Show total and per disc duration

lib/music_brainz/release.ex

@@ -21,6 +21,10 @@ defmodule MusicBrainz.Release do
     Enum.count(release.media)
   end
 
+  def medium_duration(medium) do
+    Enum.sum_by(medium.tracks, fn track -> track.length end)
+  end
+
   def from_api_response(r) do
     %__MODULE__{
       id: r["id"],

lib/music_library_web/live/collection_live/show.ex

@@ -173,4 +173,10 @@ defmodule MusicLibraryWeb.CollectionLive.Show do
 
   defp title_segment(:show), do: gettext("Show")
   defp title_segment(:edit), do: gettext("Edit")
+
+  defp medium_duration(medium) do
+    medium
+    |> MusicBrainz.Release.medium_duration()
+    |> format_duration()
+  end
 end

lib/music_library_web/live/collection_live/show.html.heex

@@ -279,6 +279,7 @@
   id="tracks-sheet"
   placement="right"
   on_open={JS.push("load_release_with_tracks")}
+  open
 >
   <h3 class="text-lg font-semibold mb-4">{gettext("Tracks")}</h3>
 
@@ -326,6 +327,10 @@
             </div>
           </li>
         </ul>
+        <Fluxon.Components.Separator.separator />
+        <p class="text-xs text-right text-zinc-700 dark:text-zinc-300">
+          {medium_duration(medium)}
+        </p>
       </div>
     </.async_result>
   </div>