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defmodule PowerDNSex.Config do
defstruct [:url, :token, timeout: 60]
alias PowerDNSex.Config
def data do
set_attr_value = &Map.update!(&2, &1, get_key(&1))
%Config{}
|> Map.from_struct()
|> Map.keys()
|> Enum.reduce(%Config{}, set_attr_value)
end
def powerdns_url do
url = data().url
if String.ends_with?(url, "/"), do: url, else: url <> "/"
end
def powerdns_token, do: data().token
def powerdns_timeout, do: :timer.seconds(data().timeout)
def valid?(), do: powerdns_url() && powerdns_token()
###
# Private
###
defp get_key(key) do
fn default ->
case Application.fetch_env(:powerdnsex, key) do
{:ok, {:system, env_var_name}} ->
System.get_env(env_var_name)
{:ok, value} ->
value
_ when default != nil ->
default
_ ->
raise "[PowerDNSex] PowerDNS #{Atom.to_string(key)} not configured."
end
end
end
end
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