Create a MongoDB test endpoint

backend-services/feed-service/app/controllers/MongoTestController.scala

+package controllers
+
+import javax.inject._
+import play.api._
+import play.api.mvc._
+
+import models.MongoDBClient
+import org.mongodb.scala.{Document}
+import scala.concurrent.ExecutionContext.Implicits.global
+import scala.concurrent.{Future, Await, TimeoutException}
+import scala.concurrent.duration._
+
+/**
+ * This controller creates an `Action` to handle HTTP MongoDB requests.
+ */
+@Singleton
+class MongoTestController @Inject()(val controllerComponents: ControllerComponents) extends BaseController {
+
+    /**
+    * Create an Action to test the Mongo Client.
+    */
+    def index() = Action { implicit request: Request[AnyContent] =>
+        println("MongoController")
+
+        var database_name = "{DATABASE_NAME}"
+        var collection_name = "{COLLECTION_NAME}"
+
+        var mongo = new MongoDBClient()
+
+        // Sequentially waits for Future objects to complete before calling next method
+        val result: Future[Seq[Document]] = for {
+            db <- mongo.getDatabase(database_name)
+            collection <- mongo.getCollection(db, collection_name)
+            findResult <- mongo.find(collection)
+        } yield findResult
+
+
+        try {
+            // Wait for 10 seconds for the Future to complete
+            val resultCompleted = Await.result(result, 4.seconds)
+
+            val jsonResult: Seq[String] = resultCompleted.map(doc => doc.toJson())
+            Ok(jsonResult.toString())
+        } catch {
+            case e: TimeoutException =>
+                BadRequest("Request timed out")
+        }
+    }
+}

backend-services/feed-service/conf/routes

@@ -8,3 +8,5 @@ GET     /                           controllers.HomeController.index()
 
 # Map static resources from the /public folder to the /assets URL path
 GET     /assets/*file               controllers.Assets.versioned(path="/public", file: Asset)
+
+GET     /mongo_test                 controllers.MongoTestController.index()