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