stevenbeales / mental-test

# Association class between participants and studies

class StudyParticipant < ApplicationRecord

  belongs_to :participant, inverse_of: :study_participants

  belongs_to :study, inverse_of: :study_participants

  validates :participant, presence: true

  validates :study, presence: true

  validates_uniqueness_of :study, scope: :participant

  validates_uniqueness_of :participant, scope: :study

# == Schema Information

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# Table name: study_participants

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#  id             :integer          not null, primary key

#  participant_id :integer          not null

#  study_id       :integer          not null

#  subject_number :string        

#  created_at     :datetime         not null

#  updated_at     :datetime         not null

#

# Indexes

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#  index_participant_study                     (participant_id,study_id) UNIQUE

#  index_study_participants_on_participant_id  (participant_id)

#  index_study_participants_on_study_id        (study_id)

#  index_study_subject_number                  (study_id, subject_number)

#