You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
48 lines
1.3 KiB
48 lines
1.3 KiB
# 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 |
|
ELIGIBLE_CODE_CHARACTERS = [*('a'..'z'), *('A'..'Z'), *('0'..'9')].freeze |
|
HOMOGLYPHS = %w(0 1 I l O).freeze |
|
VALID_CODE_CHARACTERS = ELIGIBLE_CODE_CHARACTERS - HOMOGLYPHS |
|
|
|
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, on: :create |
|
|
|
def valid_for_use? |
|
(max_uses.nil? || uses < max_uses) && !expired? && user&.functional? |
|
end |
|
|
|
private |
|
|
|
def set_code |
|
loop do |
|
self.code = VALID_CODE_CHARACTERS.sample(8).join |
|
break if Invite.find_by(code: code).nil? |
|
end |
|
end |
|
end
|
|
|