stevenbeales/mental-test

# frozen_string_literal: true

# == Schema Information
#
# Table name: choices
#
#  id                :integer          not null, primary key
#  response_scale_id :integer          not null
#  value             :string           not null
#  score             :integer          default(-1), not null
#  description       :string           not null
#  created_at        :datetime         not null
#  updated_at        :datetime         not null
#
# Indexes
#
#  index_by_response_scale_value       (response_scale_id,value) UNIQUE
#  index_choices_on_response_scale_id  (response_scale_id)
#

# Table name: choices
#
#  id              :integer          not null, primary key
#  response_scale_id :integer          not null
#  value           :string           not null
#  score           :integer          default(-1), not null
#  description     :string           not null
#

# Model to represent choices in a rating scale
class Choice < ApplicationRecord
  belongs_to :response_scale, inverse_of: :choices, touch: true
  has_many :responses, inverse_of: :choice

  validates :response_scale, presence: true
  validates :value, presence: true
  validates :description, presence: true
  validates_uniqueness_of :value, scope: :response_scale
  validates_numericality_of :score, message: 'is not a number'

  def self.load_choice(response_scale, choice)
    Choice.create_with(description: choice['text']) \
          .find_or_create_by(response_scale: response_scale, value: choice['value'])
  end

  def to_s
    %(#{response_scale} #{value} #{description})
  end
end