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# frozen_string_literal: true
require_dependency "renalware/pathology"
module Renalware
module Pathology
# Represents a set of observation descriptions that are displayed together for example on a
# letter on or an HD MDM.
# We don't always want to display the same set of results. For example in the context of
# an HD MDM we might want to display only HD-relevant results, while in the main historical
# pathology view we want to see a wide set of results.
# By defining a group with a name like 'letters' or 'pd_mdm' we can load and display
# only the results in that group.
# Check what codes are in which group manually in the rails console using e.g.
# Renalware::Pathology::CodeGroup.descriptions_for_group("letters")
# (you can merge this as a scope also)
# or in SQL using
# SELECT
# G.name,
# M.subgroup,
# M.position_within_subgroup,
# POD.code
# FROM
# pathology_code_groups G
# INNER JOIN pathology_code_group_memberships M ON M.code_group_id = G.id
# INNER JOIN pathology_observation_descriptions POD ON POD.id = M.observation_description_id
# ORDER BY
# G.name,
# M.subgroup,
# M.position_within_subgroup;
class CodeGroup < ApplicationRecord
validates :name, presence: true, uniqueness: true
has_many(
:memberships,
class_name: "CodeGroupMembership",
dependent: :destroy
)
has_many(
:observation_descriptions,
through: :memberships
)
def self.descriptions_for_group(name)
CodeGroup
.find_by!(name: name)
.observation_descriptions
.order(subgroup: :asc, position_within_subgroup: :asc)
end
end
end
end
Version data entries
52 entries across 52 versions & 1 rubygems