commands-1.x-dev/modules/tasks/src/Form/TaskTypeForm.php

<?php

declare(strict_types=1);

namespace Drupal\tasks\Form;

use Drupal\commands\Entity\CommandType;
use Drupal\Component\Plugin\Exception\PluginNotFoundException;
use Drupal\Core\Entity\BundleEntityFormBase;
use Drupal\Core\Entity\EntityTypeInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\tasks\Entity\TaskType;

/**
 * Form handler for tasks type forms.
 */
final class TaskTypeForm extends BundleEntityFormBase {

  /**
   * {@inheritdoc}
   */
  public function form(array $form, FormStateInterface $form_state): array {
    $form = parent::form($form, $form_state);
    $task_type = $this->getEntity();

    if ($this->operation === 'edit') {
      $form['#title'] = $this->t('Edit %label task type', ['%label' => $this->entity->label()]);
    }

    if ($task_type->isNew()) {
      $plugin = \Drupal::routeMatch()->getParameter('plugin');
      if (empty($plugin)) {
        $this->messenger()->addError($this->t('Click "Enable" under "Disabled task types" to add a new task type.'));
        $this->redirect('entity.task_type.collection')->send();
        return $form;
      }
      else {
        $task_type->setPlugin($plugin);
      }
    }
    else {
      $plugin = $task_type->id();
    }

    $definition = \Drupal::service('plugin.manager.task_type')->getDefinition($plugin);

    try {
      $task_type->setPlugin($plugin);
      $task_plugin = $task_type->getPlugin();
      $commands = $task_plugin->commands();
      $required_commands = array_keys($commands);
      $commands_list = [];
      foreach ($commands as $command_type => $params) {
        $command = CommandType::load($command_type);
        if ($command) {
          $active_commands[] = $command_type;
          $commands_list[] = $command->toLink(null, 'edit-form');
        }
      }
      if (count($required_commands) > count($active_commands)) {
        // @TODO: These errors are not showing.
        $this->messenger()->addError(t('Task type cannot be enabled because the following commands are not enabled: :commands', [
          ':commands' => implode(', ', array_diff($required_commands, $active_commands)),
        ]));
        $this->redirect('entity.task_type.collection')->send();
        return $form;
      }

      $form['commands'] = [
        '#title' => t('Commands'),
        '#theme' => 'item_list',
        '#items' => $commands_list,
      ];
      $form['help'] = [
        '#type' => 'html_tag',
        '#tag' => 'div',
        '#attributes' => ['class' => 'form-item__description'],
        '#value' => t('These commands will be run for every created task.'),
      ];
    }
    catch (PluginNotFoundException $e) {
      $this->messenger()->addError($e->getMessage());
      $this->redirect('entity.task_type.collection')->send();
      return $form;
    }

    $form['label'] = [
      '#title' => $this->t('Label'),
      '#type' => 'textfield',
      '#default_value' => $task_type->label() ?: $definition['label'],
      '#description' => $this->t('The text to display for this task.'),
      '#required' => TRUE,
      '#size' => 30,
    ];

    $form['description'] = [
      '#title' => $this->t('Description'),
      '#type' => 'textarea',
      '#default_value' => $task_type->description() ?: $definition['description'],
      '#description' => $this->t('Text to display to the user when choosing what task to run.'),
      '#size' => 30,
    ];

    $form['id'] = [
      '#type' => 'value',
      '#default_value' => $task_type->id(),
    ];
    return $this->protectBundleIdElement($form);
  }

  /**
   * {@inheritdoc}
   */
  protected function actions(array $form, FormStateInterface $form_state): array {
    $actions = parent::actions($form, $form_state);
    $actions['submit']['#value'] = $this->t('Save tasks type');
    $actions['delete']['#value'] = $this->t('Delete tasks type');
    return $actions;
  }

  /**
   * {@inheritdoc}
   */
  public function save(array $form, FormStateInterface $form_state) {

    /** @var TaskType $entity_type */
    $entity_type = $this->entity;

    $entity_type->set('id', $entity_type->getPlugin()->getPluginId());

    if (empty($entity_type->get('label'))) {
      $entity_type->set('label', $entity_type->getPlugin()->label());
    }

    $status = $entity_type->save();

    $t_args = ['%name' => $entity_type->label()];
    if ($status == SAVED_UPDATED) {
      $message = $this->t('The task type %name has been updated.', $t_args);
    }
    elseif ($status == SAVED_NEW) {
      $message = $this->t('The task type %name has been enabled.', $t_args);
    }
    $this->messenger()->addStatus($message);

    $form_state->setRedirectUrl($entity_type->toUrl('collection'));
  }


}