53 lines
1.8 KiB
Elixir
53 lines
1.8 KiB
Elixir
defmodule IbanEx.Country do
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import IbanEx.Commons, only: [normalize: 1]
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@type country_code() :: <<_::16>> | atom()
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@type error_tuple() :: {:error, atom()}
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@supported_countries %{
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"AT" => IbanEx.Country.AT,
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"BE" => IbanEx.Country.BE,
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"BG" => IbanEx.Country.BG,
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"CH" => IbanEx.Country.CH,
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"CY" => IbanEx.Country.CY,
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"CZ" => IbanEx.Country.CZ,
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"DE" => IbanEx.Country.DE,
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"DK" => IbanEx.Country.DK,
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"ES" => IbanEx.Country.ES,
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"EE" => IbanEx.Country.EE,
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"FR" => IbanEx.Country.FR,
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"FI" => IbanEx.Country.FI,
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"GB" => IbanEx.Country.GB,
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"HR" => IbanEx.Country.HR,
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"LT" => IbanEx.Country.LT,
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"LU" => IbanEx.Country.LU,
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"LV" => IbanEx.Country.LV,
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"MT" => IbanEx.Country.MT,
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"NL" => IbanEx.Country.NL,
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"PL" => IbanEx.Country.PL,
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"PT" => IbanEx.Country.PT,
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"UA" => IbanEx.Country.UA
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}
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@supported_country_codes Map.keys(@supported_countries)
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@spec supported_countries() :: map()
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defp supported_countries(), do: @supported_countries
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@spec supported_country_codes() :: [country_code()] | []
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def supported_country_codes(), do: @supported_country_codes
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@spec country_module(country_code) :: Module.t() | error_tuple()
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def country_module(country_code) when is_binary(country_code) or is_atom(country_code) do
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normalized_country_code = normalize(country_code)
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case is_country_code_supported?(normalized_country_code) do
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true -> supported_countries()[normalized_country_code]
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_ -> {:error, :unsupported_country_code}
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end
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end
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@spec is_country_code_supported?(country_code()) :: boolean()
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def is_country_code_supported?(country_code) when is_binary(country_code) or is_atom(country_code),
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do: Enum.member?(@supported_country_codes, normalize(country_code))
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end
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