如何使用API在Drupal中添加数据集

langcode: en
status: true
dependencies:
  module:
    - entity
id: dataset
label: 'Dataset'
description: 'A collection of related data items.'
class: Drupal\dataset_manager\Entity\Dataset
entity_keys:
  id:
    type: integer
    label: 'ID'
    description: 'The ID of the dataset.'
    constraints:
      - NotNull: {}
  label:
    type: label
    label: 'Label'
    description: 'The label of the dataset.'
  uuid:
    type: uuid
    label: 'UUID'
    description: 'The UUID of the dataset.'

<?php

namespace Drupal\dataset_manager\Entity;

use Drupal\Core\Entity\ContentEntityBase;
use Drupal\Core\Entity\EntityTypeInterface;
use Drupal\Core\Field\BaseFieldDefinition;

/**
 * Defines the Dataset entity.
 *
 * @ContentEntityType(
 *   id = "dataset",
 *   label = @Translation("Dataset"),
 *   handlers = {
 *     "view_builder" = "Drupal\Core\Entity\EntityViewBuilder",
 *     "list_builder" = "Drupal\Core\Entity\EntityListBuilder",
 *     "form" = {
 *       "default" = "Drupal\dataset_manager\Form\DatasetForm",
 *       "add" = "Drupal\dataset_manager\Form\DatasetForm",
 *       "edit" = "Drupal\dataset_manager\Form\DatasetForm",
 *       "delete" = "Drupal\Core\Entity\ContentEntityDeleteForm",
 *     },
 *     "access" = "Drupal\dataset_manager\DatasetAccessControlHandler",
 *   },
 *   base_table = "dataset",
 *   admin_permission = "administer datasets",
 *   entity_keys = {
 *     "id" = "id",
 *     "label" = "label",
 *     "uuid" = "uuid",
 *   },
 *   links = {
 *     "canonical" = "/dataset/{dataset}",
 *     "add-form" = "/dataset/add",
 *     "edit-form" = "/dataset/{dataset}/edit",
 *     "delete-form" = "/dataset/{dataset}/delete",
 *     "collection" = "/admin/content/dataset",
 *   },
 * )
 */
class Dataset extends ContentEntityBase {

  public static function baseFieldDefinitions(EntityTypeInterface $entity_type) {
    $fields['id'] = BaseFieldDefinition::create('integer')
      ->setLabel(t('ID'))
      ->setDescription(t('The ID of the dataset.'))
      ->setReadOnly(TRUE);

    $fields['label'] = BaseFieldDefinition::create('string')
      ->setLabel(t('Label'))
      ->setDescription(t('The label of the dataset.'))
      ->setRequired(TRUE)
      ->setTranslatable(TRUE)
      ->setSetting('max_length', 255);

    $fields['uuid'] = BaseFieldDefinition::create('uuid')
      ->setLabel(t('UUID'))
      ->setDescription(t('The UUID of the dataset.'));

    return $fields;
  }

}

<?php

namespace Drupal\dataset_manager\Form;

use Drupal\Core\Entity\ContentEntityForm;
use Drupal\Core\Form\FormStateInterface;

/**
 * Form controller for the Dataset entity edit forms.
 */
class DatasetForm extends ContentEntityForm {

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $form = parent::buildForm($form, $form_state);
    // Add custom form elements here.
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function save(array $form, FormStateInterface $form_state) {
    $entity = $this->getEntity();
    $status = $entity->save();

    if ($status) {
      drupal_set_message($this->t('Saved the %label dataset.', [
        '%label' => $entity->label(),
      ]));
    }
    else {
      drupal_set_message($this->t('The dataset was not saved.'));
    }

    $form_state->setRedirect('entity.dataset.collection');
  }

}