not_a_mystery.rb

def needs_washup?(mech, invoice_rel)
  # Gets some info from the page at billing.flickelectric.co.nz/#{invoice_rel},
  # checks if the accuracy_status of the invoice is actual, and if the total due
  # equals 0. If accuracy_status is actual and total due != 0, return true, else false
  page = mech.get("https://uat-billing.flickelectric.co.nz/" + invoice_rel)
  accuracy_status = page.search('dl[id="invoice_details"]').to_s.include?("actual")
  invoice_lines = page.search('tfoot[class~="invoice-totals"]').children
  # Strip out all of the whitespace
  totals = invoice_lines.text.gsub(/\s+/, "")
  # Iterate backwards through until we get a $ character - this index will be
  # where to slice to get just the total due
  dollar = -1
  while totals[dollar] != '$'
    dollar -= 1
  end
  wash_up = (totals [dollar + 1..-1].to_f != 0.00) && accuracy_status
end