added list of deleted entities from flag list content

sites/all/modules/contrib/flag/flag_lists/flag_lists.admin.inc

@@ -115,7 +115,7 @@ function flag_lists_add_js($type = NULL) {
   $query->fields('f')
     ->fields('fl')
     ->condition('fl.type', $type);
-  
+
   $row = $query->execute()
     ->fetchObject();
 
@@ -176,7 +176,7 @@ function flag_lists_form($form, $form_state, $name = NULL, $type = NULL) {
     $title_string_name = variable_get('flag_lists_name', 'list');
     $title_string = t('Edit your "@title" @name title', array('@title' => $flag->get_title(), '@name' => $title_string_name));
     drupal_set_title();
-    
+
     $form['edit'] = array(
       '#type' => 'hidden',
       '#value' => TRUE,
@@ -248,7 +248,7 @@ function flag_lists_form_submit($form, $form_state, $account = NULL) {
     $query->fields('f')
       ->fields('fl')
       ->condition('fl.type', $type);
-    
+
     $row = $query->execute()
       ->fetchObject();
 
@@ -597,3 +597,44 @@ function flag_lists_generate_lists_form_submit($form, &$form_state) {
 }
 
 
+
+/**
+ * Clean lists from deleted enties
+ */
+function flag_list_clean_deleted(){
+
+  drupal_set_title(t('Flag lists Clean'));
+  $output = '<p>' . t('This page shows all the deleted entityties id from flag lists.') . '</p>';
+
+  $total = 0;
+  $list = "<ul>";
+
+  $query = db_select('flag_lists_content');
+  $query->fields('flag_lists_content', array('entity_id', 'entity_type'));
+  $query->distinct();
+  $items = $query->execute()->fetchAll();
+
+   if ($items) {
+    foreach ($items as $key => $value) {
+      $entity = entity_load($value->entity_type, array($value->entity_id), array(), true);
+      // dsm($entity);
+      // break;
+      if(!isset($entity[$value->entity_id])){
+        $list .= "<li>".$value->entity_type ." <em>". $value->entity_id."</em> have been deleted does not exists anymore.</li>";
+        $total++;
+      }
+
+      // db_delete('flag_lists_content')
+      //   ->condition('entity_type', $value->entity_type)
+      //   ->condition('entity_id', $value->entity_id)
+      //   ->execute();
+      //   watchdog('flag_lists', t('Deleted entry @fcid from flat_lists_content', array('@fcid' => $value->fcid)));
+      // }
+    }
+  }
+
+  $list .= "</ul>";
+  $output .= "<p><strong>".$total ."</strong> entities have been deleted.</p>";
+  $output .= $list;
+  return $output;
+}

sites/all/modules/contrib/flag/flag_lists/flag_lists.module

@@ -56,6 +56,16 @@ function flag_lists_menu() {
     'type' => MENU_LOCAL_TASK,
     'weight' => 3,
   );
+  $items[FLAG_ADMIN_PATH . '/lists/clean'] = array(
+    'title' => 'Clean lists from deleted entities',
+    'page callback' => 'flag_list_clean_deleted',
+    'access callback' => 'user_access',
+    'access arguments' => array('administer flags'),
+    'file' => 'flag_lists.admin.inc',
+    'type' => MENU_LOCAL_TASK,
+    'weight' => 4,
+  );
+
   if (module_exists('devel_generate')) {
     $items['admin/config/development/generate/flag-lists'] = array(
       'title' => 'Generate lists',
@@ -1278,7 +1288,7 @@ $flags['fl_template'] = array(
 );
 return $flags;
 
-  
+
 }
 
 /**
@@ -1590,7 +1600,7 @@ function flag_lists_fix_link(&$link, $action) {
       ->condition('entity_type', $type);
     $query->fields('flag_lists_content', array('fcid', 'fid', 'uid', 'sid'));
     $items = $query->execute()->fetchAll();
-   
+
    if ($items) {
     foreach ($items as $key => $value) {
       db_delete('flag_lists_content')
@@ -1773,5 +1783,3 @@ function flag_lists_entity_delete($entity, $type) {
     }
   }
 }
-
-