Make sure that tags are duplicated for recurring tasks

app/Model/TaskRecurrenceModel.php

@@ -13,6 +13,64 @@ use DateTime;
  */
 class TaskRecurrenceModel extends TaskDuplicationModel
 {
+    /**
+     * Return the list user selectable recurrence status
+     *
+     * @access public
+     * @return array
+     */
+    public function getRecurrenceStatusList()
+    {
+        return array(
+            TaskModel::RECURRING_STATUS_NONE    => t('No'),
+            TaskModel::RECURRING_STATUS_PENDING => t('Yes'),
+        );
+    }
+
+    /**
+     * Return the list recurrence triggers
+     *
+     * @access public
+     * @return array
+     */
+    public function getRecurrenceTriggerList()
+    {
+        return array(
+            TaskModel::RECURRING_TRIGGER_FIRST_COLUMN => t('When task is moved from first column'),
+            TaskModel::RECURRING_TRIGGER_LAST_COLUMN  => t('When task is moved to last column'),
+            TaskModel::RECURRING_TRIGGER_CLOSE        => t('When task is closed'),
+        );
+    }
+
+    /**
+     * Return the list options to calculate recurrence due date
+     *
+     * @access public
+     * @return array
+     */
+    public function getRecurrenceBasedateList()
+    {
+        return array(
+            TaskModel::RECURRING_BASEDATE_DUEDATE     => t('Existing due date'),
+            TaskModel::RECURRING_BASEDATE_TRIGGERDATE => t('Action date'),
+        );
+    }
+
+    /**
+     * Return the list recurrence timeframes
+     *
+     * @access public
+     * @return array
+     */
+    public function getRecurrenceTimeframeList()
+    {
+        return array(
+            TaskModel::RECURRING_TIMEFRAME_DAYS   => t('Day(s)'),
+            TaskModel::RECURRING_TIMEFRAME_MONTHS => t('Month(s)'),
+            TaskModel::RECURRING_TIMEFRAME_YEARS  => t('Year(s)'),
+        );
+    }
+
     /**
      * Duplicate recurring task
      *
@@ -31,7 +89,9 @@ class TaskRecurrenceModel extends TaskDuplicationModel
 
             $recurring_task_id = $this->save($task_id, $values);
 
-            if ($recurring_task_id > 0) {
+            if ($recurring_task_id !== false) {
+                $this->tagDuplicationModel->duplicateTaskTags($task_id, $recurring_task_id);
+
                 $parent_update = $this->db
                     ->table(TaskModel::TABLE)
                     ->eq('id', $task_id)