Issue #2640536 by andypost: Revert [META] Create a UI for selecting and exporting content

default_content.links.task.yml

-default_content.tabs:
-  class: \Drupal\Core\Menu\LocalTaskDefault
-  deriver: \Drupal\default_content\LocalTasks

default_content.module

 <?php
 
-
-/**
- * Implements hook_entity_type_alter().
- * creates another node form for exporting
- */
-function __default_content_entity_type_alter(array &$entity_types) {
-  foreach ($entity_types as $entity_type_id => $entity_type) {
-
-    if ($entity_type instanceOf Drupal\Core\Entity\ContentEntityType) {
-      $entity_types[$entity_type_id]
-        ->setFormClass('default_content_export', 'Drupal\default_content\ExportEntityForm');
-      $entity_types[$entity_type_id]
-        ->setLinkTemplate('export-form', "/$entity_type_id/{{$entity_type_id}}/export");
-    }
-  }
-
-}
-
 /**
  * Implements hook_modules_installed().
  */

default_content.routing.yml

-#entity.node.export:
-# defaults:
-#    _form: \Drupal\default_content\ExportForm
-#    _title: '\Drupal\defaultcontent\Export::title'
-#  requirements:
-#    _permission: 'access site reports'
-#  options:
-#    _admin_route: true

default_content.services.yml

@@ -2,9 +2,3 @@ services:
   default_content.manager:
     class: Drupal\default_content\DefaultContentManager
     arguments: ['@serializer', '@plugin.manager.rest', '@current_user', '@entity_type.manager', '@entity.repository', '@rest.link_manager', '@event_dispatcher', '@module_handler', '@info_parser']
-
-  default_content.route.subscriber:
-    class: Drupal\default_content\RouteSubscriber
-    arguments: ['@entity_type.manager']
-    tags:
-     - { name: event_subscriber }

src/ExportForm.php

-<?php
-
-/**
- * @file
- * Contains \Drupal\default_content\ExportForm.
- */
-
-namespace Drupal\default_content;
-
-use Drupal\Core\Form\FormStateInterface;
-use Symfony\Component\HttpFoundation\Response;
-
-/**
- * Converts a node to a config entity and shows it on screen
- * We use the EntityForm here because it is an easy way to get the node from the routing system
- */
-class ExportForm extends \Drupal\Core\Form\FormBase {
-
-  private $default_content_manager;
-  private $entity;
-  /**
-   * Constructs a ContentEntityForm object.
-   *
-   * @param \Drupal\Core\Entity\EntityManagerInterface $entity_manager
-   *   The entity manager.
-   */
-  public function __construct($entity_type_manager, $route_match, $default_content_manager) {
-    $params = $route_match->getParameters()->all();
-    list($entity_type_id, $id) = each($params);
-
-    $this->entity = $entity_type_manager->getStorage($entity_type_id)->load($id);
-    $this->defaultContentManager = $default_content_manager;
-  }
-
-  static function create(\Symfony\Component\DependencyInjection\ContainerInterface $container) {
-    return new static(
-      $container->get('entity_type.manager'),
-      $container->get('current_route_match'),
-      $container->get('default_content.manager')
-    );
-  }
-
-  function getFormId() {
-    return 'default_content_export_form';
-  }
-
-  function buildForm(array $form, FormStateInterface $form_state) {
-    $form['output'] = [
-      '#title' => $this->t('Output'),
-      '#type' => 'radios',
-      '#options' => [
-        'download' => $this->t('Download'),
-        'screen' => $this->t('Print to screen')
-      ],
-      '#required' => TRUE,
-    ];
-    $form['relations'] = [
-      '#title' => $this->t('Include relations'),
-      '#type' => 'checkbox',
-      '#states' => [
-        'visible' => [
-          ':input[name=output]' => ['value' => 'screen']
-        ]
-      ]
-    ];
-    $form['actions']['submit'] = [
-      '#type' => 'submit',
-      '#value' => $this->t('Export'),
-      '#submit' => [[$this, 'submitForm']]
-    ];
-    if ($output = $form_state->get('exported')) {
-      foreach ($output as $entity_type_id => $entities) {
-        foreach ($entities as $uuid => $entity) {
-          $form['exported'] = [
-            '#title' => $entity_type_id,
-            '#type' => 'textarea',
-            '#description' => $this->t('Put this code in a file, in @path', ['@path' => 'MY_MODULE/content/'.$entity_type_id.'/'.$uuid.'.json']),
-            '#value' => $entity,
-            '#input' => FALSE
-          ];
-        }
-      }
-
-    }
-    return $form;
-  }
-
-  protected function getEditedFieldNames(FormStateInterface $form_state) {
-    $fieldnames = getEditedFieldNames($form_state);
-    $fieldnames[] = 'output';
-    $fieldnames[] = 'relations';
-    return $fieldnames;
-  }
-
-  //this is being called statically, for some reason
-  function submitForm(array &$form, FormStateInterface $form_state) {
-    $params = \Drupal::routeMatch()->getParameters()->all();
-    list($entity_type_id, $id) = each($params);
-
-
-    if ($form_state->getValue('relations')) {
-      $entities = $this->defaultContentManager
-        ->exportContentWithReferences($entity_type_id, $id);
-    }
-    else {
-      $entity = \Drupal::entityTypeManager()->getStorage($entity_type_id)->load($id);
-      $json = $this->defaultContentManager->exportContent($entity_type_id, $id);
-      $entities = [
-        $entity_type_id => [
-          $entity->uuid() => $json
-        ]
-      ];
-    }
-
-
-    if ($form_state->getValue('output') == 'download') {
-      if (!isset($entity)) {
-        drupal_set_message('creating of the zip file is not yet implemented');//@todo
-      }
-      $headers = [
-        'Content-Type' => 'application/octet-stream',
-        'Content-Length' => strlen($content),
-        'Content-Disposition' =>  'attachment; filename='.$entity->uuid().'.json'
-      ];
-
-      $content = $entities[$entity_type_id][$entity->uuid()];
-      $response = new Response($content, 200, $headers);
-      $response->send();
-      exit;
-    }
-    else {
-      $form_state->set('exported', $entities);
-      $form_state->setRebuild(TRUE);
-    }
-  }
-
-
-}

src/LocalTasks.php

-<?php
-
-/**
- * @file
- * Contains \Drupal\default_content\Plugin\Derivative\LocalTasks.
- */
-
-namespace Drupal\default_content;
-
-use Drupal\Core\Plugin\Discovery\ContainerDeriverInterface;
-use Drupal\Component\Plugin\Derivative\DeriverBase;
-use Symfony\Component\DependencyInjection\ContainerInterface;
-use Drupal\Core\StringTranslation\StringTranslationTrait;
-
-/**
- * Provides local task definitions one to export each entity type
- */
-class LocalTasks extends DeriverBase implements ContainerDeriverInterface {
-
-  use StringTranslationTrait;
-
-  var $entityTypeManager;
-
-  /**
-   * {@inheritdoc}
-   */
-  public function __construct($entity_type_manager) {
-    $this->entityTypeManager = $entity_type_manager;
-  }
-
-  /**
-   * {@inheritdoc}
-   */
-  public static function create(ContainerInterface $container, $base_plugin_id) {
-    return new static(
-      $container->get('entity_type.manager')
-    );
-  }
-
-  /**
-   * {@inheritdoc}
-   */
-  public function getDerivativeDefinitions($base_plugin_definition) {
-    $this->derivatives = [];
-    foreach ($this->entityTypeManager->getDefinitions() as $entity_type_id => $definition) {
-      if ($definition instanceOf \Drupal\Core\Entity\ContentEntityType) {
-        $this->derivatives["default_content.export.".$entity_type_id] = [
-          'route_name' => "entity.$entity_type_id.export",
-          'weight' => 5,
-          'title' => $this->t('Export'),
-          'base_route' => "entity.$entity_type_id.canonical",
-        ];
-      }
-    }
-    return $this->derivatives;
-  }
-
-}

src/RouteSubscriber.php

-<?php
-
-/**
- * @file
- * Contains \Drupal\default_content\RouteSubscriber.
- * Makes a new export route for every contentEntity
- */
-
-namespace Drupal\default_content;
-
-use Drupal\Core\Routing\RouteSubscriberBase;
-use Symfony\Component\Routing\RouteCollection;
-use Drupal\Core\Routing\RoutingEvents;
-use Symfony\Component\Routing\Route;
-
-/**
- * Subscriber for one route to export each entity type
- */
-class RouteSubscriber extends RouteSubscriberBase {
-
-  /**
-   * {@inheritdoc}
-   */
-  protected function alterRoutes(RouteCollection $collection) {
-    foreach (\Drupal::entityTypeManager()->getDefinitions() as $entity_type_id => $definition) {
-      if ($definition instanceOf \Drupal\Core\Entity\ContentEntityType) {
-        $route = new Route($definition->getLinkTemplate('canonical') . '/export');
-        $route->setDefaults([
-          '_form' => '\Drupal\default_content\ExportForm',
-          '_title' => 'Export'
-        ]);
-        $route->setRequirements([
-          '_permission' => 'access site reports',
-        ]);
-        $collection->add('entity.'.$entity_type_id.'.export', $route);
-      }
-    }
-  }
-
-
-  /**
-   * {@inheritdoc}
-   */
-  public static function getSubscribedEvents() {
-    return [
-      RoutingEvents::ALTER => ['onAlterRoutes', 100]
-    ];
-  }
-
-}