Add login page and forget room system

harmonyqml/backend/client.py

@@ -26,6 +26,8 @@ class Client(QObject):
     roomJoined  = pyqtSignal(str)
     roomLeft    = pyqtSignal([str, dict], [str])
 
+    roomAboutToBeForgotten = pyqtSignal(str)
+
     roomSyncPrevBatchTokenReceived = pyqtSignal(str, str)
     roomPastPrevBatchTokenReceived = pyqtSignal(str, str)
     roomEventReceived              = pyqtSignal(str, str, dict)
@@ -259,4 +261,5 @@ class Client(QObject):
     @pyqtSlot(str)
     @futurize()
     def forgetRoom(self, room_id: str) -> None:
-        raise NotImplementedError()
+        self.roomAboutToBeForgotten.emit(room_id)
+        return self.net.talk(self.nio.room_forget, room_id=room_id)

harmonyqml/backend/client_manager.py

@@ -25,7 +25,7 @@ _CONFIG_LOCK = threading.Lock()
 class ClientManager(QObject):
     clientAdded        = pyqtSignal(Client)
     clientDeleted      = pyqtSignal(str)
-    _clientsUpdate     = pyqtSignal()
+    clientCountChanged = pyqtSignal(int)
 
 
     def __init__(self, backend: Backend) -> None:
@@ -33,19 +33,25 @@ class ClientManager(QObject):
         self.backend = backend
         self._clients: Dict[str, Client] = {}
 
-        self.clientAdded.connect(self._clientsUpdate.emit)
-        self.clientDeleted.connect(self._clientsUpdate.emit)
+        func = lambda: self.clientCountChanged.emit(len(self.clients))
+        self.clientAdded.connect(func)
+        self.clientDeleted.connect(func)
 
 
     def __repr__(self) -> str:
         return f"{type(self).__name__}(clients={self.clients!r})"
 
 
-    @pyqtProperty("QVariantMap", notify=_clientsUpdate)
+    @pyqtProperty("QVariantMap", notify=clientCountChanged)
     def clients(self):
         return self._clients
 
 
+    @pyqtProperty(int, notify=clientCountChanged)
+    def clientCount(self):
+        return len(self.clients)
+
+
     @pyqtSlot()
     def configLoad(self) -> None:
         for user_id, info in self.configAccounts().items():

harmonyqml/backend/network_manager.py

@@ -114,6 +114,7 @@ class NetworkManager:
              nio_func: NioRequestFunc,
              *args,
              **kwargs) -> nr.Response:
+
         with self._lock:
             retry = RetrySleeper()
 

harmonyqml/backend/signal_manager.py

@@ -268,3 +268,11 @@ class SignalManager(QObject):
             self._events_in_transfer += 1
 
             self._move_room(client.userId, room_id)
+
+
+    def onRoomAboutToBeForgotten(self, client: Client, room_id: str) -> None:
+        with self._lock:
+            rooms = self.backend.models.rooms[client.userId]
+            del rooms[rooms.indexWhere("roomId", room_id)]
+
+            self.backend.models.roomEvents[room_id].clear()