From 374ea231b13abc7510fadb5399811e5233d017c3 Mon Sep 17 00:00:00 2001
From: Manuel Fuchs <manuel.fuchs@salesforce.com>
Date: Wed, 5 Apr 2023 12:29:59 +0200
Subject: [PATCH] Add convert endpoint

---
 app/controllers/Application.scala | 10 ++++++++++
 build.sbt                         |  3 ++-
 conf/routes                       |  1 +
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/app/controllers/Application.scala b/app/controllers/Application.scala
index 0fbccb4..dcebcd9 100644
--- a/app/controllers/Application.scala
+++ b/app/controllers/Application.scala
@@ -4,6 +4,9 @@ import javax.inject._
 import play.api._
 import play.api.db.Database
 import play.api.mvc._
+import org.jscience.physics.amount.Amount
+import org.jscience.physics.model.RelativisticModel
+import javax.measure.unit.SI
 
 @Singleton
 class Application @Inject()(val controllerComponents: ControllerComponents, val database: Database) extends BaseController {
@@ -12,6 +15,13 @@ class Application @Inject()(val controllerComponents: ControllerComponents, val
     Ok(views.html.index())
   }
 
+  def convert(): Action[AnyContent] = Action { implicit request: Request[AnyContent] =>
+    RelativisticModel.select()
+    val energy = Amount.valueOf("12 GeV");
+
+    Ok("E=mc^2: " + energy + " = " + energy.to(SI.KILOGRAM))
+  }
+
   def db(): Action[AnyContent] = Action { implicit request: Request[AnyContent] =>
     // In this getting started app, we don't use a custom execution context to keep the code and configuration simple.
     // For real-world apps, consult the Play documentation on how to configure custom contexts and how to use them:
diff --git a/build.sbt b/build.sbt
index 6f0bb02..5496b9f 100644
--- a/build.sbt
+++ b/build.sbt
@@ -13,7 +13,8 @@ libraryDependencies += "org.scalatestplus.play" %% "scalatestplus-play" % "5.0.0
 libraryDependencies ++= Seq(
   "com.google.inject"            % "guice"                % "5.1.0",
   "com.google.inject.extensions" % "guice-assistedinject" % "5.1.0",
-  "org.postgresql" % "postgresql" % "42.6.0"
+  "org.postgresql" % "postgresql" % "42.6.0",
+  "org.jscience" % "jscience" % "4.3.1"
 )
 
 // Adds additional packages into Twirl
diff --git a/conf/routes b/conf/routes
index b22a4d5..dd0021b 100644
--- a/conf/routes
+++ b/conf/routes
@@ -5,6 +5,7 @@
 
 GET     /                           controllers.Application.index()
 GET     /database                   controllers.Application.db()
+GET     /convert                    controllers.Application.convert()
 
 # Map static resources from the /public folder to the /assets URL path
 GET     /assets/*file               controllers.Assets.versioned(path="/public", file: Asset)