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fix: Separating StateUpdates by receivee.

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This commit is contained in:
Andreas Eismann 2024-07-17 17:33:45 +02:00
parent 351e5a0250
commit 50b9f7b1da
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2 changed files with 35 additions and 6 deletions
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32
reflex/app.py
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@ -1481,12 +1481,38 @@ class EventNamespace(AsyncNamespace):
if self.sid_to_token[sid] != receiver:
room = receiver
if room not in self.rooms(sid):
print(f"Entering room `{room}`")
await self.enter_room(sid, room)
# for room in self.rooms(sid):
# if room not in update.scopes and room != sid:
# print(f"Leaving room `{room}`")
# await self.leave_room(sid, room)
# deltas = {delta._scope: {state: delta} for state, delta in update.delta.values.items()}
delta_by_scope = {}
for state, delta in update.delta.items():
key = delta.get("_scope", sid)
d = delta_by_scope.get(key, {})
d.update({state: delta})
delta_by_scope[key] = d
for scope, deltas in delta_by_scope.items():
single_update = StateUpdate(
delta=deltas, scopes=[scope], events=update.events, final=update.final
)
await asyncio.create_task(
self.emit(
str(constants.SocketEvent.EVENT), single_update.json(), to=scope
)
)
update.scopes = []
# Creating a task prevents the update from being blocked behind other coroutines.
await asyncio.create_task(
self.emit(str(constants.SocketEvent.EVENT), update.json(), to=room or sid)
)
async def on_event(self, sid, data):
"""Event for receiving front-end websocket events.

9
reflex/state.py
View File

@ -702,7 +702,7 @@ class BaseState(Base, ABC, extra=pydantic.Extra.allow):
)
# Any substate containing a ComputedVar with cache=False always needs to be recomputed
if cls._always_dirty_computed_vars:
if cls._always_dirty_computed_vars: # or cls._scope is not None:
# Tell parent classes that this substate has always dirty computed vars
state_name = cls.get_name()
parent_state = cls.get_parent_state()
@ -1461,7 +1461,7 @@ class BaseState(Base, ABC, extra=pydantic.Extra.allow):
result.append(subscope)
return result
def _get_token(self, other=None) -> str:
def _get_token(self, other: type[BaseState] | None = None) -> str:
token = self.router.session.client_token
cls = other or self.__class__
if cls._scope is not None:
@ -1701,6 +1701,9 @@ class BaseState(Base, ABC, extra=pydantic.Extra.allow):
if len(subdelta) > 0:
delta[self.get_full_name()] = subdelta
if self.__class__._scope is not None:
subdelta["_scope"] = self._get_token()
# Recursively find the substate deltas.
substates = self.substates
for substate in self.dirty_substates.union(self._always_dirty_substates):
@ -1836,7 +1839,7 @@ class BaseState(Base, ABC, extra=pydantic.Extra.allow):
}
else:
computed_vars = {}
variables = {**base_vars, **computed_vars}
variables = {"_scope": self._get_token(), **base_vars, **computed_vars}
d = {
self.get_full_name(): {k: variables[k] for k in sorted(variables)},
}