discourse/app/models/email_token.rb

56 lines
1.4 KiB
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2013-02-05 14:16:51 -05:00
class EmailToken < ActiveRecord::Base
belongs_to :user
validates_presence_of :token
validates_presence_of :user_id
validates_presence_of :email
before_validation(:on => :create) do
self.token = EmailToken.generate_token
end
after_create do
# Expire the previous tokens
EmailToken.update_all 'expired = true', ['user_id = ? and id != ?', self.user_id, self.id]
end
def self.token_length
16
end
def self.valid_after
1.week.ago
end
def self.generate_token
SecureRandom.hex(EmailToken.token_length)
end
def self.confirm(token)
return unless token.present?
return unless token.length/2 == EmailToken.token_length
email_token = EmailToken.where("token = ? AND expired = FALSE and created_at >= ?", token, EmailToken.valid_after).includes(:user).first
return if email_token.blank?
user = email_token.user
User.transaction do
row_count = EmailToken.update_all 'confirmed = true', ['id = ? AND confirmed = false', email_token.id]
if row_count == 1
# If we are activating the user, send the welcome message
user.send_welcome_message = !user.active?
user.active = true
user.email = email_token.email
user.save!
end
end
user
rescue ActiveRecord::RecordInvalid
# If the user's email is already taken, just return nil (failure)
nil
end
end