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class Record < ActiveRecord::Base
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belongs_to :domain, :inverse_of => :records
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cattr_reader :types
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@@types = %w(SOA NS A MX TXT CNAME)
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validates :domain, :name, :presence => true
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validates :type, :inclusion => {:in => @@types, :message => "Unknown record type"}
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validates :content, :uniqueness => {:scope => [:domain_id, :type, :name]}
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# RFC 2181, 8
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validates :ttl, :numericality => {
# :greater_than_or_equal_to => 0,
:greater_than_or_equal_to => Settings.min_ttl.to_i,
:less_than => 2**31,
:only_integer => true
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}, :allow_blank => true
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before_validation :prepare_name!
before_save :update_change_date
after_save :update_soa_serial
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after_initialize do
self.ttl ||= Settings.default_ttl
end
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# By default records don't support priorities.
# Those who do can overwrite this in their own classes.
def supports_priority?; false end
def shortname; name.gsub(/\.?#{self.domain.name}$/, '') end
def shortname=(value); self.name = value end
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def to_label; "#{type} #{content}" end
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protected
def prepare_name!
return if domain.nil? or domain.name.blank?
self.name = domain.name if name.blank? or name == '@'
self.name << ".#{domain.name}" unless name.index(domain.name)
end
# Update the change date for automatic serial number generation
def update_change_date; self.change_date = Time.now.to_i end
def update_soa_serial #:nodoc:
unless type == 'SOA' || @serial_updated || domain.slave?
domain.soa_record.update_serial!
@serial_updated = true
end
end
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end