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Limit JoinedUsersSetInRooms to interested users (#2234)

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* Limit database work in `JoinedUsersSetInRooms` to changed user IDs only

* Comments

* Fix variadic params for SQLite, update comments
This commit is contained in:
Neil Alexander 2022-03-01 13:01:38 +00:00 • committed by GitHub
parent 58bf91a585
commit 530f05885d
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8 changed files with 49 additions and 31 deletions
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20
roomserver/storage/shared/storage.go
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@ -1104,13 +1104,23 @@ func (d *Database) GetBulkStateContent(ctx context.Context, roomIDs []string, tu
return result, nil
}
// JoinedUsersSetInRooms returns all joined users in the rooms given, along with the count of how many times they appear.
func (d *Database) JoinedUsersSetInRooms(ctx context.Context, roomIDs []string) (map[string]int, error) {
// JoinedUsersSetInRooms returns a map of how many times the given users appear in the specified rooms.
func (d *Database) JoinedUsersSetInRooms(ctx context.Context, roomIDs, userIDs []string) (map[string]int, error) {
roomNIDs, err := d.RoomsTable.BulkSelectRoomNIDs(ctx, nil, roomIDs)
if err != nil {
return nil, err
}
userNIDToCount, err := d.MembershipTable.SelectJoinedUsersSetForRooms(ctx, nil, roomNIDs)
userNIDsMap, err := d.EventStateKeysTable.BulkSelectEventStateKeyNID(ctx, nil, userIDs)
if err != nil {
return nil, err
}
userNIDs := make([]types.EventStateKeyNID, 0, len(userNIDsMap))
nidToUserID := make(map[types.EventStateKeyNID]string, len(userNIDsMap))
for id, nid := range userNIDsMap {
userNIDs = append(userNIDs, nid)
nidToUserID[nid] = id
}
userNIDToCount, err := d.MembershipTable.SelectJoinedUsersSetForRooms(ctx, nil, roomNIDs, userNIDs)
if err != nil {
return nil, err
}
@ -1120,10 +1130,6 @@ func (d *Database) JoinedUsersSetInRooms(ctx context.Context, roomIDs []string)
stateKeyNIDs[i] = nid
i++
}
nidToUserID, err := d.EventStateKeysTable.BulkSelectEventStateKey(ctx, nil, stateKeyNIDs)
if err != nil {
return nil, err
}
if len(nidToUserID) != len(userNIDToCount) {
logrus.Warnf("SelectJoinedUsersSetForRooms found %d users but BulkSelectEventStateKey only returned state key NIDs for %d of them", len(userNIDToCount), len(nidToUserID))
}