app/models/ontology_version.rb

	ontology_version.rb revision 7ea9649883e1bbe8f2582db1a3c66af8b7206056
class OntologyVersion < ActiveRecord::Base
  @queue = :hets

  belongs_to :user
  belongs_to :ontology

  mount_uploader :raw_file, OntologyUploader
  mount_uploader :xml_file, OntologyUploader

  attr_accessible :raw_file, :source_uri

  validates_format_of :source_uri,
    :with => URI::regexp(%w(http https file gopher)),
    :if => :source_uri?

  validate :validates_file_or_source_uri

  validate :validates_size_of_raw_file, :if => :raw_file?

  def parse
    raise ArgumentError.new('No raw_file set.') unless raw_file?

    begin
      path = Hets.parse(self.raw_file.current_path)
    rescue Hets::HetsError => e
      self.ontology.state = 'failed'
      raise e
    end

    self.xml_file = File.open(path)
    self.save!

    self.ontology.import_latest_version

    File.delete(path)
  end

protected

  def validates_file_or_source_uri
    if source_uri? and raw_file?
      errors.add :source_uri, 'Specify source URI OR file.'
    end
  end

  def validates_size_of_raw_file
    if raw_file.size > 10.megabytes.to_i
      errors.add :raw_file, 'Maximum upload size is 10M.'
    end
  end
end