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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/moc.ex
defmodule HL7v2.Type.MOC do
@moduledoc """
Money and Charge Code (MOC) -- HL7v2 composite data type.
Used to convey a monetary amount together with a charge code.
2 components:
1. Monetary Amount (MO) -- sub-components delimited by `&`
2. Charge Code (CE) -- sub-components delimited by `&`
"""
@behaviour HL7v2.Type
alias HL7v2.Type
alias HL7v2.Type.{CE, MO}
defstruct [:monetary_amount, :charge_code]
@type t :: %__MODULE__{
monetary_amount: MO.t() | nil,
charge_code: CE.t() | nil
}
@doc """
Parses a MOC from a list of components.
## Examples
iex> HL7v2.Type.MOC.parse(["150.00&USD", "99213&Office Visit&CPT4"])
%HL7v2.Type.MOC{
monetary_amount: %HL7v2.Type.MO{quantity: "150.00", denomination: "USD"},
charge_code: %HL7v2.Type.CE{identifier: "99213", text: "Office Visit", name_of_coding_system: "CPT4"}
}
iex> HL7v2.Type.MOC.parse(["150.00&USD"])
%HL7v2.Type.MOC{monetary_amount: %HL7v2.Type.MO{quantity: "150.00", denomination: "USD"}}
iex> HL7v2.Type.MOC.parse([])
%HL7v2.Type.MOC{}
"""
@spec parse(list()) :: t()
def parse(components) when is_list(components) do
%__MODULE__{
monetary_amount: Type.parse_sub(MO, Type.get_component(components, 0)),
charge_code: Type.parse_sub(CE, Type.get_component(components, 1))
}
end
@doc """
Encodes a MOC to a list of component strings.
## Examples
iex> HL7v2.Type.MOC.encode(%HL7v2.Type.MOC{monetary_amount: %HL7v2.Type.MO{quantity: "150.00", denomination: "USD"}})
["150.00&USD"]
iex> HL7v2.Type.MOC.encode(nil)
[]
"""
@spec encode(t() | nil) :: list()
def encode(nil), do: []
def encode(%__MODULE__{} = moc) do
[
Type.encode_sub(MO, moc.monetary_amount),
Type.encode_sub(CE, moc.charge_code)
]
|> Type.trim_trailing()
end
end