minor fixes

app/Repositories/Shop/CustomerSaleChannels.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Repositories\Shop;
+
+use App\Models\Shop\CustomerSaleChannel;
+use App\Traits\Model\Basic;
+
+class CustomerSaleChannels
+{
+    use Basic;
+
+    public static function destroyByCustomerAndSaleChannel($customerId, $saleChannelId)
+    {
+        return CustomerSaleChannel::byCustomer($customerId)->bySaleChannel($saleChannelId)->delete();
+    }
+
+    public static function getModel()
+    {
+        return CustomerSaleChannel::query();
+    }
+}