create links to sunflower jbrowse from blast server

ss_links.rb

# -*- coding: utf-8 -*-
module SequenceServer
  # Module to contain methods for generating sequence retrieval links.
  module Links
    require 'erb'

    include ERB::Util

    alias_method :encode, :url_encode

    BRONZE_ID_PATTERN = /(Ha\d+)/

    def bronze
      return nil unless id.match(BRONZE_ID_PATTERN)
      bronze_id = Regexp.last_match[1]
      bronze_id = encode bronze_id

      best_start = ""
      best_end = ""
      bscore = hsps.map(&:bit_score).max
      hsps.each do |hsp, value|
        if bscore == hsp.bit_score
          best_start = hsp.sstart
          best_end = hsp.send
        end
      end
      
      url = "http://sunflowergenome.org/jbrowse_current/?data=extdata%2Fbronze" \
      "&loc=#{bronze_id}%3A#{best_start}..#{best_end}" \
      "&highlight=#{bronze_id}%3A#{best_start}..#{best_end}" \
      "&tracks=Genes%2CTranscript%2CTIRs%2CHelitrons%2Cnon_LTR_retrotransposons%2C" \
      "TRIM_retrotransposons%2CLTR_retrotransposons"
      
      {
        :order => 2,
        :title => 'HA412HO bronze genome browser - (best hit)',
        :url   => url,
        :icon  => 'fa-external-link'
      }
    end
  end
end