21 lines
602 B
Ruby
21 lines
602 B
Ruby
require 'validators'
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class Message < ActiveRecord::Base
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belongs_to :sender, :class_name => "User", :foreign_key => :from_user_id
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belongs_to :recipient, :class_name => "User", :foreign_key => :to_user_id
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validates_presence_of :title, :body, :sent_on, :sender, :recipient
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validates_length_of :title, :within => 1..255
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validates_inclusion_of :message_read, :in => [ true, false ]
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validates_as_utf8 :title
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def digest
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md5 = Digest::MD5.new
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md5 << from_user_id.to_s
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md5 << to_user_id.to_s
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md5 << sent_on.xmlschema
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md5 << title
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md5 << body
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md5.hexdigest
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end
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end
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