Initial commit

app/models/admin_signed_in_constraint.rb

@@ -0,0 +1,14 @@
+class AdminSignedInConstraint
+  def matches?(request)
+    signed_in?(request) && signed_in_user_is_admin?(request)
+  end
+
+  def signed_in?(request)
+    Oath::Constraints::SignedIn.new.matches?(request)
+  end
+
+  def signed_in_user_is_admin?(request)
+    warden = request.env['warden']
+    warden && warden.user.admin?
+  end
+end