include aliases in rest autocompletion

Author: lmenezes

app/controllers/RestController.scala

@@ -44,7 +44,7 @@ class RestController @Inject()(val authentication: AuthenticationModule,
   }
 
   def index = process { request =>
-    client.getClusterMapping(request.target).map {
+    client.getAliases(request.target).map {
       case Success(status, body) =>
         val data = Json.obj(
           "indices" -> AutocompletionIndices(body),

app/models/rest/AutocompletionIndices.scala

@@ -4,7 +4,11 @@ import play.api.libs.json.{JsArray, JsObject, JsString, JsValue}
 
 object AutocompletionIndices {
 
-  def apply(mappings: JsValue): JsArray =
-    JsArray(mappings.as[JsObject].value.keys.map(i => JsString(i)).toSeq)
-
-}
+  def apply(aliases: JsValue): JsArray =
+    JsArray(
+      aliases.as[JsObject].value.flatMap { case (idx, data) =>
+        (data \ "aliases").as[JsObject].keys + idx
+      }.toSeq.distinct.map(JsString)
+    )
+
+}