From 0e67322ed60eb4b624636847c59178edf03a6dfb Mon Sep 17 00:00:00 2001
From: adamw <adam@warski.org>
Date: Tue, 16 Mar 2021 14:56:42 +0100
Subject: [PATCH] Move serialisation to .toString

---
 .../sttp/model/sse/ServerSentEvent.scala      | 30 +++++++++----------
 .../sttp/model/sse/ServerSentEventTest.scala  | 10 +++----
 2 files changed, 19 insertions(+), 21 deletions(-)

diff --git a/core/src/main/scala/sttp/model/sse/ServerSentEvent.scala b/core/src/main/scala/sttp/model/sse/ServerSentEvent.scala
index 34020d44..98ecd7cf 100644
--- a/core/src/main/scala/sttp/model/sse/ServerSentEvent.scala
+++ b/core/src/main/scala/sttp/model/sse/ServerSentEvent.scala
@@ -3,11 +3,19 @@ package sttp.model.sse
 import scala.util.Try
 
 case class ServerSentEvent(
-                            data: Option[String] = None,
-                            eventType: Option[String] = None,
-                            id: Option[String] = None,
-                            retry: Option[Int] = None
-                          )
+    data: Option[String] = None,
+    eventType: Option[String] = None,
+    id: Option[String] = None,
+    retry: Option[Int] = None
+) {
+  override def toString: String = {
+    val _data = data.map(_.split("\n")).map(_.map(line => Some(s"data: $line"))).getOrElse(Array.empty[Option[String]])
+    val _event = eventType.map(event => s"event: $event")
+    val _id = id.map(id => s"id: $id")
+    val _retry = retry.map(retryCount => s"retry: $retryCount")
+    (_data :+ _event :+ _id :+ _retry).flatten.mkString("\n")
+  }
+}
 
 object ServerSentEvent {
   // https://html.spec.whatwg.org/multipage/server-sent-events.html
@@ -24,18 +32,10 @@ object ServerSentEvent {
     }
   }
 
-  def composeSSE(sse: ServerSentEvent): String = {
-    val data = sse.data.map(_.split("\n")).map(_.map(line => Some(s"data: $line"))).getOrElse(Array.empty[Option[String]])
-    val event = sse.eventType.map(event => s"event: $event")
-    val id = sse.id.map(id => s"id: $id")
-    val retry = sse.retry.map(retryCount => s"retry: $retryCount")
-    (data :+ event :+ id :+ retry).flatten.mkString("\n")
-  }
-
   private def combineData(event: ServerSentEvent, newData: String): ServerSentEvent = {
     event match {
-      case e@ServerSentEvent(Some(oldData), _, _, _) => e.copy(data = Some(s"$oldData\n$newData"))
-      case e@ServerSentEvent(None, _, _, _) => e.copy(data = Some(newData))
+      case e @ ServerSentEvent(Some(oldData), _, _, _) => e.copy(data = Some(s"$oldData\n$newData"))
+      case e @ ServerSentEvent(None, _, _, _)          => e.copy(data = Some(newData))
     }
   }
 
diff --git a/core/src/test/scala/sttp/model/sse/ServerSentEventTest.scala b/core/src/test/scala/sttp/model/sse/ServerSentEventTest.scala
index 255fcba4..0143a40e 100644
--- a/core/src/test/scala/sttp/model/sse/ServerSentEventTest.scala
+++ b/core/src/test/scala/sttp/model/sse/ServerSentEventTest.scala
@@ -29,10 +29,9 @@ class ServerSentEventTest extends AnyFlatSpec with Matchers {
     }
   }
 
-
   "composeSSE" should "successfully serialise Server Sent Event with all fields set" in {
     val sse = ServerSentEvent(Some("data"), Some("event"), Some("id1"), Some(10))
-    ServerSentEvent.composeSSE(sse) shouldBe
+    sse.toString shouldBe
       s"""data: data
          |event: event
          |id: id1
@@ -41,15 +40,14 @@ class ServerSentEventTest extends AnyFlatSpec with Matchers {
 
   "composeSSE" should "omit fields that are not set" in {
     val sse = ServerSentEvent(Some("data"), None, Some("id1"), None)
-    ServerSentEvent.composeSSE(sse) shouldBe
+    sse.toString shouldBe
       s"""data: data
          |id: id1""".stripMargin
   }
 
   "composeSSE" should "successfully serialise multiline data event" in {
     val sse = ServerSentEvent(
-      Some(
-        """some data info 1
+      Some("""some data info 1
           |some data info 2
           |some data info 3""".stripMargin),
       None,
@@ -57,7 +55,7 @@ class ServerSentEventTest extends AnyFlatSpec with Matchers {
       None
     )
 
-    ServerSentEvent.composeSSE(sse) shouldBe
+    sse.toString shouldBe
       s"""data: some data info 1
          |data: some data info 2
          |data: some data info 3""".stripMargin