From d2738818a3f30f0563d4b4bc07a51fd6a0bfa79f Mon Sep 17 00:00:00 2001
From: Marco Villegas <marvil07@gmail.com>
Date: Fri, 25 Jun 2010 00:40:10 -0500
Subject: [PATCH] bug #210905 by Mikhail Khazov, matt@antinomia, marvil07: Fixed Only show 'Reset vote' link if user has voted on node/comment.

---
 vud_comment/vud_comment.module |   20 +++++++++++++++-----
 vud_node/vud_node.module       |   20 +++++++++++++++-----
 2 files changed, 30 insertions(+), 10 deletions(-)

diff --git vud_comment/vud_comment.module vud_comment/vud_comment.module
index 76a1b7d..8c74bf0 100644
--- vud_comment/vud_comment.module
+++ vud_comment/vud_comment.module
@@ -178,12 +178,22 @@ function vud_comment_link($type, $object, $teaser = FALSE) {
         );
       }
       if (variable_get('vud_comment_reset', 0) && user_access('reset vote up/down votes')) {
-        $reset_token = drupal_get_token("votereset/comment/$comment->cid/$tag");
-        $links['vud_comment_votes_reset_link'] = array(
-          'title' => t('Reset your vote'),
-          'href'  => "votereset/comment/$comment->cid/$tag/$reset_token",
-          'html'  => TRUE,
+        $tag = variable_get('vote_up_down_tag', 'vote');
+        $criteria = array(
+          'content_type' => $type,
+          'content_id' => $comment->cid,
+          'tag' => $tag,
         );
+        $criteria += votingapi_current_user_identifier();
+        $user_vote = votingapi_select_single_vote_value($criteria);
+        if (!is_null($user_vote)) {
+          $reset_token = drupal_get_token("votereset/comment/$comment->cid/$tag");
+          $links['vud_comment_votes_reset_link'] = array(
+            'title' => t('Reset your vote'),
+            'href'  => "votereset/comment/$comment->cid/$tag/$reset_token",
+            'html'  => TRUE,
+          );
+        }
       }
       break;
   }
diff --git vud_node/vud_node.module vud_node/vud_node.module
index 632ace6..5d55a84 100644
--- vud_node/vud_node.module
+++ vud_node/vud_node.module
@@ -283,12 +283,22 @@ function vud_node_link($type, $object, $teaser = FALSE) {
           break;
       }
       if ($node_type && variable_get('vud_node_reset', 0) && user_access('reset vote up/down votes')) {
-        $reset_token = drupal_get_token("votereset/node/$node->nid/$tag");
-        $links['vud_node_votes_reset_link'] = array(
-          'title' => t('Reset your vote'),
-          'href'  => "votereset/node/$node->nid/$tag/$reset_token",
-          'html'  => TRUE,
+        $tag = variable_get('vote_up_down_tag', 'vote');
+        $criteria = array(
+          'content_type' => $type,
+          'content_id' => $node->nid,
+          'tag' => $tag,
         );
+        $criteria += votingapi_current_user_identifier();
+        $user_vote = votingapi_select_single_vote_value($criteria);
+        if (!is_null($user_vote)) {
+          $reset_token = drupal_get_token("votereset/node/$node->nid/$tag");
+          $links['vud_node_votes_reset_link'] = array(
+            'title' => t('Reset your vote'),
+            'href'  => "votereset/node/$node->nid/$tag/$reset_token",
+            'html'  => TRUE,
+          );
+        }
       }
       break;
   }
-- 
1.7.1