Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\migrate_tools\Form;
Chris@0: 
Chris@0: use Drupal\Core\Entity\EntityForm;
Chris@0: use Drupal\Core\Entity\Query\QueryFactory;
Chris@0: use Drupal\Core\Form\FormStateInterface;
Chris@0: use Drupal\migrate_plus\Entity\MigrationGroup;
Chris@0: use Symfony\Component\DependencyInjection\ContainerInterface;
Chris@0: use Drupal\migrate\Plugin\MigrationInterface;
Chris@0: 
Chris@0: /**
Chris@0:  * Class MigrationFormBase.
Chris@0:  *
Chris@0:  * @package Drupal\migrate_tools\Form
Chris@0:  *
Chris@0:  * @ingroup migrate_tools
Chris@0:  */
Chris@0: class MigrationFormBase extends EntityForm {
Chris@0: 
Chris@0:   /**
Chris@0:    * @var \Drupal\Core\Entity\Query\QueryFactory
Chris@0:    */
Chris@0:   protected $entityQueryFactory;
Chris@0: 
Chris@0:   /**
Chris@0:    * Construct the MigrationGroupFormBase.
Chris@0:    *
Chris@0:    * For simple entity forms, there's no need for a constructor. Our migration form
Chris@0:    * base, however, requires an entity query factory to be injected into it
Chris@0:    * from the container. We later use this query factory to build an entity
Chris@0:    * query for the exists() method.
Chris@0:    *
Chris@0:    * @param \Drupal\Core\Entity\Query\QueryFactory $query_factory
Chris@0:    *   An entity query factory for the migration group entity type.
Chris@0:    */
Chris@0:   public function __construct(QueryFactory $query_factory) {
Chris@0:     $this->entityQueryFactory = $query_factory;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Factory method for MigrationFormBase.
Chris@0:    *
Chris@0:    * @param \Symfony\Component\DependencyInjection\ContainerInterface $container
Chris@0:    *   A container interface service.
Chris@0:    *
Chris@0:    * @return \Drupal\migrate_tools\Form\MigrationGroupFormBase
Chris@0:    */
Chris@0:   public static function create(ContainerInterface $container) {
Chris@0:     return new static($container->get('entity.query'));
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Overrides Drupal\Core\Entity\EntityFormController::form().
Chris@0:    *
Chris@0:    * Builds the entity add/edit form.
Chris@0:    *
Chris@0:    * @param array $form
Chris@0:    *   An associative array containing the structure of the form.
Chris@0:    * @param \Drupal\Core\Form\FormStateInterface $form_state
Chris@0:    *   An associative array containing the current state of the form.
Chris@0:    *
Chris@0:    * @return array
Chris@0:    *   An associative array containing the migration add/edit form.
Chris@0:    */
Chris@0:   public function buildForm(array $form, FormStateInterface $form_state) {
Chris@0:     // Get anything we need from the base class.
Chris@0:     $form = parent::buildForm($form, $form_state);
Chris@0: 
Chris@0:     /** @var MigrationInterface $migration */
Chris@0:     $migration = $this->entity;
Chris@0: 
Chris@0:     $form['warning'] = [
Chris@0:       '#markup' => $this->t('Creating migrations is not yet supported. See <a href=":url">:url</a>', [
Chris@0:         ':url' => 'https://www.drupal.org/node/2573241',
Chris@0:       ])
Chris@0:     ];
Chris@0: 
Chris@0:     // Build the form.
Chris@0:     $form['label'] = array(
Chris@0:       '#type' => 'textfield',
Chris@0:       '#title' => $this->t('Label'),
Chris@0:       '#maxlength' => 255,
Chris@0:       '#default_value' => $migration->label(),
Chris@0:       '#required' => TRUE,
Chris@0:     );
Chris@0:     $form['id'] = array(
Chris@0:       '#type' => 'machine_name',
Chris@0:       '#title' => $this->t('Machine name'),
Chris@0:       '#default_value' => $migration->id(),
Chris@0:       '#machine_name' => array(
Chris@0:         'exists' => array($this, 'exists'),
Chris@0:         'replace_pattern' => '([^a-z0-9_]+)|(^custom$)',
Chris@0:         'error' => 'The machine-readable name must be unique, and can only contain lowercase letters, numbers, and underscores. Additionally, it can not be the reserved word "custom".',
Chris@0:       ),
Chris@0:       '#disabled' => !$migration->isNew(),
Chris@0:     );
Chris@0: 
Chris@0:     $groups = MigrationGroup::loadMultiple();
Chris@0:     $group_options = [];
Chris@0:     foreach ($groups as $group) {
Chris@0:       $group_options[$group->id()] = $group->label();
Chris@0:     }
Chris@0:     if (!$migration->get('migration_group') && isset($group_options['default'])) {
Chris@0:       $migration->set('migration_group', 'default');
Chris@0:     }
Chris@0: 
Chris@0:     $form['migration_group'] = array(
Chris@0:       '#type' => 'select',
Chris@0:       '#title' => $this->t('Migration Group'),
Chris@0:       '#empty_value' => '',
Chris@0:       '#default_value' => $migration->get('migration_group'),
Chris@0:       '#options' => $group_options,
Chris@0:       '#description' => $this->t('Assign this migration to an existing group.'),
Chris@0:     );
Chris@0: 
Chris@0:     return $form;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Checks for an existing migration group.
Chris@0:    *
Chris@0:    * @param string|int $entity_id
Chris@0:    *   The entity ID.
Chris@0:    * @param array $element
Chris@0:    *   The form element.
Chris@0:    * @param FormStateInterface $form_state
Chris@0:    *   The form state.
Chris@0:    *
Chris@0:    * @return bool
Chris@0:    *   TRUE if this format already exists, FALSE otherwise.
Chris@0:    */
Chris@0:   public function exists($entity_id, array $element, FormStateInterface $form_state) {
Chris@0:     // Use the query factory to build a new migration entity query.
Chris@0:     $query = $this->entityQueryFactory->get('migration');
Chris@0: 
Chris@0:     // Query the entity ID to see if its in use.
Chris@0:     $result = $query->condition('id', $element['#field_prefix'] . $entity_id)
Chris@0:       ->execute();
Chris@0: 
Chris@0:     // We don't need to return the ID, only if it exists or not.
Chris@0:     return (bool) $result;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Overrides Drupal\Core\Entity\EntityFormController::actions().
Chris@0:    *
Chris@0:    * @param array $form
Chris@0:    *   An associative array containing the structure of the form.
Chris@0:    * @param \Drupal\Core\Form\FormStateInterface $form_state
Chris@0:    *   An associative array containing the current state of the form.
Chris@0:    *
Chris@0:    * @return array
Chris@0:    *   An array of supported actions for the current entity form.
Chris@0:    */
Chris@0:   protected function actions(array $form, FormStateInterface $form_state) {
Chris@0:     // Get the basic actins from the base class.
Chris@0:     $actions = parent::actions($form, $form_state);
Chris@0: 
Chris@0:     // Change the submit button text.
Chris@0:     $actions['submit']['#value'] = $this->t('Save');
Chris@0: 
Chris@0:     // Return the result.
Chris@0:     return $actions;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Overrides Drupal\Core\Entity\EntityFormController::save().
Chris@0:    *
Chris@0:    * @param array $form
Chris@0:    *   An associative array containing the structure of the form.
Chris@0:    * @param \Drupal\Core\Form\FormStateInterface $form_state
Chris@0:    *   An associative array containing the current state of the form.
Chris@0:    *
Chris@0:    * @return $this
Chris@0:    */
Chris@0:   public function save(array $form, FormStateInterface $form_state) {
Chris@0:     $migration = $this->getEntity();
Chris@0:     $status = $migration->save();
Chris@0: 
Chris@0:     if ($status == SAVED_UPDATED) {
Chris@0:       // If we edited an existing entity...
Chris@0:       drupal_set_message($this->t('Migration %label has been updated.', array('%label' => $migration->label())));
Chris@0:     }
Chris@0:     else {
Chris@0:       // If we created a new entity...
Chris@0:       drupal_set_message($this->t('Migration %label has been added.', array('%label' => $migration->label())));
Chris@0:     }
Chris@0: 
Chris@0:     // Redirect the user back to the listing route after the save operation.
Chris@0:     $form_state->setRedirect('entity.migration.list',
Chris@0:       array('migration_group' => $migration->get('migration_group')));
Chris@0:   }
Chris@0: 
Chris@0: }