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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/pl.ex
defmodule HL7v2.Type.PL do
@moduledoc """
Person Location (PL) -- HL7v2 composite data type.
Used to specify patient location (point of care, room, bed, facility, etc.).
11 components:
1. Point of Care (IS) -- Table 0302
2. Room (IS) -- Table 0303
3. Bed (IS) -- Table 0304
4. Facility (HD) -- sub-components delimited by `&`
5. Location Status (IS) -- Table 0306
6. Person Location Type (IS) -- Table 0305: C=Clinic, N=Nursing, etc.
7. Building (IS) -- Table 0307
8. Floor (IS) -- Table 0308
9. Location Description (ST)
10. Comprehensive Location Identifier (EI) -- sub-components delimited by `&`
11. Assigning Authority for Location (HD) -- sub-components delimited by `&`
"""
@behaviour HL7v2.Type
alias HL7v2.Type
alias HL7v2.Type.{HD, EI}
defstruct [
:point_of_care,
:room,
:bed,
:facility,
:location_status,
:person_location_type,
:building,
:floor,
:location_description,
:comprehensive_location_identifier,
:assigning_authority_for_location
]
@type t :: %__MODULE__{
point_of_care: binary() | nil,
room: binary() | nil,
bed: binary() | nil,
facility: HD.t() | nil,
location_status: binary() | nil,
person_location_type: binary() | nil,
building: binary() | nil,
floor: binary() | nil,
location_description: binary() | nil,
comprehensive_location_identifier: EI.t() | nil,
assigning_authority_for_location: HD.t() | nil
}
@doc """
Parses a PL from a list of components.
## Examples
iex> HL7v2.Type.PL.parse(["ICU", "101", "A", "HOSP&2.16.840.1.113883.19.4.6&ISO", "", "N"])
%HL7v2.Type.PL{
point_of_care: "ICU",
room: "101",
bed: "A",
facility: %HL7v2.Type.HD{namespace_id: "HOSP", universal_id: "2.16.840.1.113883.19.4.6", universal_id_type: "ISO"},
person_location_type: "N"
}
iex> HL7v2.Type.PL.parse([])
%HL7v2.Type.PL{}
"""
@spec parse(list()) :: t()
def parse(components) when is_list(components) do
%__MODULE__{
point_of_care: Type.get_component(components, 0),
room: Type.get_component(components, 1),
bed: Type.get_component(components, 2),
facility: Type.parse_sub(HD, Type.get_component(components, 3)),
location_status: Type.get_component(components, 4),
person_location_type: Type.get_component(components, 5),
building: Type.get_component(components, 6),
floor: Type.get_component(components, 7),
location_description: Type.get_component(components, 8),
comprehensive_location_identifier: Type.parse_sub(EI, Type.get_component(components, 9)),
assigning_authority_for_location: Type.parse_sub(HD, Type.get_component(components, 10))
}
end
@doc """
Encodes a PL to a list of component strings.
## Examples
iex> HL7v2.Type.PL.encode(%HL7v2.Type.PL{point_of_care: "ICU", facility: %HL7v2.Type.HD{namespace_id: "HOSP"}})
["ICU", "", "", "HOSP"]
iex> HL7v2.Type.PL.encode(nil)
[]
"""
@spec encode(t() | nil) :: list()
def encode(nil), do: []
def encode(%__MODULE__{} = pl) do
[
pl.point_of_care || "",
pl.room || "",
pl.bed || "",
Type.encode_sub(HD, pl.facility),
pl.location_status || "",
pl.person_location_type || "",
pl.building || "",
pl.floor || "",
pl.location_description || "",
Type.encode_sub(EI, pl.comprehensive_location_identifier),
Type.encode_sub(HD, pl.assigning_authority_for_location)
]
|> Type.trim_trailing()
end
end