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# frozen_string_literal: true
class ExperimentSubject < ApplicationRecord
include ::Gitlab::Experimentation::GroupTypes
belongs_to :experiment, inverse_of: :experiment_subjects
belongs_to :user
belongs_to :namespace
belongs_to :project
validates :experiment, presence: true
validates :variant, presence: true
validate :must_have_one_subject_present
enum variant: { GROUP_CONTROL => 0, GROUP_EXPERIMENTAL => 1 }
def self.valid_subject?(subject)
subject.is_a?(Namespace) || subject.is_a?(User) || subject.is_a?(Project)
end
private
def must_have_one_subject_present
if non_nil_subjects.length != 1
errors.add(:base, s_("ExperimentSubject|Must have exactly one of User, Namespace, or Project."))
end
end
def non_nil_subjects
@non_nil_subjects ||= [user, namespace, project].reject(&:blank?)
end
end
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