1 files changed, 15 insertions, 3 deletions
diff --git a/shared/ApiProtocol.scala b/shared/ApiProtocol.scala
index 5d0e00a..eb6da0b 100644
--- a/shared/ApiProtocol.scala
+++ b/shared/ApiProtocol.scala
@@ -1,12 +1,24 @@
 package triad
 
 import java.time.Instant
-import spray.json.{DerivedJsonProtocol, JsNumber, JsValue, JsonFormat}
+import spray.json.{
+  DefaultJsonProtocol,
+  JsNumber,
+  JsValue,
+  JsonFormat,
+  RootJsonFormat
+}
 
-object ApiProtocol extends DerivedJsonProtocol {
+object ApiProtocol extends DefaultJsonProtocol {
   implicit val timestampFormat: JsonFormat[Instant] = new JsonFormat[Instant] {
     def read(js: JsValue) = Instant.ofEpochMilli(js.convertTo[Long])
     def write(i: Instant) = JsNumber(i.toEpochMilli)
   }
-  implicit val messageFormat = jsonFormat[Message]
+
+  implicit val messageFormat: RootJsonFormat[Message] = jsonFormat(
+    Message.apply _,
+    "content",
+    "author",
+    "timestamp"
+  )
 }