task_php

gistfile1.txt

<?php


# TASK: Refactor the following code.
# Exception: Do not split code into files. Keep everything in one file.

class Zoo {
    private $animals = [];
    private $db;

    public function __construct( $animals, DBMysql $db ) {
        foreach( $animals as $animal ) {
            if( $animal instanceof AnimalInterface ) {
                $this->animals[] = $animal;
            } else {
                throw new Exception("animal is an animal interface");
            }
        }
        $this->db = $db;
    }

    public function foodCosts() {


        mail( "[email protected]", "Costs for food", $costs );
    }

    private function sendEmail(string $to, string $subject, $costs) {
        mail( $to, $subject, $costs );
    }

    public function flyingShow() {
        foreach( $this->animals as $animal ) {
            try{
                $animal->fly();
            } catch( \Exception $e ) {
                // The animal cannot fly.
            }
        }
    }

    public function moveAnimalToEnclosure( $animal, $enclosure ) {
        $animal->setEnclosure = $enclosure;
        $this->db->saveAnimal( $animal );
    }

    // save cost to file
    public function saveFoodCostToFile(): void {
        $cost = $this->calFoodCost();
        $filePath = 'foodcost.txt';
        file_put_contents($filePath, $cost);
    }

    private function calFoodCost() :int
    {
        $costs = 0;
        foreach( $this->animals as $animal ) {
            if( $animal instanceof Lion ) {
                $costs += 100;
            } elseif( $animal instanceof Eagle::class ) {
                $costs += 50;
            } else {
                throw new \Exception( "Don't know animal." );
            }
        }

        return $costs;
    }
}



interface AnimalInterface {
    public function walk(): void;
    public function fly(): void;
    public function setEnclosure($enclosure): void;
}

class Lion implements AnimalInterface {
    private $enclosure;
    public function walk(): void {
        // Implementation does not matter.
    }
    public function fly(): void  {
        throw new \Exception( "Lions can not fly." );
    }
    //set enclouser in here
    public function setEnclosure(string $enclosure)
    {
        $this->enclosure = $enclosure;
    }
}

class Eagle implements AnimalInterface {
    private $enclosure;
    public function walk(): void  {
        // Implementation does not matter.
    }

    public function fly(): void  {
        // Implementation does not matter.
    }

    //set enclouser in here
    public function setEnclosure(string $enclosure)
    {
        $this->enclosure = $enclosure;
    }
}

class DBMysql {
    public function saveAnimal( $animal ) {
        // Implementation does not matter.
    }
}