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path: root/src/main/scala/reading/component/index/BookDetail.scala
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package reading.component.index

import scala.util.Random

import scalacss.Defaults._
import scalacss.ScalatagsCss._
import scalatags.JsDom.all._

import reading.component.index.style.{ BookDetail => BookStyle }
import reading.component.widget.AnimateMethod
import reading.models.{ Book, Program }

object BookDetail {
  val componentId = s"books${Random.nextInt}"

  def apply(book: Book, parentId: String, onClose: => Unit): Frag = {
    val titleParts = if (book.parts > 1) s", ${book.parts} volumes" else ""
    val grades = book.programs.map(Program.grade(_)).distinct.sorted

    AnimateMethod.fadeIn(componentId)

    div(
      BookStyle.render,
      BookStyle.detail,
      id := componentId,

      img(
        BookStyle.cover,
        src := s"cover/${book.title}.jpg",
        alt := s"${book.title}, ${book.author}"
      ),

      div(
        BookStyle.presentation,
        div(BookStyle.title, s"${book.title}$titleParts"),
        div(BookStyle.author, book.author),

        book.resume match {
          case Some(resume) =>
            p(BookStyle.resume, raw(resume))
          case _ =>
            span("")
        },

        dl(
          BookStyle.definitions,

          grades.map { grade =>
            val programs = book.programs.filter(p => Program.grade(p) == grade).sorted
            val pp = grade.prettyPrint
            definition(pp, pp, programs.map(p => s"« ${p.prettyPrint} »"))
          },
          if (book.themes.nonEmpty) {
            definition("thème", "thèmes", book.themes.sorted.map(_.prettyPrint))
          },
          if (book.genres.nonEmpty) {
            definition("genre", "genres", book.genres.sorted.map(_.prettyPrint))
          },
          definition("niveau", "niveaux", Seq(book.level.prettyPrint))
        ),

        button(
          BookStyle.close,
          onclick := (() => onClose),
          "Fermer"
        )
      )
    )
  }

  private def definition(key: String, pluralKey: String, values: Seq[String]): Seq[Frag] = {
    val term = if (values.length > 1) pluralKey else key
    Seq(
      dt(BookStyle.definitionTerm, s"${term.capitalize} :"),
      dd(BookStyle.definitionDescription, values.mkString(", "))
    )
  }
}