refactor: removing mailserver controller and model

src/app/boot/app_controller.nim

@@ -165,8 +165,8 @@ proc newAppController*(statusFoundation: StatusFoundation): AppController =
   result.providerService = provider_service.newService(result.dappPermissionsService, result.settingsService)
   result.savedAddressService = saved_address_service.newService(statusFoundation.events)
   result.devicesService = devices_service.newService(statusFoundation.events, result.settingsService)
-  result.mailserversService = mailservers_service.newService(statusFoundation.events, statusFoundation.marathon,
+  result.mailserversService = mailservers_service.newService(statusFoundation.events, statusFoundation.threadpool, 
-  result.settingsService, result.nodeConfigurationService, statusFoundation.fleetConfiguration)
+    result.settingsService, result.nodeConfigurationService, statusFoundation.fleetConfiguration)
   result.nodeService = node_service.newService(statusFoundation.events, statusFoundation.threadpool, 
   result.settingsService)
   result.gifService = gif_service.newService(result.settingsService)
@@ -326,6 +326,7 @@ proc load(self: AppController) =
     self.communityService,
     self.messageService,
     self.gifService,
+    self.mailserversService
   )
 
 proc userLoggedIn*(self: AppController) =

src/app/core/main.nim

@@ -1,10 +1,8 @@
-import NimQml, chronicles, task_runner
+import task_runner
 import
   eventemitter,
   ./fleets/fleet_configuration,
   ./tasks/marathon,
-  ./tasks/marathon/mailserver/controller,
-  ./tasks/marathon/mailserver/worker,
   ./tasks/threadpool,
   ./signals/signals_manager
 
@@ -15,28 +13,19 @@ type StatusFoundation* = ref object
   events*: EventEmitter
   fleetConfiguration*: FleetConfiguration
   threadpool*: ThreadPool
-  marathon*: Marathon
   signalsManager*: SignalsManager
-  mailserverController*: MailserverController
-  mailserverWorker*: MailserverWorker
 
 proc newStatusFoundation*(fleetConfig: string): StatusFoundation =
   result = StatusFoundation()
   result.events = createEventEmitter()  
   result.fleetConfiguration = newFleetConfiguration(fleetConfig)
-  result.mailserverController = newMailserverController(result.events)
-  result.mailserverWorker = newMailserverWorker(cast[ByteAddress](result.mailserverController.vptr))
   result.threadpool = newThreadPool()
-  result.marathon = newMarathon(result.mailserverWorker)
   result.signalsManager = newSignalsManager(result.events)
 
 proc delete*(self: StatusFoundation) =
   self.threadpool.teardown()
-  self.marathon.teardown()
-  self.mailserverWorker.teardown()
-  self.mailserverController.delete()
   self.fleetConfiguration.delete()
   self.signalsManager.delete()
 
 proc onLoggedIn*(self: StatusFoundation) =
-  self.marathon.onLoggedIn()
+  discard

src/app/core/tasks/marathon/mailserver/controller.nim

@@ -1,103 +0,0 @@
-import NimQml, json_serialization, chronicles
-
-import ../../../eventemitter
-import ../../../fleets/fleet_configuration
-import ../../../../../app_service/service/settings/service_interface as settings_service
-import ../../../../../app_service/service/node_configuration/service_interface as node_config_service
-
-import status/settings as status_settings
-import status/mailservers as status_mailservers
-
-import ../../common as task_runner_common
-
-logScope:
-  topics = "mailserver controller"
-
-const STATUS_MAILSERVER_PASS = "status-offline-inbox"
-const STATUS_STORE_MESSAGES_TIMEOUT = 30
-
-################################################################################
-##                                                                            ##
-## NOTE: MailserverController runs on the main thread                         ##
-##                                                                            ##
-################################################################################
-QtObject:
-  type MailserverController* = ref object of QObject
-    events: EventEmitter
-
-  proc newMailserverController*(events: EventEmitter): MailserverController =
-    new(result)
-    result.events = events
-    result.setup()
-
-  proc setup(self: MailserverController) =
-    self.QObject.setup
-
-  proc delete*(self: MailserverController) =
-    self.QObject.delete
-
-  # In case of mailserver task, we need to fetch data directly from the `status-go`, and that's why direct calls to 
-  # `status-lib` are made here. If we use services here, the state remains the same as it was in the moment when certain
-  # service is passed to the mailserver thread.
-  proc getCurrentSettings(self: MailserverController): SettingsDto =
-    try:
-      let response = status_settings.getSettings()
-      let settings = response.result.toSettingsDto()
-      return settings
-    except Exception as e:
-      let errDesription = e.msg
-      error "error: ", methodName="mailserver-getCurrentSettings", errDesription
-
-
-  proc getFleet*(self: MailserverController): string =
-    let settings = self.getCurrentSettings()
-    var fleet = settings_service.DEFAULT_FLEET
-    if(settings.fleet.len > 0):
-      fleet = settings.fleet
-    return fleet
-
-  proc getPinnedMailserver*(self: MailserverController): string =
-    let settings = self.getCurrentSettings()
-    let fleet = self.getFleet()
-
-    if (fleet == $Fleet.Prod):
-      return settings.pinnedMailserver.ethProd
-    elif (fleet == $Fleet.Staging):
-      return settings.pinnedMailserver.ethStaging
-    elif (fleet == $Fleet.Test):
-      return settings.pinnedMailserver.ethTest
-    elif (fleet == $Fleet.WakuV2Prod):
-      return settings.pinnedMailserver.wakuv2Prod
-    elif (fleet == $Fleet.WakuV2Test):
-      return settings.pinnedMailserver.wakuv2Test
-    elif (fleet == $Fleet.GoWakuTest):
-      return settings.pinnedMailserver.goWakuTest
-    return ""
-
-  proc requestAllHistoricMessages*(self: MailserverController) =
-    try:
-      discard status_mailservers.requestAllHistoricMessages()
-    except Exception as e:
-      let errDesription = e.msg
-      error "error: ", methodName="mailserver-requestAllHistoricMessages", errDesription
-
-  proc syncChatFromSyncedFrom*(self: MailserverController, chatId: string) =
-    try:
-      discard status_mailservers.syncChatFromSyncedFrom(chatId)
-    except Exception as e:
-      let errDesription = e.msg
-      error "error: ", methodName="mailserver-syncChatFromSyncedFrom", errDesription
-
-  proc fillGaps*(self: MailserverController, chatId: string, messageIds: seq[string]) =
-    try:
-      discard status_mailservers.fillGaps(chatId, messageIds)
-    except Exception as e:
-      let errDesription = e.msg
-      error "error: ", methodName="mailserver-fillGaps", errDesription
-
-  proc disconnectActiveMailserver*(self: MailserverController) =
-    try:
-      discard status_mailservers.disconnectActiveMailserver()
-    except Exception as e:
-      let errDesription = e.msg
-      error "error: ", methodName="mailserver-disconnectActiveMailserver", errDesription

src/app/core/tasks/marathon/mailserver/model.nim

@@ -1,45 +0,0 @@
-import chronos, chronicles
-import ../../../../../app_service/service/node_configuration/service_interface as node_config_service
-import controller
-
-logScope:
-  topics = "mailserver model"
-
-type
-  MailserverModel* = ref object
-    mailserverController: MailserverController
-
-proc newMailserverModel*(vptr: ByteAddress): MailserverModel =
-  result = MailserverModel()
-  result.mailserverController = cast[MailserverController](vptr)
-
-proc disconnectActiveMailserver(self: MailserverModel) =
-  try:
-    warn "Disconnecting active mailserver due to error"
-    self.mailserverController.disconnectActiveMailserver()
-  except Exception as e:
-    error "error: ", errDescription=e.msg
-
-proc requestMessages*(self: MailserverModel) =
-  try:
-    info "Requesting message history"
-    self.mailserverController.requestAllHistoricMessages()
-  except Exception as e:
-    error "error: ", errDescription=e.msg
-    self.disconnectActiveMailserver()
-
-proc requestMoreMessages*(self: MailserverModel, chatId: string) =
-  try:
-    info "Requesting more messages for", chatId=chatId
-    self.mailserverController.syncChatFromSyncedFrom(chatId)
-  except Exception as e:
-    error "error: ", errDescription=e.msg
-    self.disconnectActiveMailserver()
-
-proc fillGaps*(self: MailserverModel, chatId: string, messageIds: seq[string]) =
-  try:
-    info "Requesting fill gaps from", chatId=chatId
-    self.mailserverController.fillGaps(chatId, messageIds)
-  except Exception as e:
-    error "error: ", errDescription=e.msg
-    self.disconnectActiveMailserver()

src/app/core/tasks/marathon/mailserver/worker.nim

@@ -1,142 +0,0 @@
-import # std libs
-  json, tables
-
-import # vendor libs
-  chronicles, chronos, json_serialization, task_runner
-
-import # status-desktop libs
-  ../worker, ./model, ../../qt, ../../common as task_runner_common,
-  ../common as methuselash_common
-
-export
-  chronos, task_runner_common, json_serialization
-
-logScope:
-  topics = "mailserver worker"
-
-type
-  MailserverWorker* = ref object of MarathonWorker
-
-  # below are all custom marathon task arg definitions
-  IsActiveMailserverAvailableTaskArg* = ref object of MarathonTaskArg
-  GetActiveMailserverTaskArg* = ref object of MarathonTaskArg
-  RequestMessagesTaskArg* = ref object of MarathonTaskArg
-    chatId*: string
-  FillGapsTaskArg* = ref object of MarathonTaskArg
-    chatId*: string
-    messageIds*: seq[string]
-  AddMailserverTopicTaskArg* = ref object of MarathonTaskArg
-  PeerSummaryChangeTaskArg* = ref object of MarathonTaskArg
-    peers*: seq[string]
-  GetMailserverTopicsByChatIdTaskArg* = ref object of MarathonTaskArg
-    chatId*: string
-    fetchRange*: int
-  GetMailserverTopicsByChatIdsTaskArg* = ref object of MarathonTaskArg
-    chatIds*: seq[string]
-    fetchRange*: int
-
-
-const
-  WORKER_NAME = "mailserver"
-
-# forward declarations
-proc workerThread(arg: WorkerThreadArg) {.thread.}
-
-proc newMailserverWorker*(vptr: ByteAddress): MailserverWorker =
-  new(result)
-  result.chanRecvFromWorker = newAsyncChannel[ThreadSafeString](-1)
-  result.chanSendToWorker = newAsyncChannel[ThreadSafeString](-1)
-  result.vptr = vptr
-
-method name*(self: MailserverWorker): string = WORKER_NAME
-
-method init*(self: MailserverWorker) =
-  self.chanRecvFromWorker.open()
-  self.chanSendToWorker.open()
-  let arg = WorkerThreadArg(
-    chanSendToMain: self.chanRecvFromWorker,
-    chanRecvFromMain: self.chanSendToWorker,
-    vptr: self.vptr
-  )
-  createThread(self.thread, workerThread, arg)
-  # block until we receive "ready"
-  discard $(self.chanRecvFromWorker.recvSync())
-
-method teardown*(self: MailserverWorker) =
-  self.chanSendToWorker.sendSync("shutdown".safe)
-  self.chanRecvFromWorker.close()
-  self.chanSendToWorker.close()
-  trace "waiting for the control thread to stop"
-  joinThread(self.thread)
-
-method onLoggedIn*(self: MailserverWorker) =
-  self.chanSendToWorker.sendSync("loggedIn".safe)
-
-proc processMessage(mailserverModel: MailserverModel, received: string) =
-  let
-    parsed = parseJson(received)
-    messageType = parsed{"$type"}.getStr
-    methodName = parsed{"method"}.getStr()
-  trace "initiating mailserver task", methodName=methodName, messageType=messageType
-
-  case methodName
-  of "requestAllHistoricMessages":
-    let taskArg = decode[RequestMessagesTaskArg](received)
-    mailserverModel.requestMessages()
-    taskArg.finish("") # TODO:
-
-  of "requestMessages":
-    let taskArg = decode[RequestMessagesTaskArg](received)
-    mailserverModel.requestMessages()
-
-  of "requestMoreMessages":
-    let taskArg = decode[RequestMessagesTaskArg](received)
-    mailserverModel.requestMoreMessages(taskArg.chatId)
-
-  of "fillGaps":
-    let taskArg = decode[FillGapsTaskArg](received)
-    mailserverModel.fillGaps(taskArg.chatId, taskArg.messageIds)
-
-  else:
-    error "unknown message", message=received
-
-proc worker(arg: WorkerThreadArg) {.async, gcsafe, nimcall.} =
-  let
-    chanSendToMain = arg.chanSendToMain
-    chanRecvFromMain = arg.chanRecvFromMain
-  chanSendToMain.open()
-  chanRecvFromMain.open()
-
-  trace "sending 'ready' to main thread"
-  await chanSendToMain.send("ready".safe)
-  let mailserverModel = newMailserverModel(arg.vptr)
-
-  var unprocessedMsgs: seq[string] = @[]
-  # wait for "loggedIn" before initing mailserverModel and continuing
-  while true:
-    let received = $(await chanRecvFromMain.recv())
-    if received == "loggedIn":
-      break
-    elif received == "shutdown":
-      trace "received 'shutdown'"
-      trace "stopping worker"
-      return
-    else:
-      unprocessedMsgs.add received
- 
-  for msg in unprocessedMsgs.items:
-    mailserverModel.processMessage(msg)
-
-  while true:
-    trace "waiting for message"
-    let received = $(await chanRecvFromMain.recv())
-    case received
-      of "shutdown":
-        trace "received 'shutdown'"
-        trace "stopping worker"
-        break
-      else:
-        mailserverModel.processMessage(received)
-
-proc workerThread(arg: WorkerThreadArg) =
-  waitFor worker(arg)

src/app/modules/main/chat_section/chat_content/messages/controller.nim

@@ -6,6 +6,7 @@ import ../../../../../../app_service/service/contacts/service as contact_service
 import ../../../../../../app_service/service/community/service as community_service
 import ../../../../../../app_service/service/chat/service as chat_service
 import ../../../../../../app_service/service/message/service as message_service
+import ../../../../../../app_service/service/mailservers/service as mailservers_service
 import ../../../../../../app_service/service/eth/utils as eth_utils
 import ../../../../../core/signals/types
 import ../../../../../core/eventemitter
@@ -28,10 +29,11 @@ type
     communityService: community_service.Service
     chatService: chat_service.Service
     messageService: message_service.Service
+    mailserversService: mailservers_service.Service
 
 proc newController*(delegate: io_interface.AccessInterface, events: EventEmitter, sectionId: string, chatId: string, 
   belongsToCommunity: bool, contactService: contact_service.Service, communityService: community_service.Service,
-  chatService: chat_service.Service, messageService: message_service.Service): 
+  chatService: chat_service.Service, messageService: message_service.Service, mailserversService: mailservers_service.Service): 
   Controller =
   result = Controller()
   result.delegate = delegate
@@ -44,6 +46,7 @@ proc newController*(delegate: io_interface.AccessInterface, events: EventEmitter
   result.communityService = communityService
   result.chatService = chatService
   result.messageService = messageService
+  result.mailserversService = mailserversService
   
 method delete*(self: Controller) =
   discard
@@ -224,4 +227,10 @@ method increaseLoadingMessagesPerPageFactor*(self: Controller) =
   self.loadingMessagesPerPageFactor = self.loadingMessagesPerPageFactor + 1
 
 method resetLoadingMessagesPerPageFactor*(self: Controller) =
-  self.loadingMessagesPerPageFactor = 1
+  self.loadingMessagesPerPageFactor = 1
+
+method requestMoreMessages*(self: Controller) =
+  self.mailserversService.requestMoreMessages(self.chatId)
+
+method fillGaps*(self: Controller, messageId: string) =
+  self.mailserversService.fillGaps(self.chatId, messageId)

src/app/modules/main/chat_section/chat_content/messages/controller_interface.nim

@@ -88,4 +88,10 @@ method increaseLoadingMessagesPerPageFactor*(self: AccessInterface) {.base.} =
   raise newException(ValueError, "No implementation available")
 
 method resetLoadingMessagesPerPageFactor*(self: AccessInterface) {.base.} =
-  raise newException(ValueError, "No implementation available")
+  raise newException(ValueError, "No implementation available")
+
+method requestMoreMessages*(self: AccessInterface) {.base.} =
+  raise newException(ValueError, "No implementation available")
+
+method fillGaps*(self: AccessInterface, messageId: string) {.base.} =
+  raise newException(ValueError, "No implementation available")

src/app/modules/main/chat_section/chat_content/messages/module.nim

@@ -11,6 +11,7 @@ import ../../../../../../app_service/service/contacts/service as contact_service
 import ../../../../../../app_service/service/community/service as community_service
 import ../../../../../../app_service/service/chat/service as chat_service
 import ../../../../../../app_service/service/message/service as message_service
+import ../../../../../../app_service/service/mailservers/service as mailservers_service
 
 export io_interface
 
@@ -18,6 +19,7 @@ logScope:
   topics = "messages-module"
 
 const CHAT_IDENTIFIER_MESSAGE_ID = "chat-identifier-message-id"
+const FETCH_MORE_MESSAGES_MESSAGE_ID = "fetch-more_messages-message-id"
 
 type 
   Module* = ref object of io_interface.AccessInterface
@@ -29,18 +31,19 @@ type
 
 proc newModule*(delegate: delegate_interface.AccessInterface, events: EventEmitter, sectionId: string, chatId: string, 
   belongsToCommunity: bool, contactService: contact_service.Service, communityService: community_service.Service,
-  chatService: chat_service.Service, messageService: message_service.Service): 
+  chatService: chat_service.Service, messageService: message_service.Service, mailserversService: mailservers_service.Service): 
   Module =
   result = Module()
   result.delegate = delegate
   result.view = view.newView(result)
   result.viewVariant = newQVariant(result.view)
   result.controller = controller.newController(result, events, sectionId, chatId, belongsToCommunity, contactService, 
-  communityService, chatService, messageService)
+  communityService, chatService, messageService, mailserversService)
   result.moduleLoaded = false
 
 # Forward declaration
 proc createChatIdentifierItem(self: Module): Item
+proc createFetchMoreMessagesItem(self: Module): Item
 
 method delete*(self: Module) =
   self.view.delete
@@ -55,7 +58,7 @@ method isLoaded*(self: Module): bool =
   return self.moduleLoaded
 
 method viewDidLoad*(self: Module) =
-  # The first message in the model must be always ChatIdentifier message.
+  self.view.model().appendItem(self.createFetchMoreMessagesItem())
   self.view.model().appendItem(self.createChatIdentifierItem())
 
   self.moduleLoaded = true
@@ -64,6 +67,31 @@ method viewDidLoad*(self: Module) =
 method getModuleAsVariant*(self: Module): QVariant =
   return self.viewVariant
 
+proc createFetchMoreMessagesItem(self: Module): Item =
+  let chatDto = self.controller.getChatDetails()
+  let isIdenticon = false
+  result = initItem(
+    FETCH_MORE_MESSAGES_MESSAGE_ID,
+    responseToMessageWithId = "",
+    senderId = chatDto.id,
+    senderDisplayName = "",
+    senderLocalName = "",
+    senderIcon = "",
+    isIdenticon,
+    amISender = false,
+    outgoingStatus = "",
+    text = "",
+    image = "", 
+    messageContainsMentions = false,
+    seen = true,
+    timestamp = 0,
+    ContentType.FetchMoreMessagesButton,
+    messageType = -1,
+    sticker = "",
+    stickerPack = -1,
+    @[],
+  )
+
 proc createChatIdentifierItem(self: Module): Item =
   let chatDto = self.controller.getChatDetails()
   var chatName = chatDto.name
@@ -160,9 +188,9 @@ method newMessagesLoaded*(self: Module, messages: seq[MessageDto], reactions: se
       # messages are sorted from the most recent to the least recent one
       viewItems.add(item)
 
-    # ChatIdentifier message will be always the first message (the oldest one)
+    viewItems.add(self.createFetchMoreMessagesItem())
     viewItems.add(self.createChatIdentifierItem())
-    # Delete the old ChatIdentifier message first
+    self.view.model().removeItem(FETCH_MORE_MESSAGES_MESSAGE_ID)
     self.view.model().removeItem(CHAT_IDENTIFIER_MESSAGE_ID)
     # Add new loaded messages
     self.view.model().appendItems(viewItems)
@@ -348,4 +376,10 @@ method switchToMessage*(self: Module, messageId: string) =
 method scrollToMessage*(self: Module, messageId: string) =
   self.controller.setSearchedMessageId(messageId)
   if(not self.checkIfMessageLoadedAndScrollToItIfItIs()):
-    self.loadMoreMessages()
+    self.loadMoreMessages()
+
+method requestMoreMessages*(self: Module) =
+  self.controller.requestMoreMessages()
+
+method fillGaps*(self: Module, messageId: string) =
+  self.controller.fillGaps(messageId)

src/app/modules/main/chat_section/chat_content/messages/private_interfaces/module_controller_delegate_interface.nim

@@ -39,4 +39,4 @@ method setLoadingHistoryMessagesInProgress*(self: AccessInterface, isLoading: bo
   raise newException(ValueError, "No implementation available")
 
 method scrollToMessage*(self: AccessInterface, messageId: string) {.base.} =
-  raise newException(ValueError, "No implementation available")
+  raise newException(ValueError, "No implementation available")

src/app/modules/main/chat_section/chat_content/messages/private_interfaces/module_view_delegate_interface.nim

@@ -38,4 +38,10 @@ method getLinkPreviewData*(self: AccessInterface, link: string, uuid: string): s
   raise newException(ValueError, "No implementation available")
 
 method onPreviewDataLoaded*(self: AccessInterface, previewData: string) {.base.} =
-  raise newException(ValueError, "No implementation available")
+  raise newException(ValueError, "No implementation available")
+
+method requestMoreMessages*(self: AccessInterface) {.base.} =
+  raise newException(ValueError, "No implementation available")
+
+method fillGaps*(self: AccessInterface, messageId: string) {.base.} =
+  raise newException(ValueError, "No implementation available")

src/app/modules/main/chat_section/chat_content/messages/view.nim

@@ -141,4 +141,11 @@ QtObject:
 
   proc scrollMessagesUp(self: View) {.signal.}
   proc emitScrollMessagesUpSignal*(self: View) =
-    self.scrollMessagesUp()
+    self.scrollMessagesUp()
+
+  proc requestMoreMessages(self: View) {.slot.} =
+    self.delegate.requestMoreMessages()
+
+  proc fillGaps(self: View, messageId: string) {.slot.} =
+    self.delegate.fillGaps(messageId)
+  

src/app/modules/main/chat_section/chat_content/module.nim

@@ -18,6 +18,7 @@ import ../../../../../app_service/service/chat/service as chat_service
 import ../../../../../app_service/service/community/service as community_service
 import ../../../../../app_service/service/gif/service as gif_service
 import ../../../../../app_service/service/message/service as message_service
+import ../../../../../app_service/service/mailservers/service as mailservers_service
 
 export io_interface
 
@@ -38,7 +39,8 @@ type
 proc newModule*(delegate: delegate_interface.AccessInterface, events: EventEmitter, sectionId: string, chatId: string, 
   belongsToCommunity: bool, isUsersListAvailable: bool, settingsService: settings_service.ServiceInterface, 
   contactService: contact_service.Service, chatService: chat_service.Service, 
-  communityService: community_service.Service, messageService: message_service.Service, gifService: gif_service.Service):
+  communityService: community_service.Service, messageService: message_service.Service, gifService: gif_service.Service,
+  mailserversService: mailservers_service.Service):
   Module =
   result = Module()
   result.delegate = delegate
@@ -50,7 +52,7 @@ proc newModule*(delegate: delegate_interface.AccessInterface, events: EventEmitt
 
   result.inputAreaModule = input_area_module.newModule(result, sectionId, chatId, belongsToCommunity, chatService, communityService, gifService)
   result.messagesModule = messages_module.newModule(result, events, sectionId, chatId, belongsToCommunity, 
-  contactService, communityService, chatService, messageService)
+  contactService, communityService, chatService, messageService, mailserversService)
   result.usersModule = users_module.newModule(result, events, sectionId, chatId, belongsToCommunity, isUsersListAvailable, 
   contactService, communityService, messageService)
 

src/app/modules/main/chat_section/controller.nim

@@ -9,6 +9,7 @@ import ../../../../app_service/service/chat/service as chat_service
 import ../../../../app_service/service/community/service as community_service
 import ../../../../app_service/service/message/service as message_service
 import ../../../../app_service/service/gif/service as gif_service
+import ../../../../app_service/service/mailservers/service as mailservers_service
 
 import ../../../core/eventemitter
 
@@ -28,11 +29,13 @@ type
     communityService: community_service.Service
     messageService: message_service.Service
     gifService: gif_service.Service
+    mailserversService: mailservers_service.Service
 
 proc newController*(delegate: io_interface.AccessInterface, sectionId: string, isCommunity: bool, events: EventEmitter,
   settingsService: settings_service.ServiceInterface, contactService: contact_service.Service, 
   chatService: chat_service.Service, communityService: community_service.Service, 
-  messageService: message_service.Service, gifService: gif_service.Service): Controller =
+  messageService: message_service.Service, gifService: gif_service.Service,
+  mailserversService: mailservers_service.Service): Controller =
   result = Controller()
   result.delegate = delegate
   result.sectionId = sectionId
@@ -44,6 +47,7 @@ proc newController*(delegate: io_interface.AccessInterface, sectionId: string, i
   result.communityService = communityService
   result.messageService = messageService
   result.gifService = gifService
+  result.mailserversService = mailserversService
   
 method delete*(self: Controller) =
   discard
@@ -98,7 +102,8 @@ method init*(self: Controller) =
           self.chatService,
           self.communityService,
           self.messageService,
-          self.gifService
+          self.gifService,
+          self.mailserversService
         )
 
     self.events.on(SIGNAL_COMMUNITY_CHANNEL_DELETED) do(e:Args):
@@ -191,13 +196,13 @@ method createPublicChat*(self: Controller, chatId: string) =
   let response = self.chatService.createPublicChat(chatId)
   if(response.success):
     self.delegate.addNewChat(response.chatDto, false, self.events, self.settingsService, self.contactService, self.chatService,
-    self.communityService, self.messageService, self.gifService)
+    self.communityService, self.messageService, self.gifService, self.mailserversService)
 
 method createOneToOneChat*(self: Controller, chatId: string, ensName: string) =
   let response = self.chatService.createOneToOneChat(chatId, ensName)
   if(response.success):
     self.delegate.addNewChat(response.chatDto, false, self.events, self.settingsService, self.contactService, self.chatService,
-    self.communityService, self.messageService, self.gifService)
+    self.communityService, self.messageService, self.gifService, self.mailserversService)
 
 method leaveChat*(self: Controller, chatId: string) =
   self.chatService.leaveChat(chatId)
@@ -255,7 +260,7 @@ method createGroupChat*(self: Controller, groupName: string, pubKeys: seq[string
   let response = self.chatService.createGroupChat(groupName, pubKeys)
   if(response.success):
     self.delegate.addNewChat(response.chatDto, false, self.events, self.settingsService, self.contactService, self.chatService, 
-    self.communityService, self.messageService, self.gifService)
+    self.communityService, self.messageService, self.gifService, self.mailserversService)
 
 method joinGroup*(self: Controller) =
   self.chatService.confirmJoiningGroup(self.getActiveChatId())
@@ -264,7 +269,7 @@ method joinGroupChatFromInvitation*(self: Controller, groupName: string, chatId:
   let response = self.chatService.createGroupChatFromInvitation(groupName, chatId, adminPK)
   if(response.success):
     self.delegate.addNewChat(response.chatDto, false, self.events, self.settingsService, self.contactService, self.chatService, 
-    self.communityService, self.messageService, self.gifService)
+    self.communityService, self.messageService, self.gifService, self.mailserversService)
 
 method acceptRequestToJoinCommunity*(self: Controller, requestId: string) =
   self.communityService.acceptRequestToJoinCommunity(self.sectionId, requestId)

src/app/modules/main/chat_section/module.nim

@@ -14,6 +14,7 @@ import ../../../../app_service/service/contacts/service as contact_service
 import ../../../../app_service/service/chat/service as chat_service
 import ../../../../app_service/service/community/service as community_service
 import ../../../../app_service/service/message/service as message_service
+import ../../../../app_service/service/mailservers/service as mailservers_service
 import ../../../../app_service/service/gif/service as gif_service
 
 export io_interface
@@ -42,11 +43,12 @@ proc newModule*(
     communityService: community_service.Service, 
     messageService: message_service.Service,
     gifService: gif_service.Service,
+    mailserversService: mailservers_service.Service
   ): Module =
   result = Module()
   result.delegate = delegate
   result.controller = controller.newController(result, sectionId, isCommunity, events, settingsService, contactService, 
-  chatService, communityService, messageService, gifService)
+  chatService, communityService, messageService, gifService, mailserversService)
   result.view = view.newView(result)
   result.viewVariant = newQVariant(result.view)
   result.moduleLoaded = false
@@ -76,10 +78,11 @@ proc addSubmodule(self: Module, chatId: string, belongToCommunity: bool, isUsers
   chatService: chat_service.Service, 
   communityService: community_service.Service, 
   messageService: message_service.Service,
-  gifService: gif_service.Service) =
+  gifService: gif_service.Service,
+  mailserversService: mailservers_service.Service) =
   self.chatContentModules[chatId] = chat_content_module.newModule(self, events, self.controller.getMySectionId(), chatId,
     belongToCommunity, isUsersListAvailable, settingsService, contactService, chatService, communityService, 
-    messageService, gifService)
+    messageService, gifService, mailserversService)
 
 proc removeSubmodule(self: Module, chatId: string) =
   if(not self.chatContentModules.contains(chatId)):
@@ -92,7 +95,8 @@ proc buildChatUI(self: Module, events: EventEmitter,
   chatService: chat_service.Service, 
   communityService: community_service.Service, 
   messageService: message_service.Service,
-  gifService: gif_service.Service) =
+  gifService: gif_service.Service,
+  mailserversService: mailservers_service.Service) =
   let types = @[ChatType.OneToOne, ChatType.Public, ChatType.PrivateGroupChat]
   let chats = self.controller.getChatDetailsForChatTypes(types)
 
@@ -114,7 +118,7 @@ proc buildChatUI(self: Module, events: EventEmitter,
     hasNotification, notificationsCount, c.muted, active = false, c.position, c.categoryId)
     self.view.chatsModel().appendItem(item)
     self.addSubmodule(c.id, false, isUsersListAvailable, events, settingsService, contactService, chatService, 
-    communityService, messageService, gifService)
+    communityService, messageService, gifService, mailserversService)
     
     # make the first Public chat active when load the app
     if(selectedItemId.len == 0 and c.chatType == ChatType.Public):
@@ -128,7 +132,8 @@ proc buildCommunityUI(self: Module, events: EventEmitter,
   chatService: chat_service.Service, 
   communityService: community_service.Service, 
   messageService: message_service.Service,
-  gifService: gif_service.Service) =
+  gifService: gif_service.Service,
+  mailserversService: mailservers_service.Service) =
   var selectedItemId = ""
   var selectedSubItemId = ""
   let communities = self.controller.getJoinedCommunities()
@@ -149,7 +154,7 @@ proc buildCommunityUI(self: Module, events: EventEmitter,
         chatDto.muted, active = false, c.position, c.categoryId)
       self.view.chatsModel().appendItem(channelItem)
       self.addSubmodule(chatDto.id, true, true, events, settingsService, contactService, chatService, communityService, 
-      messageService, gifService)
+      messageService, gifService, mailserversService)
 
       # make the first channel which doesn't belong to any category active when load the app
       if(selectedItemId.len == 0):
@@ -179,7 +184,7 @@ proc buildCommunityUI(self: Module, events: EventEmitter,
         false, c.position)
         categoryChannels.add(channelItem)
         self.addSubmodule(chatDto.id, true, true, events, settingsService, contactService, chatService, communityService, 
-        messageService, gifService)
+        messageService, gifService, mailserversService)
 
         # in case there is no channels beyond categories, 
         # make the first channel of the first category active when load the app
@@ -237,14 +242,15 @@ method load*(self: Module, events: EventEmitter,
   chatService: chat_service.Service, 
   communityService: community_service.Service, 
   messageService: message_service.Service,
-  gifService: gif_service.Service) =
+  gifService: gif_service.Service,
+  mailserversService: mailservers_service.Service) =
   self.controller.init()
   self.view.load()
   
   if(self.controller.isCommunity()):
-    self.buildCommunityUI(events, settingsService, contactService, chatService, communityService, messageService, gifService)
+    self.buildCommunityUI(events, settingsService, contactService, chatService, communityService, messageService, gifService, mailserversService)
   else:
-    self.buildChatUI(events, settingsService, contactService, chatService, communityService, messageService, gifService)
+    self.buildChatUI(events, settingsService, contactService, chatService, communityService, messageService, gifService, mailserversService)
     self.initContactRequestsModel() # we do this only in case of chat section (not in case of communities)
 
   for cModule in self.chatContentModules.values:
@@ -352,7 +358,8 @@ method addNewChat*(
     chatService: chat_service.Service, 
     communityService: community_service.Service, 
     messageService: message_service.Service,
-    gifService: gif_service.Service) =
+    gifService: gif_service.Service,
+    mailserversService: mailservers_service.Service) =
   let hasNotification = chatDto.unviewedMessagesCount > 0 or chatDto.unviewedMentionsCount > 0
   let notificationsCount = chatDto.unviewedMentionsCount
   var chatName = chatDto.name
@@ -373,7 +380,7 @@ method addNewChat*(
                         chatDto.chatType.int, amIChatAdmin, hasNotification, notificationsCount, chatDto.muted,
                         active = false, position = 0, chatDto.categoryId)
     self.addSubmodule(chatDto.id, belongsToCommunity, isUsersListAvailable, events, settingsService, contactService, chatService,
-                      communityService, messageService, gifService)
+                      communityService, messageService, gifService, mailserversService)
     self.chatContentModules[chatDto.id].load()
     self.view.chatsModel().appendItem(item)
     # make new added chat active one
@@ -384,7 +391,7 @@ method addNewChat*(
         chatDto.description, chatDto.chatType.int, amIChatAdmin, hasNotification, notificationsCount, chatDto.muted, 
         false, chatDto.position)
     self.addSubmodule(chatDto.id, belongsToCommunity, isUsersListAvailable, events, settingsService, contactService, chatService,
-                      communityService, messageService, gifService)
+                      communityService, messageService, gifService, mailserversService)
     self.chatContentModules[chatDto.id].load()
     categoryItem.appendSubItem(channelItem)
     self.setActiveItemSubItem(categoryItem.id, channelItem.id)

src/app/modules/main/chat_section/private_interfaces/module_access_interface.nim

@@ -6,6 +6,7 @@ import ../../../../../app_service/service/chat/service as chat_service
 import ../../../../../app_service/service/community/service as community_service
 import ../../../../../app_service/service/message/service as message_service
 import ../../../../../app_service/service/gif/service as gif_service
+import ../../../../../app_service/service/mailservers/service as mailservers_service
 
 import ../../../../core/eventemitter
 
@@ -18,7 +19,8 @@ method load*(self: AccessInterface, events: EventEmitter,
   chatService: chat_service.Service, 
   communityService: community_service.Service, 
   messageService: message_service.Service,
-  gifService: gif_service.Service) {.base.} =
+  gifService: gif_service.Service,
+  mailserversService: mailservers_service.Service) {.base.} =
   raise newException(ValueError, "No implementation available")
 
 method isLoaded*(self: AccessInterface): bool {.base.} =

src/app/modules/main/chat_section/private_interfaces/module_controller_delegate_interface.nim

@@ -7,7 +7,8 @@ method makeChatWithIdActive*(self: AccessInterface, chatId: string) {.base.} =
 method addNewChat*(self: AccessInterface, chatDto: ChatDto, belongsToCommunity: bool, events: EventEmitter,
   settingsService: settings_service.ServiceInterface, contactService: contact_service.Service, 
   chatService: chat_service.Service, communityService: community_service.Service, 
-  messageService: message_service.Service, gifService: gif_service.Service) {.base.} =
+  messageService: message_service.Service, gifService: gif_service.Service, 
+  mailserversService: mailservers_service.Service) {.base.} =
   raise newException(ValueError, "No implementation available")
 
 method onNewMessagesReceived*(self: AccessInterface, chatId: string, unviewedMessagesCount: int, 

src/app/modules/main/chat_section/view.nim

@@ -181,7 +181,6 @@ QtObject:
   proc joinGroupChatFromInvitation*(self: View, groupName: string, chatId: string, adminPK: string) {.slot.} =
     self.delegate.joinGroupChatFromInvitation(groupName, chatId, adminPK)
 
-
   proc acceptRequestToJoinCommunity*(self: View, requestId: string) {.slot.} =
     self.delegate.acceptRequestToJoinCommunity(requestId)
 

src/app/modules/main/controller.nim

@@ -12,6 +12,7 @@ import ../../../app_service/service/community/service as community_service
 import ../../../app_service/service/contacts/service as contacts_service
 import ../../../app_service/service/message/service as message_service
 import ../../../app_service/service/gif/service as gif_service
+import ../../../app_service/service/mailservers/service as mailservers_service
 import ../../../app_service/service/privacy/service as privacy_service
 
 export controller_interface
@@ -32,6 +33,7 @@ type
     contactsService: contacts_service.Service
     gifService: gif_service.Service
     privacyService: privacy_service.Service
+    mailserversService: mailservers_service.Service
     activeSectionId: string
 
 proc newController*(delegate: io_interface.AccessInterface, 
@@ -45,6 +47,7 @@ proc newController*(delegate: io_interface.AccessInterface,
   messageService: message_service.Service,
   gifService: gif_service.Service,
   privacyService: privacy_service.Service,
+  mailserversService: mailservers_service.Service
 ): 
   Controller =
   result = Controller()
@@ -59,6 +62,7 @@ proc newController*(delegate: io_interface.AccessInterface,
   result.messageService = messageService
   result.gifService = gifService
   result.privacyService = privacyService
+  result.mailserversService = mailserversService
   
 method delete*(self: Controller) =
   discard
@@ -95,6 +99,7 @@ method init*(self: Controller) =
       self.communityService,
       self.messageService,
       self.gifService,
+      self.mailserversService
     )
 
   self.events.on(TOGGLE_SECTION) do(e:Args):
@@ -112,6 +117,7 @@ method init*(self: Controller) =
       self.communityService,
       self.messageService,
       self.gifService,
+      self.mailserversService
     )
 
   self.events.on(SIGNAL_COMMUNITY_LEFT) do(e:Args):

src/app/modules/main/module.nim

@@ -118,12 +118,13 @@ proc newModule*[T](
     messageService,
     gifService,
     privacyService,
+    mailserversService
   )
   result.moduleLoaded = false
 
   # Submodules
   result.chatSectionModule = chat_section_module.newModule(result, events, conf.CHAT_SECTION_ID, false, settingsService,
-  contactsService, chatService, communityService, messageService, gifService)
+  contactsService, chatService, communityService, messageService, gifService, mailserversService)
   result.communitySectionsModule = initOrderedTable[string, chat_section_module.AccessInterface]()
   result.walletSectionModule = wallet_section_module.newModule[Module[T]](
     result, events, tokenService,
@@ -206,6 +207,7 @@ method load*[T](
   communityService: community_service.Service,
   messageService: message_service.Service,
   gifService: gif_service.Service,
+  mailserversService: mailservers_service.Service
 ) =
   singletonInstance.engine.setRootContextProperty("mainModule", self.viewVariant)
   self.controller.init()
@@ -226,6 +228,7 @@ method load*[T](
       communityService,
       messageService,
       gifService,
+      mailserversService
     )
 
   var activeSection: SectionItem
@@ -334,9 +337,9 @@ method load*[T](
     activeSection = profileSettingsSectionItem
 
   # Load all sections
-  self.chatSectionModule.load(events, settingsService, contactsService, chatService, communityService, messageService, gifService)
+  self.chatSectionModule.load(events, settingsService, contactsService, chatService, communityService, messageService, gifService, mailserversService)
   for cModule in self.communitySectionsModule.values:
-    cModule.load(events, settingsService, contactsService, chatService, communityService, messageService, gifService)
+    cModule.load(events, settingsService, contactsService, chatService, communityService, messageService, gifService, mailserversService)
   self.walletSectionModule.load()
   # self.walletV2SectionModule.load()
   self.browserSectionModule.load()
@@ -522,6 +525,7 @@ method communityJoined*[T](
   communityService: community_service.Service,
   messageService: message_service.Service,
   gifService: gif_service.Service,
+  mailserversService: mailservers_service.Service
 ) =
   var firstCommunityJoined = false
   if (self.communitySectionsModule.len == 0):
@@ -537,8 +541,9 @@ method communityJoined*[T](
       communityService,
       messageService,
       gifService,
+      mailserversService
     )
-  self.communitySectionsModule[community.id].load(events, settingsService, contactsService, chatService, communityService, messageService, gifService)
+  self.communitySectionsModule[community.id].load(events, settingsService, contactsService, chatService, communityService, messageService, gifService, mailserversService)
 
   let communitySectionItem = self.createCommunityItem(community)
   if (firstCommunityJoined):

src/app/modules/main/private_interfaces/module_access_interface.nim

@@ -4,6 +4,7 @@ import ../../../../app_service/service/chat/service as chat_service
 import ../../../../app_service/service/community/service as community_service
 import ../../../../app_service/service/message/service as message_service
 import ../../../../app_service/service/gif/service as gif_service
+import ../../../../app_service/service/mailservers/service as mailservers_service
 
 import ../../../core/eventemitter
 
@@ -19,6 +20,7 @@ method load*(
   communityService: community_service.Service,
   messageService: message_service.Service,
   gifService: gif_service.Service,
+  mailserversService: mailservers_service.Service
   ) 
   {.base.} =
   raise newException(ValueError, "No implementation available")

src/app/modules/main/private_interfaces/module_controller_delegate_interface.nim

@@ -21,7 +21,8 @@ method communityJoined*(self: AccessInterface, community: CommunityDto, events:
   chatService: chat_service.Service, 
   communityService: community_service.Service, 
   messageService: message_service.Service,
-  gifService: gif_service.Service) {.base.} =
+  gifService: gif_service.Service,
+  mailserversService: mailservers_service.Service) {.base.} =
   raise newException(ValueError, "No implementation available")
 
 method communityEdited*(self: AccessInterface, community: CommunityDto) {.base.} =

src/app_service/service/mailservers/service.nim

@@ -4,7 +4,7 @@ import ./dto/mailserver as mailserver_dto
 import ../../../app/core/signals/types
 import ../../../app/core/fleets/fleet_configuration
 import ../../../app/core/[main]
-import ../../../app/core/tasks/marathon/mailserver/worker
+import ../../../app/core/tasks/[qt, threadpool]
 import ../settings/service_interface as settings_service
 import ../node_configuration/service_interface as node_configuration_service
 import status/mailservers as status_mailservers
@@ -16,14 +16,53 @@ type
   ActiveMailserverChangedArgs* = ref object of Args
     nodeAddress*: string
 
+  MailserverAvailableArgs* = ref object of Args
+
+  RequestMessagesTaskArg = ref object of QObjectTaskArg
+
+  RequestMoreMessagesTaskArg = ref object of QObjectTaskArg
+    chatId*: string
+
+  FillGapsTaskArg* = ref object of QObjectTaskArg
+    chatId*: string
+    messageIds*: seq[string]
+
 # Signals which may be emitted by this service:
 const SIGNAL_ACTIVE_MAILSERVER_CHANGED* = "activeMailserverChanged"
+const SIGNAL_MAILSERVER_AVAILABLE* = "mailserverAvailable"
+
+const requestMessagesTask: Task = proc(argEncoded: string) {.gcsafe, nimcall.} =
+  let arg = decode[RequestMessagesTaskArg](argEncoded)
+  try:
+    info "Requesting message history"
+    discard status_mailservers.requestAllHistoricMessages()
+  except Exception as e:
+    warn "Disconnecting active mailserver due to error", errDescription=e.msg
+    discard status_mailservers.disconnectActiveMailserver()
+
+const requestMoreMessagesTask: Task = proc(argEncoded: string) {.gcsafe, nimcall.} =
+  let arg = decode[RequestMoreMessagesTaskArg](argEncoded)
+  try:
+    info "Requesting additional message history for chat", chatId=arg.chatId
+    discard status_mailservers.syncChatFromSyncedFrom(arg.chatId)
+  except Exception as e:
+    warn "Disconnecting active mailserver due to error", errDescription=e.msg
+    discard status_mailservers.disconnectActiveMailserver()
+
+const fillGapsTask: Task = proc(argEncoded: string) {.gcsafe, nimcall.} =
+  let arg = decode[FillGapsTaskArg](argEncoded)
+  try:
+    info "Requesting fill gaps", chatId=arg.chatId, messageIds=arg.messageIds
+    discard status_mailservers.fillGaps(arg.chatId, arg.messageIds)
+  except Exception as e:
+    warn "Disconnecting active mailserver due to error", errDescription=e.msg
+    discard status_mailservers.disconnectActiveMailserver()
 
 QtObject:
   type Service* = ref object of QObject
     mailservers: seq[tuple[name: string, nodeAddress: string]]
     events: EventEmitter
-    marathon: Marathon
+    threadpool: ThreadPool
     settingsService: settings_service.ServiceInterface
     nodeConfigurationService: node_configuration_service.ServiceInterface
     fleetConfiguration: FleetConfiguration
@@ -36,13 +75,14 @@ QtObject:
   proc delete*(self: Service) =
     self.QObject.delete
 
-  proc newService*(events: EventEmitter, marathon: Marathon, settingsService: settings_service.ServiceInterface, 
+  proc newService*(events: EventEmitter, threadpool: ThreadPool, 
+    settingsService: settings_service.ServiceInterface, 
     nodeConfigurationService: node_configuration_service.ServiceInterface, 
     fleetConfiguration: FleetConfiguration): Service =
     new(result, delete)
     result.QObject.setup
     result.events = events
-    result.marathon = marathon
+    result.threadpool = threadpool
     result.settingsService = settingsService
     result.nodeConfigurationService = nodeConfigurationService
     result.fleetConfiguration = fleetConfiguration
@@ -52,6 +92,30 @@ QtObject:
     self.initMailservers()
     self.fetchMailservers()  
 
+  proc requestMessages(self: Service) =
+    let arg = RequestMessagesTaskArg(
+      tptr: cast[ByteAddress](requestMessagesTask),
+      vptr: cast[ByteAddress](self.vptr)
+    )
+    self.threadpool.start(arg)
+
+  proc requestMoreMessages*(self: Service, chatId: string) =
+    let arg = RequestMoreMessagesTaskArg(
+      tptr: cast[ByteAddress](requestMoreMessagesTask),
+      vptr: cast[ByteAddress](self.vptr),
+      chatId: chatId
+    )
+    self.threadpool.start(arg)
+
+  proc fillGaps*(self: Service, chatId: string, messageId: string) =
+    let arg = FillGapsTaskArg(
+      tptr: cast[ByteAddress](fillGapsTask),
+      vptr: cast[ByteAddress](self.vptr),
+      chatId: chatId,
+      messageIds: @[messageId]
+    )
+    self.threadpool.start(arg)
+
   proc doConnect(self: Service) =
     self.events.on(SignalType.MailserverChanged.event) do(e: Args):
       let receivedData = MailserverChangedSignal(e)
@@ -60,6 +124,12 @@ QtObject:
       let data = ActiveMailserverChangedArgs(nodeAddress: address)
       self.events.emit(SIGNAL_ACTIVE_MAILSERVER_CHANGED, data)
     
+    self.events.on(SignalType.MailserverAvailable.event) do(e: Args):
+      info "mailserver available"
+      self.requestMessages()
+      let data = MailserverAvailableArgs()
+      self.events.emit(SIGNAL_MAILSERVER_AVAILABLE, data)
+
     self.events.on(SignalType.HistoryRequestStarted.event) do(e: Args):
       let h = HistoryRequestStartedSignal(e)
       info "history request started", requestId=h.requestId, numBatches=h.numBatches
@@ -134,4 +204,4 @@ QtObject:
 
   proc onActiveMailserverResult*(self: Service, response: string) {.slot.} =
     let fleet = self.settingsService.getFleet()
-    discard self.settingsService.pinMailserver(response, fleet)
+    discard self.settingsService.pinMailserver(response, fleet)

src/nim_status_client.nim

@@ -88,7 +88,6 @@ proc mainProc() =
   let isProductionQVariant = newQVariant(if defined(production): true else: false)
   let isExperimentalQVariant = newQVariant(isExperimental)
   let signalsManagerQVariant = newQVariant(statusFoundation.signalsManager)
-  let mailserverControllerQVariant = newQVariant(statusFoundation.mailserverController)
 
   QResource.registerResource(app.applicationDirPath & resourcesPath)
   # Register events objects
@@ -107,7 +106,6 @@ proc mainProc() =
   singletonInstance.engine.setRootContextProperty("singleInstance", newQVariant(singleInstance))
   singletonInstance.engine.setRootContextProperty("isExperimental", isExperimentalQVariant)
   singletonInstance.engine.setRootContextProperty("signals", signalsManagerQVariant)
-  singletonInstance.engine.setRootContextProperty("mailserver", mailserverControllerQVariant)
   singletonInstance.engine.setRootContextProperty("production", isProductionQVariant)
 
   app.installEventFilter(dockShowAppEvent)
@@ -119,7 +117,6 @@ proc mainProc() =
     isProductionQVariant.delete()
     isExperimentalQVariant.delete()
     signalsManagerQVariant.delete()
-    mailserverControllerQVariant.delete()
     networkAccessFactory.delete()
     dockShowAppEvent.delete()
     osThemeEvent.delete()

ui/app/AppLayouts/Chat/stores/MessageStore.qml

@@ -188,10 +188,21 @@ QtObject {
         return msg
     }
 
-
     function getLinkPreviewData(url, uuid) {
         if(!messageModule)
             return
         return messageModule.getLinkPreviewData(url, uuid)
     }
+
+    function requestMoreMessages() {
+        if(!messageModule)
+            return
+        return messageModule.requestMoreMessages();
+    }
+
+    function fillGaps(messageId) {
+         if(!messageModule)
+            return
+        return messageModule.fillGaps(messageId);
+    }
 }

ui/imports/shared/views/chat/MessageView.qml

@@ -244,10 +244,9 @@ Column {
         id: gapComponent
         GapComponent {
             onClicked: {
-                // Not Refactored Yet - Should do it via messageStore
+                messageStore.fillGaps(messageId)
-//                root.chatsModel.messageView.fillGaps(messageStore.messageId);
+                root.visible = false;
-//                root.visible = false;
+                root.height = 0;
-//                root.height = 0;
             }
         }
     }
@@ -258,8 +257,7 @@ Column {
             nextMessageIndex: root.nextMessageIndex
             nextMsgTimestamp: root.nextMsgTimestamp
             onTimerTriggered: {
-                // Not Refactored Yet - Should do it via messageStore
+                messageStore.requestMoreMessages();
-//                root.chatsModel.requestMoreMessages(Constants.fetchRangeLast24Hours);
             }
         }
     }