mirror of
https://github.com/element-hq/synapse
synced 2024-07-04 08:43:29 +00:00
Add get_current_state_delta_membership_changes_for_user(...)
(using current_state_delta_stream
)
(still need to add newly_left rooms back)
This commit is contained in:
parent
83d6f76606
commit
fbd92e1c9d
|
@ -27,6 +27,7 @@ from synapse.api.constants import AccountDataTypes, Direction, EventTypes, Membe
|
|||
from synapse.events import EventBase
|
||||
from synapse.events.utils import strip_event
|
||||
from synapse.handlers.relations import BundledAggregations
|
||||
from synapse.storage.databases.main.stream import CurrentStateDeltaMembership
|
||||
from synapse.storage.roommember import RoomsForUser
|
||||
from synapse.types import (
|
||||
JsonDict,
|
||||
|
@ -369,6 +370,9 @@ class SlidingSyncHandler:
|
|||
|
||||
# Our working list of rooms that can show up in the sync response
|
||||
sync_room_id_set = {
|
||||
# Note: The `room_for_user` we're assigning here will need to be fixed up
|
||||
# (below) because they are potentially from the current snapshot time
|
||||
# instead from the time of the `to_token`.
|
||||
room_for_user.room_id: room_for_user
|
||||
for room_for_user in room_for_user_list
|
||||
if filter_membership_for_sync(
|
||||
|
@ -404,33 +408,10 @@ class SlidingSyncHandler:
|
|||
instance_map=immutabledict(instance_to_max_stream_ordering_map),
|
||||
)
|
||||
|
||||
# Since we fetched the users room list at some point in time after the from/to
|
||||
# tokens, we need to revert/rewind some membership changes to match the point in
|
||||
# time of the `to_token`. In particular, we need to make these fixups:
|
||||
#
|
||||
# - 1a) Remove rooms that the user joined after the `to_token`
|
||||
# - 1b) Add back rooms that the user left after the `to_token`
|
||||
# - 2) Add back newly_left rooms (> `from_token` and <= `to_token`)
|
||||
#
|
||||
# Below, we're doing two separate lookups for membership changes. We could
|
||||
# request everything for both fixups in one range, [`from_token.room_key`,
|
||||
# `membership_snapshot_token`), but we want to avoid raw `stream_ordering`
|
||||
# comparison without `instance_name` (which is flawed). We could refactor
|
||||
# `event.internal_metadata` to include `instance_name` but it might turn out a
|
||||
# little difficult and a bigger, broader Synapse change than we want to make.
|
||||
|
||||
# 1) -----------------------------------------------------
|
||||
|
||||
# 1) Fetch membership changes that fall in the range from `to_token` up to
|
||||
# `membership_snapshot_token`
|
||||
#
|
||||
# If our `to_token` is already the same or ahead of the latest room membership
|
||||
# for the user, we don't need to do any "2)" fix-ups and can just straight-up
|
||||
# use the room list from the snapshot as a base (nothing has changed)
|
||||
membership_change_events_after_to_token = []
|
||||
current_state_delta_membership_changes_after_to_token = []
|
||||
if not membership_snapshot_token.is_before_or_eq(to_token.room_key):
|
||||
membership_change_events_after_to_token = (
|
||||
await self.store.get_membership_changes_for_user(
|
||||
current_state_delta_membership_changes_after_to_token = (
|
||||
await self.store.get_current_state_delta_membership_changes_for_user(
|
||||
user_id,
|
||||
from_key=to_token.room_key,
|
||||
to_key=membership_snapshot_token,
|
||||
|
@ -438,138 +419,224 @@ class SlidingSyncHandler:
|
|||
)
|
||||
)
|
||||
|
||||
# 1) Assemble a list of the last membership events in some given ranges. Someone
|
||||
# could have left and joined multiple times during the given range but we only
|
||||
# care about end-result so we grab the last one.
|
||||
last_membership_change_by_room_id_after_to_token: Dict[str, EventBase] = {}
|
||||
# We also need the first membership event after the `to_token` so we can step
|
||||
# We need the first membership event after the `to_token` so we can step
|
||||
# backward to the previous membership that would apply to the from/to range.
|
||||
first_membership_change_by_room_id_after_to_token: Dict[str, EventBase] = {}
|
||||
for event in membership_change_events_after_to_token:
|
||||
last_membership_change_by_room_id_after_to_token[event.room_id] = event
|
||||
first_membership_change_by_room_id_after_to_token: Dict[
|
||||
str, CurrentStateDeltaMembership
|
||||
] = {}
|
||||
for membership_change in current_state_delta_membership_changes_after_to_token:
|
||||
# Only set if we haven't already set it
|
||||
first_membership_change_by_room_id_after_to_token.setdefault(
|
||||
event.room_id, event
|
||||
membership_change.room_id, membership_change
|
||||
)
|
||||
|
||||
# 1) Fixup
|
||||
# Since we fetched a snapshot of the users room list at some point in time after
|
||||
# the from/to tokens, we need to revert/rewind some membership changes to match
|
||||
# the point in time of the `to_token`.
|
||||
prev_event_ids_in_from_to_range = []
|
||||
for (
|
||||
last_membership_change_after_to_token
|
||||
) in last_membership_change_by_room_id_after_to_token.values():
|
||||
room_id = last_membership_change_after_to_token.room_id
|
||||
|
||||
# We want to find the first membership change after the `to_token` then step
|
||||
# backward to know the membership in the from/to range.
|
||||
first_membership_change_after_to_token = (
|
||||
first_membership_change_by_room_id_after_to_token.get(room_id)
|
||||
)
|
||||
assert first_membership_change_after_to_token is not None, (
|
||||
"If there was a `last_membership_change_after_to_token` that we're iterating over, "
|
||||
+ "then there should be corresponding a first change. For example, even if there "
|
||||
+ "is only one event after the `to_token`, the first and last event will be same event. "
|
||||
+ "This is probably a mistake in assembling the `last_membership_change_by_room_id_after_to_token`"
|
||||
+ "/`first_membership_change_by_room_id_after_to_token` dicts above."
|
||||
)
|
||||
# TODO: Instead of reading from `unsigned`, refactor this to use the
|
||||
# `current_state_delta_stream` table in the future. Probably a new
|
||||
# `get_membership_changes_for_user()` function that uses
|
||||
# `current_state_delta_stream` with a join to `room_memberships`. This would
|
||||
# help in state reset scenarios since `prev_content` is looking at the
|
||||
# current branch vs the current room state. This is all just data given to
|
||||
# the client so no real harm to data integrity, but we'd like to be nice to
|
||||
# the client. Since the `current_state_delta_stream` table is new, it
|
||||
# doesn't have all events in it. Since this is Sliding Sync, if we ever need
|
||||
# to, we can signal the client to throw all of their state away by sending
|
||||
# "operation: RESET".
|
||||
prev_content = first_membership_change_after_to_token.unsigned.get(
|
||||
"prev_content", {}
|
||||
)
|
||||
prev_membership = prev_content.get("membership", None)
|
||||
prev_sender = first_membership_change_after_to_token.unsigned.get(
|
||||
"prev_sender", None
|
||||
room_id,
|
||||
first_membership_change_after_to_token,
|
||||
) in first_membership_change_by_room_id_after_to_token.items():
|
||||
# One of these should exist to be a valid row in `current_state_delta_stream`
|
||||
assert (
|
||||
first_membership_change_after_to_token.event_id is not None
|
||||
or first_membership_change_after_to_token.prev_event_id is not None
|
||||
)
|
||||
|
||||
# Check if the previous membership (membership that applies to the from/to
|
||||
# range) should be included in our `sync_room_id_set`
|
||||
should_prev_membership_be_included = (
|
||||
prev_membership is not None
|
||||
and prev_sender is not None
|
||||
and filter_membership_for_sync(
|
||||
membership=prev_membership,
|
||||
user_id=user_id,
|
||||
sender=prev_sender,
|
||||
# If the membership change was added after the `to_token`, we need to remove
|
||||
# it
|
||||
if first_membership_change_after_to_token.prev_event_id is None:
|
||||
sync_room_id_set.pop(room_id, None)
|
||||
# From the first membership event after the `to_token`, we need to step
|
||||
# backward to the previous membership that would apply to the from/to range.
|
||||
else:
|
||||
prev_event_ids_in_from_to_range.append(
|
||||
first_membership_change_after_to_token.prev_event_id
|
||||
)
|
||||
)
|
||||
|
||||
# Check if the last membership (membership that applies to our snapshot) was
|
||||
# already included in our `sync_room_id_set`
|
||||
was_last_membership_already_included = filter_membership_for_sync(
|
||||
membership=last_membership_change_after_to_token.membership,
|
||||
# Fetch the previous membership events that apply to the from/to range and fixup
|
||||
# our working list.
|
||||
prev_events_in_from_to_range = await self.store.get_events(
|
||||
prev_event_ids_in_from_to_range
|
||||
)
|
||||
for prev_event_in_from_to_range in prev_events_in_from_to_range.values():
|
||||
# Update if the membership should be included
|
||||
if filter_membership_for_sync(
|
||||
membership=prev_event_in_from_to_range.membership,
|
||||
user_id=user_id,
|
||||
sender=last_membership_change_after_to_token.sender,
|
||||
)
|
||||
|
||||
# 1a) Add back rooms that the user left after the `to_token`
|
||||
#
|
||||
# For example, if the last membership event after the `to_token` is a leave
|
||||
# event, then the room was excluded from `sync_room_id_set` when we first
|
||||
# crafted it above. We should add these rooms back as long as the user also
|
||||
# was part of the room before the `to_token`.
|
||||
if (
|
||||
not was_last_membership_already_included
|
||||
and should_prev_membership_be_included
|
||||
sender=prev_event_in_from_to_range.sender,
|
||||
):
|
||||
sync_room_id_set[room_id] = convert_event_to_rooms_for_user(
|
||||
last_membership_change_after_to_token
|
||||
sync_room_id_set[prev_event_in_from_to_range.room_id] = (
|
||||
convert_event_to_rooms_for_user(prev_event_in_from_to_range)
|
||||
)
|
||||
# 1b) Remove rooms that the user joined (hasn't left) after the `to_token`
|
||||
#
|
||||
# For example, if the last membership event after the `to_token` is a "join"
|
||||
# event, then the room was included `sync_room_id_set` when we first crafted
|
||||
# it above. We should remove these rooms as long as the user also wasn't
|
||||
# part of the room before the `to_token`.
|
||||
elif (
|
||||
was_last_membership_already_included
|
||||
and not should_prev_membership_be_included
|
||||
):
|
||||
del sync_room_id_set[room_id]
|
||||
# Otherwise, remove it
|
||||
else:
|
||||
sync_room_id_set.pop(prev_event_in_from_to_range.room_id, None)
|
||||
|
||||
# 2) -----------------------------------------------------
|
||||
# We fix-up newly_left rooms after the first fixup because it may have removed
|
||||
# some left rooms that we can figure out are newly_left in the following code
|
||||
# TODO: Add back newly_left rooms
|
||||
|
||||
# 2) Fetch membership changes that fall in the range from `from_token` up to `to_token`
|
||||
membership_change_events_in_from_to_range = []
|
||||
if from_token:
|
||||
membership_change_events_in_from_to_range = (
|
||||
await self.store.get_membership_changes_for_user(
|
||||
user_id,
|
||||
from_key=from_token.room_key,
|
||||
to_key=to_token.room_key,
|
||||
excluded_rooms=self.rooms_to_exclude_globally,
|
||||
)
|
||||
)
|
||||
# Since we fetched the users room list at some point in time after the from/to
|
||||
# tokens, we need to revert/rewind some membership changes to match the point in
|
||||
# time of the `to_token`. In particular, we need to make these fixups:
|
||||
#
|
||||
# - 1a) Remove rooms that the user joined after the `to_token`
|
||||
# - 1b) Add back rooms that the user left after the `to_token`
|
||||
# - 2) Add back newly_left rooms (> `from_token` and <= `to_token`)
|
||||
|
||||
# 2) Assemble a list of the last membership events in some given ranges. Someone
|
||||
# could have left and joined multiple times during the given range but we only
|
||||
# care about end-result so we grab the last one.
|
||||
last_membership_change_by_room_id_in_from_to_range: Dict[str, EventBase] = {}
|
||||
for event in membership_change_events_in_from_to_range:
|
||||
last_membership_change_by_room_id_in_from_to_range[event.room_id] = event
|
||||
# # 1) -----------------------------------------------------
|
||||
|
||||
# 2) Fixup
|
||||
for (
|
||||
last_membership_change_in_from_to_range
|
||||
) in last_membership_change_by_room_id_in_from_to_range.values():
|
||||
room_id = last_membership_change_in_from_to_range.room_id
|
||||
# # 1) Fetch membership changes that fall in the range from `to_token` up to
|
||||
# # `membership_snapshot_token`
|
||||
# #
|
||||
# # If our `to_token` is already the same or ahead of the latest room membership
|
||||
# # for the user, we don't need to do any "2)" fix-ups and can just straight-up
|
||||
# # use the room list from the snapshot as a base (nothing has changed)
|
||||
# membership_change_events_after_to_token = []
|
||||
# if not membership_snapshot_token.is_before_or_eq(to_token.room_key):
|
||||
# membership_change_events_after_to_token = (
|
||||
# await self.store.get_membership_changes_for_user(
|
||||
# user_id,
|
||||
# from_key=to_token.room_key,
|
||||
# to_key=membership_snapshot_token,
|
||||
# excluded_rooms=self.rooms_to_exclude_globally,
|
||||
# )
|
||||
# )
|
||||
|
||||
# 2) Add back newly_left rooms (> `from_token` and <= `to_token`). We
|
||||
# include newly_left rooms because the last event that the user should see
|
||||
# is their own leave event
|
||||
if last_membership_change_in_from_to_range.membership == Membership.LEAVE:
|
||||
sync_room_id_set[room_id] = convert_event_to_rooms_for_user(
|
||||
last_membership_change_in_from_to_range
|
||||
)
|
||||
# # 1) Assemble a list of the last membership events in some given ranges. Someone
|
||||
# # could have left and joined multiple times during the given range but we only
|
||||
# # care about end-result so we grab the last one.
|
||||
# last_membership_change_by_room_id_after_to_token: Dict[str, EventBase] = {}
|
||||
# # We also need the first membership event after the `to_token` so we can step
|
||||
# # backward to the previous membership that would apply to the from/to range.
|
||||
# first_membership_change_by_room_id_after_to_token: Dict[str, EventBase] = {}
|
||||
# for event in membership_change_events_after_to_token:
|
||||
# last_membership_change_by_room_id_after_to_token[event.room_id] = event
|
||||
# # Only set if we haven't already set it
|
||||
# first_membership_change_by_room_id_after_to_token.setdefault(
|
||||
# event.room_id, event
|
||||
# )
|
||||
|
||||
# # 1) Fixup
|
||||
# for (
|
||||
# last_membership_change_after_to_token
|
||||
# ) in last_membership_change_by_room_id_after_to_token.values():
|
||||
# room_id = last_membership_change_after_to_token.room_id
|
||||
|
||||
# # We want to find the first membership change after the `to_token` then step
|
||||
# # backward to know the membership in the from/to range.
|
||||
# first_membership_change_after_to_token = (
|
||||
# first_membership_change_by_room_id_after_to_token.get(room_id)
|
||||
# )
|
||||
# assert first_membership_change_after_to_token is not None, (
|
||||
# "If there was a `last_membership_change_after_to_token` that we're iterating over, "
|
||||
# + "then there should be corresponding a first change. For example, even if there "
|
||||
# + "is only one event after the `to_token`, the first and last event will be same event. "
|
||||
# + "This is probably a mistake in assembling the `last_membership_change_by_room_id_after_to_token`"
|
||||
# + "/`first_membership_change_by_room_id_after_to_token` dicts above."
|
||||
# )
|
||||
# # TODO: Instead of reading from `unsigned`, refactor this to use the
|
||||
# # `current_state_delta_stream` table in the future. Probably a new
|
||||
# # `get_membership_changes_for_user()` function that uses
|
||||
# # `current_state_delta_stream` with a join to `room_memberships`. This would
|
||||
# # help in state reset scenarios since `prev_content` is looking at the
|
||||
# # current branch vs the current room state. This is all just data given to
|
||||
# # the client so no real harm to data integrity, but we'd like to be nice to
|
||||
# # the client. Since the `current_state_delta_stream` table is new, it
|
||||
# # doesn't have all events in it. Since this is Sliding Sync, if we ever need
|
||||
# # to, we can signal the client to throw all of their state away by sending
|
||||
# # "operation: RESET".
|
||||
# prev_content = first_membership_change_after_to_token.unsigned.get(
|
||||
# "prev_content", {}
|
||||
# )
|
||||
# prev_membership = prev_content.get("membership", None)
|
||||
# prev_sender = first_membership_change_after_to_token.unsigned.get(
|
||||
# "prev_sender", None
|
||||
# )
|
||||
|
||||
# # Check if the previous membership (membership that applies to the from/to
|
||||
# # range) should be included in our `sync_room_id_set`
|
||||
# should_prev_membership_be_included = (
|
||||
# prev_membership is not None
|
||||
# and prev_sender is not None
|
||||
# and filter_membership_for_sync(
|
||||
# membership=prev_membership,
|
||||
# user_id=user_id,
|
||||
# sender=prev_sender,
|
||||
# )
|
||||
# )
|
||||
|
||||
# # Check if the last membership (membership that applies to our snapshot) was
|
||||
# # already included in our `sync_room_id_set`
|
||||
# was_last_membership_already_included = filter_membership_for_sync(
|
||||
# membership=last_membership_change_after_to_token.membership,
|
||||
# user_id=user_id,
|
||||
# sender=last_membership_change_after_to_token.sender,
|
||||
# )
|
||||
|
||||
# # 1a) Add back rooms that the user left after the `to_token`
|
||||
# #
|
||||
# # For example, if the last membership event after the `to_token` is a leave
|
||||
# # event, then the room was excluded from `sync_room_id_set` when we first
|
||||
# # crafted it above. We should add these rooms back as long as the user also
|
||||
# # was part of the room before the `to_token`.
|
||||
# if (
|
||||
# not was_last_membership_already_included
|
||||
# and should_prev_membership_be_included
|
||||
# ):
|
||||
# # TODO: Assign the correct membership event at the `to_token` here
|
||||
# # (currently we're setting it as the last event after the `to_token`)
|
||||
# sync_room_id_set[room_id] = convert_event_to_rooms_for_user(
|
||||
# last_membership_change_after_to_token
|
||||
# )
|
||||
# # 1b) Remove rooms that the user joined (hasn't left) after the `to_token`
|
||||
# #
|
||||
# # For example, if the last membership event after the `to_token` is a "join"
|
||||
# # event, then the room was included `sync_room_id_set` when we first crafted
|
||||
# # it above. We should remove these rooms as long as the user also wasn't
|
||||
# # part of the room before the `to_token`.
|
||||
# elif (
|
||||
# was_last_membership_already_included
|
||||
# and not should_prev_membership_be_included
|
||||
# ):
|
||||
# del sync_room_id_set[room_id]
|
||||
|
||||
# # 2) -----------------------------------------------------
|
||||
# # We fix-up newly_left rooms after the first fixup because it may have removed
|
||||
# # some left rooms that we can figure out are newly_left in the following code
|
||||
|
||||
# # 2) Fetch membership changes that fall in the range from `from_token` up to `to_token`
|
||||
# membership_change_events_in_from_to_range = []
|
||||
# if from_token:
|
||||
# membership_change_events_in_from_to_range = (
|
||||
# await self.store.get_membership_changes_for_user(
|
||||
# user_id,
|
||||
# from_key=from_token.room_key,
|
||||
# to_key=to_token.room_key,
|
||||
# excluded_rooms=self.rooms_to_exclude_globally,
|
||||
# )
|
||||
# )
|
||||
|
||||
# # 2) Assemble a list of the last membership events in some given ranges. Someone
|
||||
# # could have left and joined multiple times during the given range but we only
|
||||
# # care about end-result so we grab the last one.
|
||||
# last_membership_change_by_room_id_in_from_to_range: Dict[str, EventBase] = {}
|
||||
# for event in membership_change_events_in_from_to_range:
|
||||
# last_membership_change_by_room_id_in_from_to_range[event.room_id] = event
|
||||
|
||||
# # 2) Fixup
|
||||
# for (
|
||||
# last_membership_change_in_from_to_range
|
||||
# ) in last_membership_change_by_room_id_in_from_to_range.values():
|
||||
# room_id = last_membership_change_in_from_to_range.room_id
|
||||
|
||||
# # 2) Add back newly_left rooms (> `from_token` and <= `to_token`). We
|
||||
# # include newly_left rooms because the last event that the user should see
|
||||
# # is their own leave event
|
||||
# if last_membership_change_in_from_to_range.membership == Membership.LEAVE:
|
||||
# sync_room_id_set[room_id] = convert_event_to_rooms_for_user(
|
||||
# last_membership_change_in_from_to_range
|
||||
# )
|
||||
|
||||
return sync_room_id_set
|
||||
|
||||
|
|
|
@ -44,6 +44,7 @@ what sort order was used:
|
|||
import logging
|
||||
from typing import (
|
||||
TYPE_CHECKING,
|
||||
AbstractSet,
|
||||
Any,
|
||||
Collection,
|
||||
Dict,
|
||||
|
@ -62,7 +63,7 @@ from typing_extensions import Literal
|
|||
|
||||
from twisted.internet import defer
|
||||
|
||||
from synapse.api.constants import Direction
|
||||
from synapse.api.constants import Direction, EventTypes
|
||||
from synapse.api.filtering import Filter
|
||||
from synapse.events import EventBase
|
||||
from synapse.logging.context import make_deferred_yieldable, run_in_background
|
||||
|
@ -111,6 +112,24 @@ class _EventsAround:
|
|||
end: RoomStreamToken
|
||||
|
||||
|
||||
@attr.s(slots=True, frozen=True, auto_attribs=True)
|
||||
class CurrentStateDeltaMembership:
|
||||
"""
|
||||
Attributes:
|
||||
event_id: The "current" membership event ID in this room. May be `None` if the
|
||||
server is no longer in the room or a state reset happened.
|
||||
prev_event_id: The previous membership event in this room that was replaced by
|
||||
the "current" one. May be `None` if there was no previous membership event.
|
||||
room_id: The room ID of the membership event.
|
||||
"""
|
||||
|
||||
event_id: Optional[str]
|
||||
prev_event_id: Optional[str]
|
||||
room_id: str
|
||||
# Could be useful but we're not using it yet.
|
||||
# event_pos: PersistedEventPosition
|
||||
|
||||
|
||||
def generate_pagination_where_clause(
|
||||
direction: Direction,
|
||||
column_names: Tuple[str, str],
|
||||
|
@ -390,6 +409,42 @@ def _filter_results(
|
|||
return True
|
||||
|
||||
|
||||
def _filter_results_by_stream(
|
||||
lower_token: Optional[RoomStreamToken],
|
||||
upper_token: Optional[RoomStreamToken],
|
||||
instance_name: str,
|
||||
stream_ordering: int,
|
||||
) -> bool:
|
||||
"""
|
||||
Note: This function only works with "live" tokens with `stream_ordering` only.
|
||||
|
||||
Returns True if the event persisted by the given instance at the given
|
||||
topological/stream_ordering falls between the two tokens (taking a None
|
||||
token to mean unbounded).
|
||||
|
||||
Used to filter results from fetching events in the DB against the given
|
||||
tokens. This is necessary to handle the case where the tokens include
|
||||
position maps, which we handle by fetching more than necessary from the DB
|
||||
and then filtering (rather than attempting to construct a complicated SQL
|
||||
query).
|
||||
"""
|
||||
if lower_token:
|
||||
assert lower_token.topological is None
|
||||
|
||||
# If these are live tokens we compare the stream ordering against the
|
||||
# writers stream position.
|
||||
if stream_ordering <= lower_token.get_stream_pos_for_instance(instance_name):
|
||||
return False
|
||||
|
||||
if upper_token:
|
||||
assert upper_token.topological is None
|
||||
|
||||
if upper_token.get_stream_pos_for_instance(instance_name) < stream_ordering:
|
||||
return False
|
||||
|
||||
return True
|
||||
|
||||
|
||||
def filter_to_clause(event_filter: Optional[Filter]) -> Tuple[str, List[str]]:
|
||||
# NB: This may create SQL clauses that don't optimise well (and we don't
|
||||
# have indices on all possible clauses). E.g. it may create
|
||||
|
@ -731,6 +786,94 @@ class StreamWorkerStore(EventsWorkerStore, SQLBaseStore):
|
|||
|
||||
return ret, key
|
||||
|
||||
async def get_current_state_delta_membership_changes_for_user(
|
||||
self,
|
||||
user_id: str,
|
||||
from_key: RoomStreamToken,
|
||||
to_key: RoomStreamToken,
|
||||
excluded_rooms: Optional[List[str]] = None,
|
||||
) -> List[CurrentStateDeltaMembership]:
|
||||
"""
|
||||
TODO
|
||||
|
||||
Note: This function only works with "live" tokens with `stream_ordering` only.
|
||||
|
||||
All such events whose stream ordering `s` lies in the range `from_key < s <=
|
||||
to_key` are returned. Events are sorted by `stream_ordering` ascending.
|
||||
"""
|
||||
# Start by ruling out cases where a DB query is not necessary.
|
||||
if from_key == to_key:
|
||||
return []
|
||||
|
||||
if from_key:
|
||||
has_changed = self._membership_stream_cache.has_entity_changed(
|
||||
user_id, int(from_key.stream)
|
||||
)
|
||||
if not has_changed:
|
||||
return []
|
||||
|
||||
def f(txn: LoggingTransaction) -> List[CurrentStateDeltaMembership]:
|
||||
# To handle tokens with a non-empty instance_map we fetch more
|
||||
# results than necessary and then filter down
|
||||
min_from_id = from_key.stream
|
||||
max_to_id = to_key.get_max_stream_pos()
|
||||
|
||||
args: List[Any] = [EventTypes.Member, user_id, min_from_id, max_to_id]
|
||||
|
||||
# TODO: It would be good to assert that the `to_token` is >=
|
||||
# the first row in `current_state_delta_stream` for the rooms we're
|
||||
# interested in. Otherwise, we will end up with empty results and not know
|
||||
# it.
|
||||
|
||||
# Note: There is no index for `(type, state_key)` in
|
||||
# `current_state_delta_stream`. We also can't just add an index for
|
||||
# `event_id` and join the `room_memberships` table by `event_id` because it
|
||||
# may be `null` in `current_state_delta_stream` so nothing will match (it's
|
||||
# `null` when the server is no longer in the room or a state reset happened
|
||||
# and it was unset).
|
||||
sql = """
|
||||
SELECT s.event_id, s.prev_event_id, s.room_id, s.instance_name, s.stream_id
|
||||
FROM current_state_delta_stream AS s
|
||||
WHERE s.type = ? AND s.state_key = ?
|
||||
AND s.stream_id > ? AND s.stream_id <= ?
|
||||
ORDER BY s.stream_id ASC
|
||||
"""
|
||||
|
||||
txn.execute(sql, args)
|
||||
|
||||
return [
|
||||
CurrentStateDeltaMembership(
|
||||
event_id=event_id,
|
||||
prev_event_id=prev_event_id,
|
||||
room_id=room_id,
|
||||
# event_pos=PersistedEventPosition(
|
||||
# instance_name=instance_name,
|
||||
# stream=stream_ordering,
|
||||
# ),
|
||||
)
|
||||
for event_id, prev_event_id, room_id, instance_name, stream_ordering in txn
|
||||
if _filter_results_by_stream(
|
||||
from_key,
|
||||
to_key,
|
||||
instance_name,
|
||||
stream_ordering,
|
||||
)
|
||||
]
|
||||
|
||||
current_state_delta_membership_changes = await self.db_pool.runInteraction(
|
||||
"get_current_state_delta_membership_changes_for_user", f
|
||||
)
|
||||
|
||||
rooms_to_exclude: AbstractSet[str] = set()
|
||||
if excluded_rooms is not None:
|
||||
rooms_to_exclude = set(excluded_rooms)
|
||||
|
||||
return [
|
||||
membership_change
|
||||
for membership_change in current_state_delta_membership_changes
|
||||
if membership_change.room_id not in rooms_to_exclude
|
||||
]
|
||||
|
||||
@cancellable
|
||||
async def get_membership_changes_for_user(
|
||||
self,
|
||||
|
@ -766,10 +909,10 @@ class StreamWorkerStore(EventsWorkerStore, SQLBaseStore):
|
|||
|
||||
ignore_room_clause = ""
|
||||
if excluded_rooms is not None and len(excluded_rooms) > 0:
|
||||
ignore_room_clause = "AND e.room_id NOT IN (%s)" % ",".join(
|
||||
"?" for _ in excluded_rooms
|
||||
ignore_room_clause, ignore_room_args = make_in_list_sql_clause(
|
||||
txn.database_engine, "e.room_id", excluded_rooms, negative=True
|
||||
)
|
||||
args = args + excluded_rooms
|
||||
args += ignore_room_args
|
||||
|
||||
sql = """
|
||||
SELECT m.event_id, instance_name, topological_ordering, stream_ordering
|
||||
|
|
|
@ -1029,7 +1029,7 @@ class GetSyncRoomIdsForUserTestCase(HomeserverTestCase):
|
|||
),
|
||||
)
|
||||
|
||||
def test_display_name_changes(
|
||||
def test_display_name_changes_in_token_range(
|
||||
self,
|
||||
) -> None:
|
||||
"""
|
||||
|
@ -1102,6 +1102,77 @@ class GetSyncRoomIdsForUserTestCase(HomeserverTestCase):
|
|||
),
|
||||
)
|
||||
|
||||
def test_display_name_changes_before_and_after_token_range(
|
||||
self,
|
||||
) -> None:
|
||||
"""
|
||||
Test that we point to the correct membership event even though there are no
|
||||
membership events in the from/range but there are `displayname`/`avatar_url`
|
||||
changes before/after the token range.
|
||||
"""
|
||||
user1_id = self.register_user("user1", "pass")
|
||||
user1_tok = self.login(user1_id, "pass")
|
||||
user2_id = self.register_user("user2", "pass")
|
||||
user2_tok = self.login(user2_id, "pass")
|
||||
|
||||
# We create the room with user2 so the room isn't left with no members when we
|
||||
# leave and can still re-join.
|
||||
room_id1 = self.helper.create_room_as(user2_id, tok=user2_tok, is_public=True)
|
||||
join_response = self.helper.join(room_id1, user1_id, tok=user1_tok)
|
||||
# Update the displayname before the token range
|
||||
displayname_change_before_token_range_response = self.helper.send_state(
|
||||
room_id1,
|
||||
event_type=EventTypes.Member,
|
||||
state_key=user1_id,
|
||||
body={
|
||||
"membership": Membership.JOIN,
|
||||
"displayname": "displayname during token range",
|
||||
},
|
||||
tok=user1_tok,
|
||||
)
|
||||
|
||||
after_room1_token = self.event_sources.get_current_token()
|
||||
|
||||
# Update the displayname after the token range
|
||||
displayname_change_after_token_range_response = self.helper.send_state(
|
||||
room_id1,
|
||||
event_type=EventTypes.Member,
|
||||
state_key=user1_id,
|
||||
body={
|
||||
"membership": Membership.JOIN,
|
||||
"displayname": "displayname after token range",
|
||||
},
|
||||
tok=user1_tok,
|
||||
)
|
||||
|
||||
room_id_results = self.get_success(
|
||||
self.sliding_sync_handler.get_sync_room_ids_for_user(
|
||||
UserID.from_string(user1_id),
|
||||
from_token=after_room1_token,
|
||||
to_token=after_room1_token,
|
||||
)
|
||||
)
|
||||
|
||||
# Room should show up because we were joined before the from/to range
|
||||
self.assertEqual(room_id_results.keys(), {room_id1})
|
||||
# It should be pointing to the latest membership event in the from/to range
|
||||
self.assertEqual(
|
||||
room_id_results[room_id1].event_id,
|
||||
displayname_change_before_token_range_response["event_id"],
|
||||
"Corresponding map to disambiguate the opaque event IDs: "
|
||||
+ str(
|
||||
{
|
||||
"join_response": join_response["event_id"],
|
||||
"displayname_change_before_token_range_response": displayname_change_before_token_range_response[
|
||||
"event_id"
|
||||
],
|
||||
"displayname_change_after_token_range_response": displayname_change_after_token_range_response[
|
||||
"event_id"
|
||||
],
|
||||
}
|
||||
),
|
||||
)
|
||||
|
||||
def test_display_name_changes_leave_after_token_range(
|
||||
self,
|
||||
) -> None:
|
||||
|
|
Loading…
Reference in a new issue