Add Stripe API Key settings to close #11

Removes the hardcoded API key and replaces it with a new Settings
page in the backend. Also adds a setting for the active keyset,
in case anyone wants to use test mode while in production.

Plugin.php

@@ -99,4 +99,18 @@ public function registerPermissions()
         ];
     }
 
+    public function registerSettings()
+    {
+        return [
+            'settings' => [
+                'label' => 'Stripe Settings',
+                'description' => 'Manage your Stripe API keys.',
+                'category' => 'Shop',
+                'icon' => 'icon-credit-card',
+                'class' => 'Dshoreman\Shop\Models\Settings',
+                'order' => 200,
+            ],
+        ];
+    }
+
 }

models/Settings.php

@@ -0,0 +1,13 @@
+<?php namespace Dshoreman\Shop\Models;
+
+use Model;
+
+class Settings extends Model {
+
+    public $implement = ['System.Behaviors.SettingsModel'];
+
+    public $settingsCode = 'dshoreman_shop_settings';
+
+    public $settingsFields = 'fields.yaml';
+
+}

models/settings/fields.yaml

@@ -0,0 +1,26 @@
+# ===================================
+#  Form Field Definitions
+# ===================================
+
+fields:
+    stripe_active_keys:
+        label: Active Stripe
+        type: dropdown
+        options:
+            test: Development
+            live: Production
+tabs:
+    fields:
+        stripe_test_sec_key:
+            label: Secret Key
+            tab: Development
+        stripe_test_pub_key:
+            label: Publishable Key
+            tab: Development
+
+        stripe_live_sec_key:
+            label: Secret Key
+            tab: Production
+        stripe_live_pub_key:
+            label: Publishable Key
+            tab: Production

routes.php

@@ -1,6 +1,7 @@
 <?php
 
 use DShoreman\Shop\Models\Order as ShopOrder;
+use DShoreman\Shop\Models\Settings;
 
 Route::group(['prefix' => 'shop'], function()
 {
@@ -32,7 +33,9 @@
         $order->shipping_postcode = post('stripeShippingAddressZip');
         $order->shipping_country = post('stripeShippingAddressCountry');
 
-        Stripe::setApiKey('sk_test_NHbBmLzRSL7G06gpyLVraQ2Z');
+        Settings::get('stripe_active_keys') == 'live'
+                 ? Stripe::setApiKey(Settings::get('stripe_live_sec_key'))
+                 : Stripe::setApiKey(Settings::get('stripe_test_sec_key'));
 
         try {
             $charge = Stripe_Charge::create([