protected function FeedsNodeProcessor::existingItemId in Feeds 7

Same name and namespace in other branches

1. 6 plugins/FeedsNodeProcessor.inc \FeedsNodeProcessor::existingItemId()

Get nid of an existing feed item node if available.

Overrides FeedsProcessor::existingItemId

1 call to FeedsNodeProcessor::existingItemId()

FeedsNodeProcessor::process in plugins/FeedsNodeProcessor.inc

Implements FeedsProcessor::process().

File

plugins/FeedsNodeProcessor.inc, line 305

Class definition of FeedsNodeProcessor.

Class

FeedsNodeProcessor

Creates nodes from feed items.

Code

protected function existingItemId(FeedsImportBatch $batch, FeedsSource $source) {

  // Iterate through all unique targets and test whether they do already
  // exist in the database.
  foreach ($this
    ->uniqueTargets($batch) as $target => $value) {
    switch ($target) {
      case 'nid':
        $nid = db_query("SELECT nid FROM {node} WHERE nid = :nid", array(
          ':nid' => $value,
        ))
          ->fetchField();
        break;
      case 'url':
        $nid = db_query("SELECT nid FROM {feeds_node_item} WHERE feed_nid = :nid AND id = :id AND url = :url", array(
          ':nid' => $source->feed_nid,
          ':id' => $source->id,
          ':url' => $value,
        ))
          ->fetchField();
        break;
      case 'guid':
        $nid = db_query("SELECT nid FROM {feeds_node_item} WHERE feed_nid = :nid AND id = :id AND guid = :guid", array(
          ':nid' => $source->feed_nid,
          ':id' => $source->id,
          ':guid' => $value,
        ))
          ->fetchField();
        break;
    }
    if ($nid) {

      // Return with the first nid found.
      return $nid;
    }
  }
  return 0;
}