feeds.module

<?php
// $Id$

/**
 * @file
 * Feeds - basic API functions and hook implementations.
 */

// Vague request time. Use as common point of reference and to avoid costly
// calls to time().
define('FEEDS_REQUEST_TIME', time());
// Do not schedule a feed for refresh.
define('FEEDS_SCHEDULE_NEVER', -1);
// Never expire feed items.
// @todo Use FEEDS_NEVER instead of FEEDS_SCHEDULE_NEVER and FEEDS_EXPIRE_NEVER.
define('FEEDS_EXPIRE_NEVER', -1);
// An object is not persistent at all. Compare to EXPORT_IN_DATABASE OR
// EXPORT_IN_CODE.
define('FEEDS_EXPORT_NONE', 0x0);
// The Drupal Queue FeedsScheduler may use for scheduling importing or expiry.
define('FEEDS_SCHEDULER_QUEUE', 'feeds_queue');


/**
 * @defgroup hooks Hook and callback implementations
 * @{
 */

/**
 * Implementation of hook_cron().
 */
function feeds_cron() {
  feeds_scheduler()->cron();
}

/**
 * Implementation of hook_cron_queue_info().
 * Invoked by drupal_queue module if present.
 */
function feeds_cron_queue_info() {
  $queues = array();
  $queues[FEEDS_SCHEDULER_QUEUE] = array(
    'worker callback' => 'feeds_scheduler_work',
    'time' => variable_get('feeds_worker_time', 15),
  );
  return $queues;
}

/**
 * Implementation of hook_perm().
 */
function feeds_perm() {
  $perms = array('administer feeds');
  foreach (feeds_importer_load_all() as $importer) {
    $perms[] = 'import '. $importer->id .' feeds';
    $perms[] = 'clear '. $importer->id .' feeds';
  }
  return $perms;
}

/**
 * Implementation of hook_forms().
 */
function feeds_forms() {
  // Declare form callbacks for all known classes derived from FeedsConfigurable.
  $forms = array();
  $forms['FeedsImporter_feeds_config_form']['callback'] = 'feeds_config_form';
  $plugins = feeds_get_plugins();
  foreach ($plugins as $plugin) {
    // See feeds_get_config_form().