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Remove support for the unstable dir flag on relations. (#14106)

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From MSC3715, this was unused by clients (and there was no
way for clients to know it was supported).

Matrix 1.4 defines the stable field.
This commit is contained in:
Patrick Cloke 2022-10-07 12:38:46 -04:00 • committed by GitHub
parent ab8047b4bf
commit e03d7c5fd0
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5 changed files with 31 additions and 57 deletions
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45
synapse/rest/client/relations.py
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@ -16,10 +16,11 @@ import logging
from typing import TYPE_CHECKING, Optional, Tuple
from synapse.http.server import HttpServer
from synapse.http.servlet import RestServlet, parse_integer, parse_string
from synapse.http.servlet import RestServlet
from synapse.http.site import SynapseRequest
from synapse.rest.client._base import client_patterns
from synapse.types import JsonDict, StreamToken
from synapse.streams.config import PaginationConfig
from synapse.types import JsonDict
if TYPE_CHECKING:
from synapse.server import HomeServer
@ -41,9 +42,8 @@ class RelationPaginationServlet(RestServlet):
def __init__(self, hs: "HomeServer"):
super().__init__()
self.auth = hs.get_auth()
self.store = hs.get_datastores().main
self._store = hs.get_datastores().main
self._relations_handler = hs.get_relations_handler()
self._msc3715_enabled = hs.config.experimental.msc3715_enabled
async def on_GET(
self,
@ -55,49 +55,24 @@ class RelationPaginationServlet(RestServlet):
) -> Tuple[int, JsonDict]:
requester = await self.auth.get_user_by_req(request, allow_guest=True)
limit = parse_integer(request, "limit", default=5)
# Fetch the direction parameter, if provided.
#
# TODO Use PaginationConfig.from_request when the unstable parameter is
# no longer needed.
direction = parse_string(request, "dir", allowed_values=["f", "b"])
if direction is None:
if self._msc3715_enabled:
direction = parse_string(
request,
"org.matrix.msc3715.dir",
default="b",
allowed_values=["f", "b"],
)
else:
direction = "b"
from_token_str = parse_string(request, "from")
to_token_str = parse_string(request, "to")
# Return the relations
from_token = None
if from_token_str:
from_token = await StreamToken.from_string(self.store, from_token_str)
to_token = None
if to_token_str:
to_token = await StreamToken.from_string(self.store, to_token_str)
pagination_config = await PaginationConfig.from_request(
self._store, request, default_limit=5, default_dir="b"
)
# The unstable version of this API returns an extra field for client
# compatibility, see https://github.com/matrix-org/synapse/issues/12930.
assert request.path is not None
include_original_event = request.path.startswith(b"/_matrix/client/unstable/")
# Return the relations
result = await self._relations_handler.get_relations(
requester=requester,
event_id=parent_id,
room_id=room_id,
pagin_config=pagination_config,
include_original_event=include_original_event,
relation_type=relation_type,
event_type=event_type,
limit=limit,
direction=direction,
from_token=from_token,
to_token=to_token,
include_original_event=include_original_event,
)
return 200, result