Add addCookie and addCookies to Request/Response (zio#3365) (zio#3410)

Author: 987Nabil

zio-http/jvm/src/test/scala/zio/http/ServerRuntimeSpec.scala

@@ -116,7 +116,7 @@ object ServerRuntimeSpec extends RoutesRunnableSpec {
             .zipRight(routes.deploy.body.run(path = Path.root / "test", method = Method.GET))
             .flatMap(_.asString(Charsets.Utf8))
             .map(b => assertTrue(b == "ok")) *> ref.get.map { v => assertTrue(v == 1) }
-        }
+        } @@ TestAspect.flaky
     }
       .provide(
         Scope.default,

zio-http/shared/src/main/scala/zio/http/Request.scala

@@ -61,6 +61,12 @@ final case class Request(
 
   def addLeadingSlash: Request = self.copy(url = url.addLeadingSlash)
 
+  def addCookie(cookie: Cookie.Request) =
+    updateHeaders(_.addHeader(Header.Cookie(NonEmptyChunk(cookie))))
+
+  def addCookies(cookie: Cookie.Request, cookies: Cookie.Request*) =
+    updateHeaders(_.addHeader(Header.Cookie(NonEmptyChunk(cookie, cookies: _*))))
+
   /**
    * Add trailing slash to the path.
    */

zio-http/shared/src/main/scala/zio/http/Response.scala

@@ -41,6 +41,9 @@ final case class Response(
   def addCookie(cookie: Cookie.Response): Response =
     self.copy(headers = self.headers ++ Headers(Header.SetCookie(cookie)))
 
+  def addCookies(cookie: Cookie.Response, cookies: Cookie.Response*) =
+    updateHeaders(_.addHeaders(Headers.fromIterable((cookie +: cookies).map(Header.SetCookie(_)))))
+
   /**
    * Adds flash values to the cookie-based flash-scope.
    */