scala-play-server.extensibleObjectJsonFormat.mustache Maven / Gradle / Ivy

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There is a newer version: 7.9.0

{{#hasVars}}
val realJsonFormat = Json.format[{{classname}}]
val declaredPropNames = Set({{#vars}}"{{&name}}"{{^-last}}, {{/-last}}{{/vars}})

Format(
  Reads {
    case JsObject(xs) =>
      val declaredProps = xs.filterKeys(declaredPropNames)
      val additionalProps = JsObject(xs -- declaredPropNames)
      val restructuredProps = declaredProps + ("additionalProperties" -> additionalProps)
      val newObj = JsObject(restructuredProps)
      realJsonFormat.reads(newObj)
    case _ =>
      JsError("error.expected.jsobject")
  },
  Writes { {{classVarName}} =>
    val jsObj = realJsonFormat.writes({{classVarName}})
    val additionalProps = jsObj.value("additionalProperties").as[JsObject]
    val declaredProps = jsObj - "additionalProperties"
    val newObj = declaredProps ++ additionalProps
    newObj
  }
){{/hasVars}}{{^hasVars}}
{{>simpleParentJsonFormat}}
{{/hasVars}}