<?php

class class_Prepods{
    private $DB;
    function __construct(){
        GLOBAL $DB;
        $this->DB = $DB;
    }

    public function HTML(){
        $smartyC = new class_smarty();
        $smarty = $smartyC->config(__DIR__.'\..\tpl');
        //echo __DIR__.'\tpl';
        $out = array('name'=>'Струткура МГТУ','body'=>'');

        $smarty->assign('structure',$this->structure_get());
        $out['body'] = $smarty->fetch('page_prepods.html');
        return $out;
    }

    function structure_get(){
        $out = array();
        $sql = 'SELECT 
            school.name as school_name,
            facultie.name as facultie_name,
            kafedre.name as kafedre_name,
            kafedre.code as kafedre_code
        FROM 
              acs_schools as school,
              acs_faculties as facultie,
              acs_kafedres as kafedre
        WHERE
            school.id=facultie.id_school AND 
            facultie.id = kafedre.id_facult
        ORDER BY school.name,facultie.name,kafedre.name';
        $rez = $this->DB->QUR_SEL($sql);
        if(!$rez['err']&&$rez['kol']){
            foreach($rez['rez'] as $key => $val){
                $tmp['kafedra'] = $val['kafedre_name'];
                $tmp['code'] = $val['kafedre_code'];
                $tmp['prepods'] = $this->prepods_get($val['facultie_name'],$val['kafedre_name']);
                $out[$val['school_name']][$val['facultie_name']][] = $tmp;
            }
        }
        return $out;
    }
    function prepods_get($fakultet,$kafedra){
        $out = array();
        //$sql = 'SELECT id,data_c,data_u,id_user,zvanie,dolgnost,stepen FROM acs_teachers WHERE fakultet="'.$fakultet.'" AND kafedra="'.$kafedra.'"';
        $sql = 'SELECT t.id,t.id_user,t.zvanie,t.dolgnost,t.stepen,u.data_c,u.data_u,u.fio FROM acs_teachers as t, acs_users as u WHERE t.fakultet="'.$fakultet.'" AND t.kafedra="'.$kafedra.'" AND t.id_user=u.id ORDER BY u.fio';
        $rez = $this->DB->QUR_SEL($sql);
        if(!$rez['err']&&$rez['kol']){
            $out = $rez['rez'];
        }
        return $out;
    }
}