MultipleNidsExportForm.php in Node export 8

Namespace

Drupal\node_Export\Form

File

src/Form/MultipleNidsExportForm.php

<?php

namespace Drupal\node_Export\Form;

use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;

/**
 * Provides a Multiple Node Export form using Nids.
 */
class MultipleNidsExportForm extends FormBase {

  /**
   * {@inheritdoc}
   */
  public function getFormId() {
    return 'multiple_nids_export_form';
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $form = [];
    $form['nids'] = [
      '#type' => 'textarea',
      '#title' => 'Node Ids',
      '#cols' => 10,
      '#rows' => 10,
      '#description' => $this
        ->t('Enter the line separated node ids'),
      '#required' => TRUE,
    ];
    $form['submit'] = [
      '#type' => 'submit',
      '#value' => $this
        ->t('Export'),
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function validateForm(array &$form, FormStateInterface $form_state) {
    $nids = $form_state
      ->getValue('nids');
    $array = explode("\n", $nids);
    foreach ($array as $nid) {
      $nid = trim($nid);
      if (!filter_var($nid, FILTER_VALIDATE_INT)) {
        $form_state
          ->setErrorByName('NIDS', $this
          ->t('Please enter valid list of Node Ids. "@node_id" is not in right format', [
          '@node_id' => $nid,
        ]));
      }
    }
    if (count($array) != count(array_unique($array))) {
      $form_state
        ->setErrorByName('NIDS', $this
        ->t('You have entered same Node IDs.'));
    }
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $nid = $form_state
      ->getValue('nids');
    $nids = [];
    $nids = explode("\n", $nid);
    $batch = [
      'title' => $this
        ->t('Exporting Nodes...'),
      'operations' => [],
      'init_message' => $this
        ->t('Commencing'),
      'progress_message' => $this
        ->t('Processed @current out of @total.'),
      'error_message' => $this
        ->t('An error occurred during processing'),
      'finished' => '\\Drupal\\node_export\\NodeExport::nodeExportFinishedCallback',
    ];
    foreach ($nids as $nid) {
      $nidt = trim($nid);
      $batch['operations'][] = [
        '\\Drupal\\node_export\\NodeExport::nodeExport',
        [
          $nidt,
        ],
      ];
    }
    batch_set($batch);
    $this
      ->messenger()
      ->addStatus($this
      ->t('The File with export code has been saved in your public directory'));
  }

}

Classes

Name	Description
MultipleNidsExportForm	Provides a Multiple Node Export form using Nids.