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August 29, 2015 14:09
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filterTransform
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val objTransformer = | |
(__ \ "_embedded" \ "contract").json.copyFrom( | |
(__ \ "contract").readNullable[JsArray].map(_.getOrElse(JsArray())) | |
) and | |
(__ \ "_embedded" \ "comment").json.copyFrom( | |
(__ \ "comment").readNullable[Comment].filter(reviewOpt => isApproved(reviewOpt)) | |
) | |
(__ \ "title").readNullable[String].map(_.fold(JsObject(Nil))(s => Json.obj("title" -> s))) | |
def isApproved(commentOpt : Option[Comment]) = { | |
(for { | |
comment <- commentOpt | |
status <- comment.status | |
} yield { | |
status==Status.approved | |
}).getOrElse(false) | |
} |
contract est optional et il doit resortir dans le json si contract est présent et que son statut est approuvé
J'ai tenté un truc comme çà également :
Reads.verifyingIf((obj: JsObject) => (obj \ "comment" \ "status").as[String].equals("approved"))(extractComment)
def extractComment: Reads[JsObject] = {
(__ \ "username").json.prune
(__ \ "timestamps").json.prune
}
mais ça ne marche pas avec le orElse
?
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T'as tenté ça?
(__ \ "contract").readNullable[JsArray] orElse Reads.pure(JsArray())