Index: feedapi_node/feedapi_node.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/feedapi/feedapi_node/Attic/feedapi_node.module,v
retrieving revision 1.1.2.18.2.35
diff -u -p -r1.1.2.18.2.35 feedapi_node.module
--- feedapi_node/feedapi_node.module	2 Jul 2009 16:38:16 -0000	1.1.2.18.2.35
+++ feedapi_node/feedapi_node.module	7 Aug 2009 16:28:12 -0000
@@ -126,6 +126,47 @@ function feedapi_node_views_api() {
 }
 
 /**
+ * Implementation of hook_feedapi_mapper().
+ */
+function feedapi_node_feedapi_mapper($op, $feed_node, $active_processor, $node = NULL, $feed_element = array(), $field_name = '', $sub_field = '') {
+
+  // Checks processor compatibility.
+  if ($active_processor != 'feedapi_node') {
+    return;
+  }
+
+  if ($op == 'describe') {
+    return t('Maps a feed element to item URL and GUID.');
+  }
+  else if ($op == 'list') {
+    return array('guid' => t('GUID'), 'original_url' => t('URL'));
+  }
+  else if ($op == 'map') {
+    if (in_array($field_name, array('guid', 'original_url'))) {
+      if (!empty($feed_element)) {
+        $node->feedapi->feed_item->options->{$field_name} = $feed_element;
+      }
+      return $node;
+    }
+  }
+  else if ($op == 'unique') {
+    $nids = array();
+    // Check for any duplicates, decide in _feedapi_node_save() whether to look for in-feed duplicates or any duplicates.
+    $field_name = $field_name == 'original_url' ? 'url' : $field_name;
+    $result = db_query("SELECT nid, feed_nid FROM feedapi_node_item i JOIN feedapi_node_item_feed f ON i.nid = f.feed_item_nid WHERE %s = '%s'", $field_name, $feed_element);
+    while ($item = db_fetch_array($result)) {
+      $nids[$item->feed_nid] = $item->nid;
+    }
+    return $nids;
+  }
+  else if ($op == 'unique supported') {
+    // Both fields support testing for unique items.
+    return TRUE;
+  }
+}
+
+
+/**
  * Implementation of hook_feedapi_settings_form().
  * If a module provides parsers and processors it MUST evaluate the $type variable
  * to return different forms for parsers and processors.