gram: op

> ./lib/op_web/live/gram/node.ex

Lenses
(coming soon!)

defmodule OpWeb.Gram.Node do
  use OpWeb, :live_view
  # Oh no; seems a simple `Path.extname` scan is a really unreliable means
  # of applying lenses here; some common node names break such a procedure:
  # - .gitignore
  # - Cargo.lock, flake.lock, Gemfile.lock
  # - Procfile
  # each one is a special case and needs pre-recognicion,
  # so lenses can be assigned more precisely.
  @lenses %{
    # "md" => ~w[ a b c ],
  }

  @impl true
  def mount(_params, _session, socket) do
    # (socket |> get_connect_params)["colorscheme"] |> IO.inspect
    {:ok, socket}
  end

  @impl true
  def handle_params(%{"base" => base, "address" => address}, _, socket) do
    lenses = case address |> Path.extname do
      "." <> s -> @lenses |> Map.get(s)
      "" -> []; end

    {:noreply,
      socket
      |> assign(:page_title, "gram:" <> base <> " | Operand")
      |> assign(:base, System.get_env("GRAM_BASE") <> base)
      |> assign(:address, address |> Enum.join("/"))
      # |> assign(:shape, shape)
      |> assign(:lenses, lenses)
    }
  end
end