Tidy up integrations, use contracts

app/Foundation/Providers/IntegrationServiceProvider.php

@@ -11,8 +11,14 @@
 
 namespace CachetHQ\Cachet\Foundation\Providers;
 
+use CachetHQ\Cachet\Integrations\Contracts\Credits as CreditsContract;
+use CachetHQ\Cachet\Integrations\Contracts\Feed as FeedContract;
+use CachetHQ\Cachet\Integrations\Contracts\Releases as ReleasesContract;
 use CachetHQ\Cachet\Integrations\Contracts\System as SystemContract;
+use CachetHQ\Cachet\Integrations\Core\Credits;
+use CachetHQ\Cachet\Integrations\Core\Feed;
 use CachetHQ\Cachet\Integrations\Core\System;
+use CachetHQ\Cachet\Integrations\GitHub\Releases;
 use Illuminate\Contracts\Container\Container;
 use Illuminate\Support\ServiceProvider;
 
@@ -30,7 +36,39 @@ class IntegrationServiceProvider extends ServiceProvider
      */
     public function register()
     {
+        $this->registerCredits();
+        $this->registerFeed();
         $this->registerSystem();
+
+        $this->registerReleases();
+    }
+
+    /**
+     * Register the credits class.
+     *
+     * @return void
+     */
+    protected function registerCredits()
+    {
+        $this->app->singleton(CreditsContract::class, function ($app) {
+            $cache = $app['cache.store'];
+
+            return new Credits($cache);
+        });
+    }
+
+    /**
+     * Register the feed class.
+     *
+     * @return void
+     */
+    protected function registerFeed()
+    {
+        $this->app->singleton(FeedContract::class, function ($app) {
+            $cache = $app['cache.store'];
+
+            return new Feed($cache);
+        });
     }
 
     /**
@@ -44,4 +82,19 @@ class IntegrationServiceProvider extends ServiceProvider
             return new System();
         });
     }
+
+    /**
+     * Register the releases class.
+     *
+     * @return void
+     */
+    protected function registerReleases()
+    {
+        $this->app->singleton(ReleasesContract::class, function ($app) {
+            $cache = $app['cache.store'];
+            $token = $app['config']->get('services.github.token');
+
+            return new Releases($cache, $token);
+        });
+    }
 }