iban-ex/lib/iban_ex/deserialize.ex

79 lines
2.2 KiB
Elixir

defprotocol IbanEx.Deserialize do
@type iban() :: IbanEx.Iban.t()
@type iban_or_error() ::
iban()
| {:invalid_checksum, binary()}
| {:invalid_format, binary()}
| {:invalid_length, binary()}
| {:can_not_parse_map, binary()}
| {:unsupported_country_code, binary()}
@spec to_iban(t()) :: iban_or_error()
def to_iban(value)
end
defimpl IbanEx.Deserialize, for: [BitString, String] do
alias IbanEx.{Parser, Error}
@type iban() :: IbanEx.Iban.t()
@type iban_or_error() ::
iban()
| {:invalid_checksum, binary()}
| {:invalid_format, binary()}
| {:invalid_length, binary()}
| {:can_not_parse_map, binary()}
| {:unsupported_country_code, binary()}
def to_iban(string) do
case Parser.parse(string) do
{:ok, iban} -> iban
{:error, error_code} -> {error_code, Error.message(error_code)}
end
end
end
defimpl IbanEx.Deserialize, for: Map do
alias IbanEx.{Iban, Error}
@type iban() :: IbanEx.Iban.t()
@type iban_or_error() ::
iban()
| {:invalid_checksum, binary()}
| {:invalid_format, binary()}
| {:invalid_length, binary()}
| {:can_not_parse_map, binary()}
| {:unsupported_country_code, binary()}
def to_iban(
%{
country_code: _country_code,
check_digits: _check_sum_digits,
bank_code: _bank_code,
branch_code: _branch_code,
national_check: _national_check,
account_number: _account_number
} = map
) do
struct(Iban, map)
end
def to_iban(
%{
"country_code" => _country_code,
"check_digits" => _check_sum_digits,
"bank_code" => _bank_code,
"branch_code" => _branch_code,
"national_check" => _national_check,
"account_number" => _account_number
} = map
) do
atomized_map = for {key, val} <- map, into: %{}, do: {String.to_atom(key), val}
to_iban(atomized_map)
end
def to_iban(map) when is_map(map), do: {:can_not_parse_map, Error.message(:can_not_parse_map)}
end
defimpl IbanEx.Deserialize, for: List do
alias IbanEx.Iban
def to_iban(list), do: struct(Iban, Map.new(list))
end