like_dislike.module in Like/Dislike 8

like_dislike module file.

File

like_dislike.module

<?php

/**
 * @file
 * like_dislike module file.
 */
use Drupal\Core\Routing\RouteMatchInterface;
use Symfony\Component\HttpFoundation\RedirectResponse;

/**
 * Implements hook_help().
 */
function like_dislike_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    case 'help.page.like_dislike':
      $output = '';
      $output .= '<h3>' . t('Like/Dislike') . '</h3>';
      $output .= '<p>' . t('Add a Like and Dislike field on every entity (like content, comments etc) and Get instant statistics..') . '</p>';
      return $output;
  }
}

/**
 * Implements hook_form_user_register_form_alter().
 */
function like_dislike_form_user_register_form_alter(&$form, &$form_state) {
  $form['actions']['submit']['#submit'][] = 'like_dislike_registration_alter';
}

/**
 * Callback function for handling redirect on registration.
 */
function like_dislike_registration_alter($form, &$form_state) {
  like_dislike_redirect_to_previous_page('register');
}

/**
 * Implements hook_user_login().
 */
function like_dislike_user_login($account) {
  like_dislike_redirect_to_previous_page('');
}

/**
 * Redirect to the previous page on like/dislike.
 */
function like_dislike_redirect_to_previous_page($status) {

  // To be handled only if like/dislike module is installed.
  if (\Drupal::moduleHandler()
    ->moduleExists('like_dislike')) {
    $destination = \Drupal::request()->cookies
      ->get('Drupal_visitor_destination');
    user_cookie_save([
      'destination' => '',
    ]);
    $url = \Drupal::pathValidator()
      ->getUrlIfValid($destination);
    $url
      ->setAbsolute();
    $redirect = $url
      ->toString();
    if ($status == 'register') {
      \Drupal::messenger()
        ->addStatus('Registration completed!, kindly check your mail for further details.');
    }
    return (new RedirectResponse($redirect))
      ->send();
  }
}

/**
 * Implements hook_theme().
 */
function like_dislike_theme() {
  return array(
    'like_dislike' => array(
      'variables' => array(
        'likes' => NULL,
        'dislikes' => NULL,
        'like_url' => NULL,
        'dislike_url' => NULL,
        'entity_id' => NULL,
      ),
    ),
  );
}

Functions

Name	Description
like_dislike_form_user_register_form_alter	Implements hook_form_user_register_form_alter().
like_dislike_help	Implements hook_help().
like_dislike_redirect_to_previous_page	Redirect to the previous page on like/dislike.
like_dislike_registration_alter	Callback function for handling redirect on registration.
like_dislike_theme	Implements hook_theme().
like_dislike_user_login	Implements hook_user_login().