php-oop/interface.php at master · fairuzulum/php-oop · GitHub

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<?php


interface InfoProduk {
		public function getInfoProduk();
}

abstract class Produk {

	protected $judul,
			      $penulis,
				    $penerbit,
				    $harga,
				    $diskon = 0;


	public function __construct($judul = "penerbit", $penulis = "penulis", $penerbit = "penerbit", $harga = 0)
	{
		$this->judul = $judul;
		$this->penulis = $penulis;
		$this->penerbit = $penerbit;
		$this->harga = $harga;
	}

	public function setJudul($judul){
		$this->judul = $judul;
	}

	public function getJudul(){
		return $this->judul;
	}

	public function setPenulis($penulis){
		$this->penulis = $penulis;
	}

	public function getPenulis(){
		return $this->penulis;
	}

	public function setPenerbit($penerbit){
		$this->penerbit = $penerbit;
	}

	public function getPenerbit(){
		return $this->penerbit;
	}

	public function setHarga($harga){
		$this->harga = $harga;
	}

	public function getHarga(){
	 	return $this->harga - ($this->harga * $this->diskon / 100 );
	}

	public function getDiskon(){
		return $this->diskon;
	}

	public function setDiskon($diskon){
		$this->diskon = $diskon;
	}

	public function getLabel()
	{
		return "$this->penulis, $this->penerbit";
	}

	abstract public function getInfo();


}


class Komik extends Produk implements InfoProduk {
	public $jmlHalaman;

	public function __construct($judul = "penerbit", $penulis = "penulis", $penerbit = "penerbit", $harga = 0, $jmlHalaman = 0){
		parent::__construct($judul,  $penulis, $penerbit, $harga);
		$this->jmlHalaman = $jmlHalaman;
	}

  public function getInfo()
	{
		$str = "{$this->judul} | {$this->getLabel()} (Rp. {$this->harga})";
		return $str;
	}


	public function getInfoProduk(){
		$str = "Komik : " . $this->getInfo() . " - {$this->jmlHalaman} Halaman.";
		return $str;
	}
}


class Game extends Produk implements InfoProduk {
	public $waktuMain;

	public function __construct($judul = "penerbit", $penulis = "penulis", $penerbit = "penerbit", $harga = 0, $waktuMain = 0){
		parent::__construct($judul,  $penulis, $penerbit, $harga);
		$this->waktuMain = $waktuMain;
	}

	public function getInfo()
	{
		$str = "{$this->judul} | {$this->getLabel()} (Rp. {$this->harga})";
		return $str;
	}


	public function getInfoProduk()
	{
		$str = "Game : " . $this-> getInfo() . " ~ {$this->waktuMain} jam.";
		return $str;
	}
}


class CetakInfoProduk{

	public $daftarProduk = array();

	public function tambahProduk(Produk $produk){
		$this->daftarProduk[] = $produk;
	}

	public function cetak(){
		$str = "DAFTAR PRODUK : <br>";

		foreach ($this->daftarProduk as $p) {
			$str .= "- {$p->getInfoProduk()} <br>";
		}

		return $str;
	}
}


$produk1 = new Komik("Naruto", "Masashi Kishimoto", "Shonen Jump", 30000, 100);
$produk2 = new Game("Uncharted", "Neil Druckmann", "Sony Computer", 100000, 50);

$cetakProduk = new CetakInfoProduk();
$cetakProduk->tambahProduk($produk1);
$cetakProduk->tambahProduk($produk2);

echo $cetakProduk->cetak();


  ?>