stevenbeales / mental-test

# Represents a psychometric instrument

# Similar to a survey or questionnaire

class Instrument < ApplicationRecord

  audited

  include PgSearch

  include Discard::Model

  multisearchable against: %i[json_content csv_content]

  pg_search_scope :search_json, against: :json_content

  pg_search_scope :search_csv, against: :csv_content

  default_value_for :version_number, '1.0'

  default_value_for :instrument_type, 'json'

  has_many :assessment_instruments, inverse_of: :instrument, dependent: :destroy

  has_many :study_event_instruments, inverse_of: :instrument, dependent: :destroy

  has_many :assessments, inverse_of: :instrument, through: :assessment_instruments

  has_many :study_events, inverse_of: :instrument, through: :study_event_instruments

  has_many :items, inverse_of: :instrument, dependent: :destroy

  jsonb_accessor :json_content,

                 title: [:string, default: 'Untitled'],

                 pages: [:jsonb, array: true, default: []]

  validates :name, presence: true

  validates_uniqueness_of :name

  validates_length_of :name, \

                      within: 2..50, \

                      too_long: 'pick a shorter name', \

                      too_short: 'pick a longer name'

  validates :version_number, presence: true

  validates_uniqueness_of :version_number, scope: :name 

  validates :instrument_type, presence: true

  validates :instructions, presence: true, allow_blank: true

  validates :json_content, presence: true

  validates :csv_content, presence: true, allow_blank: true

  def self.list_tests(limit: 4)

    Instrument.order(:name).limit(limit).join(' ')

  end

  def first_question_and_instructions

    %(#{instructions} #{items.first.title})

  end

end

# == Schema Information

#

# Table name: instruments

#

#  id              :integer          not null, primary key

#  name            :string           not null

#  version_number  :string           default("1.0"), not null

#  instrument_type :string           default("json"), not null

#  json_content    :jsonb            not null

#  csv_content     :text             default(""), not null

#  instructions    :text             default(""), not null

#  created_at      :datetime         not null

#  updated_at      :datetime         not null

#  tags            :string           default([]), is an Array

#

# Indexes

#

#  index_instruments_on_csv_content  (csv_content)

#  index_instruments_on_name         (name)

#  instrument_json_content           (json_content)

#  instrument_tags                   (tags)

#