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Pure Elixir HL7 v2.x toolkit — schema-driven parsing, typed segments, message builder, MLLP transport
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lib/hl7v2/type/ddi.ex
defmodule HL7v2.Type.DDI do
@moduledoc """
Daily Deductible Information (DDI) -- HL7v2 composite data type.
Specifies the daily deductible parameters for insurance coverage.
3 components:
1. Delay Days (NM) -- number of delay days before the deductible applies
2. Monetary Amount (MO) -- daily deductible amount (sub-components: quantity & denomination)
3. Number of Days (NM) -- number of days the deductible is in effect
"""
@behaviour HL7v2.Type
alias HL7v2.Type
alias HL7v2.Type.{MO, NM}
defstruct [
:delay_days,
:monetary_amount,
:number_of_days
]
@type t :: %__MODULE__{
delay_days: NM.t() | nil,
monetary_amount: MO.t() | nil,
number_of_days: NM.t() | nil
}
@doc """
Parses a DDI from a list of components.
## Examples
iex> HL7v2.Type.DDI.parse(["3", "100.00&USD", "30"])
%HL7v2.Type.DDI{
delay_days: %HL7v2.Type.NM{value: "3", original: "3"},
monetary_amount: %HL7v2.Type.MO{quantity: "100.00", denomination: "USD"},
number_of_days: %HL7v2.Type.NM{value: "30", original: "30"}
}
iex> HL7v2.Type.DDI.parse([])
%HL7v2.Type.DDI{}
"""
@spec parse(list()) :: t()
def parse(components) when is_list(components) do
%__MODULE__{
delay_days: components |> Type.get_component(0) |> NM.parse(),
monetary_amount: Type.parse_sub(MO, Type.get_component(components, 1)),
number_of_days: components |> Type.get_component(2) |> NM.parse()
}
end
@doc """
Encodes a DDI to a list of component strings.
## Examples
iex> HL7v2.Type.DDI.encode(%HL7v2.Type.DDI{delay_days: %HL7v2.Type.NM{value: "3", original: "3"}, number_of_days: %HL7v2.Type.NM{value: "30", original: "30"}})
["3", "", "30"]
iex> HL7v2.Type.DDI.encode(nil)
[]
"""
@spec encode(t() | nil) :: list()
def encode(nil), do: []
def encode(%__MODULE__{} = ddi) do
[
NM.encode(ddi.delay_days),
Type.encode_sub(MO, ddi.monetary_amount),
NM.encode(ddi.number_of_days)
]
|> Type.trim_trailing()
end
end