Workspace.php

<?php

namespace Drupal\workspaces\Entity;

use Drupal\Core\Entity\ContentEntityBase;
use Drupal\Core\Entity\EntityChangedTrait;
use Drupal\Core\Entity\EntityStorageInterface;
use Drupal\Core\Entity\EntityTypeInterface;
use Drupal\Core\Field\BaseFieldDefinition;
use Drupal\Core\StringTranslation\TranslatableMarkup;
use Drupal\user\EntityOwnerTrait;
use Drupal\workspaces\WorkspaceInterface;

/**
 * The workspace entity class.
 *
 * @ContentEntityType(
 *   id = "workspace",
 *   label = @Translation("Workspace"),
 *   label_collection = @Translation("Workspaces"),
 *   label_singular = @Translation("workspace"),
 *   label_plural = @Translation("workspaces"),
 *   label_count = @PluralTranslation(
 *     singular = "@count workspace",
 *     plural = "@count workspaces"
 *   ),
 *   handlers = {
 *     "list_builder" = "\Drupal\workspaces\WorkspaceListBuilder",
 *     "view_builder" = "Drupal\workspaces\WorkspaceViewBuilder",
 *     "access" = "Drupal\workspaces\WorkspaceAccessControlHandler",
 *     "route_provider" = {
 *       "html" = "\Drupal\Core\Entity\Routing\AdminHtmlRouteProvider",
 *     },
 *     "form" = {
 *       "default" = "\Drupal\workspaces\Form\WorkspaceForm",
 *       "add" = "\Drupal\workspaces\Form\WorkspaceForm",
 *       "edit" = "\Drupal\workspaces\Form\WorkspaceForm",
 *       "delete" = "\Drupal\workspaces\Form\WorkspaceDeleteForm",
 *       "activate" = "\Drupal\workspaces\Form\WorkspaceActivateForm",
 *     },
 *   },
 *   admin_permission = "administer workspaces",
 *   base_table = "workspace",
 *   revision_table = "workspace_revision",
 *   data_table = "workspace_field_data",
 *   revision_data_table = "workspace_field_revision",
 *   field_ui_base_route = "entity.workspace.collection",
 *   entity_keys = {
 *     "id" = "id",
 *     "revision" = "revision_id",
 *     "uuid" = "uuid",
 *     "label" = "label",
 *     "uid" = "uid",
 *     "owner" = "uid",
 *   },
 *   links = {
 *     "canonical" = "/admin/config/workflow/workspaces/manage/{workspace}",
 *     "add-form" = "/admin/config/workflow/workspaces/add",
 *     "edit-form" = "/admin/config/workflow/workspaces/manage/{workspace}/edit",
 *     "delete-form" = "/admin/config/workflow/workspaces/manage/{workspace}/delete",
 *     "activate-form" = "/admin/config/workflow/workspaces/manage/{workspace}/activate",
 *     "collection" = "/admin/config/workflow/workspaces",
 *   },
 * )
 */
class Workspace extends ContentEntityBase implements WorkspaceInterface {
    use EntityChangedTrait;
    use EntityOwnerTrait;
    
    /**
     * {@inheritdoc}
     */
    public static function baseFieldDefinitions(EntityTypeInterface $entity_type) {
        $fields = parent::baseFieldDefinitions($entity_type);
        $fields += static::ownerBaseFieldDefinitions($entity_type);
        $fields['id'] = BaseFieldDefinition::create('string')->setLabel(new TranslatableMarkup('Workspace ID'))
            ->setDescription(new TranslatableMarkup('The workspace ID.'))
            ->setSetting('max_length', 128)
            ->setRequired(TRUE)
            ->addConstraint('UniqueField')
            ->addConstraint('DeletedWorkspace')
            ->addPropertyConstraints('value', [
            'Regex' => [
                'pattern' => '/^[a-z0-9_]+$/',
            ],
        ]);
        $fields['label'] = BaseFieldDefinition::create('string')->setLabel(new TranslatableMarkup('Workspace name'))
            ->setDescription(new TranslatableMarkup('The workspace name.'))
            ->setRevisionable(TRUE)
            ->setSetting('max_length', 128)
            ->setRequired(TRUE);
        $fields['uid']->setLabel(new TranslatableMarkup('Owner'))
            ->setDescription(new TranslatableMarkup('The workspace owner.'))
            ->setDisplayOptions('form', [
            'type' => 'entity_reference_autocomplete',
            'weight' => 5,
        ])
            ->setDisplayConfigurable('form', TRUE);
        $fields['parent'] = BaseFieldDefinition::create('entity_reference')->setLabel(new TranslatableMarkup('Parent'))
            ->setDescription(new TranslatableMarkup('The parent workspace.'))
            ->setSetting('target_type', 'workspace')
            ->setReadOnly(TRUE)
            ->setDisplayConfigurable('form', TRUE)
            ->setDisplayOptions('form', [
            'type' => 'options_select',
            'weight' => 10,
        ]);
        $fields['changed'] = BaseFieldDefinition::create('changed')->setLabel(new TranslatableMarkup('Changed'))
            ->setDescription(new TranslatableMarkup('The time that the workspace was last edited.'))
            ->setRevisionable(TRUE);
        $fields['created'] = BaseFieldDefinition::create('created')->setLabel(new TranslatableMarkup('Created'))
            ->setDescription(new TranslatableMarkup('The time that the workspace was created.'));
        return $fields;
    }
    
    /**
     * {@inheritdoc}
     */
    public function publish() {
        return \Drupal::service('workspaces.operation_factory')->getPublisher($this)
            ->publish();
    }
    
    /**
     * {@inheritdoc}
     */
    public function getCreatedTime() {
        return $this->get('created')->value;
    }
    
    /**
     * {@inheritdoc}
     */
    public function setCreatedTime($created) {
        return $this->set('created', (int) $created);
    }
    
    /**
     * {@inheritdoc}
     */
    public function hasParent() {
        return !$this->get('parent')
            ->isEmpty();
    }
    
    /**
     * {@inheritdoc}
     */
    public static function preDelete(EntityStorageInterface $storage, array $entities) {
        parent::preDelete($storage, $entities);
        $workspace_tree = \Drupal::service('workspaces.repository')->loadTree();
        // Ensure that workspaces that have descendants can not be deleted.
        foreach ($entities as $entity) {
            if (!empty($workspace_tree[$entity->id()]['descendants'])) {
                throw new \InvalidArgumentException("The {$entity->label()} workspace can not be deleted because it has child workspaces.");
            }
        }
    }
    
    /**
     * {@inheritdoc}
     */
    public static function postDelete(EntityStorageInterface $storage, array $entities) {
        parent::postDelete($storage, $entities);
        // Add the IDs of the deleted workspaces to the list of workspaces that will
        // be purged on cron.
        $state = \Drupal::state();
        $deleted_workspace_ids = $state->get('workspace.deleted', []);
        $deleted_workspace_ids += array_combine(array_keys($entities), array_keys($entities));
        $state->set('workspace.deleted', $deleted_workspace_ids);
        // Trigger a batch purge to allow empty workspaces to be deleted
        // immediately.
        \Drupal::service('workspaces.manager')->purgeDeletedWorkspacesBatch();
    }

}