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Rename to PurgeRoom

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This commit is contained in:
Neil Alexander 2020-09-11 14:17:33 +01:00
parent ae998c17e2
commit a571989495
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GPG key ID: A02A2019A2BB0944
3 changed files with 18 additions and 39 deletions
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11
syncapi/consumers/roomserver.go
View file

@ -145,15 +145,8 @@ func (s *OutputRoomEventConsumer) onNewRoomEvent(
}
if msg.RewritesState {
err = s.db.RewriteState(
ctx,
&ev,
addsStateEvents,
msg.AddsStateEventIDs,
msg.TransactionID,
)
if err != nil {
return fmt.Errorf("s.db.RewriteState: %w", err)
if err = s.db.PurgeRoom(ctx, ev.RoomID()); err != nil {
return fmt.Errorf("s.db.PurgeRoom: %w", err)
}
}

6
syncapi/storage/interface.go
View file

@ -41,9 +41,9 @@ 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)
// RewriteState rewrites a current room state event. If the state event is a create event then all existing
// state in the room will be deleted before rewriting the event.
RewriteState(ctx context.Context, ev *gomatrixserverlib.HeaderedEvent, addStateEvents []gomatrixserverlib.HeaderedEvent, addStateEventIDs []string, transactionID *api.TransactionID) 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

40
syncapi/storage/shared/syncserver.go
View file

@ -241,39 +241,25 @@ func (d *Database) handleBackwardExtremities(ctx context.Context, txn *sql.Tx, e
return nil
}
func (d *Database) RewriteState(
ctx context.Context,
ev *gomatrixserverlib.HeaderedEvent,
addStateEvents []gomatrixserverlib.HeaderedEvent,
addStateEventIDs []string,
transactionID *api.TransactionID,
func (d *Database) PurgeRoom(
ctx context.Context, roomID string,
) error {
return d.Writer.Do(d.DB, nil, func(txn *sql.Tx) error {
// If the event is a create event then we'll delete all of the existing
// data for the room. The only reason that a create event would be replayed
// to us in this way is if we're about to receive the entire room state.
if ev.Type() == gomatrixserverlib.MRoomCreate {
if err := d.CurrentRoomState.DeleteRoomStateForRoom(ctx, txn, ev.RoomID()); err != nil {
return fmt.Errorf("d.CurrentRoomState.DeleteRoomStateForRoom: %w", err)
}
if err := d.OutputEvents.DeleteEventsForRoom(ctx, txn, ev.RoomID()); err != nil {
return fmt.Errorf("d.Events.DeleteEventsForRoom: %w", err)
}
if err := d.Topology.DeleteTopologyForRoom(ctx, txn, ev.RoomID()); err != nil {
return fmt.Errorf("d.Topology.DeleteTopologyForRoom: %w", err)
}
if err := d.BackwardExtremities.DeleteBackwardExtremitiesForRoom(ctx, txn, ev.RoomID()); err != nil {
return fmt.Errorf("d.BackwardExtremities.DeleteBackwardExtremitiesForRoom: %w", err)
}
if err := d.CurrentRoomState.DeleteRoomStateForRoom(ctx, txn, roomID); err != nil {
return fmt.Errorf("d.CurrentRoomState.DeleteRoomStateForRoom: %w", err)
}
if err := d.OutputEvents.DeleteEventsForRoom(ctx, txn, roomID); err != nil {
return fmt.Errorf("d.Events.DeleteEventsForRoom: %w", err)
}
if err := d.Topology.DeleteTopologyForRoom(ctx, txn, roomID); err != nil {
return fmt.Errorf("d.Topology.DeleteTopologyForRoom: %w", err)
}
if err := d.BackwardExtremities.DeleteBackwardExtremitiesForRoom(ctx, txn, roomID); err != nil {
return fmt.Errorf("d.BackwardExtremities.DeleteBackwardExtremitiesForRoom: %w", err)
}
/*
if err := d.handleBackwardExtremities(ctx, txn, ev); err != nil {
return fmt.Errorf("d.handleBackwardExtremities: %w", err)
}
*/
// TODO: is there something better here that we can do instead of giving stream position 0?
//return d.updateRoomState(ctx, txn, []string{}, addStateEvents, types.StreamPosition(0))
return nil
})
}