function workflow_cron in Workflow 6

Same name and namespace in other branches

1. 8 workflow.module \workflow_cron()
2. 5.2 workflow.module \workflow_cron()
3. 5 workflow.module \workflow_cron()
4. 6.2 workflow.module \workflow_cron()
5. 7.2 workflow.module \workflow_cron()
6. 7 workflow.module \workflow_cron()

Implementation of hook_cron().

File

./workflow.module, line 1089

Support workflows made up of arbitrary states.

Code

function workflow_cron() {
  $clear_cache = FALSE;

  // If the time now is greater than the time to execute a
  // transition, do it.
  $nodes = db_query('SELECT * FROM {workflow_scheduled_transition} s WHERE s.scheduled > 0 AND s.scheduled < %d', time());
  while ($row = db_fetch_object($nodes)) {
    $node = node_load($row->nid);

    // Make sure transition is still valid; i.e., the node is
    // still in the state it was when the transition was scheduled.
    if ($node->_workflow == $row->old_sid) {

      // Do transition.
      workflow_execute_transition($node, $row->sid, $row->comment, TRUE);
      watchdog('content', '%type: scheduled transition of %title.', array(
        '%type' => t($node->type),
        '%title' => $node->title,
      ), WATCHDOG_NOTICE, l(t('view'), 'node/' . $node->nid));
      $clear_cache = TRUE;
    }
    else {

      // Node is not in the same state it was when the transition
      // was scheduled. Defer to the node's current state and
      // abandon the scheduled transition.
      db_query('DELETE FROM {workflow_scheduled_transition} WHERE nid = %d', $node->nid);
    }
  }
  if ($clear_cache) {

    // Clear the cache so that if the transition resulted in a node
    // being published, the anonymous user can see it.
    cache_clear_all();
  }
}