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# frozen_string_literal: true
# == Schema Information
#
# Table name: invites
#
# id :integer not null, primary key
# user_id :integer
# code :string default(""), not null
# expires_at :datetime
# max_uses :integer
# uses :integer default(0), not null
# created_at :datetime not null
# updated_at :datetime not null
#
class Invite < ApplicationRecord
belongs_to :user, required: true
has_many :users, inverse_of: :invite
before_validation :set_code
attr_reader :expires_in
def expires_in=(interval)
self.expires_at = interval.to_i.seconds.from_now unless interval.blank?
@expires_in = interval
end
def valid_for_use?
(max_uses.nil? || uses < max_uses) && !expired?
end
def expire!
touch(:expires_at)
end
def expired?
!expires_at.nil? && expires_at < Time.now.utc
end
private
def set_code
loop do
self.code = ([*('a'..'z'), *('A'..'Z'), *('0'..'9')] - %w(0 1 I l O)).sample(8).join
break if Invite.find_by(code: code).nil?
end
end
end
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