FileController.php in Ubercart 8.4

Namespace

Drupal\uc_file\Controller

File

uc_file/src/Controller/FileController.php

<?php

namespace Drupal\uc_file\Controller;

use Drupal\Core\Controller\ControllerBase;
use Drupal\Core\Database\Connection;
use Drupal\Core\Form\FormBuilderInterface;
use Drupal\Core\Url;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Handles administrative view of files that may be purchased and downloaded.
 */
class FileController extends ControllerBase {

  /**
   * The database service.
   *
   * @var \Drupal\Core\Database\Connection
   */
  protected $database;

  /**
   * The form builder service.
   *
   * @var \Drupal\Core\Form\FormBuilderInterface
   */
  protected $formBuilder;

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('database'), $container
      ->get('form_builder'));
  }

  /**
   * Constructs a FileController object.
   *
   * @param \Drupal\Core\Database\Connection $database
   *   A database connection.
   * @param \Drupal\Core\Form\FormBuilderInterface $form_builder
   *   The form builder service.
   */
  public function __construct(Connection $database, FormBuilderInterface $form_builder) {
    $this->database = $database;
    $this->formBuilder = $form_builder;
  }

  /**
   * Displays list of all files available to attach to products.
   *
   * @return array
   *   A render array.
   */
  public function show() {
    $build['#tree'] = TRUE;
    $build['#attached']['library'][] = 'uc_file/uc_file.scripts';

    // Form that provides operations.
    $build['file_action_form'] = $this->formBuilder
      ->getForm('Drupal\\uc_file\\Form\\FileActionForm');

    // Table of files to operate on.
    $header = [
      // Fake out tableselect JavaScript into operating on our table.
      [
        'data' => '',
        'class' => [
          'select-all',
        ],
      ],
      'filename' => [
        'data' => $this
          ->t('File'),
        'field' => 'f.filename',
        'sort' => 'asc',
      ],
      'title' => [
        'data' => $this
          ->t('Product'),
        'field' => 'n.title',
      ],
      'model' => [
        'data' => $this
          ->t('SKU'),
        'field' => 'fp.model',
        'class' => [
          RESPONSIVE_PRIORITY_LOW,
        ],
      ],
    ];

    // Create pager.
    $query = $this->database
      ->select('uc_files', 'f')
      ->extend('Drupal\\Core\\Database\\Query\\PagerSelectExtender')
      ->extend('Drupal\\Core\\Database\\Query\\TableSortExtender')
      ->orderByHeader($header)
      ->limit(UC_FILE_PAGER_SIZE);
    $query
      ->leftJoin('uc_file_products', 'fp', 'f.fid = fp.fid');
    $query
      ->leftJoin('uc_product_features', 'pf', 'fp.pfid = pf.pfid');
    $query
      ->leftJoin('node_field_data', 'n', 'pf.nid = n.nid');
    $query
      ->addField('n', 'nid');
    $query
      ->addField('f', 'filename');
    $query
      ->addField('n', 'title');
    $query
      ->addField('fp', 'model');
    $query
      ->addField('f', 'fid');
    $query
      ->addField('pf', 'pfid');
    $count_query = $this->database
      ->select('uc_files');
    $count_query
      ->addExpression('COUNT(*)');
    $query
      ->setCountQuery($count_query);
    $result = $query
      ->execute();
    $options = [];
    foreach ($result as $file) {

      // All files are shown here, including files which are not attached to products.
      if (isset($file->nid)) {

        // These are attached to products.
        $options[$file->fid] = [
          'checked' => [
            'data' => [
              '#type' => 'checkbox',
              '#default_value' => 0,
            ],
          ],
          'filename' => [
            'data' => [
              '#plain_text' => $file->filename,
            ],
            'class' => is_dir(uc_file_qualify_file($file->filename)) ? [
              'uc-file-directory-view',
            ] : [],
          ],
          'title' => [
            'data' => [
              '#type' => 'link',
              '#title' => $file->title,
              '#url' => Url::fromRoute('entity.node.canonical', [
                'node' => $file->nid,
              ]),
            ],
          ],
          'model' => [
            'data' => [
              '#plain_text' => $file->model,
            ],
          ],
        ];
      }
      else {

        // These are not attached to products.
        $options[$file->fid] = [
          'checked' => [
            'data' => [
              '#type' => 'checkbox',
              '#default_value' => 0,
            ],
          ],
          'filename' => [
            'data' => [
              '#plain_text' => $file->filename,
            ],
            'class' => is_dir(uc_file_qualify_file($file->filename)) ? [
              'uc-file-directory-view',
            ] : [],
          ],
          'title' => '',
          'model' => '',
        ];
      }
    }

    // Create checkboxes for each file.
    $build['file_select'] = [
      '#type' => 'table',
      '#header' => $header,
      '#rows' => $options,
      '#empty' => $this
        ->t('No file downloads available.'),
    ];
    $build['file_select_pager'] = [
      '#type' => 'pager',
    ];
    return $build;
  }

}

Classes

Name	Description
FileController	Handles administrative view of files that may be purchased and downloaded.