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55 lines
1.5 KiB
Ruby
55 lines
1.5 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 :bigint(8) not null, primary key
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# autofollow :boolean default(FALSE), not null
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# code :string default(""), not null
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# comment :text
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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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# user_id :bigint(8) not null
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#
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class Invite < ApplicationRecord
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include Expireable
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COMMENT_SIZE_LIMIT = 420
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ELIGIBLE_CODE_CHARACTERS = [*('a'..'z'), *('A'..'Z'), *('0'..'9')].freeze
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EXPIRATION_DURATIONS = [30.minutes, 1.hour, 6.hours, 12.hours, 1.day, 1.week].freeze
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HOMOGLYPHS = %w(0 1 I l O).freeze
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MAX_USES_COUNTS = [1, 5, 10, 25, 50, 100].freeze
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VALID_CODE_CHARACTERS = (ELIGIBLE_CODE_CHARACTERS - HOMOGLYPHS).freeze
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belongs_to :user, inverse_of: :invites
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has_many :users, inverse_of: :invite, dependent: nil
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scope :available, -> { where(expires_at: nil).or(where(expires_at: Time.now.utc..)) }
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validates :comment, length: { maximum: COMMENT_SIZE_LIMIT }
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before_validation :set_code, on: :create
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def valid_for_use?
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(max_uses.nil? || uses < max_uses) && !expired? && user&.functional?
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end
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def bypass_approval?
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user&.role&.can?(:invite_bypass_approval)
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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 = VALID_CODE_CHARACTERS.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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