google_cse_alt.install

<?php
/**
 * @file
 * Installation functions.
 */


/**
 * Implements hook_install().
 */
function google_cse_alt_install() {
  if (module_exists('search')) {
    $config = config('search.settings');
    $active_modules = $config->get('search_active_modules');
    $active_modules[] = 'google_cse_alt';
    $config->set('search_active_modules', $active_modules);
    $config->set('google_cse_alt_domain', 'www.google.com');
    $config->set('google_cse_alt_num_blocks', 0);
    $config->save();
  }
}


/**
 * Implements hook_update_last_removed().
 */
// function google_cse_alt_update_last_removed() {
//   return 7202;
// }


/**
 * Implements hook_update_dependencies().
 *
 * Make sure Search module has already created the config files before running
 * update 1000 so that we can read and write config variables if needed.
 *
 * @see search_update_1000().
 */
function google_cse_alt_update_dependencies() {
  if (module_exists('search')) {
    $dependencies['google_cse_alt'][1000] = array(
      'search' => 1000,
    );
  }
}


/**
 * Convert Google CSE variables to config settings.
 */
function google_cse_alt_update_1000() {
  // If Search model exists, search_update_1000 has already converted its own
  // variables to config, but we need to convert CSE variables anyhow.
  $config_name = module_exists('search') ? 'search.settings' : 'google_cse_alt.settings';
  $config = config($config_name);
  $config->set('google_cse_alt_domain', update_variable_get('google_cse_domain', 'www.google.com'));
  update_variable_del('google_cse_domain');

  $num_blocks = update_variable_get('google_cse_num_blocks', 0);
  $config->set('google_cse_alt_num_blocks', $num_blocks);
  update_variable_del('google_cse_num_blocks');

  for ($id = 1; $id <= $num_blocks; $id++) {
    foreach (_google_cse_alt_vars() as $var) {
      $var_name = "google_cse_alt_{$var}_{$id}";
      $config->set($var_name, update_variable_get($var_name, ''));
      $del_var_name = "google_cse_{$var}_{$id}";
      update_variable_del($del_var_name);
    }
  }
  $config->save();
}


/**
 * Implements hook_uninstall().
 */
function google_cse_alt_uninstall() {
  if (module_exists('search')) {
    $config = config('search.settings');

    // Delete Google CSE from the list of active search modules.
    $active_modules = $config->get('search_active_modules');
    if (in_array('google_cse_alt', $active_modules)) {
      $active_modules = array_diff($active_modules, ['google_cse_alt'] );
      $config->set('search_active_modules', $active_modules);
    }
    // Clear the active search module if it was us. (User will need to set it to
    // something else.)
    if ($config->get('search_default_module') == 'google_cse_alt') {
      $config->set('search_default_module', '');
    }
    // We'll also need to explicitly delete all of our own settings from the
    // Search config.
    $num_blocks = intval($config->get('google_cse_alt_num_blocks'));
    $config->clear('google_cse_alt_num_blocks');
    $config->clear('google_cse_alt_domain');
    for ($id = 1; $id <= $num_blocks; $id++) {
      foreach (_google_cse_alt_vars() as $var) {
        $var_name = "google_cse_alt_{$var}_{$id}";
        $config->clear($var_name);
      }
    }
    $config->save();
  }
}


/**
 * Return a list of all id-specific settings variables.
 */
function _google_cse_alt_vars() {
  return array(
    'name',
    'cx',
    'show_watermark',
    'placeholder',
    'glyph',
    'results_tab',
    'results_searchbox_title',
    'results_searchbox_width',
    'results_width',
    'cof_here',
    'cof_google',
    'results_prefix',
    'results_suffix',
    'results_display',
    'results_display_images',
    'tag_attributes',
    'custom_css',
    'custom_results_display',
  );
}