+ def conversations(%{assigns: %{user: user}} = conn, params) do
+ participations = Participation.for_user_with_last_activity_id(user, params)
+
+ conversations =
+ Enum.map(participations, fn participation ->
+ ConversationView.render("participation.json", %{participation: participation, user: user})
+ end)
+
+ conn
+ |> add_link_headers(:conversations, participations)
+ |> json(conversations)
+ end
+
+ def conversation_read(%{assigns: %{user: user}} = conn, %{"id" => participation_id}) do
+ with %Participation{} = participation <-
+ Repo.get_by(Participation, id: participation_id, user_id: user.id),
+ {:ok, participation} <- Participation.mark_as_read(participation) do
+ participation_view =
+ ConversationView.render("participation.json", %{participation: participation, user: user})
+
+ conn
+ |> json(participation_view)
+ end
+ end
+