first upload all files

Modules/Shipping/Providers/ShippingServiceProvider.php

@@ -0,0 +1,59 @@
+<?php
+
+namespace Modules\Shipping\Providers;
+
+use Modules\Shipping\Method;
+use Illuminate\Support\ServiceProvider;
+use Modules\Shipping\Facades\ShippingMethod;
+
+class ShippingServiceProvider extends ServiceProvider
+{
+    /**
+     * Bootstrap the application services.
+     *
+     * @return void
+     */
+    public function boot()
+    {
+        if (! config('app.installed')) {
+            return;
+        }
+
+        $this->registerFreeShipping();
+        $this->registerLocalPickup();
+        $this->registerFlatRate();
+    }
+
+    private function registerFreeShipping()
+    {
+        if (! setting('free_shipping_enabled')) {
+            return;
+        }
+
+        ShippingMethod::register('free_shipping', function () {
+            return new Method('free_shipping', setting('free_shipping_label'), 0);
+        });
+    }
+
+    private function registerLocalPickup()
+    {
+        if (! setting('local_pickup_enabled')) {
+            return;
+        }
+
+        ShippingMethod::register('local_pickup', function () {
+            return new Method('local_pickup', setting('local_pickup_label'), setting('local_pickup_cost'));
+        });
+    }
+
+    private function registerFlatRate()
+    {
+        if (! setting('flat_rate_enabled')) {
+            return;
+        }
+
+        ShippingMethod::register('flat_rate', function () {
+            return new Method('flat_rate', setting('flat_rate_label'), setting('flat_rate_cost'));
+        });
+    }
+}