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class OsParameter < Parameter
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belongs_to :operatingsystem, :foreign_key => :reference_id
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acts_as_audited :except => [:priority], :associated_with => :operatingsystem
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validates_uniqueness_of :name, :scope => :reference_id
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private
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def enforce_permissions operation
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# We get called again with the operation being set to create
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return true if operation == "edit" and new_record?
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return true if User.current.allowed_to?("#{operation}_operatingsystems".to_sym)
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errors.add :base, "You do not have permission to #{operation} this Operating System parameter"
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false
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end
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end
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