public function update_readings($new_readings)
{
global $wpdb;
if (!$this->can_save()) {
return false;
}
$old_readings = $this->readings();
$this->revision_num++;
$this->revision_id = self::register_revision_num($this->id, $this->revision_num);
$this->time_modified = self::save_readings($this->revision_id, $new_readings);
$this->reading_count = count($new_readings);
// We need to save the plan now because we have updated the revision table
// and if we don't save the plan, they might get out of sync
$this->save(false);
// Update any reading schedule progress for this plan
BfoxReadingSchedule::update_schedules_for_plan_id($this->id, $this->revision_id, $old_readings, $new_readings);
}
