--- a/scald_dailymotion.module	Fri Jul 16 17:42:09 2010 +0200
+++ b/scald_dailymotion.module	Mon Jul 19 13:41:45 2010 +0200
@@ -47,16 +47,28 @@
 }
 
 /**
- * Creates an atom based on a DailyMotion video id.
- * @param $video_id
- *   Unique identifier of the video on dailymotion
+ * Creates an atom based on a DailyMotion video id or an object
+ * containing the video informations..
+ * @param $video
+ *   Unique identifier of the video on dailymotion, or object
+ *   returned by scald_dailymotion_video.
  * @return integer
  *   Unique identifier of the new atom
  */
-function scald_dailymotion_register($video_id) {
+function scald_dailymotion_register($video) {
   global $user;
   // Fetch the needed informations from DailyMotion
-  $infos = scald_dailymotion_video($video_id);
+  if (is_object($video)) {
+    $infos = $video;
+  }
+  else {
+    $infos = scald_dailymotion_video($video);
+  }
+  // Check if the video has already been imported to prevent duplicated
+  $old = scald_dailymotion_already_imported($infos->id);
+  if ($old) {
+    return $old;
+  }
   // Download a copy of the video thumbnail. This makes it possible
   // to do interesting things when used with ImageCache for example.
   $thumb = drupal_http_request($infos->thumbnail['src']);
@@ -146,3 +158,17 @@
   $items = scald_dailymotion_feed('video', $id);
   return $items[0];
 }
+
+/**
+ * Checks if a video has already been imported, based on its video
+ * id.
+ * @param $id
+ *   The video identifier
+ * @return mixed
+ *   FALSE if the video was never imported, the scald identifier of
+ *   the video otherwise.
+ */
+function scald_dailymotion_already_imported($id) {
+  $query = array('provider' => 'scald_dailymotion', 'base_id' => $id);
+  return scald_search($query, FALSE, TRUE);
+}