Fixes archtechx#9

dalholm · Dec 30, 2021 · 35f6de2 · 35f6de2
1 parent 4474c2b
commit 35f6de2
Show file tree

Hide file tree

Showing 2 changed files with 12 additions and 2 deletions.
diff --git a/src/Money.php b/src/Money.php
@@ -233,14 +233,14 @@ public function valueInDefaultCurrency(): int
     }
 
     /** Convert the money to a different currency. */
-    public function convertTo(Currency|string $currency): self
+    public function convertTo(Currency|string $currency, float $rate = null): self
     {
         // We're converting from the current currency to the default currency, and then to the intended currency
         $newCurrency = currency($currency);
         $mathDecimalDifference = $newCurrency->mathDecimals() - currencies()->getDefault()->mathDecimals();
 
         return new static(
-            (int) round($this->valueInDefaultCurrency() * $newCurrency->rate() * 10 ** $mathDecimalDifference, 0),
+            (int) round($this->valueInDefaultCurrency() * ($rate ?: $newCurrency->rate()) * 10 ** $mathDecimalDifference, 0),
             $currency
         );
     }

diff --git a/tests/Pest/CurrencyManagerTest.php b/tests/Pest/CurrencyManagerTest.php
@@ -126,6 +126,16 @@
     )->toBe('0.54 €');
 });
 
+test('change currency rate on convertion', function () {
+    currencies()->add([new CZK(rate: 1), new EUR(rate: 0.5)]);
+
+    currencies()->setDefault(CZK::class);
+
+    expect(
+        money(200, 'CZK')->convertTo(EUR::class)->formatted()
+    )->toBe('1.00 €');
+});
+
 test('the getCode method accepts any currency format', function () {
     expect(currencies()->getCode(USD::class))->toBe('USD');
     expect(currencies()->getCode(new USD))->toBe('USD');