Resort to spotlight if local search is empty

app/src/main/java/chat/rocket/android/chatrooms/presentation/ChatRoomsPresenter.kt

@@ -8,12 +8,12 @@ import chat.rocket.android.server.infraestructure.chatRooms
 import chat.rocket.android.server.infraestructure.state
 import chat.rocket.android.util.extensions.launchUI
 import chat.rocket.common.RocketChatException
-import chat.rocket.common.model.BaseRoom
-import chat.rocket.common.model.RoomType
+import chat.rocket.common.model.*
 import chat.rocket.core.internal.model.Subscription
 import chat.rocket.core.internal.realtime.State
 import chat.rocket.core.internal.realtime.StreamMessage
 import chat.rocket.core.internal.realtime.Type
+import chat.rocket.core.internal.rest.spotlight
 import chat.rocket.core.model.ChatRoom
 import chat.rocket.core.model.Room
 import kotlinx.coroutines.experimental.*
@@ -33,6 +33,7 @@ class ChatRoomsPresenter @Inject constructor(private val view: ChatRoomsView,
                                              factory: ConnectionManagerFactory) {
     private val manager: ConnectionManager = factory.create(serverInteractor.get()!!)
     private val currentServer = serverInteractor.get()!!
+    private val client = manager.client
     private var reloadJob: Deferred<List<ChatRoom>>? = null
     private val settings = settingsRepository.get(currentServer)!!
 
@@ -79,7 +80,36 @@ class ChatRoomsPresenter @Inject constructor(private val view: ChatRoomsView,
         val currentServer = serverInteractor.get()!!
         launchUI(strategy) {
             val roomList = getChatRoomsInteractor.getByName(currentServer, name)
-            view.updateChatRooms(roomList)
+            if (roomList.isEmpty()) {
+                val (users, rooms) = client.spotlight(name)
+                val chatRoomsCombined = mutableListOf<ChatRoom>()
+                chatRoomsCombined.addAll(usersToChatRooms(users))
+                chatRoomsCombined.addAll(roomsToChatRooms(rooms))
+                view.updateChatRooms(chatRoomsCombined)
+            } else {
+                view.updateChatRooms(roomList)
+            }
+        }
+    }
+
+    private suspend fun usersToChatRooms(users: List<User>): List<ChatRoom> {
+        return users.map {
+            ChatRoom(it.id, RoomType.DIRECT_MESSAGE, SimpleUser(
+                    username = it.username, name = it.name, id = null), it.name ?: "",
+                    it.name, false, null, null, null,
+                    null, null, false, false, false,
+                    0L, null, 0L, null, client
+            )
+        }
+    }
+
+    private suspend fun roomsToChatRooms(rooms: List<Room>): List<ChatRoom> {
+        return rooms.map {
+            ChatRoom(it.id, it.type, it.user, it.name ?: "",
+                    it.fullName, it.readonly, it.updatedAt, null, null,
+                    it.topic, it.announcement, false, true, false,
+                    0L, null, 0L, it.lastMessage, client
+            )
         }
     }