feat: subscriptions

app/Enums/BillingProductPurpose.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Enums;
+
+use Filament\Support\Contracts\HasColor;
+use Filament\Support\Contracts\HasLabel;
+
+enum BillingProductPurpose: string implements HasColor, HasLabel
+{
+    case SUBSCRIPTION = 'subscription';
+    case CERTIFICATION = 'certification';
+
+    public function getLabel(): string
+    {
+        return match ($this) {
+            self::SUBSCRIPTION => __('enums.billing_product_purpose.subscription'),
+            self::CERTIFICATION => __('enums.billing_product_purpose.certification'),
+        };
+    }
+
+    public function getColor(): string
+    {
+        return match ($this) {
+            self::SUBSCRIPTION => 'info',
+            self::CERTIFICATION => 'success',
+        };
+    }
+}