<?php

/**
 * @file
 * The module file
 *
 * This module makes it possible to remove information in the flood table
 */

/**
 * Implements hook_menu().
 */
function flood_unblock_menu() {
  $items['admin/config/system/flood-unblock'] = array(
    'title'            => 'Flood unblock',
    'description'      => 'List all user blocked by the flood table.',
    'page callback'    => 'drupal_get_form',
    'page arguments'   => array('flood_unblock_settings'),
    'access arguments' => array('access flood unblock'),
    'file' => 'flood_unblock.admin.inc',
  );

  return $items;
}

/**
 * Implements hook_permission().
 */
function flood_unblock_permission() {
  return array(
    'access flood unblock' => array(
      'title' => t('Access the flood unblock module'),
    ),
  );
}

/**
 * The function that clear the flood.
 */
function flood_unblock_clear_event($type, $identifier) {
  $txn = db_transaction();
  try {
    $query = db_delete('flood')->condition('event', $type);
    if (isset($identifier)) {
      $query->condition('identifier', $identifier);
    }
    $success = $query->execute();
    if ($success) {
      drupal_set_message(t('Flood entries cleared.'), 'status', FALSE);
    }
  }
  catch (Exception $e) {
    // Something went wrong somewhere, so roll back now.
    $txn->rollback();
    // Log the exception to watchdog.
    watchdog_exception('type', $e);
    drupal_set_message("Error: " . $e, 'error');
  }
}