84 lines
2.1 KiB
Ruby
84 lines
2.1 KiB
Ruby
class EmailToken < ActiveRecord::Base
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belongs_to :user
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validates_presence_of :token
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validates_presence_of :user_id
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validates_presence_of :email
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before_validation(on: :create) do
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self.token = EmailToken.generate_token
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end
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after_create do
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# Expire the previous tokens
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EmailToken.where(['user_id = ? and id != ?', self.user_id, self.id]).update_all 'expired = true'
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end
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def self.token_length
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16
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end
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def self.valid_after
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1.week.ago
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end
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def self.confirm_valid_after
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1.day.ago
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end
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def self.unconfirmed
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where(confirmed: false)
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end
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def self.active
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where(expired: false).where('created_at > ?', valid_after)
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end
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def self.generate_token
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SecureRandom.hex(EmailToken.token_length)
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end
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def self.confirm(token)
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return unless token.present?
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return unless token.length/2 == EmailToken.token_length
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email_token = EmailToken.where("token = ? and expired = FALSE AND ((NOT confirmed AND created_at >= ?) OR (confirmed AND created_at >= ?))", token, EmailToken.valid_after, EmailToken.confirm_valid_after).includes(:user).first
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return if email_token.blank?
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user = email_token.user
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User.transaction do
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row_count = EmailToken.where(id: email_token.id, expired: false).update_all 'confirmed = true'
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if row_count == 1
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# If we are activating the user, send the welcome message
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user.send_welcome_message = !user.active?
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user.active = true
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user.email = email_token.email
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user.save!
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end
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end
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user
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rescue ActiveRecord::RecordInvalid
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# If the user's email is already taken, just return nil (failure)
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end
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end
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# == Schema Information
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#
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# Table name: email_tokens
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#
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# id :integer not null, primary key
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# user_id :integer not null
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# email :string(255) not null
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# token :string(255) not null
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# confirmed :boolean default(FALSE), not null
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# expired :boolean default(FALSE), 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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# Indexes
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#
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# index_email_tokens_on_token (token) UNIQUE
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#
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