better error tracker grouping

Author: grzuy

lib/tower_error_tracker/reporter.ex

@@ -1,11 +1,3 @@
-defmodule TowerErrorTracker.ReportedMessage do
-  defexception [:level, :message]
-
-  def message(%{level: level, message: message}) do
-    "[#{level}] #{message}"
-  end
-end
-
 defmodule TowerErrorTracker.Reporter do
   @moduledoc false
 
@@ -28,8 +20,8 @@ defmodule TowerErrorTracker.Reporter do
   end
 
   def report_event(%Tower.Event{kind: :message, reason: reason, level: level} = event) do
-    TowerErrorTracker.ReportedMessage.exception(level: level, message: reason)
-    |> ErrorTracker.report([], context(event))
+    message = "[#{level}] #{reason}"
+    ErrorTracker.report({"message #{:erlang.phash2(message)}", message}, [], context(event))
 
     :ok
   end

test/tower_error_tracker_test.exs

@@ -228,11 +228,14 @@ defmodule TowerErrorTrackerTest do
       end)
     end)
 
+    expected_reason = "[emergency] Panic!"
+    expected_kind = "message #{:erlang.phash2(expected_reason)}"
+
     assert_eventually(
       [
         %{
-          kind: "Elixir.TowerErrorTracker.ReportedMessage",
-          reason: "[emergency] Panic!",
+          kind: ^expected_kind,
+          reason: ^expected_reason,
           occurrences: [_]
         }
       ] = TestApp.Repo.all(ErrorTracker.Error) |> TestApp.Repo.preload(:occurrences)