feeds.module

<?php

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

// Common request time, use as point of reference and to avoid calls to time().
define('FEEDS_REQUEST_TIME', time());
// Do not schedule a feed for refresh.
define('FEEDS_SCHEDULE_NEVER', -1);
// Never expire feed items.
define('FEEDS_EXPIRE_NEVER', -1);
// An object that is not persistent. Compare EXPORT_IN_DATABASE, EXPORT_IN_CODE.
define('FEEDS_EXPORT_NONE', 0x0);
// Status of batched operations.
define('FEEDS_BATCH_COMPLETE', 1.0);
define('FEEDS_BATCH_ACTIVE', 0.0);

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

/**
 * Implements hook_hook_info().
 */
function feeds_hook_info() {
  $hooks = array(
    'feeds_plugins',
    'feeds_after_parse',
    'feeds_before_import',
    'feeds_before_update',
    'feeds_presave',
    'feeds_after_save',
    'feeds_after_import',
    'feeds_after_clear',
    'feeds_processor_targets',
    'feeds_processor_targets_alter',
    'feeds_parser_sources_alter',
  );

  return array_fill_keys($hooks, array('group' => 'feeds'));
}

/**
 * Implements hook_cron().
 */
function feeds_cron() {
  // Expire old log entries.
  db_delete('feeds_log')
    ->condition('request_time', REQUEST_TIME - 604800, '<')
    ->execute();

  // Find importers that need to be rescheduled.
  if (!$importers = feeds_reschedule()) {
    return;
  }

  // @todo Maybe we should queue this somehow as well. This could be potentially
  // very long.
  $sources = db_query("SELECT feed_nid, id FROM {feeds_source} WHERE id IN (:ids)", array(':ids' => $importers));

  foreach ($sources as $source) {
    feeds_source($source->id, $source->feed_nid)->schedule();
  }

  feeds_reschedule(FALSE);
}