Soukay.go

fukong.go

package main

import (
  "fmt"
  "os"
  "strconv"
  "strings"
  "github.com/PuerkitoBio/goquery"
)

func main() {
  if len(os.Args) < 2 {
    printUsage()
    return
  }

  b := os.Args[1]

  bv, err := strconv.ParseFloat(b, 64)
  bv = bv * 10000
  if err != nil {
    printUsage()
    fmt.Println("[buget] needs to be a number")
    return
  }

  fv := 1
  tv := 3000
  var lm int

  for {
    mid := (fv + tv) / 2

    var r string
    var rv float64

    doc, err := goquery.NewDocument(fmt.Sprintf("http://vlshk.com/bc/jason.php?price=%v", mid))
    if err == nil {
      e := doc.Find(".summaryoutput .displaysection .displayrow:nth-child(2) .value")
      r = e.Text()
      if strings.Contains(r, "萬") {
        r = strings.Replace(e.Text(), "萬", "", 1)
        rv, _ = strconv.ParseFloat(r, 64)
        rv = rv * 10000
      } else {
        r = strings.Replace(e.Text(), "$", "", 1)
        rv, _ = strconv.ParseFloat(r, 64)
      }
    }

    if mid == lm {
      fmt.Printf("$%v萬樓 - $%s萬首期\n", mid, r)
      break
    }

    if bv > rv {
      lm = mid
      fv = mid
    } else if bv < rv {
      lm = mid
      tv = mid
    } else {
      fmt.Printf("$%v萬樓 - $%s萬首期\n", mid, r)
      break
    }
  }
}

func printUsage() {
  fmt.Println("Usage: ./fukong [budget], e.g. ./fukong 60")
}

soukay.go

require 'httparty'
require 'nokogiri'

f, t = (ARGV[0] || 350).to_i, (ARGV[1] || 450).to_i
f.step(t, 10).each do |v|
  r = HTTParty.get("http://vlshk.com/bc/jason.php?price=#{v}")
  doc = Nokogiri::HTML(r)

  soukay = doc.css('.summaryoutput .displaysection .displayrow:nth-of-type(1) .value').text
  puts "$#{v}萬 - #{soukay}"
end