chore: Ignore Websocket MessageCount

* Bring back MessageCount("message_count") response class
* Listen in websocket frame but ignore ACK

Author: alexandreferris

lib/src/main/kotlin/com/wire/integrations/jvm/client/BackendClient.kt

@@ -73,6 +73,6 @@ interface BackendClient {
     ): AssetUploadResponse
 
     companion object {
-        const val API_VERSION = "v8"
+        const val API_VERSION = "v9"
     }
 }

lib/src/main/kotlin/com/wire/integrations/jvm/model/http/ConsumableNotificationResponse.kt

@@ -30,6 +30,12 @@ sealed class ConsumableNotificationResponse {
         @SerialName("data") val data: EventDataDTO
     ) : ConsumableNotificationResponse()
 
+    @Serializable
+    @SerialName("message_count")
+    data class MessageCount(
+        @SerialName("data") val data: NotificationCount
+    ) : ConsumableNotificationResponse()
+
     @Serializable
     @SerialName("notifications_missed")
     data object MissedNotification : ConsumableNotificationResponse()

lib/src/main/kotlin/com/wire/integrations/jvm/service/WireTeamEventsListener.kt

@@ -89,6 +89,10 @@ internal class WireTeamEventsListener internal constructor(
                 }
             }
 
+            is ConsumableNotificationResponse.MessageCount -> {
+                logger.info("Websocket back online, ${notification.data.count} events to fetch")
+            }
+
             is ConsumableNotificationResponse.MissedNotification -> {
                 logger.warn("App was offline for too long, missed some notifications")
                 val ackRequest = EventAcknowledgeRequest.notificationMissedAck()