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Implement history visibility on /messages, /context, /sync (#2511)

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* Add possibility to set history_visibility and user AccountType

* Add new DB queries

* Add actual history_visibility changes for /messages

* Add passing tests

* Extract check function

* Cleanup

* Cleanup

* Fix build on 386

* Move ApplyHistoryVisibilityFilter to internal

* Move queries to topology table

* Add filtering to /sync and /context
Some cleanup

* Add passing tests; Remove failing tests :(

* Re-add passing tests

* Move filtering to own function to avoid duplication

* Re-add passing test

* Use newly added GMSL HistoryVisibility

* Update gomatrixserverlib

* Set the visibility when creating events

* Default to shared history visibility

* Remove unused query

* Update history visibility checks to use gmsl
Update tests

* Remove unused statement

* Update migrations to set "correct" history visibility

* Add method to fetch the membership at a given event

* Tweaks and logging

* Use actual internal rsAPI, default to shared visibility in tests

* Revert "Move queries to topology table"

This reverts commit 4f0d41be9c194a46379796435ce73e79203edbd6.

* Remove noise/unneeded code

* More cleanup

* Try to optimize database requests

* Fix imports

* PR peview fixes/changes

* Move setting history visibility to own migration, be more restrictive

* Fix unit tests

* Lint

* Fix missing entries

* Tweaks for incremental syncs

* Adapt generic changes

Co-authored-by: Neil Alexander <neilalexander@users.noreply.github.com>
Co-authored-by: kegsay <kegan@matrix.org>
This commit is contained in:
Till 2022-08-11 18:23:35 +02:00 • committed by GitHub
parent 371336c6b5
commit 05cafbd197
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31 changed files with 1043 additions and 224 deletions
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28
syncapi/storage/postgres/memberships_table.go
View file

@ -66,10 +66,14 @@ const selectMembershipCountSQL = "" +
const selectHeroesSQL = "" +
"SELECT DISTINCT user_id FROM syncapi_memberships WHERE room_id = $1 AND user_id != $2 AND membership = ANY($3) LIMIT 5"
const selectMembershipBeforeSQL = "" +
"SELECT membership, topological_pos FROM syncapi_memberships WHERE room_id = $1 and user_id = $2 AND topological_pos <= $3 ORDER BY topological_pos DESC LIMIT 1"
type membershipsStatements struct {
upsertMembershipStmt *sql.Stmt
selectMembershipCountStmt *sql.Stmt
selectHeroesStmt *sql.Stmt
upsertMembershipStmt *sql.Stmt
selectMembershipCountStmt *sql.Stmt
selectHeroesStmt *sql.Stmt
selectMembershipForUserStmt *sql.Stmt
}
func NewPostgresMembershipsTable(db *sql.DB) (tables.Memberships, error) {
@ -82,6 +86,7 @@ func NewPostgresMembershipsTable(db *sql.DB) (tables.Memberships, error) {
{&s.upsertMembershipStmt, upsertMembershipSQL},
{&s.selectMembershipCountStmt, selectMembershipCountSQL},
{&s.selectHeroesStmt, selectHeroesSQL},
{&s.selectMembershipForUserStmt, selectMembershipBeforeSQL},
}.Prepare(db)
}
@ -132,3 +137,20 @@ func (s *membershipsStatements) SelectHeroes(
}
return heroes, rows.Err()
}
// SelectMembershipForUser returns the membership of the user before and including the given position. If no membership can be found
// returns "leave", the topological position and no error. If an error occurs, other than sql.ErrNoRows, returns that and an empty
// string as the membership.
func (s *membershipsStatements) SelectMembershipForUser(
ctx context.Context, txn *sql.Tx, roomID, userID string, pos int64,
) (membership string, topologyPos int, err error) {
stmt := sqlutil.TxStmt(txn, s.selectMembershipForUserStmt)
err = stmt.QueryRowContext(ctx, roomID, userID, pos).Scan(&membership, &topologyPos)
if err != nil {
if err == sql.ErrNoRows {
return "leave", 0, nil
}
return "", 0, err
}
return membership, topologyPos, nil
}