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class UserFact < ActiveRecord::Base
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belongs_to :user
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belongs_to :fact_name
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validates :andor, :inclusion => {:in => %w{and or}}
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validates :operator, :inclusion => {:in => %w{= != > >= < <= }}
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validates :fact_name, :criteria, :user, :presence => true
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before_validation :set_defaults
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def to_s
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n = user.try(:name) || _("Unknown user")
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fn = fact_name.try(:name) || _("Unknown fact")
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"#{n}:#{fn}:#{criteria.empty? ? "Empty" : criteria}:#{operator}:#{andor}"
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end
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private
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def set_defaults
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self.operator ||= "="
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self.andor ||= "or"
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end
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end
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