gistfile1.js

express = require("express")
app = module.exports = express.createServer()

app.configure ->
  app.use express.bodyParser()
  app.use app.router

ans =
  tallErStorst: 
    rex: /^(.*)\: hvilket av disse tallene er storst\:\s(.*)/,
    compute: (match, cb) ->
      ##console.log("COMPUTE", match)
      asd = match[2].replace(/^\s/).split(",")
      asd.sort (a, b) -> (1*a) < (1*b)
      cb(asd[0] + "")
    
  tallPlussTall:
    rex: /^(.*)\: hva er (\d+) pluss (\d+)$/
    compute: (match, cb) ->
      cb(  ((match[2] * 1) + ( match[3] * 1)) + "")
      
  tallPlussTallGangerMed:
    rex: /^(.*)\: hva er (\d+) pluss (\d+) ganget med (\d+)$/
    compute: (match, cb) ->
      cb(  (((match[2] * 1) + ( match[3] * 1)) *(match[4])) + "")
      
  tallMinus:
    rex: /^(.*)\: hva er (\d+) minus (\d+)/
    compute: (match, cb) ->
      cb(  ((match[2] * 1) - ( match[3] * 1)) + "")    
      
  produkter:
    rex: /^(.*)\: hvilke produkter har du til salgs \(kommaseparert\)/
    compute: (match, cb) ->
      cb("Olga, Snelga, Helga")
  
  pris: 
    rex: /^(.*)\: hvor mange kroner koster ett stykk (\S+)$/
    compute: (match, cb) ->
      if (match[2] == "Olga")
        cb("2000") 
      else if (match[2] == "Snelga")
        cb("3000") 
      else if (match[2] == "Helga")
        cb("4000") 
      else
        cb("0")

  ganger: 
    rex: /^(.*)\: hva er (\d+) ganget med (\d+)$/
    compute: (match, cb) ->
      cb(match[2] * match[3] + "")
  
  gangerPluss: 
    rex: /^(.*)\: hva er (\d+) ganget med (\d+) pluss (\d+)/
    compute: (match, cb) ->
      cb(((match[2] * match[3]) + (match[4]*1))+ "")      
      
  delt:
    rex: /^(.*)\: hva er (\d+) delt med (\d+)/
    compute: (match, cb) ->
      cb((match[2] / match[3]) + "")
      
  firma:
    rex: /^(.*)\: hvilket firma jobber Magnar og Kjetil i/
    compute: (match, cb) ->
      cb('Kodemaker')
      
  navn: 
    rex: /^(.*)\: mitt navn er ([a-zA-Z]+). hva heter jeg/
    compute: (match, cb) ->      
      cb(match[2])
  
  fib:
    rex: /^(.*)\: hva er det (\d+)\. nummeret i Fibonaccirekken/
    compute: (match, cb) ->
      cb(fibMe(match[2]))


fibMe = (fibTo, i = 0, a = 0, b = 1) ->
  newB = a + b
  return a if i == fibTo
  fibMe(fibTo, i + 1, b, newB) 


quest = (question, cb) ->
  resultComputed = false;
  for obj of ans
    OBJ = ans[obj]
    match = question.match(OBJ.rex)
    if (match and match.length > 0)
      OBJ.compute(match, cb)
      resultComputed = true
      
  if not resultComputed
    cb("MISS")
  

app.get "*", (req, res) ->
  return res.send "undefined" if not req.query.q?
  quest req.query.q, (result) ->
    console.log("SENDING RESULT", req.query.q, result)
    res.send result