<?php

/**
 * Implementation of hook_perm().
 */
function actions_permissions_perm() {
  $perms = array();
  $actions = actions_list() + _actions_permissions_get_custom_actions();
  foreach ($actions as $callback => $action) {
    $perms[] = actions_permissions_get_perm($action['description'], empty($action['callback']) ? $callback : $action['callback']);
  }
  module_load_include('inc', 'node', 'node.admin');
  foreach (array('node', 'user') as $type) {
    foreach (module_invoke_all($type .'_operations') as $operation) {
      if (is_array($operation['label']) || empty($operation['callback'])) continue;
      $perms[] = actions_permissions_get_perm($operation['label'], $operation['callback']);
    }
  }
  return $perms;
}

function _actions_permissions_get_custom_actions() {
  $actions = array();
  $static_actions = actions_list();
  $result = db_query("SELECT * FROM {actions} WHERE parameters > ''");
  while ($action = db_fetch_object($result)) {
    $actions[$action->aid] = array(
      'description' => $action->description,
      'type' => $action->type,
      'configurable' => FALSE,
      'parameters' => unserialize($action->parameters),
    );
    $actions[$action->aid]['behavior'] = isset($static_actions[$action->callback]['behavior']) ? $static_actions[$action->callback]['behavior'] : null;
  }
  return $actions;
}

function actions_permissions_get_perm($label, $callback) {
  return 'execute '. rt($label) .' ('. $callback .')';
}

/**
 * Reverse translation: find English string given translated string.
 * WARNING: Will not work for strings with params.
 */
function rt($string) {
  global $language;
  $langcode = $language->language;

  // 1. Lookup custom strings.
  static $custom_strings;
  if (!isset($custom_strings[$langcode])) {
    $custom_strings[$langcode] = variable_get('locale_custom_strings_'. $langcode, array());
  }
  if ($source = array_search($string, $custom_strings[$langcode])) {
    return $source;
  }

  // 2. Lookup locale translations.
  if (!function_exists('locale') || $langcode == 'en') return $string;
  if (variable_get('locale_cache_strings', 1) == 1) {
    // Cache is on: this string is in the static cache for sure since we have its translated version.
    $locale_t = locale();
    if (isset($locale_t[$langcode]) && ($source = array_search($string, $locale_t[$langcode], TRUE))) {
      return $source;
    }
    else {
      return $string;
    }
  }
  else {
    // Cache is off: look it up in the database.
    $source = db_result(db_query("SELECT s.source FROM {locales_source} s LEFT JOIN {locales_target} t ON s.lid = t.lid AND t.language = '%s' WHERE t.translation = '%s' AND s.textgroup = 'default'", $langcode, $string));
    return $source ? $source : $string;
  }
}