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Add heroes to the room summary (#2373)

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* Implement room summary heroes

* Add passing tests

* Move MembershipCount to addRoomSummary

* Add comments, close Statement
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Till 2022-04-26 10:53:17 +02:00 committed by GitHub
parent feac9db43f
commit e8be2b234f
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8 changed files with 131 additions and 26 deletions
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1
syncapi/storage/interface.go
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@ -39,6 +39,7 @@ type Database interface {
GetStateDeltas(ctx context.Context, device *userapi.Device, r types.Range, userID string, stateFilter *gomatrixserverlib.StateFilter) ([]types.StateDelta, []string, error)
RoomIDsWithMembership(ctx context.Context, userID string, membership string) ([]string, error)
MembershipCount(ctx context.Context, roomID, membership string, pos types.StreamPosition) (int, error)
GetRoomHeroes(ctx context.Context, roomID, userID string, memberships []string) ([]string, error)
RecentEvents(ctx context.Context, roomID string, r types.Range, eventFilter *gomatrixserverlib.RoomEventFilter, chronologicalOrder bool, onlySyncEvents bool) ([]types.StreamEvent, bool, error)

38
syncapi/storage/postgres/memberships_table.go
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@ -19,6 +19,8 @@ import (
"database/sql"
"fmt"
"github.com/lib/pq"
"github.com/matrix-org/dendrite/internal"
"github.com/matrix-org/dendrite/internal/sqlutil"
"github.com/matrix-org/dendrite/syncapi/storage/tables"
"github.com/matrix-org/dendrite/syncapi/types"
@ -61,9 +63,13 @@ const selectMembershipCountSQL = "" +
" SELECT DISTINCT ON (room_id, user_id) room_id, user_id, membership FROM syncapi_memberships WHERE room_id = $1 AND stream_pos <= $2 ORDER BY room_id, user_id, stream_pos DESC" +
") t WHERE t.membership = $3"
const selectHeroesSQL = "" +
"SELECT user_id FROM syncapi_memberships WHERE room_id = $1 AND user_id != $2 AND membership = ANY($3) LIMIT 5"
type membershipsStatements struct {
upsertMembershipStmt *sql.Stmt
selectMembershipCountStmt *sql.Stmt
selectHeroesStmt *sql.Stmt
}
func NewPostgresMembershipsTable(db *sql.DB) (tables.Memberships, error) {
@ -72,13 +78,11 @@ func NewPostgresMembershipsTable(db *sql.DB) (tables.Memberships, error) {
if err != nil {
return nil, err
}
if s.upsertMembershipStmt, err = db.Prepare(upsertMembershipSQL); err != nil {
return nil, err
}
if s.selectMembershipCountStmt, err = db.Prepare(selectMembershipCountSQL); err != nil {
return nil, err
}
return s, nil
return s, sqlutil.StatementList{
{&s.upsertMembershipStmt, upsertMembershipSQL},
{&s.selectMembershipCountStmt, selectMembershipCountSQL},
{&s.selectHeroesStmt, selectHeroesSQL},
}.Prepare(db)
}
func (s *membershipsStatements) UpsertMembership(
@ -108,3 +112,23 @@ func (s *membershipsStatements) SelectMembershipCount(
err = stmt.QueryRowContext(ctx, roomID, pos, membership).Scan(&count)
return
}
func (s *membershipsStatements) SelectHeroes(
ctx context.Context, txn *sql.Tx, roomID, userID string, memberships []string,
) (heroes []string, err error) {
stmt := sqlutil.TxStmt(txn, s.selectHeroesStmt)
var rows *sql.Rows
rows, err = stmt.QueryContext(ctx, roomID, userID, pq.StringArray(memberships))
if err != nil {
return
}
defer internal.CloseAndLogIfError(ctx, rows, "SelectHeroes: rows.close() failed")
var hero string
for rows.Next() {
if err = rows.Scan(&hero); err != nil {
return
}
heroes = append(heroes, hero)
}
return heroes, rows.Err()
}

4
syncapi/storage/shared/syncserver.go
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@ -124,6 +124,10 @@ func (d *Database) MembershipCount(ctx context.Context, roomID, membership strin
return d.Memberships.SelectMembershipCount(ctx, nil, roomID, membership, pos)
}
func (d *Database) GetRoomHeroes(ctx context.Context, roomID, userID string, memberships []string) ([]string, error) {
return d.Memberships.SelectHeroes(ctx, nil, roomID, userID, memberships)
}
func (d *Database) RecentEvents(ctx context.Context, roomID string, r types.Range, eventFilter *gomatrixserverlib.RoomEventFilter, chronologicalOrder bool, onlySyncEvents bool) ([]types.StreamEvent, bool, error) {
return d.OutputEvents.SelectRecentEvents(ctx, nil, roomID, r, eventFilter, chronologicalOrder, onlySyncEvents)
}

51
syncapi/storage/sqlite3/memberships_table.go
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@ -18,7 +18,9 @@ import (
"context"
"database/sql"
"fmt"
"strings"
"github.com/matrix-org/dendrite/internal"
"github.com/matrix-org/dendrite/internal/sqlutil"
"github.com/matrix-org/dendrite/syncapi/storage/tables"
"github.com/matrix-org/dendrite/syncapi/types"
@ -61,10 +63,14 @@ const selectMembershipCountSQL = "" +
" SELECT * FROM syncapi_memberships WHERE room_id = $1 AND stream_pos <= $2 GROUP BY user_id HAVING(max(stream_pos))" +
") t WHERE t.membership = $3"
const selectHeroesSQL = "" +
"SELECT DISTINCT user_id FROM syncapi_memberships WHERE room_id = $1 AND user_id != $2 AND membership IN ($3) LIMIT 5"
type membershipsStatements struct {
db *sql.DB
upsertMembershipStmt *sql.Stmt
selectMembershipCountStmt *sql.Stmt
//selectHeroesStmt *sql.Stmt - prepared at runtime due to variadic
}
func NewSqliteMembershipsTable(db *sql.DB) (tables.Memberships, error) {
@ -75,13 +81,11 @@ func NewSqliteMembershipsTable(db *sql.DB) (tables.Memberships, error) {
if err != nil {
return nil, err
}
if s.upsertMembershipStmt, err = db.Prepare(upsertMembershipSQL); err != nil {
return nil, err
}
if s.selectMembershipCountStmt, err = db.Prepare(selectMembershipCountSQL); err != nil {
return nil, err
}
return s, nil
return s, sqlutil.StatementList{
{&s.upsertMembershipStmt, upsertMembershipSQL},
{&s.selectMembershipCountStmt, selectMembershipCountSQL},
// {&s.selectHeroesStmt, selectHeroesSQL}, - prepared at runtime due to variadic
}.Prepare(db)
}
func (s *membershipsStatements) UpsertMembership(
@ -111,3 +115,36 @@ func (s *membershipsStatements) SelectMembershipCount(
err = stmt.QueryRowContext(ctx, roomID, pos, membership).Scan(&count)
return
}
func (s *membershipsStatements) SelectHeroes(
ctx context.Context, txn *sql.Tx, roomID, userID string, memberships []string,
) (heroes []string, err error) {
stmtSQL := strings.Replace(selectHeroesSQL, "($3)", sqlutil.QueryVariadicOffset(len(memberships), 2), 1)
stmt, err := s.db.PrepareContext(ctx, stmtSQL)
if err != nil {
return
}
defer internal.CloseAndLogIfError(ctx, stmt, "SelectHeroes: stmt.close() failed")
params := []interface{}{
roomID, userID,
}
for _, membership := range memberships {
params = append(params, membership)
}
stmt = sqlutil.TxStmt(txn, stmt)
var rows *sql.Rows
rows, err = stmt.QueryContext(ctx, params...)
if err != nil {
return
}
defer internal.CloseAndLogIfError(ctx, rows, "SelectHeroes: rows.close() failed")
var hero string
for rows.Next() {
if err = rows.Scan(&hero); err != nil {
return
}
heroes = append(heroes, hero)
}
return heroes, rows.Err()
}

1
syncapi/storage/tables/interface.go
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@ -170,6 +170,7 @@ type Receipts interface {
type Memberships interface {
UpsertMembership(ctx context.Context, txn *sql.Tx, event *gomatrixserverlib.HeaderedEvent, streamPos, topologicalPos types.StreamPosition) error
SelectMembershipCount(ctx context.Context, txn *sql.Tx, roomID, membership string, pos types.StreamPosition) (count int, err error)
SelectHeroes(ctx context.Context, txn *sql.Tx, roomID, userID string, memberships []string) (heroes []string, err error)
}
type NotificationData interface {

56
syncapi/streams/stream_pdu.go
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@ -4,13 +4,16 @@ import (
"context"
"database/sql"
"fmt"
"sort"
"sync"
"time"
"github.com/matrix-org/dendrite/internal/caching"
roomserverAPI "github.com/matrix-org/dendrite/roomserver/api"
"github.com/matrix-org/dendrite/syncapi/types"
userapi "github.com/matrix-org/dendrite/userapi/api"
"github.com/matrix-org/gomatrixserverlib"
"github.com/tidwall/gjson"
"go.uber.org/atomic"
)
@ -30,6 +33,7 @@ type PDUStreamProvider struct {
workers atomic.Int32
// userID+deviceID -> lazy loading cache
lazyLoadCache *caching.LazyLoadCache
rsAPI roomserverAPI.RoomserverInternalAPI
}
func (p *PDUStreamProvider) worker() {
@ -290,16 +294,11 @@ func (p *PDUStreamProvider) addRoomDeltaToResponse(
}
}
// Work out how many members are in the room.
joinedCount, _ := p.DB.MembershipCount(ctx, delta.RoomID, gomatrixserverlib.Join, latestPosition)
invitedCount, _ := p.DB.MembershipCount(ctx, delta.RoomID, gomatrixserverlib.Invite, latestPosition)
switch delta.Membership {
case gomatrixserverlib.Join:
jr := types.NewJoinResponse()
if hasMembershipChange {
jr.Summary.JoinedMemberCount = &joinedCount
jr.Summary.InvitedMemberCount = &invitedCount
p.addRoomSummary(ctx, jr, delta.RoomID, device.UserID, latestPosition)
}
jr.Timeline.PrevBatch = &prevBatch
jr.Timeline.Events = gomatrixserverlib.HeaderedToClientEvents(recentEvents, gomatrixserverlib.FormatSync)
@ -332,6 +331,45 @@ func (p *PDUStreamProvider) addRoomDeltaToResponse(
return latestPosition, nil
}
func (p *PDUStreamProvider) addRoomSummary(ctx context.Context, jr *types.JoinResponse, roomID, userID string, latestPosition types.StreamPosition) {
// Work out how many members are in the room.
joinedCount, _ := p.DB.MembershipCount(ctx, roomID, gomatrixserverlib.Join, latestPosition)
invitedCount, _ := p.DB.MembershipCount(ctx, roomID, gomatrixserverlib.Invite, latestPosition)
jr.Summary.JoinedMemberCount = &joinedCount
jr.Summary.InvitedMemberCount = &invitedCount
fetchStates := []gomatrixserverlib.StateKeyTuple{
{EventType: gomatrixserverlib.MRoomName},
{EventType: gomatrixserverlib.MRoomCanonicalAlias},
}
// Check if the room has a name or a canonical alias
latestState := &roomserverAPI.QueryLatestEventsAndStateResponse{}
err := p.rsAPI.QueryLatestEventsAndState(ctx, &roomserverAPI.QueryLatestEventsAndStateRequest{StateToFetch: fetchStates, RoomID: roomID}, latestState)
if err != nil {
return
}
// Check if the room has a name or canonical alias, if so, return.
for _, ev := range latestState.StateEvents {
switch ev.Type() {
case gomatrixserverlib.MRoomName:
if gjson.GetBytes(ev.Content(), "name").Str != "" {
return
}
case gomatrixserverlib.MRoomCanonicalAlias:
if gjson.GetBytes(ev.Content(), "alias").Str != "" {
return
}
}
}
heroes, err := p.DB.GetRoomHeroes(ctx, roomID, userID, []string{"join", "invite"})
if err != nil {
return
}
sort.Strings(heroes)
jr.Summary.Heroes = heroes
}
func (p *PDUStreamProvider) getJoinResponseForCompleteSync(
ctx context.Context,
roomID string,
@ -416,9 +454,7 @@ func (p *PDUStreamProvider) getJoinResponseForCompleteSync(
prevBatch.Decrement()
}
// Work out how many members are in the room.
joinedCount, _ := p.DB.MembershipCount(ctx, roomID, gomatrixserverlib.Join, r.From)
invitedCount, _ := p.DB.MembershipCount(ctx, roomID, gomatrixserverlib.Invite, r.From)
p.addRoomSummary(ctx, jr, roomID, device.UserID, r.From)
// We don't include a device here as we don't need to send down
// transaction IDs for complete syncs, but we do it anyway because Sytest demands it for:
@ -439,8 +475,6 @@ func (p *PDUStreamProvider) getJoinResponseForCompleteSync(
}
}
jr.Summary.JoinedMemberCount = &joinedCount
jr.Summary.InvitedMemberCount = &invitedCount
jr.Timeline.PrevBatch = prevBatch
jr.Timeline.Events = gomatrixserverlib.HeaderedToClientEvents(recentEvents, gomatrixserverlib.FormatSync)
jr.Timeline.Limited = limited

1
syncapi/streams/streams.go
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@ -33,6 +33,7 @@ func NewSyncStreamProviders(
PDUStreamProvider: &PDUStreamProvider{
StreamProvider: StreamProvider{DB: d},
lazyLoadCache: lazyLoadCache,
rsAPI: rsAPI,
},
TypingStreamProvider: &TypingStreamProvider{
StreamProvider: StreamProvider{DB: d},

5
sytest-whitelist
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@ -714,4 +714,7 @@ Presence can be set from sync
/state_ids returns M_NOT_FOUND for a rejected message event
/state returns M_NOT_FOUND for a rejected state event
/state_ids returns M_NOT_FOUND for a rejected state event
PUT /rooms/:room_id/redact/:event_id/:txn_id is idempotent
PUT /rooms/:room_id/redact/:event_id/:txn_id is idempotent
Unnamed room comes with a name summary
Named room comes with just joined member count summary
Room summary only has 5 heroes