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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/pip.ex
defmodule HL7v2.Type.PIP do
@moduledoc """
Practitioner Institutional Privileges (PIP) -- HL7v2 composite data type.
Defines institutional privileges granted to a practitioner.
5 components:
1. Privilege (CE) -- sub-components
2. Privilege Class (CE) -- sub-components
3. Expiration Date (DT)
4. Activation Date (DT)
5. Facility (EI) -- sub-components
"""
@behaviour HL7v2.Type
alias HL7v2.Type
alias HL7v2.Type.{CE, DT, EI}
defstruct [:privilege, :privilege_class, :expiration_date, :activation_date, :facility]
@type t :: %__MODULE__{
privilege: CE.t() | nil,
privilege_class: CE.t() | nil,
expiration_date: Date.t() | DT.t() | nil,
activation_date: Date.t() | DT.t() | nil,
facility: EI.t() | nil
}
@doc """
Parses a PIP from a list of components.
## Examples
iex> HL7v2.Type.PIP.parse(["SURG&Surgery&LOCAL", "A&Active", "20281231", "20260101"])
%HL7v2.Type.PIP{
privilege: %HL7v2.Type.CE{identifier: "SURG", text: "Surgery", name_of_coding_system: "LOCAL"},
privilege_class: %HL7v2.Type.CE{identifier: "A", text: "Active"},
expiration_date: ~D[2028-12-31],
activation_date: ~D[2026-01-01]
}
iex> HL7v2.Type.PIP.parse([])
%HL7v2.Type.PIP{}
"""
@spec parse(list()) :: t()
def parse(components) when is_list(components) do
%__MODULE__{
privilege: Type.parse_sub(CE, Type.get_component(components, 0)),
privilege_class: Type.parse_sub(CE, Type.get_component(components, 1)),
expiration_date: components |> Type.get_component(2) |> DT.parse(),
activation_date: components |> Type.get_component(3) |> DT.parse(),
facility: Type.parse_sub(EI, Type.get_component(components, 4))
}
end
@doc """
Encodes a PIP to a list of component strings.
## Examples
iex> HL7v2.Type.PIP.encode(%HL7v2.Type.PIP{privilege: %HL7v2.Type.CE{identifier: "SURG"}, expiration_date: ~D[2028-12-31]})
["SURG", "", "20281231"]
iex> HL7v2.Type.PIP.encode(nil)
[]
"""
@spec encode(t() | nil) :: list()
def encode(nil), do: []
def encode(%__MODULE__{} = pip) do
[
Type.encode_sub(CE, pip.privilege),
Type.encode_sub(CE, pip.privilege_class),
DT.encode(pip.expiration_date),
DT.encode(pip.activation_date),
Type.encode_sub(EI, pip.facility)
]
|> Type.trim_trailing()
end
end