Added a has_organisation authorizer check

src/ServicesProvider/ServicesProvider.php

@@ -59,6 +59,20 @@ class ServicesProvider
          * @return \UserFrosting\Sprinkle\Core\Util\ClassMapper
          */
         $container->extend('authorizer', function ($authorizer, $c) {
+            /*
+             * Check if all $user has an $organisation.
+             *
+             * @param  int  $user_id         the id of the requesting user (normally currentUser->id).
+             * @return bool true if $user is a verified member of any organisation.
+             */
+            $authorizer->addCallback('has_organisation', function ($user_id) {
+                $query = Capsule::table('organisation_members')
+                    ->where('user_id', $user_id)
+                    ->where('flag_approved', true);
+
+                return $query->count() > 0;
+            });
+
             /*
              * Check if all $user is a member of $organisation.
              *