app/models/subscription.rb


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# frozen_string_literal: true

class Subscription < ApplicationRecord
  belongs_to :user
  belongs_to :project
  belongs_to :subscribable, polymorphic: true # rubocop:disable Cop/PolymorphicAssociations

  validates :user, :subscribable, presence: true

  validates :project_id, uniqueness: { scope: [:subscribable_id, :subscribable_type, :user_id] }
end