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