Initial commit

app/presenters/unreleased_appearances_presenter.rb

@@ -0,0 +1,16 @@
+class UnreleasedAppearancesPresenter
+  def present(unreleased_appearances)
+    UnreleasedData.new(
+      unreleased_appearances: sort(unreleased_appearances),
+    )
+  end
+
+  private
+
+  def sort(unreleased_appearances)
+    unreleased_appearances.sort_by(&:appears_at)
+  end
+
+  class UnreleasedData < Struct.new(:unreleased_appearances, keyword_init: true)
+  end
+end