function ip_ban_disabled_blocks_validate in IP Ban 8

Same name and namespace in other branches

1. 7 ip_ban.admin.inc \ip_ban_disabled_blocks_validate()

Determine if blocks entered are valid and formatted correctly.

2 string references to 'ip_ban_disabled_blocks_validate'

IpBanAdmin::buildForm in src/IpBanAdmin.php

ip_ban_admin in ./ip_ban.admin.inc

Ip_ban admin form.

File

./ip_ban.admin.inc, line 186

Administration functions for the IP Ban module.

Code

function ip_ban_disabled_blocks_validate($form, &$form_state) {
  $disabled_blocks = Html::escape($form_state['values']['ip_ban_disabled_blocks']);
  if (!empty($disabled_blocks)) {
    $disabled_block_array = explode(PHP_EOL, $disabled_blocks);
    foreach ($disabled_block_array as $disabled_block) {

      // First determine if the user entered two strings separated by a space.
      $module_and_delta = explode(',', trim($disabled_block));
      if (count($module_and_delta) != 2) {
        form_set_error('ip_ban_disabled_blocks', t('You have one or more blocks with an incorrect format; you must enter exactly one module name and delta name per line, separated by a comma.'));
      }
      else {
        $module = trim($module_and_delta[0]);
        $delta = trim($module_and_delta[1]);

        // Second determine if the block entered is a valid block.
        $disabled_block = \Drupal::database()
          ->query('SELECT * FROM {block} WHERE module = :module AND delta = :delta', array(
          ':module' => $module,
          ':delta' => $delta,
        ))
          ->fetchAll();
        if (empty($disabled_block)) {
          form_set_error('ip_ban_disabled_blocks', t('You entered at least one invalid module name or delta; see the help text for how to enter the proper module name and delta.'));
        }

        // Todo: add check for block enabled status for enabled themes. If block
        // disabled for all enabled themes (including admin theme), set form
        // error.
      }
    }
  }
}