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authorDavid Robertson <davidr@element.io>2021-12-07 17:42:11 +0000
committerDavid Robertson <davidr@element.io>2021-12-07 18:26:35 +0000
commita5deabbaae534449ef0570bdba135dda98c04959 (patch)
tree58d0540df6f87b036dae4b66d6479162a710ee3c
parentAlways call `old_mem_ev`---exactly once. (diff)
downloadsynapse-a5deabbaae534449ef0570bdba135dda98c04959.tar.xz
Remove check on `events[-1].membership`
I claim this check is redundant, because said membership cannot be join.
If not, we'd have `continue`d above because `room_id` would be in
`sync_result_builder.joined_room_ids`.
-rw-r--r--synapse/handlers/sync.py12
1 files changed, 4 insertions, 8 deletions
diff --git a/synapse/handlers/sync.py b/synapse/handlers/sync.py
index fc2562cd7b..967f88c52f 100644
--- a/synapse/handlers/sync.py
+++ b/synapse/handlers/sync.py
@@ -1878,15 +1878,11 @@ class SyncHandler:
             # 2. Should we add this to `newly_left_rooms`?
             # Check if we have left the room. This can either be because we were
             # joined before *or* that we since joined and then left.
-            if events[-1].membership != Membership.JOIN:
-                if has_join:
+            if has_join:
+                newly_left_rooms.append(room_id)
+            else:
+                if old_mem_ev is not None and old_mem_ev.membership == Membership.JOIN:
                     newly_left_rooms.append(room_id)
-                else:
-                    if (
-                        old_mem_ev is not None
-                        and old_mem_ev.membership == Membership.JOIN
-                    ):
-                        newly_left_rooms.append(room_id)
 
             # 3. Should we add this room to `invited`?
             # Only bother if we're still currently invited