<?php
/**
 * Data manipulation for the terms
 */
 class TermsModel{

     /**
      * get html version form terms and conditions
      * @return string html string for terms and conditions
      */
     public function getTermsHTML($idTerms){
         global $database;
         $extraSql = intval($idTerms) === 0 ? "ORDER BY id DESC" : "WHERE id=$idTerms";

         $sql = "SELECT html, version
                FROM ".TABLES['terms']."
                $extraSql
                LIMIT 1";
         $row = $database->fetchResultArray($sql);

         return !empty($row) ? $row[0] : [];
     }

     /**
      * get pdf version for terms and conditions
      * @return bloob hex for pdf file
      */
     public function pdfTerms($idTerms){
         global $database;
         $extraSql = intval($idTerms) === 0 ? "ORDER BY id DESC" : "WHERE id=$idTerms";

         $sql = "SELECT pdf
                FROM ".TABLES['terms']."
                $extraSql
                LIMIT 1";
         $pdf = $database->fetchResultArray($sql);

         return !empty($pdf) ? $pdf[0]['pdf'] : 'invalid pdf';
     }
 }