move into sonardesk

Commerce/Contracts/InventoryProvider.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace Modules\Commerce\Contracts;
+
+use Modules\Commerce\Models\Product;
+
+interface InventoryProvider
+{
+    public function adjust(Product $product, int $quantity, string $reason, ?int $userId = null): void;
+
+    public function available(Product $product): int;
+}

Commerce/Contracts/PaymentProvider.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace Modules\Commerce\Contracts;
+
+use Modules\Commerce\Models\Order;
+
+interface PaymentProvider
+{
+    public function charge(Order $order, array $data = []): array;
+
+    public function refund(Order $order, float $amount): array;
+}

Commerce/Contracts/ShippingProvider.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace Modules\Commerce\Contracts;
+
+interface ShippingProvider
+{
+    public function quote(array $address, float $subtotal): float;
+}

Commerce/Contracts/TaxProvider.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace Modules\Commerce\Contracts;
+
+interface TaxProvider
+{
+    public function calculate(float $subtotal, array $address = []): float;
+}