lunarphp · glennjacobs · Aug 14, 2025 · Jul 23, 2025 · Jul 23, 2025 · Jul 23, 2025
diff --git a/packages/core/src/Base/Casts/CouponString.php b/packages/core/src/Base/Casts/CouponString.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace Lunar\Base\Casts;
+
+use Illuminate\Contracts\Database\Eloquent\CastsAttributes;
+use Illuminate\Support\Str;
+
+class CouponString implements CastsAttributes
+{
+    public function get($model, $key, $value, $attributes): ?string
+    {
+        return $value ? $this->makeValue($value) : null;
+    }
+
+    public function set($model, $key, $value, $attributes): ?string
+    {
+        return $value ? $this->makeValue($value) : null;
+    }
+
+    protected function makeValue(string $value): string
+    {
+        return Str::upper($value);
+    }
+}
diff --git a/packages/core/src/Models/Cart.php b/packages/core/src/Models/Cart.php
@@ -23,6 +23,7 @@
 use Lunar\Actions\Carts\UpdateCartLine;
 use Lunar\Base\Addressable;
 use Lunar\Base\BaseModel;
+use Lunar\Base\Casts\CouponString;
 use Lunar\Base\LunarUser;
 use Lunar\Base\Purchasable;
 use Lunar\Base\Traits\CachesProperties;
@@ -205,6 +206,7 @@ protected static function newFactory()
     protected $casts = [
         'completed_at' => 'datetime',
         'meta' => AsArrayObject::class,
+        'coupon_code' => CouponString::class,
     ];
 
     public function lines(): HasMany

diff --git a/packages/core/src/Models/Discount.php b/packages/core/src/Models/Discount.php
@@ -8,6 +8,7 @@
 use Illuminate\Database\Eloquent\Relations\HasMany;
 use Illuminate\Support\Arr;
 use Lunar\Base\BaseModel;
+use Lunar\Base\Casts\CouponString;
 use Lunar\Base\Traits\HasChannels;
 use Lunar\Base\Traits\HasCustomerGroups;
 use Lunar\Base\Traits\HasTranslations;
@@ -55,6 +56,7 @@ class Discount extends BaseModel implements Contracts\Discount
         'starts_at' => 'datetime',
         'ends_at' => 'datetime',
         'data' => 'array',
+        'coupon' => CouponString::class,
     ];
 
     /**

diff --git a/tests/core/Unit/DiscountTypes/AbstractDiscountTypeTest.php b/tests/core/Unit/DiscountTypes/AbstractDiscountTypeTest.php
@@ -85,4 +85,4 @@
     $cart->refresh()->calculate();
 
     expect($cart->subTotalDiscounted->value)->toBe(900);
-})->group('waaaa');
+});
diff --git a/tests/core/Unit/Models/CartTest.php b/tests/core/Unit/Models/CartTest.php
@@ -112,7 +112,7 @@
 
     $cart->saveQuietly();
 
-    expect($cart->refresh()->coupon_code)->toEqual('valid-coupon');
+    expect($cart->refresh()->coupon_code)->toEqual('VALID-COUPON');
 });
 
 test('can associate cart with user with no customer attached', function () {