simple_fb_connect.install in Simple FB Connect 7.2

Install file for Simple FB Connect module. Checks requirements.

File

simple_fb_connect.install

<?php

/**
 * @file
 * Install file for Simple FB Connect module. Checks requirements.
 */

/**
 * Implements hook_requirements().
 */
function simple_fb_connect_requirements($phase) {
  $requirements = array();
  $t = get_t();
  if ($phase == 'install') {
    if (!function_exists('curl_init')) {
      $requirements['curl']['severity'] = REQUIREMENT_ERROR;
      $requirements['curl']['description'] = $t('Simple FB Connect could not be installed. The cURL library is not installed. Please check the <a href="@url">PHP cURL documentation</a> for information on how to correct this.', array(
        '@url' => 'http://www.php.net/manual/en/curl.setup.php',
      ));
    }
    if (!function_exists('json_decode')) {
      $requirements['json']['severity'] = REQUIREMENT_ERROR;
      $requirements['json']['description'] = $t('Simple FB Connect could not be installed. The JSON library is not installed. Facebook needs the JSON PHP extension.');
    }
    if (version_compare(phpversion(), '5.4.0', '<')) {
      $requirements['php_version']['title'] = $t('PHP version');
      $requirements['php_version']['value'] = check_plain(phpversion());
      $requirements['php_version']['severity'] = REQUIREMENT_ERROR;
      $requirements['php_version']['description'] = $t('Simple FB Connect could not be installed. Facebook PHP SDK v4 requires PHP 5.4 or higher.');
    }

    // Make sure that Libraries module is loaded.
    if (!function_exists('libraries_get_path')) {
      module_load_include('module', 'libraries');
    }

    // Try to check that we have version 4.0.x of the SDK library.
    // - libraries_detect does not work in the install phase so we can't easily check the exact version
    // - We check if sites/all/libraries/facebook-php-sdk-v4/README.md is found.
    $path = libraries_get_path('facebook-php-sdk-v4');
    if (!is_file($path . '/README.md')) {
      $requirements['facebook-php-sdk-v4']['severity'] = REQUIREMENT_ERROR;
      $requirements['facebook-php-sdk-v4']['description'] = $t('Simple FB Connect could not be installed. Facebook PHP SDK library version 4.0.x not found. See README.txt.');
    }
  }
  if ($phase == 'runtime') {
    $sdk = libraries_detect('facebook-php-sdk-v4');
    if (!is_array($sdk) || !$sdk['installed']) {
      $requirements['facebook-php-sdk-v4']['title'] = $t('Facebook PHP SDK v4');
      $requirements['facebook-php-sdk-v4']['value'] = $t('Not installed');
      $requirements['facebook-php-sdk-v4']['severity'] = REQUIREMENT_ERROR;
      $requirements['facebook-php-sdk-v4']['description'] = $t('Facebook PHP SDK library version 4.0.x not found. See README.txt');
    }
    elseif ($sdk['version'] < '4.0' || $sdk['version'] >= '4.1') {
      $requirements['facebook-php-sdk-v4']['title'] = $t('Facebook PHP SDK v4');
      $requirements['facebook-php-sdk-v4']['value'] = $t('Unsupported version detected');
      $requirements['facebook-php-sdk-v4']['severity'] = REQUIREMENT_ERROR;
      $requirements['facebook-php-sdk-v4']['description'] = $t('Version @version detected. See README.txt', array(
        '@version' => $sdk['version'],
      ));
    }
    else {
      $requirements['facebook-php-sdk-v4']['title'] = $t('Facebook PHP SDK v4');
      $requirements['facebook-php-sdk-v4']['value'] = $t('Version @version detected.', array(
        '@version' => $sdk['version'],
      ));
      $requirements['facebook-php-sdk-v4']['severity'] = REQUIREMENT_OK;
    }
  }
  return $requirements;
}

/**
 * Implements hook_uninstall().
 */
function simple_fb_connect_uninstall() {
  variable_del('simple_fb_connect_appid');
  variable_del('simple_fb_connect_skey');
  variable_del('simple_fb_connect_api_version');
  variable_del('simple_fb_connect_oauth_redirect_url');
  variable_del('simple_fb_connect_app_domains');
  variable_del('simple_fb_connect_site_url');
  variable_del('simple_fb_connect_post_login_url');
  variable_del('simple_fb_connect_redirect_user_form');
  variable_del('simple_fb_connect_login_only');
  variable_del('simple_fb_connect_disable_admin_login');
  variable_del('simple_fb_connect_disabled_roles');
  variable_del('simple_fb_connect_logout_action');
}

/**
 * Implements hook_enable().
 */
function simple_fb_connect_enable() {
  drupal_set_message(t('Simple FB Connect enabled. <a href="@path">Check module settings</a>.', array(
    '@path' => url('admin/config/people/simple-fb-connect'),
  )));
}

/**
 * Updates disabled roles setting to use label as identifier rather than role id.
 *
 * This is to make the configuration transferable between environments using
 * Features. See https://www.drupal.org/node/2653060
 */
function simple_fb_connect_update_7001() {
  $roles = variable_get('simple_fb_connect_disabled_roles', array());
  $updated_roles = array();
  foreach ($roles as $rid => $value) {
    $role = user_role_load($rid);
    if (!$role || empty($value)) {
      continue;
    }
    $updated_roles[$role->name] = $role->name;
  }
  variable_set('simple_fb_connect_disabled_roles', $updated_roles);
}

/**
 * Sets Facebook API version to v2.3 in module settings.
 *
 * See https://www.drupal.org/node/2843364
 */
function simple_fb_connect_update_7201() {
  variable_set('simple_fb_connect_api_version', 'v2.3');
}

Functions

Name	Description
simple_fb_connect_enable	Implements hook_enable().
simple_fb_connect_requirements	Implements hook_requirements().
simple_fb_connect_uninstall	Implements hook_uninstall().
simple_fb_connect_update_7001	Updates disabled roles setting to use label as identifier rather than role id.
simple_fb_connect_update_7201	Sets Facebook API version to v2.3 in module settings.