Convert a Django-Zinnia blog to Ikiwiki

Zinnia2Ikiwiki.scala

import java.io._
import java.util.Date
import java.text.SimpleDateFormat

import scala.io.Source

import net.liftweb.json._
import net.liftweb.util.Helpers._

object Zinnia2Ikiwiki extends Application {

  // read and parse JSON dump from Django
  val data = Source.fromFile("live-data.json")
  val json = parse(data.mkString)

  // filter to get just the relevant entries
  val postsData = json.filter(_ \ "model" == JString("zinnia.entry"))

  // define the structure of a blog post
  case class BlogFields(
    status: Int,
    login_required: Boolean,
    password: String,
    end_publication: Date,
    template: String,
    comment_enabled: Boolean,
    tags: String,
    image: String,
    title: String,
    excerpt: String,
    sites: List[Int],
    related: List[Int],
    creation_date: Date,
    content: String,
    featured: Boolean,
    start_publication: Date,
    pingback_enabled: Boolean,
    authors: List[Int],
    last_update: Date,
    slug: String,
    categories: List[Int])
  case class Blog(
    pk: Int,
    model: String,
    fields: BlogFields)

  // extract post data
  object MyFormats extends DefaultFormats {
    object MyDateFormat extends DateFormat {
      val df = new SimpleDateFormat("yyy-MM-dd HH:mm:ss")
      def parse(s: String) = tryo { df.parse(s) }
      def format(d: Date) = df.format(d)
    }
    override val dateFormat = MyDateFormat
  }
  implicit val formats = MyFormats
  val posts = postsData.map(p => p.extract[Blog])
  println(posts)
  
  // write the contents of the blog post to directory structure
  posts.filter(_.fields.status == 2).foreach(p => {
    val dir = "/PATH_TO_WEBLOG/" + ("%tY/%<tm/%<td" format p.fields.creation_date)
    // create folder if not exists
    (new File(dir)).mkdirs
    // write to file
    val fname = dir + "/" + p.fields.slug + ".mdwn"
    val out = new FileWriter(fname)
    out.write("""[[!meta author="%s"]]
[[!meta date="%s"]]
[[!meta title="%s"]]
[[!tag %s]]

""".format("AUTHOR", p.fields.creation_date, p.fields.title, p.fields.tags.split(",").mkString))
    out.write(p.fields.content)
    out.close
  })
  
}