function uuid_comment in Universally Unique IDentifier 6

Implementation of hook_comment().

File

./uuid.module, line 317

Main module functions for the uuid module.

Code

function uuid_comment(&$a1, $op) {
  switch ($op) {

    // Make sure that a new entry gets made in the comments_uuid table when new content
    // is added.
    case 'insert':
      if (!empty($a1['uuid']) && uuid_is_valid($a1['uuid'])) {
        db_query("INSERT INTO {uuid_comments} (cid, uuid) VALUES (%d, '%s')", $a1['cid'], $a1['uuid']);
      }
      else {
        if (variable_get('uuid_automatic_for_comments', FALSE)) {
          db_query("INSERT INTO {uuid_comments} (cid, uuid) VALUES (%d, '%s')", $a1['cid'], uuid_uuid());
        }
      }
      break;
    case 'update':
      if (isset($a1['uuid']) && uuid_is_valid($a1['uuid'])) {
        $exists = db_result(db_query('SELECT 1 FROM {uuid_comments} WHERE cid = %d', $a1['cid']));
        if (!$exists && variable_get('uuid_automatic_for_comments', FALSE)) {
          db_query("INSERT INTO {uuid_comments} (cid, uuid) VALUES (%d, '%s')", $a1['cid'], uuid_uuid());
        }
      }
      break;

    // Clean up comments_uuid table when content is deleted.
    case 'delete':
      db_query("DELETE FROM {uuid_comments} WHERE cid = %d", $a1->cid);
      break;
  }
}