ContentExportForm.php in Content Export CSV 8

Namespace

Drupal\content_export_csv\Form

File

src/Form/ContentExportForm.php

<?php

namespace Drupal\content_export_csv\Form;

use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\content_export_csv\Controller\ContentExportController;
use Drupal\Core\StreamWrapper\PrivateStream;
use Drupal\Core\StreamWrapper\PublicStream;
class ContentExportForm extends FormBase {

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

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $export_object = new ContentExportController();
    $form['content_type_list'] = [
      '#title' => $this
        ->t('Content Type'),
      '#type' => 'select',
      '#options' => $export_object
        ->getContentType(),
    ];
    $form['export'] = [
      '#value' => 'Export',
      '#type' => 'submit',
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    global $base_url;
    $export_object = new ContentExportController();
    $nodeType = $form_state
      ->getValue('content_type_list');
    $csvData = $export_object
      ->getNodeCsvData($nodeType);
    $private_path = PrivateStream::basepath();
    $public_path = PublicStream::basepath();
    $file_base = $private_path ? $private_path : $public_path;
    $filename = 'content_export' . time() . '.csv';
    $filepath = $file_base . '/' . $filename;
    $csvFile = fopen($filepath, "w");
    $fieldNames = implode(',', $export_object
      ->getValidFieldList($nodeType));
    fwrite($csvFile, $fieldNames . "\n");
    foreach ($csvData as $csvDataRow) {
      fwrite($csvFile, $csvDataRow . "\n");
    }
    fclose($csvFile);
    header('Content-Type: text/csv');
    header('Content-Disposition: attachment; filename="' . basename($filepath) . '";');
    header('Content-Length: ' . filesize($filepath));
    readfile($filepath);
    unlink($filepath);
    exit;
  }

}

Classes

Name	Description
ContentExportForm