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# frozen_string_literal: true
# == Schema Information
#
# Table name: invites
#
# id :bigint(8) not null, primary key
# user_id :bigint(8) not null
# 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
# autofollow :boolean default(FALSE), not null
# comment :text
#
class Invite < ApplicationRecord
include Expireable
COMMENT_SIZE_LIMIT = 420
belongs_to :user, inverse_of: :invites
has_many :users, inverse_of: :invite, dependent: nil
scope :available, -> { where(expires_at: nil).or(where('expires_at >= ?', Time.now.utc)) }
validates :comment, length: { maximum: COMMENT_SIZE_LIMIT }
before_validation :set_code
def valid_for_use?
(max_uses.nil? || uses < max_uses) && !expired? && user&.functional?
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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