Index: votingapi.admin.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/votingapi/Attic/votingapi.admin.inc,v
retrieving revision 1.1.2.2
diff -u -p -r1.1.2.2 votingapi.admin.inc
--- votingapi.admin.inc	1 Oct 2008 15:47:46 -0000	1.1.2.2
+++ votingapi.admin.inc	18 May 2009 04:19:29 -0000
@@ -19,8 +19,11 @@ function votingapi_settings_form($form_s
     '#default_value' => variable_get('votingapi_anonymous_window', 86400),
     '#options' => $period
   );
-
-  $form['votingapi_calculation_schedule'] = array(
+  $form['results'] = array(
+    '#type' => 'fieldset',
+    '#title' => t('Voting Results Settings'),
+  );
+  $form['results']['votingapi_calculation_schedule'] = array(
     '#type' => 'radios',
     '#title' => t('Vote tallying'),
     '#description' => t('On high-traffic sites, administrators can use this setting to postpone the calculation of vote results.'),
@@ -31,11 +34,131 @@ function votingapi_settings_form($form_s
       'manual' => t('Do not tally results automatically: I am using a module that manages its own vote results.')
     ),
   );
+  $form['results']['votingapi_recalculate_all'] = array(
+    '#type' => 'submit',
+    '#value' => t('Rebuild all Voting Results'),
+    '#submit' => array('votingapi_rebuild_submit'),
+  );
+  
+  /**
+   * hmm
+   * '#attributes' => array('class' => 'description'),
+   * didn't work
+   */
+  $form['results']['help'] = array(
+    '#prefix' => '<div class="description">',
+    '#type' => 'markup',
+    '#value' => t('This action rebuilds all voting results, and may be a lengthy process.'),
+    '#suffix' => '</div>',
+  );
 
   return system_settings_form($form);
 }
 
 /**
+ * Form submit function for the Rebuild all Voting Results button
+ */
+function votingapi_rebuild_submit($form, &$form_state) {
+  $form_state['redirect'] = 'admin/settings/votingapi/rebuild';
+}
+
+/**
+ * generate a confirmation form for rebuilding all the votes
+ */
+function votingapi_rebuild_form($form_state = NULL) {
+  return confirm_form(array(),
+    t('Are you sure you want to rebuild all the voting results on site content?'),
+    'admin/settings/votingapi',
+    t('This action rebuilds all voting results, and may be a lengthy process.'),
+    t('Recalculate Results'),
+    t('Cancel')
+  );
+}
+
+/**
+ * form submit function that recalculates voting results for all content
+ * Sometimes the votingapi_vote table gets out of sync with the votingapi_cache
+ * table and then the cache table needs to be rebuild. This can be a lengthy
+ * process and it uses the batch api to rebuild those results
+ *
+ * http://api.drupal.org/api/group/batch/6
+ */
+function votingapi_rebuild_form_submit($form, &$form_state) {
+  $types_result = db_query("SELECT DISTINCT(content_type) FROM {votingapi_vote}");
+  
+  // set up the operations for each content_type
+  while ($type_object = db_fetch_object($types_result)) {
+    $operations[] = array('_votingapi_results_rebuild', array($type_object->content_type));
+  }
+  $batch = array(
+    'title' => t('Recalculating'),
+    'operations' => $operations,
+    'init_message' => 'Preparing to recalculate',
+    'finished' => '_votingapi_results_rebuild_finished',
+    'file' => drupal_get_path('module', 'votingapi') . '/votingapi.admin.inc',
+  );
+  // set the batch and let FAPI call batch_process
+  batch_set($batch);
+  
+  // set a sensable redirect
+  $form_state['redirect'] = 'admin/settings/votingapi';
+}
+
+
+/**
+ * Batch API callback
+ */
+function _votingapi_results_rebuild($type, &$context) {
+  if (empty($context['sandbox']['max'])) {
+    // set up the stuff!
+    $context['sandbox']['progress'] = 0;
+    $context['sandbox']['current_content_id'] = 0;
+    
+    // since $context will be populated across invokations per content type
+    // we only set count to 0 when it hasn't been set yet
+    if (!isset($context['results']['count'])) {
+      $context['results']['count'] = 0;
+    }
+    // get the max for this content type
+    $context['sandbox']['max'] = db_result(db_query("SELECT MAX(content_id) FROM {votingapi_vote} WHERE content_type = '%s'", $type));
+  }
+
+  $limit = 100;
+  
+  // grab the content_id's
+  $result = db_query_range("SELECT DISTINCT(content_id) FROM {votingapi_vote} WHERE content_type = '%s' AND content_id > %d ORDER BY content_id ASC", $type, $context['sandbox']['current_content_id'], 0, $limit);
+  while ($row = db_fetch_object($result)) {
+    $context['sandbox']['progress']++;
+    $context['sandbox']['current_content_id'] = $row->content_id;
+    // force recalc
+    votingapi_recalculate_results($type, $row->content_id, TRUE);
+    $context['results']['count']++;
+  }
+  
+  // check for if not finished
+  if ($context['sandbox']['current_content_id'] != $context['sandbox']['max']) {
+    $context['finished'] = $context['sandbox']['progress'] / $context['sandbox']['max'];
+  }
+  else {
+    // if we are finished with this run, delete the context[sandbox]
+    unset($context['sandbox']);
+  }
+}
+
+/**
+ * Finish batch callback
+ */
+function _votingapi_results_rebuild_finished($success, $results, $operations) {
+  if ($success) {
+    $message = format_plural($results['count'], 'One piece of content recalculated.', '@count pieces of content recalculated');
+  }
+  else {
+    $message = t('Finished with an error.');
+  }
+  drupal_set_message($message);
+}
+
+/**
  * Developer tool to generate dummy votes.
  */
 function votingapi_generate_votes_form() {
Index: votingapi.module
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/votingapi/votingapi.module,v
retrieving revision 1.46.2.15
diff -u -p -r1.46.2.15 votingapi.module
--- votingapi.module	9 Oct 2008 21:12:35 -0000	1.46.2.15
+++ votingapi.module	18 May 2009 04:19:29 -0000
@@ -26,6 +26,16 @@ function votingapi_menu() {
     'file' => 'votingapi.admin.inc',
     'type' => MENU_NORMAL_ITEM
   );
+  
+  $items['admin/settings/votingapi/rebuild'] = array(
+    'title' => 'Voting API',
+    'description' => 'Rebuild all the results for across all content types',
+    'page callback' => 'drupal_get_form',
+    'page arguments' => array('votingapi_rebuild_form'),
+    'access callback' => 'user_access',
+    'access arguments' => array('administer voting api'),
+    'file' => 'votingapi.admin.inc',
+  );
 
   if (module_exists('devel_generate')) {
     $items['admin/generate/votingapi'] = array(