com.gu.facia.client.models.package.scala Maven / Gradle / Ivy

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package com.gu.facia.client

import play.api.libs.json._
import org.joda.time.DateTime
import scala.util.{Failure, Success, Try}
import play.api.libs.json.JsString

package object models {
  /** However Facia Tool is serializing its date time, it's not doing so in a way that the default Play Formats for
    * Joda DateTime can understand.
    *
    * This makes me extremely sad.
    */
  implicit val jodaDateTimeFormats = new Reads[DateTime] {
    override def reads(json: JsValue): JsResult[DateTime] = json match {
      case JsString(dateTimeString) => Try { DateTime.parse(dateTimeString) } match {
        case Success(dateTime) => JsSuccess(dateTime)
        case Failure(error) => JsError(error.getMessage)
      }
      case JsNumber(dateTimeLong) => Try { new DateTime(dateTimeLong.toLong)} match {
        case Success(dateTime) => JsSuccess(dateTime)
        case Failure(error) => JsError(error.getMessage)
      }
      case _ => JsError(s"$json is not a date time string")
    }
  }
}