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class Parameter < ActiveRecord::Base
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belongs_to_host :foreign_key => :reference_id
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include Authorizable
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validates :value, :presence => true
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validates :name, :presence => true, :format => {:with => /\A\S*\Z/, :message => N_("can't contain white spaces")}
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validates :reference_id, :presence => {:message => N_("parameters require an associated domain, host or host group")}, :unless => Proc.new {|p| p.nested or p.is_a? CommonParameter}
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default_scope lambda { order("parameters.name") }
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attr_accessor :nested
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before_validation :strip_whitespaces
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after_initialize :set_priority
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PRIORITY = {:common_parameter => 0, :domain_parameter => 1, :os_parameter => 2, :group_parameter => 3 , :host_parameter => 4}
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def self.reassign_priorities
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# priorities will be reassigned because of after_initialize
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find_in_batches do |params|
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params.each { |param| param.update_attribute(:priority, param.priority) }
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end
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end
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private
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def set_priority
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t = read_attribute(:type)
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self.priority = PRIORITY[t.to_s.underscore.to_sym] unless t.blank?
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end
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def strip_whitespaces
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self.name = self.name.strip unless name.blank? # when name string comes from a hash key, it's frozen and cannot be modified
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self.value.strip! unless value.blank?
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end
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end
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