foodsoft/app/models/invite.rb
2011-05-11 11:17:02 +02:00

51 lines
1.4 KiB
Ruby

require 'digest/sha1'
# Invites are created by foodcoop users to invite a new user into the foodcoop and their order group.
class Invite < ActiveRecord::Base
belongs_to :user
belongs_to :group
validates_format_of :email, :with => /^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/i
validates_presence_of :user
validates_presence_of :group
validates_presence_of :token
validates_presence_of :expires_at
validate :email_not_already_registered, :on => :create
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 => 7)
end
# Sends an email to the invited user.
def after_create
Mailer.invite(self).deliver
end
private
# Custom validation: check that email does not already belong to a registered user.
def email_not_already_registered
unless User.find_by_email(self.email).nil?
errors.add(:email, 'ist bereits in Verwendung. Person ist schon Mitglied der Foodcoop.')
end
end
end
# == Schema Information
#
# Table name: invites
#
# id :integer(4) not null, primary key
# token :string(255) default(""), not null
# expires_at :datetime not null
# group_id :integer(4) default(0), not null
# user_id :integer(4) default(0), not null
# email :string(255) default(""), not null
#