a11yist/app/models/success_criterion.rb

# frozen_string_literal: true

class SuccessCriterion < ApplicationRecord
  belongs_to :element, touch: true
  belongs_to :check, optional: true

  has_rich_text :test_comment
  has_rich_text :quick_criterion
  has_rich_text :quick_fail
  has_rich_text :quick_fix

  delegate :page, :report, to: :element

  enum :result, %i[passed failed not_applicable]
  enum :level, %i[A AA AAA]

  before_save :set_position
  before_update :update_positions, if: :position_changed?

  validates :result, inclusion: { in: self.results.keys + [ nil ] }

  def level_value
    return nil unless level

    self.class.levels.values.index_of(level)
  end

  def header
    "HEADER"
  end

  def number
    [ page.position, element.position, position ].join(".")
  end

  private
  def set_position
    self.position ||= (element.success_criteria.pluck(:position).max || 0) + 1
    Rails.logger.debug("set position: "+position.to_s)
  end

  def update_positions
    if position_was
      element.success_criteria.where("position > ?", position_was).update_all("position = position - 1")
    end
    element.success_criteria.where(position: position..).update_all("position = position + 1")
  end
end