<?php

class VigiloLocation extends VigiloXml

{

    protected $childrenLocation;

    protected $childrenEntity;

    protected $childrenManufacturer;

    public function __construct()

    {

        $this->childrenLocation=array();

        $this->childrenEntity=array();

        $this->childrenManufacturer=array();

        $this->selectLocations();

        $this->selectEntities();

        $this->selectManufacturers();

    }

    protected function selectManufacturers()

    {

        global $DB;

        $manufacturers=new Manufacturer();

        $manufacturers=$manufacturers->find();

        foreach ($manufacturers as $manufacturer) {

            $this->childrenManufacturer[] = new VigiloGroups($manufacturer["name"]);

        }

    }

    protected function selectEntities()

    {

        global $DB;

        $entities=new Entity();

        $entities=$entities->find("", "completename");

        $ancestors=array();

        foreach ($entities as $entity) {

            $currentLevel=$entity["level"];

            if ($currentLevel==1 && isset($ancestors[1])) {

                $this->childrenEntity[]=$ancestors[1];

            }

            $tempEntity = new VigiloGroups($entity["name"]);

            $ancestors[$currentLevel]=$tempEntity;

            if ($currentLevel != 1) {

                $ancestors[$currentLevel-1]->addSubGroup($tempEntity);

            }

        }

        $this->childrenEntity[]=$ancestors[1];

    }

    protected function selectLocations()

    {

        global $DB;

        $locations=new Location();

        $locations=$locations->find("", "completename");

        $ancestors=array();

        foreach ($locations as $location) {

            $currentLevel=$location["level"];

            if ($currentLevel==1 && isset($ancestors[1])) {

                $this->childrenLocation[]=$ancestors[1];

            }

            $tempLocation = new VigiloGroups($location["name"]);

            $ancestors[$currentLevel]=$tempLocation;

            if ($currentLevel != 1) {

                $ancestors[$currentLevel-1]->addSubGroup($tempLocation);

            }

        }

        $this->childrenLocation[]=$ancestors[1];

    }

    public function __toString()

    {

        $outXML=new DOMdocument();

        $outXML->preserveWhiteSpace=false;

        $outXML->formatOutput=true;

        $outXML->loadXML(

            self::sprintf(

                '<groups>

     <group name="Locations"> %s </group>

     <group name="Entities"> %s </group>

     <group name="Manufacturers"> %s </group>

     </groups>',

                $this->childrenLocation,

                $this->childrenEntity,

                $this->childrenManufacturer

            )

        );

        return $outXML->saveXML();

    }

}