CCoffeemachine.php

<?php
/**
 * Description of CCoffeemachine
 *
 * @author Katie
 */
class CCoffeemachine {

    private $color;
    private $consumption;
    private $timer;
    private $coffeefilter = NULL;
    private $isFilterUsed = false;
    private $coffeepowder = NULL;
    private $coffee = false;
    private $powderLimit = 3;

    function __construct($color, $consumption, $timer) {
        $this->color = $color;
        $this->consumption = $consumption;
        $this->timer = $timer;
    }

    function __destruct() {

    }

    public function insertFilter($_coffeefilter) {
        $this->coffeefilter = $_coffeefilter;
        $this->isFilterUsed = false;
        return $this->isFilterUsed;
    }

    public function insertPowder($_coffeepowder) {
        if ($this->coffeefilter != NULL && $this->powderLimit != 0) {
            $this->coffeepowder = $_coffeepowder;
            $this->powderLimit = $this->powderLimit - 1;
        }
    }

    public function makeCoffee() {
        $_coffeefilter = true;
        $_coffeepowder = true;

        if ($this->coffeefilter != NULL && $this->coffeepowder != NULL) {
            if ($this->isFilterUsed == false) {
                $this->coffee = true;
                return $this->isFilterUsed = true;
            } else {
                echo "Kaffeemaschine: Bitte wechsel den Filter aus! Schimmeliger Kaffee schmeckt nicht!<br>";
            }
        } else if ($this->coffeefilter == NULL && $this->coffeepowder != NULL) {
            echo "Kaffeemaschine: Alles muss man alleine machen! Du hast den Filter vergessen... *Filter einleg*<br>";
            self::insertFilter($_coffeefilter);
            if ($this->isFilterUsed == false) {
                $this->coffee = true;
                return $this->isFilterUsed = true;
            } else {
                echo "Kaffeemaschine: Bitte wechsel den Filter aus! Schimmeliger Kaffee schmeckt nicht!<br>";
            }
        } else if ($this->coffeefilter != NULL && $this->coffeepowder == NULL) {
            echo "Kaffeemaschine: Wie soll ich denn nur mit Wasser und Filter Kaffee kochen? Alles muss man alleine machen! *Puder einfüll*<br>";
            self::insertPowder($_coffeepowder);

            if ($this->isFilterUsed == false) {
                $this->coffee = true;
                return $this->isFilterUsed = true;
            } else {
                echo "Kaffeemaschine: Bitte wechsel den Filter aus! Schimmeliger Kaffee schmeckt nicht!<br>";
            }
        } else if ($this->coffeefilter == NULL && $this->coffeepowder == NULL) {
            echo "Kaffeemaschine: Ihr Menschen seid doch immer gleich! Alles muss man alleine machen! Du hast den Filter UND das Puder vergessen... *Filter und Kaffeepuder einleg*<br>";
            self::insertFilter($_coffeefilter);
            self::insertPowder($_coffeepowder);

            if ($this->isFilterUsed == false) {
                $this->coffee = true;
                return $this->isFilterUsed = true;
            } else {
                echo "Kaffeemaschine: Bitte wechsel den Filter aus! Schimmeliger Kaffee schmeckt nicht!<br>";
            }
        } else {
            echo "Kaffeemaschine: Filter? Puder? Was willst du von mir?<br>";
        }
    }

}

class CEspressomachine extends CCoffeemachine {

    private $needsCleaning = false;
    private $milk = NULL;
    private $foam = false;

}

?>