foodsoft/app/models/invite.rb
2009-01-06 11:49:19 +01:00

46 lines
1.3 KiB
Ruby

require 'digest/sha1'
# Invites are created by foodcoop users to invite a new user into the foodcoop and their order group.
#
# Attributes:
# * token - the authentication token for this invite
# * group - the group the new user is to be made a member of
# * user - the inviting user
# * expires_at - the time this invite expires
# * email - the recipient's email address
class Invite < ActiveRecord::Base
belongs_to :user
belongs_to :group
validates_format_of :email, :with => /^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/i, :message => 'ist keine gültige Email-Adresse'
validates_presence_of :user
validates_presence_of :group
validates_presence_of :token
validates_presence_of :expires_at
attr_accessible :email, :user, :group
# messages
ERR_EMAIL_IN_USE = 'ist bereits in Verwendung'
protected
# Before validation, set token and expires_at.
def before_validation
self.token = Digest::SHA1.hexdigest(Time.now.to_s + rand(100).to_s)
self.expires_at = Time.now.advance(:days => 2)
end
# Sends an email to the invited user.
def after_create
Mailer.deliver_invite(self)
end
private
# Custom validation: check that email does not already belong to a registered user.
def validate_on_create
errors.add(:email, ERR_EMAIL_IN_USE) unless User.find_by_email(self.email).nil?
end
end