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Desafio-apiki #168

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2 changes: 1 addition & 1 deletion codeception.yml
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Expand Up @@ -17,4 +17,4 @@ paths:

settings:
shuffle: false
lint: true
lint: true
2 changes: 1 addition & 1 deletion composer.json
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Expand Up @@ -3,7 +3,7 @@
"description": "Desafio para candidatos a back-end.",
"type": "project",
"require": {
"php": ">= 7.4"
"php": ">= 8.2"
},
"require-dev": {
"squizlabs/php_codesniffer": "^3.4",
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44 changes: 44 additions & 0 deletions src/CurrencyConverter.php
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@@ -0,0 +1,44 @@
<?php

namespace App;

/**
* Class CurrencyConverter
*
* Classe responsável por converter valores entre diferentes moedas.
*
* @package App
*/
class CurrencyConverter
{
const CURRENCY_BRL = 'BRL';
const CURRENCY_USD = 'USD';
const CURRENCY_EUR = 'EUR';

/**
* Converte o valor de uma moeda para outra com base na taxa de conversão.
*
* @param float $amount Valor a ser convertido.
* @param string $fromCurrency Moeda de origem.
* @param string $toCurrency Moeda de destino.
* @param float $rate Taxa de conversão.
*
* @return float Valor convertido.
* @throws \InvalidArgumentException
*/
public function convert(float $amount, string $fromCurrency, string $toCurrency, float $rate): float
{
if ($amount <= 0 || $rate <= 0) {
throw new \InvalidArgumentException("Invalid amount or rate.");
}

if (!in_array($fromCurrency, [self::CURRENCY_BRL, self::CURRENCY_USD, self::CURRENCY_EUR], true) ||
!in_array($toCurrency, [self::CURRENCY_BRL, self::CURRENCY_USD, self::CURRENCY_EUR], true)) {
throw new \InvalidArgumentException("Invalid currency.");
}

$convertedAmount = $amount * $rate;

return round($convertedAmount, 2);
}
}
54 changes: 54 additions & 0 deletions src/Router.php
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@@ -0,0 +1,54 @@
<?php

namespace App;

/**
* Class Router
*
* Classe responsável por realizar o roteamento da URL da requisição.
*
* @package App
*/
class Router
{
/**
* Realiza o roteamento da URL da requisição.
*
* @param string $url URL da requisição.
*
* @return array Dados da requisição roteada (amount, fromCurrency, toCurrency, rate).
* @throws \InvalidArgumentException Caso a ação seja inválida, o número de parâmetros seja inválido,
* ou o valor ou taxa sejam inválidos.
*/
public function route(string $url): array
{
$urlParts = explode('/', trim($url, '/'));
$action = array_shift($urlParts);

if ($action !== 'exchange') {
throw new \InvalidArgumentException("Invalid action.");
}

if (count($urlParts) !== 4) {
throw new \InvalidArgumentException("Invalid number of parameters.");
}

list($amount, $fromCurrency, $toCurrency, $rate) = $urlParts;

if (!is_numeric($amount) || !is_numeric($rate)) {
throw new \InvalidArgumentException("Invalid amount or rate.");
}

// Optionally validate currencies here if needed
// Example: if (!in_array($fromCurrency, ['BRL', 'USD', 'EUR']) || !in_array($toCurrency, ['BRL', 'USD', 'EUR'])) {
// throw new \InvalidArgumentException("Invalid currency.");
// }

return [
'amount' => (float) $amount,
'fromCurrency' => strtoupper($fromCurrency),
'toCurrency' => strtoupper($toCurrency),
'rate' => (float) $rate,
];
}
}
40 changes: 36 additions & 4 deletions src/index.php
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Expand Up @@ -2,17 +2,49 @@
/**
* Back-end Challenge.
*
* PHP version 7.4
*
* Este será o arquivo chamado na execução dos testes automátizados.
* PHP version 8.2
*
* @category Challenge
* @package Back-end
* @author Seu Nome <seu-email@seu-provedor.com>
* @author Guilherme Pontes <jgmarinhopontes@hotmail.com>
* @license http://opensource.org/licenses/MIT MIT
* @link https://github.com/apiki/back-end-challenge
*/
declare(strict_types=1);

namespace App;

require __DIR__ . '/../vendor/autoload.php';

$router = new Router();
$currencyConverter = new CurrencyConverter();

try {
$requestData = $router->route($_SERVER['REQUEST_URI']);

// Validação adicional pode ser adicionada aqui, se necessário
if (!isset($requestData['amount'], $requestData['fromCurrency'], $requestData['toCurrency'], $requestData['rate'])) {
throw new \InvalidArgumentException("Missing required parameters.");
}

$convertedAmount = $currencyConverter->convert(
$requestData['amount'],
$requestData['fromCurrency'],
$requestData['toCurrency'],
$requestData['rate']
);

$response = [
'valorConvertido' => $convertedAmount,
'simboloMoeda' =>
$requestData['toCurrency'] === CurrencyConverter::CURRENCY_USD
? '$'
: 'R$',
];

header('Content-Type: application/json');
echo json_encode($response);
} catch (\InvalidArgumentException $e) {
header("HTTP/1.1 400 Bad Request");
echo json_encode(['error' => $e->getMessage()]);
}
17 changes: 16 additions & 1 deletion tests/ApiCest.php
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@@ -1,76 +1,88 @@
<?php

class ApiCest
{
// Testa a API sem fornecer o valor
public function tryApiWithoutValue(ApiTester $I)
{
$I->sendGET('/');
$I->seeResponseCodeIs(400);
$I->seeResponseIsJson();
}

// Testa a API sem fornecer a moeda de origem
public function tryApiWithoutFrom(ApiTester $I)
{
$I->sendGET('/10');
$I->seeResponseCodeIs(400);
$I->seeResponseIsJson();
}

// Testa a API sem fornecer a moeda de destino
public function tryApiWithoutTo(ApiTester $I)
{
$I->sendGET('/10/EUR');
$I->seeResponseCodeIs(400);
$I->seeResponseIsJson();
}

// Testa a API sem fornecer a taxa de conversão
public function tryApiWithoutRate(ApiTester $I)
{
$I->sendGET('/10/EUR/USD');
$I->seeResponseCodeIs(400);
$I->seeResponseIsJson();
}

// Testa a API com valor inválido
public function tryApiInvalidValue(ApiTester $I)
{
$I->sendGET('/a/EUR/USD/0.5');
$I->seeResponseCodeIs(400);
$I->seeResponseIsJson();
}

// Testa a API com valor negativo
public function tryApiNegativeValue(ApiTester $I)
{
$I->sendGET('/-10/EUR/USD/0.5');
$I->seeResponseCodeIs(400);
$I->seeResponseIsJson();
}

// Testa a API com moeda de origem inválida
public function tryApiInvalidFrom(ApiTester $I)
{
$I->sendGET('/10/eur/USD/0.5');
$I->seeResponseCodeIs(400);
$I->seeResponseIsJson();
}

// Testa a API com moeda de destino inválida
public function tryApiInvalidTo(ApiTester $I)
{
$I->sendGET('/10/EUR/usd/0.5');
$I->seeResponseCodeIs(400);
$I->seeResponseIsJson();
}

// Testa a API com taxa de conversão inválida
public function tryApiInvalidRate(ApiTester $I)
{
$I->sendGET('/10/EUR/USD/a');
$I->seeResponseCodeIs(400);
$I->seeResponseIsJson();
}

// Testa a API com taxa de conversão negativa
public function tryApiNegativeRate(ApiTester $I)
{
$I->sendGET('/10/EUR/USD/-0.5');
$I->seeResponseCodeIs(400);
$I->seeResponseIsJson();
}

// Testa a conversão de BRL para USD
public function tryApiBrlToUsd(ApiTester $I)
{
$I->sendGET('/7.8/BRL/USD/0.5');
Expand All @@ -82,6 +94,7 @@ public function tryApiBrlToUsd(ApiTester $I)
]);
}

// Testa a conversão de USD para BRL
public function tryApiUsdToBrl(ApiTester $I)
{
$I->sendGET('/7/USD/BRL/0.5');
Expand All @@ -93,6 +106,7 @@ public function tryApiUsdToBrl(ApiTester $I)
]);
}

// Testa a conversão de BRL para EUR
public function tryApiBrlToEur(ApiTester $I)
{
$I->sendGET('/7/BRL/EUR/5');
Expand All @@ -104,6 +118,7 @@ public function tryApiBrlToEur(ApiTester $I)
]);
}

// Testa a conversão de EUR para BRL
public function tryApiEurToBrl(ApiTester $I)
{
$I->sendGET('/7/EUR/BRL/5');
Expand All @@ -114,4 +129,4 @@ public function tryApiEurToBrl(ApiTester $I)
'simboloMoeda' => 'R$',
]);
}
}
}
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