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BEKK kodekveld - Extreme Startup - refac
organization := "bekk"
name := "kodekveld"
version := "0.1.0-SNAPSHOT"
scalaVersion := "2.9.1"
seq(webSettings:_*)
libraryDependencies ++= Seq(
"org.scalatra" %% "scalatra" % "2.0.1",
"org.scalatra" %% "scalatra-scalate" % "2.0.1",
"org.scalatra" %% "scalatra-scalatest" % "2.0.1" % "test",
"org.eclipse.jetty" % "jetty-webapp" % "7.4.5.v20110725" % "jetty",
"org.eclipse.jetty" % "jetty-webapp" % "7.4.5.v20110725",
"javax.servlet" % "servlet-api" % "2.5" % "provided",
"org.scalatest" % "scalatest_2.9.0" % "1.6.1" % "test"
)
resolvers += "Sonatype OSS Snapshots" at "http://oss.sonatype.org/content/repositories/snapshots/"
import util.matching.Regex
object ExtremeStartup {
def answer(q: String): Any = {
if (q.contains("what is your name"))
return "Mikkel"
if (q.contains("which city is the Eiffel tower in"))
return "Paris"
if (q.contains("what is the twitter id of the organizer of this dojo"))
return "olemartin"
if (q.contains("who is the Prime Minister of Great Britain"))
return "David Cameron"
if (q.contains("what colour is a banana"))
return "yellow"
if (q.contains("who played James Bond in the film Dr No"))
return "Sean Connery"
if (q.contains("what currency did Spain use before the Euro"))
return "Peseta"
"""my name is (\w+). what is my name""".r.findFirstMatchIn(q) match {
case Some(m) => return m.group(1)
case _ =>
}
// math
"""what is (\d+) ([a-z ]+) (\d+)""".r.findAllIn(q).matchData.foreach {
m => {
val num1 = m.group(1).toInt
val op = m.group(2)
val num2 = m.group(3).toInt
op match {
case "plus" => return num1 + num2
case "minus" => return num1 - num2
case "divided by" => return num1 / num2
case "multiplied by" => return num1 * num2
case "to the power of" => return math.pow(num1, num2)
}
}
}
""".*which of the following numbers is the largest: (.*)""".r.findFirstMatchIn(q) match {
case Some(m) => return getNumberList(m.group(1)).max
case None =>
}
"""which of the following numbers is both a square and a cube: (.*)""".r.findFirstMatchIn(q) match {
case Some(m) => return getFilteredNumbersString(m, isSquareAndCube)
case None =>
}
"""which of the following numbers are primes: (.*)""".r.findFirstMatchIn(q) match {
case Some(m) => return getFilteredNumbersString(m, isPrime)
case None =>
}
"""what is the (\d+)th number in the Fibonacci sequence""".r.findFirstMatchIn(q) match {
case Some(m) => return fibonacci(m.group(1).toInt)
case None =>
}
""
}
def getFilteredNumbersString(m: Regex.Match, p: Int => Boolean) = getNumberList(m.group(1)).filter(p(_)).mkString(", ")
def getNumberList(numberString: String) = numberString.split(',').map(_.trim.toInt).toList
def isPrime(n: Int) = (2 until n) forall (n % _ != 0)
def fibonacci(num: Int) = fibonacciTR(num, 1, 0)
def fibonacciTR(num: Int, nxt: Int, res: Int): Int = {
num match {
case 0 => res
case _ => fibonacciTR(num - 1, nxt + res, nxt)
}
}
def isSquareAndCube(x : Int) = math.sqrt(x) % 1 == 0 && math.cbrt(x) % 1 == 0
}
import org.scalatra._
class ExtremeStartupServlet extends ScalatraServlet {
get("/") {
val q = params("q")
println("QUESTION = " + q)
try {
val answer = ExtremeStartup.answer(q).toString
println("ANSWER = " + answer)
answer
} catch {
case _ => ""
}
}
notFound {
println(request.getRequestURI)
""
}
}
import org.scalatra.test.scalatest.ScalatraFunSuite
class ExtremeStartupServletTest extends ScalatraFunSuite {
test("what is your name") {
answerTo("fc480360: what is your name") should be("Mikkel")
}
test("my name is") {
answerTo("ff4970f0: my name is bob. what is my name") should be ("bob")
}
test("addition") {
answerTo("05450bb0: what is 9 plus 9") should be("18")
}
test("multiplication") {
answerTo("05450bb0: what is 4 multiplied by 4") should be("16")
}
test("subtraction") {
answerTo("05450bb0: what is 9 minus 17") should be("-8")
}
test("largest number") {
answerTo("05450bb0: which of the following numbers is the largest: 12, 15, 31, 17") should be ("31")
}
test("prime numbers") {
answerTo("05450bb0: which of the following numbers are primes: 5, 7, 149, 720, 553, 257") should be ("5, 7, 149, 257")
}
test("fibonacci") {
answerTo("0b6768b0: what is the 14th number in the Fibonacci sequence") should be ("377")
}
test("square and cube") {
answerTo("05450bb0: which of the following numbers is both a square and a cube: 729, 303") should be ("729")
}
addServlet(classOf[ExtremeStartupServlet], "/*")
def question(q: String) : (String, String) = ("q", q)
def answerTo(q: String) : String = {
get("/", question(q)) {
status should be(200)
body
}
}
}
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