cli.php

<?php

require_once __DIR__ . "/vendor/autoload.php";

use App\Orders\NewOrderData;
use App\Orders\Order;
use App\Orders\OrderAlreadyExistsError;
use App\Orders\OrderNotFoundError;
use Symfony\Component\Console\Application;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;

if (file_exists(__DIR__ . "/.env")) {
    $_ENV = (Dotenv\Dotenv::createImmutable(__DIR__))
        ->load();
}

$application = new Application(name: "Kata SOLID principles", version: "1.0.0");

$application->register("create-order")
    ->addArgument("id", InputArgument::REQUIRED, "Must be an unsigned integer.")
    ->addOption(
        "value-added-tax",
        "vat",
        InputOption::VALUE_OPTIONAL,
        "Must be between 0.00 and 1.00.",
        Order::DEFAULT_VAT_RATE
    )
    ->setDescription("Create a new order with an ID and a VAT rate.")
    ->setCode(function (InputInterface $input, OutputInterface $output): int {
        try {
            Order::new(
                new NewOrderData(
                    id: $input->getArgument("id"),
                    vat_rate: $input->getOption("value-added-tax"),
                )
            );
        } catch (OrderAlreadyExistsError $e) {
            $output->writeln($e->getMessage());

            return Command::FAILURE;
        }

        $output->writeln(
            "Successfully created order with ID {$input->getArgument("id")}.",
        );

        return Command::SUCCESS;
    });

$application->register("display-order")
    ->addArgument("id", InputArgument::REQUIRED, "Must be an unsigned integer.")
    ->setDescription("Display an order by ID.")
    ->setCode(function (InputInterface $input, OutputInterface $output): int {
        try {
            $order = Order::findById($input->getArgument("id"));
        } catch (OrderNotFoundError $e) {
            $output->writeln($e->getMessage());

            return Command::FAILURE;
        }

        $output->writeln($order);

        return Command::SUCCESS;
    });

$application->register("add-item-to-order")
    ->addArgument("id", InputArgument::REQUIRED, "Must be an unsigned integer.")
    ->addOption(
        "item-name",
        null,
        InputOption::VALUE_REQUIRED,
        "Must be a string."
    )
    ->addOption(
        "item-price",
        null,
        InputOption::VALUE_REQUIRED,
        "Must be a float."
    )
    ->addOption(
        "item-quantity",
        null,
        InputOption::VALUE_REQUIRED,
        "Must be an integer."
    )
    ->setDescription("Add item to order by ID.")
    ->setCode(function (InputInterface $input, OutputInterface $output): int {
        try {
            $order = Order::findById($input->getArgument("id"));
        } catch (OrderNotFoundError $e) {
            $output->writeln($e->getMessage());

            return Command::FAILURE;
        }

        $order->addItem(
            new \App\Orders\ItemData(
                name: $input->getOption("item-name"),
                price: (float)$input->getOption("item-price"),
                quantity: (int)$input->getOption("item-quantity"),
            )
        );

        $output->writeln(
            "Item '{$input->getOption("item-name")}' successfully added to order {$input->getArgument("id")}."
        );

        return Command::SUCCESS;
    });

$application->run();