mebe/web/web.ex

defmodule MebeWeb.Web do
  @moduledoc """
  A module that keeps using definitions for controllers,
  views and so on.

  This can be used in your application as:

      use MebeWeb.Web, :controller
      use MebeWeb.Web, :view

  The definitions below will be executed for every view,
  controller, etc, so keep them short and clean, focused
  on imports, uses and aliases.

  Do NOT define functions inside the quoted expressions
  below.
  """

  alias MebeWeb.Utils

  def controller do
    quote do
      use Phoenix.Controller

      # Import URL helpers from the router
      import MebeWeb.Router.Helpers
    end
  end

  def view do
    quote do
      default_root = "web/templates"

      # Check if we should be using a custom template
      # TODO: Enable custom views even for releases, currently always set to off
      # because they use compile time configuration
      custom_templates = Utils.get_conf(:custom_templates)
      compiled_view = MebeWeb.Web.module_to_str(__MODULE__)

      root = if Map.get(custom_templates, compiled_view) do
        default_root <> "/custom"
      else
        default_root
      end

      use Phoenix.View, root: root

      # Import URL helpers from the router
      import MebeWeb.Router.Helpers

      # Use all HTML functionality (forms, tags, etc)
      use Phoenix.HTML

      # Custom helpers
      import MebeWeb.Utils, only: [get_author: 1, slugify: 1, unslugify_author: 1]

      # DateTime functionality
      alias Calendar.DateTime
      import Calendar.Strftime
    end
  end

  @doc """
  When used, dispatch to the appropriate controller/view/etc.
  """
  defmacro __using__(which) when is_atom(which) do
    apply(__MODULE__, which, [])
  end

  def module_to_str(module) do
    module
      |> Atom.to_string
      |> String.split(".")
      |> List.last
  end
end