Fruit and Vegetables

Preface

Found this "test" over at this repository.

Goal

We want to build a service which will take a request.json and:

• Process the file and create two separate collections for Fruits and Vegetables
• Each collection has methods like add(), remove(), list();
• Units have to be stored as grams;
• As a bonus you might consider giving option to decide which units are returned (kilograms/grams);
• As a bonus you might consider how to implement search() method collections;

Approach

To use Declarative instead of Imperative wherever possible.

Imperative;

function getUserEmails($users)
{
    $emails = [];
    
    for ($i = 0; $i < count($users); $i++) {
        $user = $users[$i];
        
        if ($user->email !== null) {
            $emails[] = $user->email;
        }
    }

    return $emails;
}

Declarative;

$emails = $users->filter(fn($item) => $item->email !== null);