupal\materio_graphql\GraphQL\Response\MaterioResponse;
use Drupal\Core\Url;
/**
 * @SchemaExtension(
 *   id = "materio_extension",
 *   name = "Materio extension",
 *   description = "Materio extension.",
 *   schema = "materio"
 * )
 */
class MaterioSchemaExtension extends SdlSchemaExtensionPluginBase {

  /**
   * {@inheritdoc}
   */
  public function registerResolvers(ResolverRegistryInterface $registry) {
    $builder = new ResolverBuilder();


 //  __  __      _           _
 // |  \/  |__ _| |_ ___ _ _(_)__ _ _  _
 // | |\/| / _` |  _/ -_) '_| / _` | || |
 // |_|  |_\__,_|\__\___|_| |_\__,_|\_,_|
    $registry->addFieldResolver('Query', 'materiau',
      $builder->produce('entity_load')
        ->map('type', $builder->fromValue('node'))
        ->map('bundles', $builder->fromValue(['materiau']))
        ->map('id', $builder->fromArgument('id'))
      );

    $registry->addFieldResolver('Materiau', 'id',
      $builder->produce('entity_id')
        ->map('entity', $builder->fromParent())
      );

    $registry->addFieldResolver('Materiau', 'uuid',
      $builder->produce('entity_uuid')
        ->map('entity', $builder->fromParent())
      );

    $registry->addFieldResolver('Materiau', 'title',
      $builder->compose(
        $builder->produce('entity_label')
          ->map('entity', $builder->fromParent())
      ));

    $registry->addFieldResolver('Materiau', 'body',
      $builder->produce('property_path')
        ->map('type', $builder->fromValue('entity:node'))
        ->map('value', $builder->fromParent())
        ->map('path', $builder->fromValue('body.value'))
      );

    $registry->addFieldResolver('Materiau', 'short_description',
      $builder->produce('property_path')
        ->map('type', $builder->fromValue('entity:node'))
        ->map('value', $builder->fromParent())
        ->map('path', $builder->fromValue('field_short_description.value'))
      );

    $registry->addFieldResolver('Materiau', 'author',
      $builder->compose(
        $builder->produce('entity_owner')
          ->map('entity', $builder->fromParent()),
        $builder->produce('entity_label')
          ->map('entity', $builder->fromParent())
      ));

    // https://github.com/drupal-graphql/graphql/blob/8.x-4.x/doc/SUMMARY.md
    // https://blog.chrismitchellonline.com/posts/custom_graphql_data/

    $registry->addFieldResolver('Materiau', 'linked_materials',
      $builder->compose(
        $builder->produce('entity_reference')
          ->map('entity', $builder->fromParent())
          ->map('field', $builder->fromValue('field_linked_materials'))
      ));

    $registry->addFieldResolver('Materiau', 'linked_articles',
      $builder->compose(
        $builder->produce('entity_reference')
          ->map('entity', $builder->fromParent())
          ->map('field', $builder->fromValue('field_linked_articles'))
      ));

    $registry->addFieldResolver('Materiau', 'memo',
      $builder->produce('property_path')
        ->map('type', $builder->fromValue('entity:node'))
        ->map('value', $builder->fromParent())
        ->map('path', $builder->fromValue('field_memo.value'))
      );

    $registry->addFieldResolver('Materiau', 'images',
      $builder->produce('entity_reference')
        ->map('entity', $builder->fromParent())
        ->map('field', $builder->fromValue('field_materiau_images'))
      );

    $registry->addFieldResolver('Materiau', 'attachments',
      $builder->produce('property_path')
        ->map('type', $builder->fromValue('entity:node'))
        ->map('value', $builder->fromParent())
        ->map('path', $builder->fromValue('field_attachments'))
      // $builder->produce('entity_reference')
      //   ->map('entity', $builder->fromParent())
      //   ->map('field', $builder->fromValue('field_attachments'))
      );

    $registry->addFieldResolver('Materiau', 'videos',
      $builder->produce('property_path')
        ->map('type', $builder->fromValue('entity:node'))
        ->map('value', $builder->fromParent())
        ->map('path', $builder->fromValue('field_video'))
      );

    $registry->addFieldResolver('Materiau', 'tags',
      $builder->produce('entity_reference')
        ->map('entity', $builder->fromParent())
        ->map('field', $builder->fromValue('field_tags'))
      );

    $registry->addFieldResolver('Materiau', 'thesaurus',
      $builder->produce('entity_reference')
        ->map('entity', $builder->fromParent())
        ->map('field', $builder->fromValue('field_thesaurus'))
      );

    // field_distributor
    // field_famille
    // field_index
    // field_manufacturer
    // field_reference
    // field_samples

 //    _       _   _    _
 //   /_\  _ _| |_(_)__| |___
 //  / _ \| '_|  _| / _| / -_)
 // /_/ \_\_|  \__|_\__|_\___|
    $registry->addFieldResolver('Query', 'article',
      $builder->produce('entity_load')
        ->map('type', $builder->fromValue('node'))
        ->map('bundles', $builder->fromValue(['article']))
        ->map('id', $builder->fromArgument('id'))
      );

    $registry->addFieldResolver('Article', 'id',
      $builder->produce('entity_id')
        ->map('entity', $builder->fromParent())
      );

    $registry->addFieldResolver('Article', 'uuid',
      $builder->produce('entity_uuid')
        ->map('entity', $builder->fromParent())
      );

    $registry->addFieldResolver('Article', 'title',
      $builder->compose(
        $builder->produce('entity_label')
          ->map('entity', $builder->fromParent())
      ));

    $registry->addFieldResolver('Article', 'author',
      $builder->compose(
        $builder->produce('entity_owner')
          ->map('entity', $builder->fromParent()),
        $builder->produce('entity_label')
          ->map('entity', $builder->fromParent())
      ));

    $registry->addFieldResolver('Article', 'body',
      $builder->produce('property_path')
        ->map('type', $builder->fromValue('entity:node'))
        ->map('value', $builder->fromParent())
        ->map('path', $builder->fromValue('body.value'))
      );

    $registry->addFieldResolver('Article', 'memo',
      $builder->produce('property_path')
        ->map('type', $builder->fromValue('entity:node'))
        ->map('value', $builder->fromParent())
        ->map('path', $builder->fromValue('field_memo.value'))
      );
    // https://github.com/drupal-graphql/graphql/blob/8.x-4.x/doc/SUMMARY.md
    // https://blog.chrismitchellonline.com/posts/custom_graphql_data/
    $registry->addFieldResolver('Article', 'linked_materials',
      $builder->produce('entity_reference')
        ->map('entity', $builder->fromParent())
        ->map('field', $builder->fromValue('field_linked_materials'))
      );

    $registry->addFieldResolver('Article', 'images',
      $builder->produce('entity_reference')
        ->map('entity', $builder->fromParent())
        ->map('field', $builder->fromValue('field_visuel'))
      );

    $registry->addFieldResolver('Article', 'videos',
      $builder->produce('property_path')
        ->map('type', $builder->fromValue('entity:node'))
        ->map('value', $builder->fromParent())
        ->map('path', $builder->fromValue('field_video'))
      );

    $registry->addFieldResolver('Article', 'tags',
      $builder->produce('entity_reference')
        ->map('entity', $builder->fromParent())
        ->map('field', $builder->fromValue('field_tags'))
      );

    $registry->addFieldResolver('Article', 'thesaurus',
      $builder->produce('entity_reference')
        ->map('entity', $builder->fromParent())
        ->map('field', $builder->fromValue('field_thesaurus'))
      );

    $registry->addFieldResolver('Article', 'showroom',
      $builder->compose(
        $builder->produce('entity_reference')
          ->map('entity', $builder->fromParent())
          ->map('field', $builder->fromValue('field_showroom')),
        $builder->callback(function ($items) {
            return $items[0];
          })
      ));

    $registry->addFieldResolver('Article', 'source',
      $builder->produce('property_path')
        ->map('type', $builder->fromValue('entity:node'))
        ->map('value', $builder->fromParent())
        ->map('path', $builder->fromValue('field_source'))
      );

    $registry->addFieldResolver('Article', 'date',
      $builder->produce('property_path')
        ->map('type', $builder->fromValue('entity:node'))
        ->map('value', $builder->fromParent())
        ->map('path', $builder->fromValue('field_date'))
      );


 //  ___ _ _
 // | __(_) |___
 // | _|| | / -_)
 // |_| |_|_\___|

    $registry->addFieldResolver('Filefield', 'description',
      $builder->callback(function ($parent, $args) {
        return $parent['description'];
      })
    );
    $registry->addFieldResolver('Filefield', 'file',
      // $builder->produce('entity_reference')
      //   ->map('entity', $builder->fromParent())
      //   ->map('field', $builder->fromValue('field_showroom'))
      $builder->callback(function ($parent, $args) {
        return \Drupal\file\Entity\File::load($parent['target_id']);
      })
    );

    $registry->addFieldResolver('File', 'url',
      $builder->callback(function ($parent, $args) {
        return $parent->url();
      })
    );

    $registry->addFieldResolver('File', 'filesize',
      $builder->callback(function ($parent, $args) {
        return $parent->getSize();
      })
    );

    $registry->addFieldResolver('File', 'filemime',
      $builder->callback(function ($parent, $args) {
        return $parent->getMimeType();
      })
    );

    $registry->addFieldResolver('File', 'filename',
      $builder->callback(function ($parent, $args) {
        return $parent->getFilename();
      })
    );

    $registry->addFieldResolver('File', 'fid',
      $builder->callback(function ($parent, $args) {
        return $parent->id();
      })
    );

    $registry->addFieldResolver('File', 'uuid',
      $builder->callback(function ($parent, $args) {
        return $parent->uuid();
      })
    );


 //  ___       _
 // |   \ __ _| |_ ___
 // | |) / _` |  _/ -_)
 // |___/\__,_|\__\___|
    $registry->addFieldResolver('Date', 'start',
      $builder->callback(function ($parent, $args) {
        return $parent[0]['value'];
      })
    );
    $registry->addFieldResolver('Date', 'end',
      $builder->callback(function ($parent, $args) {
        return $parent[0]['end_value'];
      })
    );


 //  _    _      _
 // | |  (_)_ _ | |__
 // | |__| | ' \| / /
 // |____|_|_||_|_\_\
    $registry->addFieldResolver('Link', 'url',
      $builder->callback(function ($parent, $args) {
        return $parent[0]['uri'];
      })
    );
    $registry->addFieldResolver('Link', 'title',
      $builder->callback(function ($parent, $args) {
        return $parent[0]['title'];
      })
    );


 //  ___ _
 // / __| |_  _____ __ ___ _ ___  ___ _ __
 // \__ \ ' \/ _ \ V  V / '_/ _ \/ _ \ '  \
 // |___/_||_\___/\_/\_/|_| \___/\___/_|_|_|
    $registry->addFieldResolver('Query', 'showroom',
      $builder->produce('entity_load')
        ->map('type', $builder->fromValue('taxonomy_term'))
        ->map('bundles', $builder->fromValue(['showroom']))
        ->map('id', $builder->fromArgument('id'))
      );

    $registry->addFieldResolver('Showroom', 'id',
      $builder->produce('entity_id')
        ->map('entity', $builder->fromParent())
      );

    $registry->addFieldResolver('Showroom', 'uuid',
      $builder->produce('entity_uuid')
        ->map('entity', $builder->fromParent())
      );

    $registry->addFieldResolver('Showroom', 'name',
      $builder->produce('entity_label')
        ->map('entity', $builder->fromParent())
      );


 //  _____
 // |_   _|_ _ __ _
 //   | |/ _` / _` |
 //   |_|\__,_\__, |
 //           |___/
    $registry->addFieldResolver('Query', 'tag',
      $builder->produce('entity_load')
        ->map('type', $builder->fromValue('taxonomy_term'))
        ->map('bundles', $builder->fromValue(['tags']))
        ->map('id', $builder->fromArgument('id'))
      );

    $registry->addFieldResolver('Tag', 'id',
      $builder->produce('entity_id')
        ->map('entity', $builder->fromParent())
      );

    $registry->addFieldResolver('Tag', 'uuid',
      $builder->produce('entity_uuid')
        ->map('entity', $builder->fromParent())
      );

    $registry->addFieldResolver('Tag', 'name',
      $builder->produce('entity_label')
        ->map('entity', $builder->fromParent())
      );


 //  _____ _
 // |_   _| |_  ___ ___ __ _ _  _ _ _ _  _ ___
 //   | | | ' \/ -_|_-</ _` | || | '_| || (_-<
 //   |_| |_||_\___/__/\__,_|\_,_|_|  \_,_/__/
    $registry->addFieldResolver('Query', 'thesaurus',
      $builder->produce('entity_load')
        ->map('type', $builder->fromValue('taxonomy_term'))
        ->map('bundles', $builder->fromValue(['thesaurus']))
        ->map('id', $builder->fromArgument('id'))
      );

    $registry->addFieldResolver('Thesaurus', 'id',
      $builder->produce('entity_id')
        ->map('entity', $builder->fromParent())
      );

    $registry->addFieldResolver('Thesaurus', 'uuid',
      $builder->produce('entity_uuid')
        ->map('entity', $builder->fromParent())
      );

    $registry->addFieldResolver('Thesaurus', 'name',
      $builder->produce('entity_label')
        ->map('entity', $builder->fromParent())
      );


 // __   ___    _         _    _      _
 // \ \ / (_)__| |___ ___| |  (_)_ _ | |__
 //  \ V /| / _` / -_) _ \ |__| | ' \| / /
 //   \_/ |_\__,_\___\___/____|_|_||_|_\_\
    $registry->addFieldResolver('VideoLink', 'url',
      $builder->produce('property_path')
        ->map('type', $builder->fromValue('field_item:video_embed_field'))
        ->map('value', $builder->fromParent())
        ->map('path', $builder->fromValue('value'))
      );


 //  ___
 // |_ _|_ __  __ _ __ _ ___
 //  | || '  \/ _` / _` / -_)
 // |___|_|_|_\__,_\__, \___|
 //                |___/
    $registry->addFieldResolver('Image', 'id',
      $builder->produce('entity_id')
        ->map('entity', $builder->fromParent())
      );

    $registry->addFieldResolver('Image', 'url',
      $builder->produce('image_url')
        ->map('entity', $builder->fromParent())
      );

    $registry->addFieldResolver('Image', 'alt',
      $builder->produce('property_path')
      ->map('type', $builder->fromValue('entity:node'))
      ->map('value', $builder->fromParent())
      ->map('path', $builder->fromValue('field_image.alt'))
      );

    $registry->addFieldResolver('Image', 'style_minicard',
      $builder->produce('image_derivative')
        ->map('entity', $builder->fromParent())
        ->map('style', $builder->fromValue('card_medium_half'))
      );

    $registry->addFieldResolver('Image', 'style_cardmedium',
      $builder->produce('image_derivative')
        ->map('entity', $builder->fromParent())
        ->map('style', $builder->fromValue('card_medium'))
      );

    $registry->addFieldResolver('Image', 'style_cardfull',
      $builder->produce('image_derivative')
        ->map('entity', $builder->fromParent())
        ->map('style', $builder->fromValue('card_full'))
      );

    $registry->addFieldResolver('Image', 'style_articlecardmedium',
      $builder->produce('image_derivative')
        ->map('entity', $builder->fromParent())
        ->map('style', $builder->fromValue('article_card_medium'))
      );

    // Response type resolver.
    $registry->addTypeResolver('Response', [
      __CLASS__,
      'resolveResponse',
    ]);
  }

  /**
   * Resolves the response type.
   *
   * @param \Drupal\graphql\GraphQL\Response\ResponseInterface $response
   *   Response object.
   *
   * @return string
   *   Response type.
   *
   * @throws \Exception
   *   Invalid response type.
   */
  public static function resolveResponse(ResponseInterface $response): string {
    // Resolve content response.
    if ($response instanceof MateriauResponse) {
      return 'MateriauResponse';
    }
    throw new \Exception('Invalid response type.');
  }

}