From 6e9f40e4cacedfab43c92248d425866d73ea700e Mon Sep 17 00:00:00 2001
From: Zach Smith <zach@driver.xyz>
Date: Mon, 16 Oct 2017 09:46:20 -0700
Subject: Split up app package into separate files

---
 src/main/scala/xyz/driver/core/app/Module.scala | 53 +++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 src/main/scala/xyz/driver/core/app/Module.scala

(limited to 'src/main/scala/xyz/driver/core/app/Module.scala')

diff --git a/src/main/scala/xyz/driver/core/app/Module.scala b/src/main/scala/xyz/driver/core/app/Module.scala
new file mode 100644
index 0000000..933b408
--- /dev/null
+++ b/src/main/scala/xyz/driver/core/app/Module.scala
@@ -0,0 +1,53 @@
+package xyz.driver.core.app
+
+import akka.http.scaladsl.model.StatusCodes
+import akka.http.scaladsl.server.Directives.complete
+import akka.http.scaladsl.server.{Route, RouteConcatenation}
+import xyz.driver.core.rest.{NoServiceDiscovery, SavingUsedServiceDiscovery, ServiceDiscovery}
+
+import scala.reflect.runtime.universe._
+
+trait Module {
+  val name: String
+  def route: Route
+  def routeTypes: Seq[Type]
+
+  val serviceDiscovery: ServiceDiscovery with SavingUsedServiceDiscovery = new NoServiceDiscovery()
+
+  def activate(): Unit   = {}
+  def deactivate(): Unit = {}
+}
+
+object Module {
+
+  class EmptyModule extends Module {
+    override val name: String = "Nothing"
+
+    override def route: Route = complete(StatusCodes.OK)
+
+    override def routeTypes: Seq[Type] = Seq.empty[Type]
+  }
+
+  class SimpleModule(override val name: String, override val route: Route, routeType: Type) extends Module {
+    def routeTypes: Seq[Type] = Seq(routeType)
+  }
+
+  /**
+    * Module implementation which may be used to composed a few
+    *
+    * @param name    more general name of the composite module,
+    *                must be provided as there is no good way to automatically
+    *                generalize the name from the composed modules' names
+    * @param modules modules to compose into a single one
+    */
+  class CompositeModule(override val name: String, modules: Seq[Module]) extends Module with RouteConcatenation {
+
+    override def route: Route = RouteConcatenation.concat(modules.map(_.route): _*)
+
+    override def routeTypes: Seq[Type] = modules.flatMap(_.routeTypes)
+
+    override def activate(): Unit = modules.foreach(_.activate())
+
+    override def deactivate(): Unit = modules.reverse.foreach(_.deactivate())
+  }
+}
-- 
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