removing redacted events from the room notification message list

vector/src/main/java/im/vector/app/features/notifications/NotificationFactory.kt

@@ -33,7 +33,7 @@ class NotificationFactory @Inject constructor(
             when {
                 events.hasNoEventsToDisplay() -> RoomNotification.Removed(roomId)
                 else                          -> {
-                    val messageEvents = events.onlyKeptEvents()
+                    val messageEvents = events.onlyKeptEvents().filterNot { it.isRedacted }
                     roomGroupMessageCreator.createRoomMessage(messageEvents, roomId, myUserDisplayName, myUserAvatarUrl)
                 }
             }

vector/src/test/java/im/vector/app/features/notifications/NotificationFactoryTest.kt

@@ -135,6 +135,20 @@ class NotificationFactoryTest {
                 roomId = A_ROOM_ID
         ))
     }
+
+    @Test
+    fun `given a room with redacted and non redacted message events when mapping to notification then redacted events are removed`() = testWith(notificationFactory) {
+        val roomWithRedactedMessage = mapOf(A_ROOM_ID to listOf(
+                ProcessedEvent(Type.KEEP, A_MESSAGE_EVENT.copy(isRedacted = true)),
+                ProcessedEvent(Type.KEEP, A_MESSAGE_EVENT.copy(eventId = "not-redacted"))
+        ))
+        val withRedactedRemoved = listOf(A_MESSAGE_EVENT.copy(eventId = "not-redacted"))
+        val expectedNotification = roomGroupMessageCreator.givenCreatesRoomMessageFor(withRedactedRemoved, A_ROOM_ID, MY_USER_ID, MY_AVATAR_URL)
+
+        val result = roomWithRedactedMessage.toNotifications(MY_USER_ID, MY_AVATAR_URL)
+
+        result shouldBeEqualTo listOf(expectedNotification)
+    }
 }
 
 fun <T> testWith(receiver: T, block: T.() -> Unit) {