feat: includes event id in message body (#4)

lib/tower/email/message.ex

@@ -1,13 +1,13 @@
 defmodule Tower.Email.Message do
   @subject_max_length 120
 
-  def new(kind, reason, stacktrace \\ nil) do
+  def new(id, kind, reason, stacktrace \\ nil) do
     Swoosh.Email.new(
       to: Application.fetch_env!(:tower_email, :to),
       from: Application.get_env(:tower_email, :from, {"Undefined From", "[email protected]"}),
       subject: truncate(subject(kind, reason), @subject_max_length),
-      html_body: html_body(kind, reason, stacktrace),
-      text_body: text_body(kind, reason, stacktrace)
+      html_body: html_body(id, kind, reason, stacktrace),
+      text_body: text_body(id, kind, reason, stacktrace)
     )
   end
 
@@ -55,8 +55,12 @@ defmodule Tower.Email.Message do
         <% end %>
       </code>
     <% end %>
+
+    <p>
+      ID: <%= id %>
+    </p>
     """,
-    [:kind, :reason, :stacktrace]
+    [:id, :kind, :reason, :stacktrace]
   )
 
   EEx.function_from_string(
@@ -68,7 +72,8 @@ defmodule Tower.Email.Message do
       <%= if stacktrace do %>
         <%= Exception.format_stacktrace(stacktrace) %>
       <% end %>
+      id: <%= id %>
     """,
-    [:kind, :reason, :stacktrace]
+    [:id, :kind, :reason, :stacktrace]
   )
 end

lib/tower/email/reporter.ex

@@ -2,32 +2,32 @@ defmodule Tower.Email.Reporter do
   @behaviour Tower.Reporter
 
   @impl true
-  def report_event(%Tower.Event{kind: :error, reason: exception, stacktrace: stacktrace}) do
-    send_email(inspect(exception.__struct__), Exception.message(exception), stacktrace)
+  def report_event(%Tower.Event{kind: :error, id: id, reason: exception, stacktrace: stacktrace}) do
+    send_email(id, inspect(exception.__struct__), Exception.message(exception), stacktrace)
   end
 
-  def report_event(%Tower.Event{kind: :throw, reason: reason, stacktrace: stacktrace}) do
-    send_email("Uncaught throw", reason, stacktrace)
+  def report_event(%Tower.Event{kind: :throw, id: id, reason: reason, stacktrace: stacktrace}) do
+    send_email(id, "Uncaught throw", reason, stacktrace)
   end
 
-  def report_event(%Tower.Event{kind: :exit, reason: reason, stacktrace: stacktrace}) do
-    send_email("Exit", reason, stacktrace)
+  def report_event(%Tower.Event{kind: :exit, id: id, reason: reason, stacktrace: stacktrace}) do
+    send_email(id, "Exit", reason, stacktrace)
   end
 
-  def report_event(%Tower.Event{kind: :message, level: level, reason: message}) do
+  def report_event(%Tower.Event{kind: :message, id: id, level: level, reason: message}) do
     m =
       if is_binary(message) do
         message
       else
         inspect(message)
       end
 
-    send_email("[#{level}] #{m}", "")
+    send_email(id, "[#{level}] #{m}", "")
   end
 
-  defp send_email(kind, reason, stacktrace \\ nil) do
+  defp send_email(id, kind, reason, stacktrace \\ nil) do
     {:ok, _} =
-      Tower.Email.Message.new(kind, reason, stacktrace)
+      Tower.Email.Message.new(id, kind, reason, stacktrace)
       |> Tower.Email.Mailer.deliver()
 
     :ok