apply_for_role_application_admin_page.php in Apply for role 8

Namespace

Drupal\apply_for_role\Controller

File

src/Controller/apply_for_role_application_admin_page.php

<?php

/**
 * @FILE:
 *
 * Create the application administration page.
 */
namespace Drupal\apply_for_role\Controller;

use Drupal\apply_for_role\application_manager;
use Drupal\Core\Controller\ControllerBase;
use Drupal\Core\Database\Database;
use Drupal\Component\Serialization;
use Drupal\Core\Url;
use Drupal\Core\Link;
class apply_for_role_application_admin_page extends ControllerBase {
  private $application_manager;
  private $applications_per_page;

  /**
   * Constructor, loads application manager and amount of applications per page is set here.
   */
  public function __construct() {
    $this->application_manager = new application_manager();
    $this->applications_per_page = 20;
  }

  /**
   * Content, renders table of applications, paged.
   */
  public function content() {
    $table_header = array(
      $this
        ->t('Application id'),
      $this
        ->t('User Name (UID)'),
      $this
        ->t('Roles'),
      $this
        ->t('Status'),
      $this
        ->t('Created'),
      $this
        ->t('Message'),
      $this
        ->t('Operations'),
    );
    $pager_number = \Drupal::request()->query
      ->getInt('page');
    $total_application_count = Database::getConnection()
      ->select('apply_for_role_applications', 'a')
      ->countQuery()
      ->execute()
      ->fetchField();
    $results = Database::getConnection()
      ->select('apply_for_role_applications', 'a')
      ->fields('a')
      ->orderBy('aid', 'DESC')
      ->range($pager_number * 20, 20)
      ->execute();
    $page = pager_default_initialize($total_application_count, $this->applications_per_page);
    $table_render = array(
      'table' => array(
        '#type' => 'table',
        '#header' => $table_header,
        '#empty' => $this
          ->t('Currently there are no applications available for review.'),
      ),
      'page' => array(
        '#type' => 'pager',
      ),
    );
    while ($result_row = $results
      ->fetchAssoc()) {
      $table_render['table'][$result_row['aid']] = array(
        'aid' => array(
          '#plain_text' => $result_row['aid'],
        ),
        'uid' => array(
          '#plain_text' => $this
            ->display_username($result_row['uid']),
        ),
        'rids' => array(
          '#plain_text' => $this->application_manager
            ->rids_to_text(Serialization\Json::decode($result_row['rids'])),
        ),
        'status' => array(
          '#plain_text' => $this
            ->display_status($result_row['status']),
        ),
        'created' => array(
          '#plain_text' => $result_row['created'],
        ),
        'message' => array(
          '#plain_text' => $result_row['message'],
        ),
        'operations' => array(
          '#markup' => $this
            ->generate_operations_links($result_row['aid'], $result_row['status']),
        ),
      );
    }
    return $table_render;
  }

  /**
   * Display a presentable username.
   */
  protected function display_username($uid) {
    $account = \Drupal\user\Entity\User::load($uid);
    return $account
      ->getDisplayName() . ' (' . $uid . ')';
  }

  /**
   * Helper function to display a clean text representation of a status.
   */
  protected function display_status($status) {
    switch ($status) {
      case 0:
        return 'Needs Review';
        break;
      case 1:
        return 'Accepted';
        break;
      case 2:
        return 'Denied';
        break;
      default:

        // @TODO: Add error handling here if desired.
        return FALSE;
    }
  }

  /**
   * Helper function that returns operations links based on AID and status.
   */
  protected function generate_operations_links($aid, $status) {
    if ($status == 0) {
      $approval_url = Url::fromRoute('apply_for_role.application_approve', array(
        'action' => 'approve',
        'aid' => intval($aid),
      ));
      $denial_url = Url::fromRoute('apply_for_role.application_deny', array(
        'action' => 'deny',
        'aid' => intval($aid),
      ));
      $approval_link = Link::fromTextAndUrl($this
        ->t('Approve Application'), $approval_url);
      $denial_link = Link::fromTextAndUrl($this
        ->t('Deny Application'), $denial_url);
      $approval_link_rendered = $approval_link
        ->toRenderable();
      $denial_link_rendered = $denial_link
        ->toRenderable();
      return render($approval_link_rendered) . ' | ' . render($denial_link_rendered);
    }
    else {
      return '';
    }
  }

}

Classes

Name	Description
apply_for_role_application_admin_page