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Use an enum for direction. (#14927)

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For better type safety we  use an enum instead of strings to
configure direction (backwards or forwards).
This commit is contained in:
Patrick Cloke 2023-01-27 07:27:55 -05:00 • committed by GitHub
parent fc35e0673f
commit 265735db9d
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9 changed files with 76 additions and 44 deletions
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11
synapse/streams/config.py
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@ -16,6 +16,7 @@ from typing import Optional
import attr
from synapse.api.constants import Direction
from synapse.api.errors import SynapseError
from synapse.http.servlet import parse_integer, parse_string
from synapse.http.site import SynapseRequest
@ -34,7 +35,7 @@ class PaginationConfig:
from_token: Optional[StreamToken]
to_token: Optional[StreamToken]
direction: str
direction: Direction
limit: int
@classmethod
@ -45,9 +46,13 @@ class PaginationConfig:
default_limit: int,
default_dir: str = "f",
) -> "PaginationConfig":
direction = parse_string(
request, "dir", default=default_dir, allowed_values=["f", "b"]
direction_str = parse_string(
request,
"dir",
default=default_dir,
allowed_values=[Direction.FORWARDS.value, Direction.BACKWARDS.value],
)
direction = Direction(direction_str)
from_tok_str = parse_string(request, "from")
to_tok_str = parse_string(request, "to")