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package code.snippet


import code.model.{Job, Project}
import net.liftweb.common._
import net.liftweb.http.S._
import net.liftweb.http.SHtml._
import net.liftweb.http._
import net.liftweb.http.js.JsCmd
import net.liftweb.http.js.JsCmds._
import net.liftweb.json.Printer
import net.liftweb.mapper.{By, ByList, MaxRows, StartAt}
import net.liftweb.util.Helpers._

import scala.xml.{Group, NodeSeq}

object SelectedProject {

  val initProject = {
    val projects = Project.findAll().map(f => f.projectName.get)
    if (projects.isEmpty) "" else projects.head
  }



}
object selectedProjectName extends SessionVar[String](SelectedProject.initProject)
class JobRender extends PaginatorSnippet[Job] {


  val projects = {
    Project.findAll().map(f => f.projectName.get).map(s => (s, s))
  }
  var projectName = selectedProjectName.get

  // inject the date

  override def count: Long = Job.findAll(
    ByList(Job.project, getProjects(projectName))).size

  def getProjects(name: String): List[Long] = {

    name match {
      case "" => List()
      case x: String => {
        val projectIds = Project.findAll(By(Project.projectName, x)).map(f => f.id.get)
        projectIds
      }
      case _ => List()

    }

  }

  def selectProject = {
    "#project" #> ajaxSelect(projects, Full(projectName), { s =>
      replace(s)
    }, "class" -> "form-control input-sm")
  }

  private def replace(collection: String): JsCmd = {
    selectedProjectName.set(collection)
    RedirectTo("index.html", () => {
      S.notice(" Project changed to: " + selectedProjectName.get)
    })

  }

  def jobs: NodeSeq = {


    // get and display each of the jobs
    page.flatMap(u => 

      
        {u.mainClassName.get}
      
      
        {link("/components/job/edit", () => selectedJob(Full(u)), )}{link("/components/job/delete", () => selectedJob(Full(u)), )}
      
    )

  }

  override def page: Seq[Job] = Job.findAll(
    ByList(Job.project, getProjects(projectName)),
    StartAt(curPage * itemsPerPage), MaxRows(itemsPerPage))

  /**
    * Confirm deleting a user
    */
  def confirmDelete = {
    (for (job <- selectedJob.is) // find the job
      yield {
        def deleteJob() {
          notice("Job " + (job.mainClassName) + " deleted")
          job.delete_!
          redirectTo("/components/job/index.html")
        }

        // bind the incoming XHTML to a "delete" button.
        // when the delete button is pressed, call the "deleteJob"
        // function (which is a closure and bound the "job" object
        // in the current content)
        ".job" #> (job.mainClassName.get) &
          ".delete" #> submit("Delete", deleteJob _, "class" -> "btn btn-primary")

        // if the was no ID or the job couldn't be found,
        // display an error and redirect
      }) openOr {
      error("Job not found");
      redirectTo("/components/job/index.html")
    }
  }

  def add(xhtml: Group): NodeSeq =
    selectedJob.is.openOr(new Job).toForm(Empty, saveJob _) ++ 
      
      
        Cancel
      
    

  // called when the form is submitted
  private def saveJob(job: Job) = job.validate match {
    // no validation errors, save the job, and go
    // back to the "list" page
    case Nil => {

      val argsText = Printer.pretty(net.liftweb.json.render(net.liftweb.json.parse(job.arguments.get.toString)))

      job
        .arguments(argsText)
        .save
      redirectTo("/components/job/index.html")
    }

    // oops... validation errors
    // display the errors and make sure our selected job is still the same
    case x => error(x); selectedJob(Full(job))
  }

  /**
    * Edit a job
    */


  def edit(xhtml: Group): NodeSeq =
    selectedJob.map(_.
      // get the form data for the job and when the form
      // is submitted, call the passed function.
      // That means, when the job submits the form,
      // the fields that were typed into will be populated into
      // "job" and "saveJob" will be called.  The
      // form fields are bound to the model's fields by this
      // call.
      toForm(Empty, saveJob _) ++ 
      
      
        Cancel
      
    


      // bail out if the ID is not supplied or the job's not found
    ) openOr {
      error("Job not found");
      redirectTo("/components/job/index.html")
    }

  private object selectedJob extends RequestVar[Box[Job]](Empty)

}