51386821bc
- Backend.clientManager renamed to Backend.clients - clientManager is now a Mapping subclass Before/After from Python: backend.clientManager.clients[thing] → backend.clients[thing] From QML: Backend.clientManager.clients[thing] → Backend.clients.get(thing)
259 lines
8.8 KiB
Python
259 lines
8.8 KiB
Python
# Copyright 2019 miruka
|
|
# This file is part of harmonyqml, licensed under GPLv3.
|
|
|
|
from threading import Lock
|
|
from typing import Any, Deque, Dict, List, Optional
|
|
|
|
from PyQt5.QtCore import QDateTime, QObject, pyqtBoundSignal
|
|
|
|
import nio
|
|
from nio.rooms import MatrixRoom
|
|
|
|
from .backend import Backend
|
|
from .client import Client
|
|
from .model.items import Account, ListModel, Room, RoomCategory, RoomEvent
|
|
|
|
Inviter = Optional[Dict[str, str]]
|
|
LeftEvent = Optional[Dict[str, str]]
|
|
|
|
|
|
class SignalManager(QObject):
|
|
_lock: Lock = Lock()
|
|
|
|
def __init__(self, backend: Backend) -> None:
|
|
super().__init__(parent=backend)
|
|
self.backend = backend
|
|
|
|
self.last_room_events: Deque[str] = Deque(maxlen=1000)
|
|
self._events_in_transfer: int = 0
|
|
|
|
self.backend.clients.clientAdded.connect(self.onClientAdded)
|
|
self.backend.clients.clientDeleted.connect(self.onClientDeleted)
|
|
|
|
|
|
def onClientAdded(self, client: Client) -> None:
|
|
self.connectClient(client)
|
|
|
|
self.backend.accounts.append(Account(
|
|
userId = client.userId,
|
|
roomCategories = ListModel([
|
|
RoomCategory("Invites", ListModel()),
|
|
RoomCategory("Rooms", ListModel()),
|
|
RoomCategory("Left", ListModel()),
|
|
]),
|
|
displayName = self.backend.getUserDisplayName(client.userId),
|
|
))
|
|
|
|
|
|
def onClientDeleted(self, user_id: str) -> None:
|
|
del self.backend.accounts[user_id]
|
|
|
|
|
|
def connectClient(self, client: Client) -> None:
|
|
for name in dir(client):
|
|
attr = getattr(client, name)
|
|
|
|
if isinstance(attr, pyqtBoundSignal):
|
|
def onSignal(*args, name=name) -> None:
|
|
func = getattr(self, f"on{name[0].upper()}{name[1:]}")
|
|
func(client, *args)
|
|
|
|
attr.connect(onSignal)
|
|
|
|
|
|
@staticmethod
|
|
def _get_room_displayname(nio_room: MatrixRoom) -> Optional[str]:
|
|
name = nio_room.name or nio_room.canonical_alias
|
|
if name:
|
|
return name
|
|
|
|
name = nio_room.group_name()
|
|
return None if name == "Empty room?" else name
|
|
|
|
|
|
def onRoomInvited(self,
|
|
client: Client,
|
|
room_id: str,
|
|
inviter: Inviter = None) -> None:
|
|
|
|
nio_room = client.nio.invited_rooms[room_id]
|
|
categories = self.backend.accounts[client.userId].roomCategories
|
|
|
|
categories["Rooms"].rooms.pop(room_id, None)
|
|
categories["Left"].rooms.pop(room_id, None)
|
|
|
|
categories["Invites"].rooms.upsert(room_id, Room(
|
|
roomId = room_id,
|
|
displayName = self._get_room_displayname(nio_room),
|
|
topic = nio_room.topic,
|
|
inviter = inviter,
|
|
), 0, 0)
|
|
|
|
|
|
def onRoomJoined(self, client: Client, room_id: str) -> None:
|
|
nio_room = client.nio.rooms[room_id]
|
|
categories = self.backend.accounts[client.userId].roomCategories
|
|
|
|
categories["Invites"].rooms.pop(room_id, None)
|
|
categories["Left"].rooms.pop(room_id, None)
|
|
|
|
categories["Rooms"].rooms.upsert(room_id, Room(
|
|
roomId = room_id,
|
|
displayName = self._get_room_displayname(nio_room),
|
|
topic = nio_room.topic,
|
|
), 0, 0)
|
|
|
|
|
|
def onRoomLeft(self,
|
|
client: Client,
|
|
room_id: str,
|
|
left_event: LeftEvent = None) -> None:
|
|
categories = self.backend.accounts[client.userId].roomCategories
|
|
|
|
previous = categories["Rooms"].rooms.pop(room_id, None)
|
|
previous = previous or categories["Invites"].rooms.pop(room_id, None)
|
|
previous = previous or categories["Left"].rooms.get(room_id, None)
|
|
|
|
categories["Left"].rooms.upsert(0, Room(
|
|
roomId = room_id,
|
|
displayName = previous.displayName if previous else None,
|
|
topic = previous.topic if previous else None,
|
|
leftEvent = left_event,
|
|
), 0, 0)
|
|
|
|
def onRoomSyncPrevBatchTokenReceived(self,
|
|
_: Client,
|
|
room_id: str,
|
|
token: str) -> None:
|
|
|
|
if room_id not in self.backend.past_tokens:
|
|
self.backend.past_tokens[room_id] = token
|
|
|
|
|
|
def onRoomPastPrevBatchTokenReceived(self,
|
|
_: Client,
|
|
room_id: str,
|
|
token: str) -> None:
|
|
|
|
if self.backend.past_tokens[room_id] == token:
|
|
self.backend.fully_loaded_rooms.add(room_id)
|
|
|
|
self.backend.past_tokens[room_id] = token
|
|
|
|
|
|
def onRoomEventReceived(self,
|
|
_: Client,
|
|
room_id: str,
|
|
etype: str,
|
|
edict: Dict[str, Any]) -> None:
|
|
def process() -> None:
|
|
# Prevent duplicate events in models due to multiple accounts
|
|
if edict["event_id"] in self.last_room_events:
|
|
return
|
|
|
|
self.last_room_events.appendleft(edict["event_id"])
|
|
|
|
model = self.backend.roomEvents[room_id]
|
|
date_time = QDateTime\
|
|
.fromMSecsSinceEpoch(edict["server_timestamp"])
|
|
new_event = RoomEvent(type=etype, dateTime=date_time, dict=edict)
|
|
|
|
event_is_our_profile_changed = (
|
|
etype == "RoomMemberEvent" and
|
|
edict.get("sender") in self.backend.clients and
|
|
((edict.get("content") or {}).get("membership") ==
|
|
(edict.get("prev_content") or {}).get("membership"))
|
|
)
|
|
|
|
if event_is_our_profile_changed:
|
|
return
|
|
|
|
if etype == "RoomCreateEvent":
|
|
self.backend.fully_loaded_rooms.add(room_id)
|
|
|
|
if self._events_in_transfer:
|
|
local_echoes_met: int = 0
|
|
update_at: Optional[int] = None
|
|
|
|
# Find if any locally echoed event corresponds to new_event
|
|
for i, event in enumerate(model):
|
|
if not event.isLocalEcho:
|
|
continue
|
|
|
|
sb = (event.dict["sender"], event.dict["body"])
|
|
new_sb = (new_event.dict["sender"], new_event.dict["body"])
|
|
|
|
if sb == new_sb:
|
|
# The oldest matching local echo shall be replaced
|
|
update_at = max(update_at or 0, i)
|
|
|
|
local_echoes_met += 1
|
|
if local_echoes_met >= self._events_in_transfer:
|
|
break
|
|
|
|
if update_at is not None:
|
|
model.update(update_at, new_event)
|
|
self._events_in_transfer -= 1
|
|
return
|
|
|
|
for i, event in enumerate(model):
|
|
if event.isLocalEcho:
|
|
continue
|
|
|
|
# Model is sorted from newest to oldest message
|
|
if new_event.dateTime > event.dateTime:
|
|
model.insert(i, new_event)
|
|
return
|
|
|
|
model.append(new_event)
|
|
|
|
with self._lock:
|
|
process()
|
|
# self._move_room(client.userId, room_id)
|
|
|
|
|
|
def onRoomTypingUsersUpdated(self,
|
|
client: Client,
|
|
room_id: str,
|
|
users: List[str]) -> None:
|
|
categories = self.backend.accounts[client.userId].roomCategories
|
|
for categ in categories:
|
|
try:
|
|
categ.rooms[room_id].typingUsers = users
|
|
break
|
|
except ValueError:
|
|
pass
|
|
|
|
|
|
def onMessageAboutToBeSent(self,
|
|
client: Client,
|
|
room_id: str,
|
|
content: Dict[str, str]) -> None:
|
|
|
|
with self._lock:
|
|
model = self.backend.roomEvents[room_id]
|
|
nio_event = nio.events.RoomMessage.parse_event({
|
|
"event_id": "",
|
|
"sender": client.userId,
|
|
"origin_server_ts": QDateTime.currentMSecsSinceEpoch(),
|
|
"content": content,
|
|
})
|
|
event = RoomEvent(
|
|
type = type(nio_event).__name__,
|
|
dict = nio_event.__dict__,
|
|
isLocalEcho = True,
|
|
)
|
|
model.insert(0, event)
|
|
self._events_in_transfer += 1
|
|
|
|
# self._move_room(client.userId, room_id)
|
|
|
|
|
|
def onRoomAboutToBeForgotten(self, client: Client, room_id: str) -> None:
|
|
categories = self.backend.accounts[client.userId].roomCategories
|
|
|
|
for categ in categories:
|
|
categ.rooms.pop(room_id, None)
|
|
|
|
self.backend.roomEvents[room_id].clear()
|