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Current Path : /hermes/bosweb01/b744/petrogas.gm/schools/stp/drupal-7.69/modules/trigger/
Linux boscustweb5006.eigbox.net 5.4.91 #1 SMP Wed Jan 20 18:10:28 EST 2021 x86_64
Current File : //hermes/bosweb01/b744/petrogas.gm/schools/stp/drupal-7.69/modules/trigger/trigger.module
<?php

/**
 * @file
 * Enables functions to be stored and executed at a later time.
 */

/**
 * Implements hook_help().
 */
function trigger_help($path, $arg) {
  // Generate help text for admin/structure/trigger/(module) tabs.
  $matches = array();
  if (preg_match('|^admin/structure/trigger/(.*)$|', $path, $matches)) {
    $explanation = '<p>' . t('Triggers are events on your site, such as new content being added or a user logging in. The Trigger module associates these triggers with actions (functional tasks), such as unpublishing content containing certain keywords or e-mailing an administrator. The <a href="@url">Actions settings page</a> contains a list of existing actions and provides the ability to create and configure advanced actions (actions requiring configuration, such as an e-mail address or a list of banned words).', array('@url' => url('admin/config/system/actions'))) . '</p>';

    $module = $matches[1];
    $trigger_info = _trigger_tab_information();
    if (!empty($trigger_info[$module])) {
      $explanation .= '<p>' . t('There is a tab on this page for each module that defines triggers. On this tab you can assign actions to run when triggers from the <a href="@module-help">@module-name module</a> happen.', array('@module-help' => url('admin/help/' . $module), '@module-name' => $trigger_info[$module])) . '</p>';
    }

    return $explanation;
  }

  if ($path == 'admin/help#trigger') {
    $output = '';
    $output .= '<h3>' . t('About') . '</h3>';
    $output .= '<p>' . t('The Trigger module provides the ability to cause <em>actions</em> to run when certain <em>triggers</em> take place on your site. Triggers are events, such as new content being added to your site or a user logging in, and actions are tasks, such as unpublishing content or e-mailing an administrator. For more information, see the online handbook entry for <a href="@trigger">Trigger module</a>.', array('@trigger' => 'http://drupal.org/documentation/modules/trigger/')) . '</p>';
    $output .= '<h3>' . t('Uses') . '</h3>';
    $output .= '<dl>';
    $output .= '<dt>' . t('Configuring triggers and actions') . '</dt>';
    $output .= '<dd>' . t('The combination of actions and triggers can perform many useful tasks, such as e-mailing an administrator if a user account is deleted, or automatically unpublishing comments that contain certain words. To set up a trigger/action combination, first visit the <a href="@actions-page">Actions configuration page</a>, where you can either verify that the action you want is already listed, or create a new <em>advanced</em> action. You will need to set up an advanced action if there are configuration options in your trigger/action combination, such as specifying an e-mail address or a list of banned words. After configuring or verifying your action, visit the <a href="@triggers-page">Triggers configuration page</a> and choose the appropriate tab (Comment, Taxonomy, etc.), where you can assign the action to run when the trigger event occurs.', array('@triggers-page' => url('admin/structure/trigger'), '@actions-page' => url('admin/config/system/actions'))) . '</dd>';
    $output .= '</dl>';
    return $output;
  }
}

/**
 * Implements hook_menu().
 */
function trigger_menu() {
  $items['admin/structure/trigger'] = array(
    'title' => 'Triggers',
    'description' => 'Configure when to execute actions.',
    'page callback' => 'trigger_assign',
    'access arguments' => array('administer actions'),
    'file' => 'trigger.admin.inc',
  );

  $trigger_info = _trigger_tab_information();
  foreach ($trigger_info as $module => $module_name) {
    $items["admin/structure/trigger/$module"] = array(
      'title' => $module_name,
      'page callback' => 'trigger_assign',
      'page arguments' => array($module),
      'access arguments' => array('administer actions'),
      'type' => MENU_LOCAL_TASK,
      'file' => 'trigger.admin.inc',
    );
  }

  $items['admin/structure/trigger/unassign'] = array(
    'title' => 'Unassign',
    'description' => 'Unassign an action from a trigger.',
    'page callback' => 'drupal_get_form',
    'page arguments' => array('trigger_unassign'),
    // Only accessible if there are any actions that can be unassigned.
    'access callback' => 'trigger_menu_unassign_access',
    // Only output in the breadcrumb, not in menu trees.
    'type' => MENU_VISIBLE_IN_BREADCRUMB,
    'file' => 'trigger.admin.inc',
  );

  return $items;
}

/**
 * Access callback: Determines if triggers can be unassigned.
 *
 * @return bool
 *   TRUE if there are triggers that the user can unassign, FALSE otherwise.
 *
 * @see trigger_menu()
 */
function trigger_menu_unassign_access() {
  if (!user_access('administer actions')) {
    return FALSE;
  }
  $count = db_select('trigger_assignments')
    ->countQuery()
    ->execute()
    ->fetchField();
  return $count > 0;
}

/**
 * Implements hook_trigger_info().
 *
 * Defines all the triggers that this module implements triggers for.
 */
function trigger_trigger_info() {
   return array(
     'node' => array(
       'node_presave' => array(
         'label' => t('When either saving new content or updating existing content'),
       ),
       'node_insert' => array(
         'label' => t('After saving new content'),
       ),
       'node_update' => array(
         'label' => t('After saving updated content'),
       ),
       'node_delete' => array(
         'label' => t('After deleting content'),
       ),
       'node_view' => array(
         'label' => t('When content is viewed by an authenticated user'),
       ),
     ),
     'comment' => array(
       'comment_presave' => array(
         'label' => t('When either saving a new comment or updating an existing comment'),
       ),
       'comment_insert' => array(
         'label' => t('After saving a new comment'),
       ),
       'comment_update' => array(
         'label' => t('After saving an updated comment'),
       ),
       'comment_delete' => array(
         'label' => t('After deleting a comment'),
       ),
       'comment_view' => array(
         'label' => t('When a comment is being viewed by an authenticated user'),
       ),
     ),
     'taxonomy' => array(
       'taxonomy_term_insert' => array(
         'label' => t('After saving a new term to the database'),
       ),
       'taxonomy_term_update' => array(
         'label' => t('After saving an updated term to the database'),
       ),
       'taxonomy_term_delete' => array(
         'label' => t('After deleting a term'),
       ),
     ),
     'system' => array(
       'cron' => array(
         'label' => t('When cron runs'),
       ),
     ),
     'user' => array(
       'user_insert' => array(
         'label' => t('After creating a new user account'),
       ),
       'user_update' => array(
         'label' => t('After updating a user account'),
       ),
       'user_delete' => array(
         'label' => t('After a user has been deleted'),
       ),
       'user_login' => array(
         'label' => t('After a user has logged in'),
       ),
       'user_logout' => array(
         'label' => t('After a user has logged out'),
       ),
       'user_view' => array(
         'label' => t("When a user's profile is being viewed"),
       ),
     ),
   );
 }

/**
 * Gets the action IDs of actions to be executed for a hook.
 *
 * @param $hook
 *   The name of the hook being fired.
 *
 * @return
 *   An array whose keys are action IDs that the user has associated with
 *   this trigger, and whose values are arrays containing the action type and
 *   label.
 */
function trigger_get_assigned_actions($hook) {
  $actions = &drupal_static(__FUNCTION__, array());
  if (!isset($actions[$hook])) {
    $actions[$hook] = db_query("SELECT ta.aid, a.type, a.label FROM {trigger_assignments} ta LEFT JOIN {actions} a ON ta.aid = a.aid WHERE ta.hook = :hook ORDER BY ta.weight", array(
      ':hook' => $hook,
    ))->fetchAllAssoc('aid', PDO::FETCH_ASSOC);
  }
  return $actions[$hook];
}

/**
 * Implements hook_theme().
 */
function trigger_theme() {
  return array(
    'trigger_display' => array(
      'render element' => 'element',
      'file' => 'trigger.admin.inc',
    ),
  );
}

/**
 * Implements hook_forms().
 *
 * We re-use code by using the same assignment form definition for each hook.
 */
function trigger_forms() {
  $trigger_info = _trigger_get_all_info();
  $forms = array();
  foreach ($trigger_info as $module => $hooks) {
    foreach ($hooks as $hook => $description) {
      $forms['trigger_' . $hook . '_assign_form'] = array('callback' => 'trigger_assign_form');
    }
  }

  return $forms;
}

/**
 * Loads associated objects for node triggers.
 *
 * When an action is called in a context that does not match its type, the
 * object that the action expects must be retrieved. For example, when an action
 * that works on users is called during a node hook implementation, the user
 * object is not available since the node hook call doesn't pass it. So here we
 * load the object the action expects.
 *
 * @param $type
 *   The type of action that is about to be called.
 * @param $node
 *   The node that was passed via the node hook.
 *
 * @return
 *   The object expected by the action that is about to be called.
 */
function _trigger_normalize_node_context($type, $node) {
  // Note that comment-type actions are not supported in node contexts,
  // because we wouldn't know which comment to choose.
  switch ($type) {
    // An action that works on users is being called in a node context.
    // Load the user object of the node's author.
    case 'user':
      return user_load($node->uid);
  }
}

/**
 * Calls action functions for node triggers.
 *
 * @param $node
 *   Node object.
 * @param $hook
 *   Hook to trigger.
 * @param $a3
 *   Additional argument to action function.
 * @param $a4
 *   Additional argument to action function.
 */
function _trigger_node($node, $hook, $a3 = NULL, $a4 = NULL) {
  // Keep objects for reuse so that changes actions make to objects can persist.
  static $objects;
  // Prevent recursion by tracking which operations have already been called.
  static $recursion;

  $aids = trigger_get_assigned_actions($hook);
  if (!$aids) {
    return;
  }

  if (isset($recursion[$hook])) {
    return;
  }
  $recursion[$hook] = TRUE;

  $context = array(
    'group' => 'node',
    'hook' => $hook,
  );

  // We need to get the expected object if the action's type is not 'node'.
  // We keep the object in $objects so we can reuse it if we have multiple actions
  // that make changes to an object.
  foreach ($aids as $aid => $info) {
    $type = $info['type'];
    if ($type != 'node') {
      if (!isset($objects[$type])) {
        $objects[$type] = _trigger_normalize_node_context($type, $node);
      }
      // Since we know about the node, we pass that info along to the action.
      $context['node'] = $node;
      $result = actions_do($aid, $objects[$type], $context, $a3, $a4);
    }
    else {
      actions_do($aid, $node, $context, $a3, $a4);
    }
  }

  unset($recursion[$hook]);
}

/**
 * Implements hook_node_view().
 */
function trigger_node_view($node, $view_mode) {
  _trigger_node($node, 'node_view', $view_mode);
}

/**
 * Implements hook_node_update().
 */
function trigger_node_update($node) {
  _trigger_node($node, 'node_update');
}

/**
 * Implements hook_node_presave().
 */
function trigger_node_presave($node) {
  _trigger_node($node, 'node_presave');
}

/**
 * Implements hook_node_insert().
 */
function trigger_node_insert($node) {
  _trigger_node($node, 'node_insert');
}

/**
 * Implements hook_node_delete().
 */
function trigger_node_delete($node) {
  _trigger_node($node, 'node_delete');
}

/**
 * Loads associated objects for comment triggers.
 *
 * When an action is called in a context that does not match its type, the
 * object that the action expects must be retrieved. For example, when an action
 * that works on nodes is called during the comment hook, the node object is not
 * available since the comment hook doesn't pass it. So here we load the object
 * the action expects.
 *
 * @param $type
 *   The type of action that is about to be called.
 * @param $comment
 *   The comment that was passed via the comment hook.
 *
 * @return
 *   The object expected by the action that is about to be called.
 */
function _trigger_normalize_comment_context($type, $comment) {
  switch ($type) {
    // An action that works with nodes is being called in a comment context.
    case 'node':
      return node_load(is_array($comment) ? $comment['nid'] : $comment->nid);

    // An action that works on users is being called in a comment context.
    case 'user':
      return user_load(is_array($comment) ? $comment['uid'] : $comment->uid);
  }
}

/**
 * Implements hook_comment_presave().
 */
function trigger_comment_presave($comment) {
  _trigger_comment($comment, 'comment_presave');
}

/**
 * Implements hook_comment_insert().
 */
function trigger_comment_insert($comment) {
  _trigger_comment($comment, 'comment_insert');
}

/**
 * Implements hook_comment_update().
 */
function trigger_comment_update($comment) {
  _trigger_comment($comment, 'comment_update');
}

/**
 * Implements hook_comment_delete().
 */
function trigger_comment_delete($comment) {
  _trigger_comment($comment, 'comment_delete');
}

/**
 * Implements hook_comment_view().
 */
function trigger_comment_view($comment) {
  _trigger_comment($comment, 'comment_view');
}

/**
 * Calls action functions for comment triggers.
 *
 * @param $a1
 *   Comment object or array of form values.
 * @param $hook
 *   Hook to trigger.
 */
function _trigger_comment($a1, $hook) {
  // Keep objects for reuse so that changes actions make to objects can persist.
  static $objects;
  $aids = trigger_get_assigned_actions($hook);
  $context = array(
    'group' => 'comment',
    'hook' => $hook,
  );
  // We need to get the expected object if the action's type is not 'comment'.
  // We keep the object in $objects so we can reuse it if we have multiple
  // actions that make changes to an object.
  foreach ($aids as $aid => $info) {
    $type = $info['type'];
    if ($type != 'comment') {
      if (!isset($objects[$type])) {
        $objects[$type] = _trigger_normalize_comment_context($type, $a1);
      }
      // Since we know about the comment, we pass it along to the action
      // in case it wants to peek at it.
      $context['comment'] = (object) $a1;
      actions_do($aid, $objects[$type], $context);
    }
    else {
      actions_do($aid, $a1, $context);
    }
  }
}

/**
 * Implements hook_cron().
 */
function trigger_cron() {
  $aids = trigger_get_assigned_actions('cron');
  $context = array(
    'group' => 'cron',
    'hook' => 'cron',
  );
  // Cron does not act on any specific object.
  $object = NULL;
  actions_do(array_keys($aids), $object, $context);
}

/**
 * Loads associated objects for user triggers.
 *
 * When an action is called in a context that does not match its type, the
 * object that the action expects must be retrieved. For example, when an action
 * that works on nodes is called during the user hook, the node object is not
 * available since the user hook doesn't pass it. So here we load the object the
 * action expects.
 *
 * @param $type
 *   The type of action that is about to be called.
 * @param $account
 *   The account object that was passed via the user hook.
 *
 * @return
 *   The object expected by the action that is about to be called.
 */
function _trigger_normalize_user_context($type, $account) {
  // Note that comment-type actions are not supported in user contexts,
  // because we wouldn't know which comment to choose.
  switch ($type) {
    // An action that works with nodes is being called in a user context.
    // If a single node is being viewed, return the node.
    case 'node':
      // If we are viewing an individual node, return the node.
      if (arg(0) == 'node' && is_numeric(arg(1)) && arg(2) == NULL) {
        return node_load(array('nid' => arg(1)));
      }
      break;
  }
}

/**
 * Implements hook_user_login().
 */
function trigger_user_login(&$edit, $account, $category) {
  _trigger_user('user_login', $edit, $account, $category);
}

/**
 * Implements hook_user_logout().
 */
function trigger_user_logout($account) {
  $edit = array();
  _trigger_user('user_logout', $edit, $account);
}

/**
 * Implements hook_user_insert().
 */
function trigger_user_insert(&$edit, $account, $category) {
  _trigger_user('user_insert', $edit, $account, $category);
}

/**
 * Implements hook_user_update().
 */
function trigger_user_update(&$edit, $account, $category) {
  _trigger_user('user_update', $edit, $account, $category);
}

/**
 * Implements hook_user_cancel().
 */
function trigger_user_cancel($edit, $account, $method) {
  switch ($method) {
    case 'user_cancel_reassign':
      _trigger_user('user_delete', $edit, $account, $method);
      break;
  }
}

/**
 * Implements hook_user_delete().
 */
function trigger_user_delete($account) {
  $edit = array();
  _trigger_user('user_delete', $edit, $account, NULL);
}

/**
 * Implements hook_user_view().
 */
function trigger_user_view($account) {
  $edit = NULL;
  _trigger_user('user_view', $edit, $account, NULL);
}

/**
 * Calls action functions for user triggers.
 *
 * @param $hook
 *   The hook that called this function.
 * @param $edit
 *   Edit variable passed in to the hook or empty array if not needed.
 * @param $account
 *   Account variable passed in to the hook.
 * @param $method
 *   Method variable passed in to the hook or NULL if not needed.
 */
function _trigger_user($hook, &$edit, $account, $category = NULL) {
  // Keep objects for reuse so that changes actions make to objects can persist.
  static $objects;
  $aids = trigger_get_assigned_actions($hook);
  $context = array(
    'group' => 'user',
    'hook' => $hook,
    'form_values' => &$edit,
  );
  foreach ($aids as $aid => $info) {
    $type = $info['type'];
    if ($type != 'user') {
      if (!isset($objects[$type])) {
        $objects[$type] = _trigger_normalize_user_context($type, $account);
      }
      $context['user'] = $account;
      actions_do($aid, $objects[$type], $context);
    }
    else {
      actions_do($aid, $account, $context, $category);
    }
  }
}

/**
 * Calls action functions for taxonomy triggers.
 *
 * @param $hook
 *   Hook to trigger actions for taxonomy_term_insert(),
 *   taxonomy_term_update(), and taxonomy_term_delete().
 * @param $array
 *   Item on which operation is being performed, either a term or
 *   form values.
 */
function _trigger_taxonomy($hook, $array) {
  $aids = trigger_get_assigned_actions($hook);
  $context = array(
    'group' => 'taxonomy',
    'hook' => $hook
  );
  actions_do(array_keys($aids), (object) $array, $context);
}

/**
 * Implements hook_taxonomy_term_insert().
 */
function trigger_taxonomy_term_insert($term) {
  _trigger_taxonomy('taxonomy_term_insert', (array) $term);
}

/**
 * Implements hook_taxonomy_term_update().
 */
function trigger_taxonomy_term_update($term) {
  _trigger_taxonomy('taxonomy_term_update', (array) $term);
}

/**
 * Implements hook_taxonomy_term_delete().
 */
function trigger_taxonomy_term_delete($term) {
  _trigger_taxonomy('taxonomy_term_delete', (array) $term);
}

/**
 * Implements hook_actions_delete().
 *
 * Removes all trigger entries for the given action, when an action is deleted.
 */
function trigger_actions_delete($aid) {
  db_delete('trigger_assignments')
    ->condition('aid', $aid)
    ->execute();
  drupal_static_reset('trigger_get_assigned_actions');
}

/**
 * Retrieves and caches information from hook_trigger_info() implementations.
 *
 * @return
 *   Array of all triggers.
 */
function _trigger_get_all_info() {
  $triggers = &drupal_static(__FUNCTION__);

  if (!isset($triggers)) {
    $triggers = module_invoke_all('trigger_info');
    drupal_alter('trigger_info', $triggers);
  }

  return $triggers;
}

/**
 * Gathers information about tabs on the triggers administration screen.
 *
 * @return
 *   Array of modules that have triggers, with the keys being the
 *   machine-readable name of the module, and the values being the
 *   human-readable name of the module.
 */
function _trigger_tab_information() {
  // Gather information about all triggers and modules.
  $trigger_info = _trigger_get_all_info();
  $modules = system_get_info('module');
  $modules = array_intersect_key($modules, $trigger_info);

  $return_info = array();
  foreach ($modules as $name => $info) {
    $return_info[$name] = $info['name'];
  }

  return $return_info;
}
Creat By MiNi SheLL
Email: devilkiller@gmail.com