stevenbeales / mental-test

# Model to represent the user taking an instrument/questionnaire within a survey/campaign

class Assessment < ApplicationRecord

  belongs_to :visit, inverse_of: :assessments

  has_one :survey, through: :visit

  has_one :user, through: :visit

  has_many :assessment_instruments, inverse_of: :assessment, dependent: :destroy 

  has_many :instruments, through: :assessment_instruments

  has_many :responses, inverse_of: :assessment, dependent: :destroy

  has_many :scores, inverse_of: :assessment, dependent: :destroy

  validates :visit, presence: true

  validates :order_number, presence: true, allow_blank: false

  validates :order_number, numericality: { only_integer: true, 

                                           greater_than_or_equal_to: 1, 

                                           less_than_or_equal_to: 10_000 }

  validates_uniqueness_of :order_number, on: :create, message: 'must be unique', scope: :visit

  before_destroy :destroy_scores

  after_initialize :set_order_number

  def to_s

    visit.to_s

  end

  private

  def destroy_scores

    scores.destroy_all

  end

# == Schema Information

#

# Table name: assessments

#

#  id           :integer          not null, primary key

#  visit_id     :integer          not null

#  order_number :integer          default(1), not null

#  content      :jsonb            not null

#  created_at   :datetime         not null

#  updated_at   :datetime         not null

#

# Indexes

#

#  assessment_content             (content)

#  index_assessments_on_visit_id  (visit_id)

#  index_by_visit_order_number    (visit_id,order_number) UNIQUE

#