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Handle state with input event as new events (#1415)

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* 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>
This commit is contained in:
Neil Alexander 2020-09-15 11:17:46 +01:00 • committed by GitHub
parent 8dc9506210
commit 965f068d1a
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GPG key ID: 4AEE18F83AFDEB23
23 changed files with 616 additions and 30 deletions
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17
syncapi/storage/sqlite3/current_room_state_table.go
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@ -51,12 +51,15 @@ CREATE UNIQUE INDEX IF NOT EXISTS syncapi_event_id_idx ON syncapi_current_room_s
const upsertRoomStateSQL = "" +
"INSERT INTO syncapi_current_room_state (room_id, event_id, type, sender, contains_url, state_key, headered_event_json, membership, added_at)" +
" VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9)" +
" ON CONFLICT (event_id, room_id, type, sender, contains_url)" +
" ON CONFLICT (room_id, type, state_key)" +
" DO UPDATE SET event_id = $2, sender=$4, contains_url=$5, headered_event_json = $7, membership = $8, added_at = $9"
const deleteRoomStateByEventIDSQL = "" +
"DELETE FROM syncapi_current_room_state WHERE event_id = $1"
const DeleteRoomStateForRoomSQL = "" +
"DELETE FROM syncapi_current_room_state WHERE event_id = $1"
const selectRoomIDsWithMembershipSQL = "" +
"SELECT DISTINCT room_id FROM syncapi_current_room_state WHERE type = 'm.room.member' AND state_key = $1 AND membership = $2"
@ -88,6 +91,7 @@ type currentRoomStateStatements struct {
streamIDStatements *streamIDStatements
upsertRoomStateStmt *sql.Stmt
deleteRoomStateByEventIDStmt *sql.Stmt
DeleteRoomStateForRoomStmt *sql.Stmt
selectRoomIDsWithMembershipStmt *sql.Stmt
selectCurrentStateStmt *sql.Stmt
selectJoinedUsersStmt *sql.Stmt
@ -109,6 +113,9 @@ func NewSqliteCurrentRoomStateTable(db *sql.DB, streamID *streamIDStatements) (t
if s.deleteRoomStateByEventIDStmt, err = db.Prepare(deleteRoomStateByEventIDSQL); err != nil {
return nil, err
}
if s.DeleteRoomStateForRoomStmt, err = db.Prepare(DeleteRoomStateForRoomSQL); err != nil {
return nil, err
}
if s.selectRoomIDsWithMembershipStmt, err = db.Prepare(selectRoomIDsWithMembershipSQL); err != nil {
return nil, err
}
@ -203,6 +210,14 @@ func (s *currentRoomStateStatements) DeleteRoomStateByEventID(
return err
}
func (s *currentRoomStateStatements) DeleteRoomStateForRoom(
ctx context.Context, txn *sql.Tx, roomID string,
) error {
stmt := sqlutil.TxStmt(txn, s.DeleteRoomStateForRoomStmt)
_, err := stmt.ExecContext(ctx, roomID)
return err
}
func (s *currentRoomStateStatements) UpsertRoomState(
ctx context.Context, txn *sql.Tx,
event gomatrixserverlib.HeaderedEvent, membership *string, addedAt types.StreamPosition,