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# frozen_string_literal: true
require_dependency "renalware/pathology"
module Renalware
module Pathology
# We maintain current observations for each patient in their #current_observation_set.
# CurrentObservationSet#values is a hash (stored as jsonb) where the OBX code
# is the key and the result value and observation date are themselves a hash.
# So values looks like this
# {
# "HGB": {
# "result": 123,
# observed_at: "2017-12-12 12:12:12"
# },
# "CRE": {
# ...
# }
# }
# and *always* contains the very latest pathology result for any code.
# We store all incoming OBX codes, not just a restricted list.
# Legacy data might only contain a subset of codes, so #values should not be relied on
# to cover current observations for the patients entire history, just key ones.
# When displaying or using a patient's current_observation_set the consuming code
# must filter out the codes it wants.
class CurrentObservationSet < ApplicationRecord
belongs_to :patient,
class_name: "Renalware::Pathology::Patient",
inverse_of: :current_observation_set
validates :patient, presence: true
serialize :values, ObservationsJsonbSerializer
def values_for_codes(codes)
codes = Array(codes)
values.select { |code, _| codes.include?(code) }
end
def self.null_values_hash
HashWithIndifferentAccess.new.extend(ObservationSetMethods)
end
end
class NullObservationSet
def values
ObservationsJsonbSerializer.load({})
end
end
end
end
Version data entries
52 entries across 52 versions & 1 rubygems