Add custom exception with breadcrumbs

Author: crbelaus

dev.exs

@@ -77,7 +77,10 @@ defmodule ErrorTrackerDevWeb.PageController do
 
   def call(_conn, :exception) do
     ErrorTracker.add_breadcrumb("ErrorTrackerDevWeb.PageController.exception")
-    raise "This is a controller exception"
+
+    raise CustomException,
+      message: "This is a controller exception",
+      bread_crumbs: ["First", "Second"]
   end
 
   def call(_conn, :exit) do
@@ -92,6 +95,10 @@ defmodule ErrorTrackerDevWeb.PageController do
   end
 end
 
+defmodule CustomException do
+  defexception [:message, :bread_crumbs]
+end
+
 defmodule ErrorTrackerDevWeb.ErrorView do
   def render("404.html", _assigns) do
     "This is a 404"