[sites/parser] indicate new insertion

lib/sites/parser.pm

@@ -60,6 +60,9 @@ sub parse {
 
     # if we get a new content, we must save it
     if (%content) {
+        # we assume it's a new content
+        my $new = 1;
+
 	    if ($debug) {
 		    $log->debug($content{'url'});
 	    }
@@ -75,6 +78,8 @@ sub parse {
                     $content{'author'}, $content{'title'}, $content{'duration'});
             };
             if ($@) {
+                # seems to be already present in database 
+                $new = 0;
 			    $log->error("Couldn't finish transaction: " . $@);
             }
 	    }
@@ -117,7 +122,12 @@ sub parse {
         $dbh->commit;
 
         # message sur irc
+        if ($new) {
+            $content{'id'} = '+'.$id;
+        }
+        else {
             $content{'id'} = $id;
+        }
         $content{'tags'} = \@tags;
         delete $content{'url'};
 		$irc->yield(privmsg => $chan => utils::print::print(\%content));