Predecessor#to_gff method

gistfile1.txt

  def to_gff(extra = {})
    #arr should be hash of keys and values to add to the group attributes
    arr = extra.to_a
    
    gff = Bio::GFF::GFF3::Record.new(
    seqid = Reference.find(self.reference_id).name,
    source = self.source,
    feature = self.feature,
    start = self.start,
    stop = self.end,
    score = self.score,
    strand = self.strand,
    phase = self.phase,
    attributes = JSON.parse(self.group)
    )
    
    ##any extra attributes to be added to the group field done in here
    ##eg the created by edited by stuff
    old_id = self.old_id
    old_id = 'nil' if self.old_id.nil?
    gff.attributes << ['old_id', old_id]
    gff.attributes += arr
    gff.to_s

  end