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Drupal example source code file (rules.events.inc)

This example Drupal source code file (rules.events.inc) is included in the DevDaily.com "Drupal Source Code Warehouse" project. The intent of this project is to help you "Learn Drupal by Example".

PHP - Drupal tags/keywords

account, account_unchanged, array, comment, file, function, if, in_array, insert, op, php, role_id, update, view

The rules.events.inc Drupal example source code

<?php
// $Id: rules.events.inc,v 1.1.2.14 2010/07/27 11:09:27 fago Exp $


/**
 * @file Invokes events for supported modules. Usually this should be
 *   directly in the module providing rules integration instead.
 *
 * @addtogroup rules
 * @{
 */

/**
 * Implementation of hook_nodeapi().
 */
function rules_nodeapi(&$node, $op, $teaser = NULL, $page = NULL) {

  if (in_array($op, array('view', 'insert', 'update', 'presave', 'delete'))) {
    // We pass the node by reference so that changes are saved automatically on op submit
    $arguments = ($op == 'view') ? array('node' => &$node, 'teaser' => $teaser, 'page' => $page) : array('node' => &$node);
    rules_invoke_event('node_'. $op, $arguments);
  }
}

/**
 * Implementation of hook_user().
 */
function rules_user($op, &$edit, &$account, $category = NULL) {
  static $account_unchanged;

  // We don't support updates for other categories than 'account'
  if ($op == 'update' && $category == 'account') {
    // Save the unchanged account for the use with op after_update.
    $account_unchanged = drupal_clone($account);
  }
  else if ($op == 'after_update' && $category == 'account') {
    rules_invoke_event('user_update', array('account' => &$account, 'account_unchanged' => $account_unchanged));
  }
  else if (in_array($op, array('insert', 'login', 'logout', 'view', 'delete'))) {
    // At user creation add the assigned roles which are not available in
    // $account yet to $account, so rules is aware of them.
    if ($op == 'insert' && isset($edit['roles'])) {
      $system_roles = user_roles();
      foreach ($edit['roles'] as $role_id => $value) {
        if (isset($system_roles[$role_id])) {
          $account->roles[$role_id] = $system_roles[$role_id];
        }
      }
    }

    rules_invoke_event('user_'. $op, array('account' => &$account));

    // Allow adding user roles during registration.
    if ($op == 'insert' && isset($account->roles)) {
      $edit += array('roles' => array());
      $edit['roles'] += $account->roles;
    }
  }
}

/**
 * Implementation of hook_init().
 */
function rules_init() {
  rules_invoke_event('init');
}

/**
 * Implementation of hook_cron().
 */
function rules_cron() {
  rules_invoke_event('cron');
}

/**
 * Implementation of hook_comment().
 */
function rules_comment($comment, $op) {
  if (in_array($op, array('insert', 'update', 'delete', 'view', 'publish', 'unpublish'))) {
    if (is_array($comment)) {
      $comment = (object)$comment;
    }
    rules_invoke_event('comment_'. $op, $comment);
  }
}

/**
 * Implementation of hook_taxonomy().
 */
function rules_taxonomy($op, $type, $array) {
  if ($type == 'term' && in_array($op, array('insert', 'update'))) {
    $taxonomy_object = (object) $array;
    rules_invoke_event('taxonomy_term_'. $op, $taxonomy_object);
  }
}

/**
 * Implementation of hook_theme_registry_alter().
 *
 * We need to use the alter hook here, so we can make sure we are the first prepross
 * handler called. So drupal messages aren't consumed before the redirect is initiated.
 *
 * @see _rules_action_drupal_goto_handler()
 */
function rules_theme_registry_alter(&$items) {
  array_unshift($items['page']['preprocess functions'], '_rules_action_drupal_goto_handler');
}

/**
 * @}
 */

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