Site Information (TEST-Interview)

1. site_information/site_information.info.yml

name: Site Information

description: Custom module for add the field in site information form.

core: 8.x

package: Custom

type: module

version: 8.x-6.3

2. site_information / site_information.routing.yml

site_information.get_node_data:

  path: '/data/node_page/{id}'

  defaults:

    _controller: '\Drupal\site_information\Controller\SiteController::data'

    _title: 'node Data'

  requirements:

    _permission: 'access content'

3. site_information / site_information.module

<?php

use Drupal\Core\Form\FormStateInterface;

/**

 * Implements hook_form_system_site_information_settings_alter().

 */

function site_information_form_system_site_information_settings_alter(&$form, FormStateInterface $form_state, $form_id) {

  $site_api = \Drupal::config('api_key.settings')->get('site_api_key');

  $host = base_path();

  $form['site_information']['site_api_key'] = array(

    '#type' => 'textfield',

    '#title' => t('Site API Key'),

    '#default_value' => !empty($site_api) ? $site_api : t('No API key yet'),

    '#placeholder'=> t('No API key yet'),

  );

  if(!empty($site_api) && $site_api != 'No API key yet') {

  $value = t('Update Configuration');

  $path = $host . 'data/node_page/' . $site_api; 

  $form['site_information']['help'] = [

    '#type' => 'markup',

    '#markup' => '<a href="'. $path .'">'.$path . '</a>',

    '#weight' => '3',

];

  } 

 

   $form['actions']['submit']['#value'] = $value;

   $form['#validate'][] = 'my_users_form_site_information_form_validate';

   $form['#submit'][] = 'site_information_form_submit';

   return $form;

}

/**

 * Email submit callback for email_update_form.

 */

function my_users_form_site_information_form_validate(&$form, &$form_state) {

   $api_key = $form_state->getValue('site_api_key');

   $bundle = 'document';//content type name

   $query = \Drupal::entityQuery('node');

   $query->condition('status', 1);

   $query->condition('type', $bundle);

   $entity_ids = $query->execute();

   $arr2 = array("No API key yet");

   $entity_ids = array_merge($entity_ids, $arr2);

   if(!in_array($api_key, $entity_ids) && $api_key != '') {

    $form_state->setErrorByName('site_api_key', t('access denied.'));

   }

}

/**

 * submit callback for site information_form value.

 */

function site_information_form_submit(&$form, FormStateInterface &$form_state) {

// kint($form_state->getValue('site_api_key'));

// die();

$config = \Drupal::service('config.factory')->getEditable('api_key.settings');

  $config->set('site_api_key', $form_state->getValue('site_api_key'));

  $config->save();

  $message = "The Site API Key has been saved";

  drupal_set_message($message);

}

4. site_information / src / Controller / SiteController.php

namespace Drupal\site_information\Controller;

use Drupal\Core\Controller\ControllerBase;

use Drupal\node\Entity\Node;

use Symfony\Component\HttpFoundation\JsonResponse;

/**

 * Controller for export json.

 */

class SiteController extends ControllerBase {

  /**

   * {@inheritdoc}

   */

  public function data($id) {

    $json_array = array(

      'data' => array()

    );

    // print_r($id);

    // die();

    $nids = \Drupal::entityQuery('node')

    ->condition('type','document')//content type name

    ->execute();

    $nodes =  Node::loadMultiple($nids);

    foreach ($nodes as $node) {

      if($node->get('nid')->value == $id){

         $json_array['data'][] = array(

        'type' => $node->get('type')->target_id,

        'id' => $node->get('nid')->value,

        'attributes' => array(

          'title' =>  $node->get('title')->value,

          'content' => $node->get('body')->value,

        ),

      );

    }

     

    }

    return new JsonResponse($json_array);

  }

}