frenzy/lib/frenzy_web/views/layout_view.ex

defmodule FrenzyWeb.LayoutView do
  use FrenzyWeb, :view
  alias Frenzy.{Repo, Group}
  import Ecto.Query

  def user_groups(user) do
    Repo.all(from g in Group, where: g.user_id == ^user.id, preload: [:feeds])
  end

  def title(%{live_module: module} = assigns) do
    try do
      "#{module.title(assigns)} | Frenzy"
    rescue
      _ ->
        "Frenzy"
    end
  end

  def title(assigns) do
    vm = Phoenix.Controller.view_module(assigns[:conn])

    if function_exported?(vm, :title, 2) do
      action = Phoenix.Controller.action_name(assigns[:conn])

      try do
        "#{vm.title(action, assigns)} | Frenzy"
      rescue
        _ ->
          "Frenzy"
      end
    else
      "Frenzy"
    end
  end
end