class Geocoder::Lookup::Yahoo

def map_link_url(coordinates)
  "http://maps.yahoo.com/#lat=#{coordinates[0]}&lon=#{coordinates[1]}"
end

def query_url(query, reverse = false)
  params = {
    :location => query,
    :flags => "JXTSR",
    :gflags => "AC#{'R' if reverse}",
    :locale => "#{Geocoder::Configuration.language}_US",
    :appid => Geocoder::Configuration.api_key
  }
  "http://where.yahooapis.com/geocode?" + hash_to_query(params)
end

def results(query, reverse = false)
  return [] unless doc = fetch_data(query, reverse)
  if doc = doc['ResultSet'] and doc['Error'] == 0
    return doc['Found'] > 0 ? doc['Results'] : []
  else
    warn "Yahoo Geocoding API error: #{doc['Error']} (#{doc['ErrorMessage']})."
    return []
  end
end