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lib/model/installment_option.ex
defmodule Iyzico.InstallmentOption do
@moduledoc """
A module representing installment options to be applied on a payment.
"""
@enforce_keys ~w(per_month_price stages)a
defstruct [
:per_month_price,
:stages
]
@typedoc """
Represents an installment option of a payment.
## Fields
- `:per_month_price`: Price to be paid per month.
- `:stages`: The number of stages incurred.
"""
@type t :: %__MODULE__{
per_month_price: number,
stages: integer
}
@doc """
Returns total price for given installment option.
"""
@spec get_total_price(Iyzico.InstallmentOption.t) ::
number
def get_total_price(opt = %Iyzico.InstallmentOption{}) do
opt.per_month_price * opt.stages
end
end