Merge pull request #12 from almacken/feature/retrieveSource

Added retrieve endpoint

Author: bhermann

src/main/scala/de/upb/cs/swt/delphi/webapi/ElasticClient.scala

@@ -0,0 +1,20 @@
+package de.upb.cs.swt.delphi.webapi
+
+import com.sksamuel.elastic4s.http.ElasticDsl._
+import com.sksamuel.elastic4s.http.HttpClient
+
+object ElasticClient {
+
+  val configuration = new Configuration()
+  val client = HttpClient(configuration.elasticsearchClientUri)
+  val index = "delphi" / "project"
+
+  //Returns an entry with the given ID as an option
+  def getSource(id: String) =
+    client.execute{
+      get(id).from(index)
+    }.await match {
+      case Right(res) => res.body
+      case Left(_) => Option.empty
+    }
+}

src/main/scala/de/upb/cs/swt/delphi/webapi/Server.scala

@@ -34,7 +34,9 @@ object Server extends HttpApp with JsonSupport {
 
   def retrieve(identifier: String) = {
     get {
-      complete(identifier)
+      complete(
+        ElasticClient.getSource(identifier)
+      )
     }
   }