Merge branch 'master' into PDSUI-2330

1 files changed, 45 insertions, 0 deletions

diff --git a/src/main/scala/xyz/driver/pdsuidomain/formats/json/sprayformats/listresponse.scala b/src/main/scala/xyz/driver/pdsuidomain/formats/json/sprayformats/listresponse.scala
new file mode 100644
index 0000000..20644dc
--- /dev/null
+++ b/src/main/scala/xyz/driver/pdsuidomain/formats/json/sprayformats/listresponse.scala
@@ -0,0 +1,45 @@
+package xyz.driver.pdsuidomain.formats.json.sprayformats
+
+import spray.json._
+import spray.json.DefaultJsonProtocol._
+import xyz.driver.pdsuidomain.ListResponse
+import xyz.driver.pdsuidomain.formats.json.sprayformats.common._
+
+object listresponse {
+  private val itemsField = "items"
+  private val metaField  = "meta"
+
+  implicit val listResponseMetaFormat: RootJsonFormat[ListResponse.Meta] = jsonFormat4(ListResponse.Meta.apply)
+
+  implicit def listResponseWriter[T: JsonWriter]: RootJsonWriter[ListResponse[T]] =
+    new RootJsonWriter[ListResponse[T]] {
+      override def write(listResponse: ListResponse[T]): JsValue = {
+        JsObject(
+          itemsField -> listResponse.items.map(_.toJson).toJson,
+          metaField  -> listResponse.meta.toJson
+        )
+      }
+    }
+
+  implicit def listResponseReader[T: JsonReader]: RootJsonReader[ListResponse[T]] =
+    new RootJsonReader[ListResponse[T]] {
+      override def read(json: JsValue): ListResponse[T] = json match {
+        case JsObject(fields) =>
+          val items = fields
+            .get(itemsField)
+            .map {
+              case JsArray(elements) => elements.map(_.convertTo[T])(collection.breakOut)
+              case x                 => deserializationError(s"Expected Array as JsArray, but got $x")
+            }
+            .getOrElse(deserializationError(s"ListResponse json object does not contain `$itemsField` field: $json"))
+
+          val meta = fields
+            .get(metaField)
+            .map(_.convertTo[ListResponse.Meta])
+            .getOrElse(deserializationError(s"ListResponse json object does not contain `$metaField` field: $json"))
+
+          ListResponse(items, meta)
+        case _ => deserializationError(s"Expected ListResponse json object, but got $json")
+      }
+    }
+}