Update AppServiceProvider

app/Providers/AppServiceProvider.php

@@ -3,7 +3,9 @@
 namespace App\Providers;
 
 use App\User;
+use Auth, Horizon;
 use App\Observers\UserObserver;
+use Illuminate\Support\Facades\Blade;
 use Illuminate\Support\ServiceProvider;
 
 class AppServiceProvider extends ServiceProvider
@@ -15,7 +17,37 @@ class AppServiceProvider extends ServiceProvider
      */
     public function boot()
     {
-       User::observe(UserObserver::class);
+        User::observe(UserObserver::class);
+
+        Horizon::auth(function ($request) {
+            return Auth::check() && $request->user()->is_admin;
+        });
+
+        Blade::directive('prettyNumber', function($expression) {
+            $num = $expression;
+            $abbrevs = array(12 => "T", 9 => "B", 6 => "M", 3 => "K", 0 => "");
+            foreach($abbrevs as $exponent => $abbrev) {
+                if($expression >= pow(10, $exponent)) {
+                  $display_num = $expression / pow(10, $exponent);
+                  $num = number_format($display_num,0) . $abbrev;
+                  return "<?php echo '$num'; ?>";
+                }
+            }
+            return "<?php echo $num; ?>";
+        });
+
+        Blade::directive('prettySize', function($expression) {
+
+            $size = intval($expression);
+            $precision = 0;
+            $short = true;
+            $units = $short ?
+                ['B','k','M','G','T','P','E','Z','Y'] :
+                ['B','kB','MB','GB','TB','PB','EB','ZB','YB'];
+            for($i = 0; ($size / 1024) > 0.9; $i++, $size /= 1024) {}
+            $res = round($size, $precision).$units[$i];
+            return "<?php echo '$res'; ?>";
+        });
     }
 
     /**