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Start updating the sync API to match the specification

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This commit is contained in:
Mark Haines 2015-10-01 17:53:07 +01:00
parent 301141515a
commit f31014b18f
3 changed files with 54 additions and 90 deletions
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64
synapse/handlers/sync.py
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@ -28,21 +28,26 @@ logger = logging.getLogger(__name__)
SyncConfig = collections.namedtuple("SyncConfig", [
"user",
"limit",
"gap",
"sort",
"backfill",
"filter",
])
class TimelineBatch(collections.namedtuple("TimelineBatch", [
"prev_batch",
"events",
"limited",
])):
__slots__ = []
def __nonzero__(self):
"""Make the result appear empty if there are no updates. This is used
to tell if room needs to be part of the sync result.
"""
return bool(self.events)
class RoomSyncResult(collections.namedtuple("RoomSyncResult", [
"room_id",
"limited",
"published",
"events",
"timeline",
"state",
"prev_batch",
"ephemeral",
])):
__slots__ = []
@ -51,13 +56,12 @@ class RoomSyncResult(collections.namedtuple("RoomSyncResult", [
"""Make the result appear empty if there are no updates. This is used
to tell if room needs to be part of the sync result.
"""
return bool(self.events or self.state or self.ephemeral)
return bool(self.timeline or self.state or self.ephemeral)
class SyncResult(collections.namedtuple("SyncResult", [
"next_batch", # Token for the next sync
"private_user_data", # List of private events for the user.
"public_user_data", # List of public events for all users.
"presence", # List of presence events for the user.
"rooms", # RoomSyncResult for each room.
])):
__slots__ = []
@ -133,12 +137,6 @@ class SyncHandler(BaseHandler):
Returns:
A Deferred SyncResult.
"""
if sync_config.sort == "timeline,desc":
# TODO(mjark): Handle going through events in reverse order?.
# What does "most recent events" mean when applying the limits mean
# in this case?
raise NotImplementedError()
now_token = yield self.event_sources.get_current_token()
presence_stream = self.event_sources.sources["presence"]
@ -155,20 +153,15 @@ class SyncHandler(BaseHandler):
membership_list=[Membership.INVITE, Membership.JOIN]
)
# TODO (mjark): Does public mean "published"?
published_rooms = yield self.store.get_rooms(is_public=True)
published_room_ids = set(r["room_id"] for r in published_rooms)
rooms = []
for event in room_list:
room_sync = yield self.initial_sync_for_room(
event.room_id, sync_config, now_token, published_room_ids
event.room_id, sync_config, now_token,
)
rooms.append(room_sync)
defer.returnValue(SyncResult(
public_user_data=presence,
private_user_data=[],
presence=presence,
rooms=rooms,
next_batch=now_token,
))
@ -192,7 +185,6 @@ class SyncHandler(BaseHandler):
defer.returnValue(RoomSyncResult(
room_id=room_id,
published=room_id in published_room_ids,
events=recents,
prev_batch=prev_batch_token,
state=current_state_events,
@ -219,7 +211,6 @@ class SyncHandler(BaseHandler):
presence, presence_key = yield presence_source.get_new_events_for_user(
user=sync_config.user,
from_key=since_token.presence_key,
limit=sync_config.limit,
)
now_token = now_token.copy_and_replace("presence_key", presence_key)
@ -227,7 +218,6 @@ class SyncHandler(BaseHandler):
typing, typing_key = yield typing_source.get_new_events_for_user(
user=sync_config.user,
from_key=since_token.typing_key,
limit=sync_config.limit,
)
now_token = now_token.copy_and_replace("typing_key", typing_key)
@ -252,16 +242,18 @@ class SyncHandler(BaseHandler):
published_rooms = yield self.store.get_rooms(is_public=True)
published_room_ids = set(r["room_id"] for r in published_rooms)
timeline_limit = sync_config.filter.timeline_limit()
room_events, _ = yield self.store.get_room_events_stream(
sync_config.user.to_string(),
from_key=since_token.room_key,
to_key=now_token.room_key,
room_id=None,
limit=sync_config.limit + 1,
limit=timeline_limit + 1,
)
rooms = []
if len(room_events) <= sync_config.limit:
if len(room_events) <= timeline_limit:
# There is no gap in any of the rooms. Therefore we can just
# partition the new events by room and return them.
events_by_room_id = {}
@ -365,8 +357,9 @@ class SyncHandler(BaseHandler):
max_repeat = 3 # Only try a few times per room, otherwise
room_key = now_token.room_key
end_key = room_key
timeline_limit = sync_config.filter.timeline_limit()
while limited and len(recents) < sync_config.limit and max_repeat:
while limited and len(recents) < timeline_limit and max_repeat:
events, keys = yield self.store.get_recent_events_for_room(
room_id,
limit=load_limit + 1,
@ -393,7 +386,9 @@ class SyncHandler(BaseHandler):
"room_key", room_key
)
defer.returnValue((recents, prev_batch_token, limited))
defer.returnValue(TimelineBatch(
events=recents, prev_batch=prev_batch_token, limited=limited
))
@defer.inlineCallbacks
def incremental_sync_with_gap_for_room(self, room_id, sync_config,
@ -408,7 +403,7 @@ class SyncHandler(BaseHandler):
# TODO(mjark): Check for redactions we might have missed.
recents, prev_batch_token, limited = yield self.load_filtered_recents(
batch = yield self.load_filtered_recents(
room_id, sync_config, now_token, since_token,
)
@ -437,11 +432,8 @@ class SyncHandler(BaseHandler):
room_sync = RoomSyncResult(
room_id=room_id,
published=room_id in published_room_ids,
events=recents,
prev_batch=prev_batch_token,
timeline=batch,
state=state_events_delta,
limited=limited,
ephemeral=typing_by_room.get(room_id, [])
)