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module Nic::WithAttachedDevices
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extend ActiveSupport::Concern
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include Exportable
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SEPARATOR = ','
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included do
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validates :attached_devices, :format => { :with => /\A[a-z0-9#{SEPARATOR}.:_-]+\Z/ }, :allow_blank => true
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validates :identifier, :presence => true, :if => :managed?
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before_validation :ensure_virtual
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attr_exportable :attached_devices
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end
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def virtual
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true
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end
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alias_method :virtual?, :virtual
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def attached_devices=(devices)
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devices = devices.split(SEPARATOR) if devices.is_a?(String)
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super(devices.map { |i| i.downcase.strip }.join(SEPARATOR))
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end
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def attached_devices_identifiers
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attached_devices.split(SEPARATOR)
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end
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def children_mac_addresses
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attached_devices_objects.map(&:mac)
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end
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def add_device(identifier)
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self.attached_devices = attached_devices_identifiers.push(identifier).uniq.join(SEPARATOR)
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end
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def remove_device(identifier)
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self.attached_devices = attached_devices_identifiers.tap { |a| a.delete(identifier) }.join(SEPARATOR)
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end
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def attached_devices_objects
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self.host.interfaces.select { |i| self.attached_devices_identifiers.include?(i.identifier) }
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end
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private
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def ensure_virtual
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self.virtual = true
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end
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end
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