class HealthQuestion

Schema Information

Table name: health_questions

id                    :bigint           not null, primary key
give_details_hint     :string
hint                  :string
metadata              :jsonb            not null
title                 :string           not null
would_require_triage  :boolean          default(TRUE), not null
created_at            :datetime         not null
updated_at            :datetime         not null
follow_up_question_id :bigint
next_question_id      :bigint
vaccine_id            :bigint           not null

Indexes

index_health_questions_on_follow_up_question_id  (follow_up_question_id)
index_health_questions_on_next_question_id       (next_question_id)
index_health_questions_on_vaccine_id             (vaccine_id)

Foreign Keys

fk_rails_...  (follow_up_question_id => health_questions.id)
fk_rails_...  (next_question_id => health_questions.id)
fk_rails_...  (vaccine_id => vaccines.id)

Attributes

notes [RW]

response [RW]

Public Class Methods

first_health_question ()

Source

# File app/models/health_question.rb, line 38
def self.first_health_question
  question_ids, next_question_ids, follow_up_question_ids =
    pluck(:id, :next_question_id, :follow_up_question_id).transpose

  id_set = question_ids - next_question_ids - follow_up_question_ids

  raise "No first question found" if id_set.empty?
  raise "More than one first question found" if id_set.length > 1

  find id_set.first
end

in_order ()

Source

# File app/models/health_question.rb, line 63
def self.in_order
  first_health_question.remaining_questions
end

last_health_question ()

Source

# File app/models/health_question.rb, line 50
def self.last_health_question
  questions_by_id = all.group_by(&:id).transform_values(&:first)

  question = first_health_question

  question =
    questions_by_id.fetch(
      question.next_question_id
    ) until question.next_question_id.nil?

  question
end

to_health_answers ()

Source

# File app/models/health_question.rb, line 67
def self.to_health_answers
  HealthAnswer.from_health_questions(in_order)
end

Public Instance Methods

remaining_questions (ary = nil, questions_by_id = nil)

Source

# File app/models/health_question.rb, line 73
def remaining_questions(ary = nil, questions_by_id = nil)
  ary ||= []
  questions_by_id ||=
    HealthQuestion.where(vaccine:).group_by(&:id).transform_values(&:first)

  ary << self

  if follow_up_question_id.present?
    questions_by_id[follow_up_question_id].remaining_questions(
      ary,
      questions_by_id
    )
  end

  if next_question_id.present? && ary.none? { _1.id == next_question_id }
    questions_by_id[next_question_id].remaining_questions(
      ary,
      questions_by_id
    )
  end

  ary
end

Turn the health questions into an array ordered by follow_up_questions and next_questions.