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Contents
# frozen_string_literal: true
require_dependency "renalware/letters"
module Renalware
module Letters
module LetterPathology
extend ActiveSupport::Concern
# Filters a set of observations using a specific set of OBX codes
class FilteredObservationSet
EMPTY_SNAPSHOT = {}.freeze
def initialize(observation_set:, codes: nil)
@codes = codes || RelevantObservationDescription.all.map(&:code)
@observation_set = observation_set
end
# Returns a hash of the filtered observations e.g.
# {
# "NA"=>{"result"=>"139", "observed_at"=>"2016-03-15T03:28:00"},
# "ALB"=>{"result"=>"49", "observed_at"=>"2016-03-15T03:28:00"},
# ...
# }
def to_h
return if observation_set.blank?
hash = observation_set.values.select { |code, _| codes.include?(code.to_s) }
hash.empty? ? nil : hash
end
private
attr_reader :observation_set, :codes
end
# Update a letter's pathology snapshot to the current point in time
def build_pathology_snapshot(patient)
FilteredObservationSet.new(
observation_set: patient.current_observation_set,
codes: Renalware::Letters::RelevantObservationDescription.all.map(&:code)
).to_h
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems