usersnap.module

<?php

/**
 * @file
 * Integrates the Usersnap Web Feedback Tool into Drupal.
 */
define('USERSNAP_VISIBILITY_NOTLISTED', 0);
define('USERSNAP_VISIBILITY_LISTED', 1);

/**
 * Implements hook_menu().
 */
function usersnap_menu() {
  $items = array();
  $items['admin/config/services/usersnap'] = array(
    'title' => 'Usersnap Settings',
    'description' => 'Enter yout Usersnap API Key to use the Web Feedback Service',
    'route_name' => 'usersnap.settings',
  );

  return $items;
}

function usersnap_page_attachments_alter(&$page) {

  $config = \Drupal::config('usersnap.admin_settings');
  // @see block_block_list_alter()
  $visibility = $config->get('usersnap_visibility') ? $config->get('usersnap_visibility') : USERSNAP_VISIBILITY_NOTLISTED;
  $paths = $config->get('usersnap_paths') ? $config->get('usersnap_paths') : '';
  $paths = strtolower($paths);
  $current_path = \Drupal::service('path.current')->getPath();
  $path = \Drupal::service('path.alias_manager')->getAliasByPath($current_path);
  $path = trim($path, '/');
  $page_match = \Drupal::service('path.matcher')->matchPath($path, $paths);
  if (isset($_GET['q']) && $path != $_GET['q']) {
    $page_match = $page_match || \Drupal::service('path.matcher')->matchPath($_GET['q'], $paths);
  }
  $show_on_this_page = !($visibility xor $page_match);
  if (\Drupal::currentUser()->hasPermission('usersnap') && $show_on_this_page) {
    $usersnap_settings = usersnap_get_settings();
    $page['#attached']['drupalSettings'] = $usersnap_settings;
    $page['#attached']['library'][] = 'usersnap/usersnap';
  }
}

/**
 * Helper function to return usersnap widget to the current page.
 */
function usersnap_get_settings() {

  $config = \Drupal::config('usersnap.admin_settings');
  $apikey = $config->get('usersnap_apikey') ? $config->get('usersnap_apikey') : '';
  $position = explode('_', $config->get('usersnap_position') ? $config->get('usersnap_position') : 'bottom_right');
  $language = $config->get('usersnap_language') ? $config->get('usersnap_language') : 'en';
  $button_text = $config->get('usersnap_button_text') ? $config->get('usersnap_button_text') : 'Feedback';
  $show_cbox = $config->get('usersnap_show_comment_box') ? $config->get('usersnap_show_comment_box') : FALSE;
  $cbox_placeholder = $config->get('usersnap_comment_box_placeholder') ? $config->get('usersnap_comment_box_placeholder') : '';
  $cbox_required = $config->get('usersnap_comment_box_required') ? $config->get('usersnap_comment_box_required') : FALSE;
  $show_email = $config->get('usersnap_show_email_field') ? $config->get('usersnap_show_email_field') : FALSE;
  $email_placeholder = $config->get('usersnap_email_field_placeholder') ? $config->get('usersnap_email_field_placeholder') : '';
  $email_required = $config->get('usersnap_email_field_required') ? $config->get('usersnap_email_field_required') : FALSE;

  $settings_object = array(
    'usersnap' => array(
      'apikey' => $apikey,
      'language' => $language,
      'button' => $button_text,
      'valign' => $position[0],
      'halign' => $position[1],
      'cbox' => (bool) $show_cbox,
      'crequired' => (bool) $cbox_required,
      'email' => (bool) $show_email,
      'erequired' => (bool) $email_required,
    ),
  );

  // If a comment box placeholder text is configured, add it.
  if (!empty($cbox_placeholder)) {
    $settings_object['usersnap']['cplaceholder'] = $cbox_placeholder;
  }

  // If an email placeholder text is configured, add it.
  if (!empty($email_placeholder)) {
    $settings_object['usersnap']['eplaceholder'] = $email_placeholder;
  }
  return $settings_object;
}

/**
 * Helper function to return Usersnap supported languages and language codes.
 *
 * @see https://usersnap.com/docs#language
 */
function usersnap_supported_languages() {
  return array(
    'en' => t('English'),
    'de-informal' => t('German (informal)'),
    'de-formal' => t('German (formal)'),
    'fr' => t('French'),
    'es' => t('Spanish'),
    'pl' => t('Polish'),
    'fa' => t('Farsi'),
    'is' => t('Icelandic'),
    'jp' => t('Japanese'),
    'it' => t('Italian'),
    'hu' => t('Hungarian'),
    'ko' => t('Korean'),
    'cz' => t('Czech'),
    'da' => t('Danish'),
    'no' => t('Norwegian'),
    'sk' => t('Slovakian'),
    'nl' => t('Dutch'),
    'sv' => t('Swedish'),
    'pt' => t('Portuguese'),
    'fi' => t('Finnish'),
    'ru' => t('Russian'),
    'tr' => t('Turkish'),
  );
}