stevenbeales / mental-test

# Association class between study events and instruments

class StudyEventInstrument < ApplicationRecord

  belongs_to :study_event, inverse_of: :study_event_instruments

  belongs_to :instrument, inverse_of: :study_event_instruments

  validates :study_event, presence: true

  validates :instrument, presence: true

  validates_uniqueness_of :instrument, scope: :study_event

# == Schema Information

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# Table name: study_event_instruments

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#  id             :integer          not null, primary key

#  study_event_id :integer          not null

#  instrument_id  :integer          not null

#  created_at     :datetime         not null

#  updated_at     :datetime         not null

#

# Indexes

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#  index_by_study_event_instrument                  (study_event_id,instrument_id) UNIQUE

#  index_study_event_instruments_on_instrument_id   (instrument_id)

#  index_study_event_instruments_on_study_event_id  (study_event_id)

#