function flag_lists_generate_lists_form_submit in Flag Lists 7

Same name and namespace in other branches

1. 6 flag_lists.admin.inc \flag_lists_generate_lists_form_submit()
2. 7.3 flag_lists.admin.inc \flag_lists_generate_lists_form_submit()

Submit handler for flag_lists_generate_lists_form.

File

./flag_lists.admin.inc, line 487

Contains administrative pages for creating, editing, and deleting flag lists.

Code

function flag_lists_generate_lists_form_submit($form, &$form_state) {
  global $user;
  module_load_include('inc', 'devel_generate');

  // Delete listings.
  if ($form_state['values']['kill_listings']) {
    $flags = flag_lists_get_flags();
    foreach ($flags as $flag) {
      $result = db_select('flag_lists_content', 'f')
        ->fields('f', array(
        'fcid',
        'content_id',
      ))
        ->condition('fid', $flag->fid)
        ->execute();
      foreach ($result as $row) {
        db_delete('flag_lists_content')
          ->condition('fid', $flag->fid)
          ->execute();
        db_delete('flag_lists_counts')
          ->condition('fid', $flag->fid)
          ->execute();
        module_invoke_all('flag', 'unflag', $flag, $row->content_id, $account, $row->fcid);
      }
    }
    drupal_set_message(t('All listings were deleted.'));
  }

  // Delete lists and listings.
  if ($form_state['values']['kill_lists']) {

    // If we loaded all flags above, don't reload them here.
    if (!count($flags)) {
      $flags = flag_lists_get_flags();
    }
    foreach ($flags as $flag) {
      flag_lists_fl_delete($flag, $user);
    }
    drupal_set_message(t('All lists and their listings were deleted.'));
  }
  $templates = array_filter($form_state['values']['templates']);
  $uids = array_filter(devel_get_users());

  // Don't use the anon user.
  // Generate lists.
  if ($form_state['values']['lists'] && count($templates)) {
    for ($i = 1; $i <= $form_state['values']['lists']; $i++) {
      $template = flag_get_flag(NULL, array_rand($templates));
      $account->uid = $uids[array_rand($uids)];
      $edit['values']['title'] = devel_create_greeking(7, TRUE);
      $edit['values']['type'] = $template->types[array_rand($template->types)];
      $form = array();
      flag_lists_form_submit($form, $edit, $account);
    }
    drupal_set_message(t('@lists created.', array(
      '@lists' => format_plural($form_state['values']['lists'], '1 list', '@count lists'),
    )));
  }

  // Generate listings.
  if ($form_state['values']['listings']) {
    $count = 0;
    for ($i = 1; $i <= $form_state['values']['listings']; $i++) {
      $account->uid = $uids[array_rand($uids)];
      $lists = flag_lists_get_user_flags(NULL, $account);

      // Remove any lists that don't use the chosen templates.
      foreach ($lists as $key => $list) {
        if (!isset($templates[$list->pfid])) {
          unset($lists[$key]);
        }
      }

      // Ensure user has lists.
      if (!count($lists)) {
        continue;
      }
      $list = $lists[array_rand($lists)];
      $content_type = $list->types[array_rand($list->types)];

      // We get the random nid with 2 SELECTS to avoid slow ORDER BY Rand().
      // Get max nid for our content type.
      $query = db_select('node')
        ->condition('type', $content_type);
      $query
        ->addExpression('MAX(nid)', 'max');
      $max_nid = $query
        ->execute()
        ->fetchField();

      // Ensure a node exists for the type.
      if (!$max_nid) {
        continue;
      }
      $r = rand(1, $max_nid);
      $content_id = db_select('node', 'n')
        ->fields('n', array(
        'nid',
      ))
        ->condition('type', $content_type)
        ->condition('nid', $r)
        ->range(0, 1)
        ->execute()
        ->fetchField();

      // We can't assume that every attempt will result in a listing because
      // we may have a node type with no nodes yet or a user with no lists.
      // Also, if a listing already exists, we count it, but it can only be in
      // the db once.
      if (flag_lists_do_flag($list, 'flag', $content_id, $account, TRUE)) {
        $count++;
      }
    }
    drupal_set_message(t('@listings listed.', array(
      '@listings' => format_plural($count, '1 node', '@count nodes'),
    )));
    if ($count < $form_state['values']['listings']) {
      drupal_set_message(t('Listings are generated randomly. Occassionally a listing will not be created if the random user has no lists or if the node type to be listed has no nodes.'));
    }
  }
}