<?php

namespace models;

use gateways\GatewayChapter;
use classes\Chapter;

class ModelChapter
{
    private $gwChapter;

    public function __construct()
    {
        $this->gwChapter = new GatewayChapter();
    }

    function getChapters()
    {
        $chaptersDataArray = $this->gwChapter->getChapters();
        $chapters = array();
        foreach ($chaptersDataArray as $chapterDataArray) {
            $chapter = new Chapter($chapterDataArray['id'],$chapterDataArray["name"]);
            $chapters[] = $chapter;
        }
        return $chapters;
    }

    function deleteChapter($id)
    {
        $this->gwChapter->deleteChapter($id);
    }

    function addChapter($chapter)
    {
        $this->gwChapter->addChapter($chapter);
    }

    function getChapterByID($id)
    {
        $chapterDataArray = $this->gwChapter->getChapterByID($id);
        $chapter = new Chapter($chapterDataArray['id'],$chapterDataArray['name']);
        return $chapter;
    }

    function updateChapter($id, $chapter)
    {
        $this->gwChapter->updateChapter($id, $chapter);
    }
    public function verifyChapter($chapter)
    {
        $id = $this->gwChapter->verifyChapter($chapter);
        return $id;
    }
}