/**
  * Get check lists from database with related check items and control items
  *
  * @param $check_list_id check list id
  * @param $status status OPEN/CLOSED
  * @param $type control items registration type (Radiobuttons, Checklist, textfield, just commentfield)
  * @return returns a check list object
  */
 public function get_single_with_check_items($check_list_id, $status, $type)
 {
     $check_list_id = (int) $check_list_id;
     $sql = "SELECT cl.id as cl_id, cl.status as cl_status, cl.control_id, cl.comment as cl_comment, deadline, planned_date, completed_date,assigned_to, num_open_cases, location_code, num_pending_cases, ";
     $sql .= "ci.id as ci_id, control_item_id, check_list_id, cl.serie_id";
     $sql .= "coi.title as coi_title, coi.required as coi_required, ";
     $sql .= "coi.what_to_do as coi_what_to_do, coi.how_to_do as coi_how_to_do, coi.control_group_id as coi_control_group_id, coi.type ";
     $sql .= "FROM controller_check_list cl ";
     $sql .= "LEFT JOIN controller_check_item as ci ON cl.id = ci.check_list_id ";
     $sql .= "LEFT JOIN controller_control_item as coi ON ci.control_item_id = coi.id ";
     $sql .= "WHERE cl.id = {$check_list_id} ";
     if ($status == 'open') {
         $sql .= "AND ci.status = 0 ";
     } else {
         if ($status == 'handled') {
             $sql .= "AND ci.status = 1 ";
         }
     }
     if ($type != null) {
         $sql .= "AND coi.type = '{$type}'";
     }
     $this->db->query($sql);
     $counter = 0;
     $check_list = null;
     while ($this->db->next_record()) {
         if ($counter == 0) {
             $check_list = new controller_check_list($this->unmarshal($this->db->f('cl_id'), 'int'));
             $check_list->set_status($this->unmarshal($this->db->f('cl_status'), 'bool'));
             $check_list->set_control_id($this->unmarshal($this->db->f('control_id'), 'int'));
             $check_list->set_comment($this->unmarshal($this->db->f('cl_comment', true), 'string'));
             $check_list->set_deadline($this->unmarshal($this->db->f('deadline'), 'int'));
             $check_list->set_planned_date($this->unmarshal($this->db->f('planned_date'), 'int'));
             $check_list->set_completed_date($this->unmarshal($this->db->f('completed_date'), 'int'));
             $check_list->set_location_code($this->unmarshal($this->db->f('location_code', true), 'string'));
             $check_list->set_num_open_cases($this->unmarshal($this->db->f('num_open_cases'), 'int'));
             $check_list->set_num_pending_cases($this->unmarshal($this->db->f('num_pending_cases'), 'int'));
             $check_list->set_assigned_to($this->unmarshal($this->db->f('assigned_to'), 'int'));
             $check_list->set_serie_id($this->db->f('serie_id'));
         }
         if ($this->db->f('ci_id')) {
             $check_item = new controller_check_item($this->unmarshal($this->db->f('ci_id'), 'int'));
             $check_item->set_control_item_id($this->unmarshal($this->db->f('control_item_id'), 'int'));
             $check_item->set_check_list_id($this->unmarshal($this->db->f('check_list_id'), 'int'));
             $control_item = new controller_control_item($this->unmarshal($this->db->f('coi_id'), 'int'));
             $control_item->set_title($this->db->f('coi_title', true), 'string');
             $control_item->set_required($this->db->f('coi_required', true), 'string');
             $control_item->set_what_to_do($this->db->f('coi_what_to_do', true), 'string');
             $control_item->set_how_to_do($this->db->f('coi_how_to_do', true), 'string');
             $control_item->set_control_group_id($this->db->f('coi_control_group_id', true), 'string');
             $control_item->set_type($this->db->f('type', true), 'string');
             $check_item->set_control_item($control_item->toArray());
             $check_items_array[] = $check_item->toArray();
         }
         $counter++;
     }
     if ($check_list != null) {
         $check_list->set_check_item_array($check_items_array);
         return $check_list->toArray();
     } else {
         return null;
     }
 }
 /**
  * Get check item objects from database including related control item and cases
  * 
  * @param	$message_ticket_id get check items and cases for this message
  * @return check item objects 
  */
 public function get_check_items_with_cases_by_message($message_ticket_id)
 {
     $message_ticket_id = (int) $message_ticket_id;
     $sql = "SELECT ci.id as ci_id, control_item_id, cic.component_location_id,";
     $sql .= "check_list_id, cic.id as cic_id, cic.status as cic_status, cic.*, ";
     $sql .= "coi.id as coi_id, coi.* ";
     $sql .= "FROM controller_control_group JOIN controller_control_item ON controller_control_item.control_group_id=controller_control_group.id ";
     $sql .= "JOIN controller_check_item ci ON ci.control_item_id = controller_control_item.id ";
     $sql .= "LEFT JOIN controller_control_item as coi ON ci.control_item_id = coi.id ";
     $sql .= "LEFT JOIN controller_check_item_case as cic ON ci.id = cic.check_item_id ";
     $sql .= "WHERE cic.location_item_id = {$message_ticket_id}";
     $this->db->query($sql);
     $check_item_id = 0;
     $check_item = null;
     while ($this->db->next_record()) {
         if ($this->db->f('ci_id') != $check_item_id) {
             if ($check_item_id) {
                 $check_item->set_cases_array($cases_array);
                 $check_items_array[] = $check_item;
             }
             $check_item = new controller_check_item($this->unmarshal($this->db->f('ci_id'), 'int'));
             $check_item->set_control_item_id($this->unmarshal($this->db->f('control_item_id'), 'int'));
             $check_item->set_check_list_id($this->unmarshal($this->db->f('check_list_id'), 'int'));
             $control_item = new controller_control_item($this->unmarshal($this->db->f('coi_id'), 'int'));
             $control_item->set_title($this->db->f('title', true), 'string');
             $control_item->set_required($this->db->f('required', true), 'string');
             $control_item->set_what_to_do($this->db->f('what_to_do', true), 'string');
             $control_item->set_how_to_do($this->db->f('how_to_do', true), 'string');
             $control_item->set_control_group_id($this->db->f('control_group_id'), 'int');
             $control_item->set_component_location_id($this->db->f('component_location_id'), 'int');
             $control_item->set_type($this->db->f('type', true), 'string');
             $check_item->set_control_item($control_item);
             $cases_array = array();
         }
         if ($this->db->f('cic_id')) {
             $case = new controller_check_item_case($this->unmarshal($this->db->f('cic_id'), 'int'));
             $case->set_status($this->unmarshal($this->db->f('cic_status'), 'int'));
             $case->set_check_item_id($this->unmarshal($this->db->f('check_item_id'), 'int'));
             $case->set_location_id($this->unmarshal($this->db->f('location_id'), 'int'));
             $case->set_location_item_id($this->unmarshal($this->db->f('location_item_id'), 'int'));
             $case->set_descr($this->unmarshal($this->db->f('descr', true), 'string'));
             $case->set_user_id($this->unmarshal($this->db->f('user_id'), 'int'));
             $case->set_entry_date($this->unmarshal($this->db->f('entry_date'), 'int'));
             $case->set_modified_date($this->unmarshal($this->db->f('modified_date'), 'int'));
             $case->set_modified_by($this->unmarshal($this->db->f('modified_by'), 'int'));
             $cases_array[] = $case;
         }
         $check_item_id = $check_item->get_id();
     }
     if ($check_item != null) {
         $check_item->set_cases_array($cases_array);
         $check_items_array[] = $check_item;
         return $check_items_array;
     } else {
         return null;
     }
 }