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Divide rate with 100

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Needed for the calculation to be correct according to the documentation. `$money->addTax(20)` and not `$money->addTax(0.2)`
This commit is contained in:
Mikael Dalholm 2021-12-28 11:45:02 +01:00
parent 8ca21240df
commit 356aad9cc6
2 changed files with 6 additions and 6 deletions
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4
src/Money.php
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@ -115,7 +115,7 @@ final class Money implements JsonSerializable, Arrayable, Wireable
public function addFee(float $rate): self
{
return $this->multiplyBy(
round(1 + $rate, $this->currency->mathDecimals())
round(1 + ($rate / 100), $this->currency->mathDecimals())
);
}
@ -129,7 +129,7 @@ final class Money implements JsonSerializable, Arrayable, Wireable
public function subtractFee(float $rate): self
{
return $this->divideBy(
round(1 + $rate, $this->currency->mathDecimals())
round(1 + ($rate / 100), $this->currency->mathDecimals())
);
}

8
tests/Pest/MoneyTest.php
View file

@ -104,19 +104,19 @@ test('money can be divided', function () {
test('fees can be added to and subtracted from money', function () {
$money = Money::fromDecimal(10.0);
expect($money->addFee(0.1)->decimal())->toBe(11.0);
expect($money->subtractFee(0.1)->decimal())->toBe(9.09); // 10/1.1
expect($money->addFee(10)->decimal())->toBe(11.0);
expect($money->subtractFee(10)->decimal())->toBe(9.09); // 10/1.1
});
test('taxes can be added and subtracted from money', function () {
currencies()->add([CZK::class]);
expect(
Money::fromDecimal(100.0, 'CZK')->addTax(0.21)->decimal()
Money::fromDecimal(100.0, 'CZK')->addTax(21.0)->decimal()
)->toBe(121.0);
expect(
Money::fromDecimal(121.0, 'CZK')->subtractTax(0.21)->decimal()
Money::fromDecimal(121.0, 'CZK')->subtractTax(21.0)->decimal()
)->toBe(100.0);
});