Playframework Scala Async controller for JSON request - scala

Question

I am trying to write an async PlayFramework controller that receives a POST request and creates a new object in the database:
def register = Action(BodyParsers.parse.json) { request =>
val businessInfoResult = request.body.validate[BusinessInfo]
businessInfoResult.fold(errors =>{
BadRequest(Json.obj("status"-> "Error", "message"->JsError.toJson(errors))) //Error on this line
}, businessInfo=> {
//save the object
Ok(Json.obj("status" ->"OK", "message" -> ("Place '"+ businessInfo.businessName +"' saved.") )) //Error on this line
})
}
However, it keeps throwing the error below:
reference to Json is ambiguous; it is imported twice in the same scope by import play.libs.Json and import play.mvc.BodyParser.Json AsyncController.scala
The errors are thrown at line 108 and 105 which correspond to lines commented with //Error on this line above (lines with BadRequest(..) and Ok(..))
How do I fix this issue? I can using new JsValue(Map(..)) but was wondering if there's any other way.
Thank you so much for your help.

Answer 1

Rather than Json, you probably want to call play.libs.Json. The problem here is that, considering the imports in your file, you have two objects / classes called Json and the compiler can't choose which one it should use. Calling play.libs.Json, you'll give the compiler enough information.

Answer 2

You could use one or more aliases in your imports:
import play.libs.Json
import play.mvc.BodyParser.{Json => JsonParser}
JsonParser is just an example. You can use anything you like as long as it's unique within the file.
Instead of writing Json (for play.mvc.BodyParser.Json) you could now use the alias JsonParser.
But are you sure you even need to import play.mvc.BodyParser.Json? Because you don't seem to use it.