1 files changed, 34 insertions, 0 deletions
diff --git a/app/controllers/controller_extension/errors.rb b/app/controllers/controller_extension/errors.rb
new file mode 100644
index 0000000..8f8edde
--- /dev/null
+++ b/app/controllers/controller_extension/errors.rb
@@ -0,0 +1,34 @@
+module ControllerExtension::Errors
+  extend ActiveSupport::Concern
+
+  protected
+
+  def access_denied
+    respond_to_error :not_authorized, :forbidden, home_url
+  end
+
+  def login_required
+    # Warden will intercept the 401 response and call
+    # SessionController#unauthenticated instead.
+    respond_to_error :not_authorized_login, :unauthorized, login_url
+  end
+
+  def not_found
+    respond_to_error :not_found, :not_found, home_url
+  end
+
+
+  def respond_to_error(message, status=nil, redirect=nil)
+    error = message
+    message = t(message) if message.is_a?(Symbol)
+    respond_to do |format|
+      format.html do
+        redirect_to redirect, alert: message
+      end
+      format.json do
+        status ||= :unprocessable_entity
+        render json: {error: error, message: message}, status: status
+      end
+    end
+  end
+end