philomena/lib/philomena_web/plugs/advert_plug.ex
2019-12-22 22:13:36 -05:00

27 lines
No EOL
665 B
Elixir

defmodule PhilomenaWeb.AdvertPlug do
alias Philomena.Adverts
alias Plug.Conn
def init([]), do: []
def call(conn, _opts) do
user = conn.assigns.current_user
image = conn.assigns[:image]
show_ads? = show_ads?(user)
conn
|> maybe_assign_ad(image, show_ads?)
end
defp maybe_assign_ad(conn, nil, true),
do: Conn.assign(conn, :advert, Adverts.random_live())
defp maybe_assign_ad(conn, image, true),
do: Conn.assign(conn, :advert, Adverts.random_live_for(image))
defp maybe_assign_ad(conn, _image, _false),
do: conn
defp show_ads?(%{hide_advertisements: false}),
do: true
defp show_ads?(_user),
do: true
end