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authorNeil Alexander <neilalexander@users.noreply.github.com>2020-09-15 11:17:46 +0100
committerGitHub <noreply@github.com>2020-09-15 11:17:46 +0100
commit965f068d1a6298b2ec733b0df983773a6ec8b622 (patch)
treee7a5cda3dba38114189eb857111baaa07bbe4854 /syncapi/storage/interface.go
parent8dc95062101b3906ffb83604e2abca02d9a3dd03 (diff)
Handle state with input event as new events (#1415)
* SendEventWithState events as new * Use cumulative state IDs for final event * Error wrapping in calculateAndSetState * Handle overwriting same event type and state key * Hacky way to spot historical events * Don't exclude from sync * Don't generate output events when rewriting forward extremities * Update output event check * Historical output events * Define output room event type * Notify key changes on state * Don't send our membership event twice * Deduplicate state entries * Tweaks * Remove unnecessary nolint * Fix current state upsert in sync API * Send auth events as outliers, state events as rewrite * Sync API don't consume state events * Process events actually * Improve outlier check * Fix local room check * Remove extra room check, it seems to break the whole damn world * Fix federated join check * Fix nil pointer exception * Better comments on DeduplicateStateEntries * Reflow forced federated joins * Don't force federated join for possibly even local invites * Comment SendEventWithState better * Rewrite room state in sync API storage * Add TODO * Clean up all room data when receiving create event * Don't generate output events for rewrites, but instead notify that state is rewritten on the final new event * Rename to PurgeRoom * Exclude backfilled messages from /sync * Split out rewriting state from updating state from state res Co-authored-by: Kegan Dougal <kegan@matrix.org>
Diffstat (limited to 'syncapi/storage/interface.go')
-rw-r--r--syncapi/storage/interface.go3
1 files changed, 3 insertions, 0 deletions
diff --git a/syncapi/storage/interface.go b/syncapi/storage/interface.go
index 807c7f5e..ce7f1c15 100644
--- a/syncapi/storage/interface.go
+++ b/syncapi/storage/interface.go
@@ -43,6 +43,9 @@ type Database interface {
// Returns an error if there was a problem inserting this event.
WriteEvent(ctx context.Context, ev *gomatrixserverlib.HeaderedEvent, addStateEvents []gomatrixserverlib.HeaderedEvent,
addStateEventIDs []string, removeStateEventIDs []string, transactionID *api.TransactionID, excludeFromSync bool) (types.StreamPosition, error)
+ // PurgeRoom completely purges room state from the sync API. This is done when
+ // receiving an output event that completely resets the state.
+ PurgeRoom(ctx context.Context, roomID string) error
// GetStateEvent returns the Matrix state event of a given type for a given room with a given state key
// If no event could be found, returns nil
// If there was an issue during the retrieval, returns an error