Fines...

fines.rb

require 'nokogiri'
require 'dbf'

require 'ostruct'

class Dictionary
  def initialize
    @doc = Nokogiri::XML(File.open("dictionaries/F014.xml"))
  end

  def find_kod_by_osn(osn)
    @doc.xpath("//item").each do |i|
      return i.attr("Kod") if i.attr("Osn") == osn
    end
  end
end

class Fines
  def self.start(xml, dbf)
    @xml = Nokogiri::XML(File.open(xml))
    @dbf = DBF::Table.new(dbf)
    @dictionary = Dictionary.new

    set_default_values

    find_records
    set_fines
  end

  private

  def self.set_default_values
    @xml.xpath("//SCHET").xpath("SENK_EKMP")[0].content = 0.0
    @xml.xpath("//SCHET").xpath("SENK_MEE")[0].content = 0.0
    @xml.xpath("//SCHET").xpath("SENK_MEK")[0].content = 0.0

    @xml.xpath("//ZAP").each do |z|
      z.xpath("SLUCH").xpath("SUMP")[0].content = z.xpath("SLUCH").xpath("SUMV")[0].content

      z.xpath("SLUCH").xpath("SENK_MEE")[0].content = 0.0
      z.xpath("SLUCH").xpath("SENK_EKMP")[0].content = 0.0
      z.xpath("SLUCH").xpath("SENK_MEK")[0].content = 0.0
    end
  end

  def self.find_records
    @records =[]
    @dbf.each do |r|
      @records << OpenStruct.new(polis: r.sn_pol, reason: r.name_pp, sum: r.r_result) if r.r_result != 0.0
    end
  end

  def self.set_fines
    sank_mek = 0.0
    sank_mee = 0.0
    sank_ekmp = 0.0

    @records.each do |r|
      @xml.xpath("//ZAP").each do |z|
        spolis = z.xpath("PACIENT").xpath("SPOLIS").text
        npolis = z.xpath("PACIENT").xpath("NPOLIS").text

        spolis.empty? ? polis = npolis : polis = "#{spolis} #{npolis}"

        if polis == r.polis
          sumv = z.xpath("SLUCH").xpath("SUMV").text.to_f
          sump = (sumv - r.sum).round(2)
          refreason = @dictionary.find_kod_by_osn(r.reason) 

          z.xpath("SLUCH").xpath("SUMP")[0].content = sump
          z.xpath("SLUCH").xpath("REFREASON")[0].content = refreason

          if r.reason.start_with?("3")
            z.xpath("SLUCH").xpath("SENK_EKMP")[0].content = r.sum
            sank_ekmp += r.sum
          end
          if r.reason.start_with?("4")
            z.xpath("SLUCH").xpath("SENK_MEE")[0].content = r.sum
            sank_mee += r.sum
          end
        end
      end
    end

    @xml.xpath("//SCHET").xpath("SENK_EKMP")[0].content = sank_ekmp
    @xml.xpath("//SCHET").xpath("SENK_MEE")[0].content = sank_mee
    @xml.xpath("//SCHET").xpath("SENK_MEK")[0].content = sank_mek

    File.open("out.xml", 'w') { |f| f.write(@xml.to_xml) }
  end
end

Fines.start(ARGV[0], ARGV[1])