Filter /members, return members at given point (#2827)

Makes the tests
```
Can get rooms/{roomId}/members at a given point
Can filter rooms/{roomId}/members
```
pass, by moving `/members` and `/joined_members` to the SyncAPI.
This commit is contained in:
Till 2022-10-25 12:39:10 +02:00 committed by GitHub
parent 7506e3303e
commit 313cb3fd19
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
15 changed files with 243 additions and 72 deletions

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@ -0,0 +1,52 @@
// Copyright 2022 The Matrix.org Foundation C.I.C.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package routing
import (
"net/http"
"github.com/matrix-org/util"
"github.com/matrix-org/dendrite/clientapi/jsonerror"
"github.com/matrix-org/dendrite/roomserver/api"
userapi "github.com/matrix-org/dendrite/userapi/api"
)
type getJoinedRoomsResponse struct {
JoinedRooms []string `json:"joined_rooms"`
}
func GetJoinedRooms(
req *http.Request,
device *userapi.Device,
rsAPI api.ClientRoomserverAPI,
) util.JSONResponse {
var res api.QueryRoomsForUserResponse
err := rsAPI.QueryRoomsForUser(req.Context(), &api.QueryRoomsForUserRequest{
UserID: device.UserID,
WantMembership: "join",
}, &res)
if err != nil {
util.GetLogger(req.Context()).WithError(err).Error("QueryRoomsForUser failed")
return jsonerror.InternalServerError()
}
if res.RoomIDs == nil {
res.RoomIDs = []string{}
}
return util.JSONResponse{
Code: http.StatusOK,
JSON: getJoinedRoomsResponse{res.RoomIDs},
}
}

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@ -950,26 +950,6 @@ func Setup(
}), }),
).Methods(http.MethodPost, http.MethodOptions) ).Methods(http.MethodPost, http.MethodOptions)
v3mux.Handle("/rooms/{roomID}/members",
httputil.MakeAuthAPI("rooms_members", userAPI, func(req *http.Request, device *userapi.Device) util.JSONResponse {
vars, err := httputil.URLDecodeMapValues(mux.Vars(req))
if err != nil {
return util.ErrorResponse(err)
}
return GetMemberships(req, device, vars["roomID"], false, cfg, rsAPI)
}),
).Methods(http.MethodGet, http.MethodOptions)
v3mux.Handle("/rooms/{roomID}/joined_members",
httputil.MakeAuthAPI("rooms_members", userAPI, func(req *http.Request, device *userapi.Device) util.JSONResponse {
vars, err := httputil.URLDecodeMapValues(mux.Vars(req))
if err != nil {
return util.ErrorResponse(err)
}
return GetMemberships(req, device, vars["roomID"], true, cfg, rsAPI)
}),
).Methods(http.MethodGet, http.MethodOptions)
v3mux.Handle("/rooms/{roomID}/read_markers", v3mux.Handle("/rooms/{roomID}/read_markers",
httputil.MakeAuthAPI("rooms_read_markers", userAPI, func(req *http.Request, device *userapi.Device) util.JSONResponse { httputil.MakeAuthAPI("rooms_read_markers", userAPI, func(req *http.Request, device *userapi.Device) util.JSONResponse {
if r := rateLimits.Limit(req, device); r != nil { if r := rateLimits.Limit(req, device); r != nil {

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@ -74,7 +74,7 @@ matrix.example.com {
# Change the end of each reverse_proxy line to the correct # Change the end of each reverse_proxy line to the correct
# address for your various services. # address for your various services.
@sync_api { @sync_api {
path_regexp /_matrix/client/.*?/(sync|user/.*?/filter/?.*|keys/changes|rooms/.*?/(messages|context/.*?|relations/.*?|event/.*?))$ path_regexp /_matrix/client/.*?/(sync|user/.*?/filter/?.*|keys/changes|rooms/.*?/(messages|.*?_?members|context/.*?|relations/.*?|event/.*?))$
} }
reverse_proxy @sync_api sync_api:8073 reverse_proxy @sync_api sync_api:8073

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@ -23,8 +23,10 @@ VirtualHost {
# /_matrix/client/.*/rooms/{roomId}/relations/{eventID} # /_matrix/client/.*/rooms/{roomId}/relations/{eventID}
# /_matrix/client/.*/rooms/{roomId}/relations/{eventID}/{relType} # /_matrix/client/.*/rooms/{roomId}/relations/{eventID}/{relType}
# /_matrix/client/.*/rooms/{roomId}/relations/{eventID}/{relType}/{eventType} # /_matrix/client/.*/rooms/{roomId}/relations/{eventID}/{relType}/{eventType}
# /_matrix/client/.*/rooms/{roomId}/members
# /_matrix/client/.*/rooms/{roomId}/joined_members
# to sync_api # to sync_api
ReverseProxy = /_matrix/client/.*?/(sync|user/.*?/filter/?.*|keys/changes|rooms/.*?/(messages|context/.*?|relations/.*?|event/.*?))$ http://localhost:8073 600 ReverseProxy = /_matrix/client/.*?/(sync|user/.*?/filter/?.*|keys/changes|rooms/.*?/(messages|.*?_?members|context/.*?|relations/.*?|event/.*?))$ http://localhost:8073 600
ReverseProxy = /_matrix/client http://localhost:8071 600 ReverseProxy = /_matrix/client http://localhost:8071 600
ReverseProxy = /_matrix/federation http://localhost:8072 600 ReverseProxy = /_matrix/federation http://localhost:8072 600
ReverseProxy = /_matrix/key http://localhost:8072 600 ReverseProxy = /_matrix/key http://localhost:8072 600

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@ -33,8 +33,10 @@ server {
# /_matrix/client/.*/rooms/{roomId}/relations/{eventID} # /_matrix/client/.*/rooms/{roomId}/relations/{eventID}
# /_matrix/client/.*/rooms/{roomId}/relations/{eventID}/{relType} # /_matrix/client/.*/rooms/{roomId}/relations/{eventID}/{relType}
# /_matrix/client/.*/rooms/{roomId}/relations/{eventID}/{relType}/{eventType} # /_matrix/client/.*/rooms/{roomId}/relations/{eventID}/{relType}/{eventType}
# /_matrix/client/.*/rooms/{roomId}/members
# /_matrix/client/.*/rooms/{roomId}/joined_members
# to sync_api # to sync_api
location ~ /_matrix/client/.*?/(sync|user/.*?/filter/?.*|keys/changes|rooms/.*?/(messages|context/.*?|relations/.*?|event/.*?))$ { location ~ /_matrix/client/.*?/(sync|user/.*?/filter/?.*|keys/changes|rooms/.*?/(messages|.*?_?members|context/.*?|relations/.*?|event/.*?))$ {
proxy_pass http://sync_api:8073; proxy_pass http://sync_api:8073;
} }

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@ -18,22 +18,20 @@ import (
"encoding/json" "encoding/json"
"net/http" "net/http"
"github.com/matrix-org/dendrite/clientapi/jsonerror"
"github.com/matrix-org/dendrite/roomserver/api"
"github.com/matrix-org/dendrite/setup/config"
userapi "github.com/matrix-org/dendrite/userapi/api"
"github.com/matrix-org/gomatrixserverlib" "github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/util" "github.com/matrix-org/util"
"github.com/matrix-org/dendrite/clientapi/jsonerror"
"github.com/matrix-org/dendrite/roomserver/api"
"github.com/matrix-org/dendrite/syncapi/storage"
"github.com/matrix-org/dendrite/syncapi/types"
userapi "github.com/matrix-org/dendrite/userapi/api"
) )
type getMembershipResponse struct { type getMembershipResponse struct {
Chunk []gomatrixserverlib.ClientEvent `json:"chunk"` Chunk []gomatrixserverlib.ClientEvent `json:"chunk"`
} }
type getJoinedRoomsResponse struct {
JoinedRooms []string `json:"joined_rooms"`
}
// https://matrix.org/docs/spec/client_server/r0.6.0#get-matrix-client-r0-rooms-roomid-joined-members // https://matrix.org/docs/spec/client_server/r0.6.0#get-matrix-client-r0-rooms-roomid-joined-members
type getJoinedMembersResponse struct { type getJoinedMembersResponse struct {
Joined map[string]joinedMember `json:"joined"` Joined map[string]joinedMember `json:"joined"`
@ -51,19 +49,22 @@ type databaseJoinedMember struct {
AvatarURL string `json:"avatar_url"` AvatarURL string `json:"avatar_url"`
} }
// GetMemberships implements GET /rooms/{roomId}/members // GetMemberships implements
//
// GET /rooms/{roomId}/members
// GET /rooms/{roomId}/joined_members
func GetMemberships( func GetMemberships(
req *http.Request, device *userapi.Device, roomID string, joinedOnly bool, req *http.Request, device *userapi.Device, roomID string,
_ *config.ClientAPI, syncDB storage.Database, rsAPI api.SyncRoomserverAPI,
rsAPI api.ClientRoomserverAPI, joinedOnly bool, membership, notMembership *string, at string,
) util.JSONResponse { ) util.JSONResponse {
queryReq := api.QueryMembershipsForRoomRequest{ queryReq := api.QueryMembershipForUserRequest{
JoinedOnly: joinedOnly, RoomID: roomID,
RoomID: roomID, UserID: device.UserID,
Sender: device.UserID,
} }
var queryRes api.QueryMembershipsForRoomResponse
if err := rsAPI.QueryMembershipsForRoom(req.Context(), &queryReq, &queryRes); err != nil { var queryRes api.QueryMembershipForUserResponse
if err := rsAPI.QueryMembershipForUser(req.Context(), &queryReq, &queryRes); err != nil {
util.GetLogger(req.Context()).WithError(err).Error("rsAPI.QueryMembershipsForRoom failed") util.GetLogger(req.Context()).WithError(err).Error("rsAPI.QueryMembershipsForRoom failed")
return jsonerror.InternalServerError() return jsonerror.InternalServerError()
} }
@ -75,16 +76,48 @@ func GetMemberships(
} }
} }
db, err := syncDB.NewDatabaseSnapshot(req.Context())
if err != nil {
return jsonerror.InternalServerError()
}
atToken, err := types.NewTopologyTokenFromString(at)
if err != nil {
if queryRes.HasBeenInRoom && !queryRes.IsInRoom {
// If you have left the room then this will be the members of the room when you left.
atToken, err = db.EventPositionInTopology(req.Context(), queryRes.EventID)
} else {
// If you are joined to the room then this will be the current members of the room.
atToken, err = db.MaxTopologicalPosition(req.Context(), roomID)
}
if err != nil {
util.GetLogger(req.Context()).WithError(err).Error("unable to get 'atToken'")
return jsonerror.InternalServerError()
}
}
eventIDs, err := db.SelectMemberships(req.Context(), roomID, atToken, membership, notMembership)
if err != nil {
util.GetLogger(req.Context()).WithError(err).Error("db.SelectMemberships failed")
return jsonerror.InternalServerError()
}
result, err := db.Events(req.Context(), eventIDs)
if err != nil {
util.GetLogger(req.Context()).WithError(err).Error("db.Events failed")
return jsonerror.InternalServerError()
}
if joinedOnly { if joinedOnly {
var res getJoinedMembersResponse var res getJoinedMembersResponse
res.Joined = make(map[string]joinedMember) res.Joined = make(map[string]joinedMember)
for _, ev := range queryRes.JoinEvents { for _, ev := range result {
var content databaseJoinedMember var content databaseJoinedMember
if err := json.Unmarshal(ev.Content, &content); err != nil { if err := json.Unmarshal(ev.Content(), &content); err != nil {
util.GetLogger(req.Context()).WithError(err).Error("failed to unmarshal event content") util.GetLogger(req.Context()).WithError(err).Error("failed to unmarshal event content")
return jsonerror.InternalServerError() return jsonerror.InternalServerError()
} }
res.Joined[ev.Sender] = joinedMember(content) res.Joined[ev.Sender()] = joinedMember(content)
} }
return util.JSONResponse{ return util.JSONResponse{
Code: http.StatusOK, Code: http.StatusOK,
@ -93,29 +126,6 @@ func GetMemberships(
} }
return util.JSONResponse{ return util.JSONResponse{
Code: http.StatusOK, Code: http.StatusOK,
JSON: getMembershipResponse{queryRes.JoinEvents}, JSON: getMembershipResponse{gomatrixserverlib.HeaderedToClientEvents(result, gomatrixserverlib.FormatSync)},
}
}
func GetJoinedRooms(
req *http.Request,
device *userapi.Device,
rsAPI api.ClientRoomserverAPI,
) util.JSONResponse {
var res api.QueryRoomsForUserResponse
err := rsAPI.QueryRoomsForUser(req.Context(), &api.QueryRoomsForUserRequest{
UserID: device.UserID,
WantMembership: "join",
}, &res)
if err != nil {
util.GetLogger(req.Context()).WithError(err).Error("QueryRoomsForUser failed")
return jsonerror.InternalServerError()
}
if res.RoomIDs == nil {
res.RoomIDs = []string{}
}
return util.JSONResponse{
Code: http.StatusOK,
JSON: getJoinedRoomsResponse{res.RoomIDs},
} }
} }

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@ -172,4 +172,37 @@ func Setup(
return Search(req, device, syncDB, fts, nextBatch) return Search(req, device, syncDB, fts, nextBatch)
}), }),
).Methods(http.MethodPost, http.MethodOptions) ).Methods(http.MethodPost, http.MethodOptions)
v3mux.Handle("/rooms/{roomID}/members",
httputil.MakeAuthAPI("rooms_members", userAPI, func(req *http.Request, device *userapi.Device) util.JSONResponse {
vars, err := httputil.URLDecodeMapValues(mux.Vars(req))
if err != nil {
return util.ErrorResponse(err)
}
var membership, notMembership *string
if req.URL.Query().Has("membership") {
m := req.URL.Query().Get("membership")
membership = &m
}
if req.URL.Query().Has("not_membership") {
m := req.URL.Query().Get("not_membership")
notMembership = &m
}
at := req.URL.Query().Get("at")
return GetMemberships(req, device, vars["roomID"], syncDB, rsAPI, false, membership, notMembership, at)
}),
).Methods(http.MethodGet, http.MethodOptions)
v3mux.Handle("/rooms/{roomID}/joined_members",
httputil.MakeAuthAPI("rooms_members", userAPI, func(req *http.Request, device *userapi.Device) util.JSONResponse {
vars, err := httputil.URLDecodeMapValues(mux.Vars(req))
if err != nil {
return util.ErrorResponse(err)
}
at := req.URL.Query().Get("at")
membership := gomatrixserverlib.Join
return GetMemberships(req, device, vars["roomID"], syncDB, rsAPI, true, &membership, nil, at)
}),
).Methods(http.MethodGet, http.MethodOptions)
} }

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@ -178,6 +178,11 @@ type Database interface {
ReIndex(ctx context.Context, limit, afterID int64) (map[int64]gomatrixserverlib.HeaderedEvent, error) ReIndex(ctx context.Context, limit, afterID int64) (map[int64]gomatrixserverlib.HeaderedEvent, error)
UpdateRelations(ctx context.Context, event *gomatrixserverlib.HeaderedEvent) error UpdateRelations(ctx context.Context, event *gomatrixserverlib.HeaderedEvent) error
RedactRelations(ctx context.Context, roomID, redactedEventID string) error RedactRelations(ctx context.Context, roomID, redactedEventID string) error
SelectMemberships(
ctx context.Context,
roomID string, pos types.TopologyToken,
membership, notMembership *string,
) (eventIDs []string, err error)
} }
type Presence interface { type Presence interface {

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@ -20,11 +20,12 @@ import (
"fmt" "fmt"
"github.com/lib/pq" "github.com/lib/pq"
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/dendrite/internal" "github.com/matrix-org/dendrite/internal"
"github.com/matrix-org/dendrite/internal/sqlutil" "github.com/matrix-org/dendrite/internal/sqlutil"
"github.com/matrix-org/dendrite/syncapi/storage/tables" "github.com/matrix-org/dendrite/syncapi/storage/tables"
"github.com/matrix-org/dendrite/syncapi/types" "github.com/matrix-org/dendrite/syncapi/types"
"github.com/matrix-org/gomatrixserverlib"
) )
// The memberships table is designed to track the last time that // The memberships table is designed to track the last time that
@ -69,11 +70,20 @@ const selectHeroesSQL = "" +
const selectMembershipBeforeSQL = "" + 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" "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"
const selectMembersSQL = `
SELECT event_id FROM (
SELECT DISTINCT ON (room_id, user_id) room_id, user_id, event_id, membership FROM syncapi_memberships WHERE room_id = $1 AND topological_pos <= $2 ORDER BY room_id, user_id, stream_pos DESC
) t
WHERE ($3::text IS NULL OR t.membership = $3)
AND ($4::text IS NULL OR t.membership <> $4)
`
type membershipsStatements struct { type membershipsStatements struct {
upsertMembershipStmt *sql.Stmt upsertMembershipStmt *sql.Stmt
selectMembershipCountStmt *sql.Stmt selectMembershipCountStmt *sql.Stmt
selectHeroesStmt *sql.Stmt selectHeroesStmt *sql.Stmt
selectMembershipForUserStmt *sql.Stmt selectMembershipForUserStmt *sql.Stmt
selectMembersStmt *sql.Stmt
} }
func NewPostgresMembershipsTable(db *sql.DB) (tables.Memberships, error) { func NewPostgresMembershipsTable(db *sql.DB) (tables.Memberships, error) {
@ -87,6 +97,7 @@ func NewPostgresMembershipsTable(db *sql.DB) (tables.Memberships, error) {
{&s.selectMembershipCountStmt, selectMembershipCountSQL}, {&s.selectMembershipCountStmt, selectMembershipCountSQL},
{&s.selectHeroesStmt, selectHeroesSQL}, {&s.selectHeroesStmt, selectHeroesSQL},
{&s.selectMembershipForUserStmt, selectMembershipBeforeSQL}, {&s.selectMembershipForUserStmt, selectMembershipBeforeSQL},
{&s.selectMembersStmt, selectMembersSQL},
}.Prepare(db) }.Prepare(db)
} }
@ -154,3 +165,25 @@ func (s *membershipsStatements) SelectMembershipForUser(
} }
return membership, topologyPos, nil return membership, topologyPos, nil
} }
func (s *membershipsStatements) SelectMemberships(
ctx context.Context, txn *sql.Tx,
roomID string, pos types.TopologyToken,
membership, notMembership *string,
) (eventIDs []string, err error) {
stmt := sqlutil.TxStmt(txn, s.selectMembersStmt)
rows, err := stmt.QueryContext(ctx, roomID, pos.Depth, membership, notMembership)
if err != nil {
return
}
var (
eventID string
)
for rows.Next() {
if err = rows.Scan(&eventID); err != nil {
return
}
eventIDs = append(eventIDs, eventID)
}
return eventIDs, rows.Err()
}

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@ -617,3 +617,11 @@ func (d *Database) RedactRelations(ctx context.Context, roomID, redactedEventID
return d.Relations.DeleteRelation(ctx, txn, roomID, redactedEventID) return d.Relations.DeleteRelation(ctx, txn, roomID, redactedEventID)
}) })
} }
func (d *Database) SelectMemberships(
ctx context.Context,
roomID string, pos types.TopologyToken,
membership, notMembership *string,
) (eventIDs []string, err error) {
return d.Memberships.SelectMemberships(ctx, nil, roomID, pos, membership, notMembership)
}

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@ -20,11 +20,12 @@ import (
"fmt" "fmt"
"strings" "strings"
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/dendrite/internal" "github.com/matrix-org/dendrite/internal"
"github.com/matrix-org/dendrite/internal/sqlutil" "github.com/matrix-org/dendrite/internal/sqlutil"
"github.com/matrix-org/dendrite/syncapi/storage/tables" "github.com/matrix-org/dendrite/syncapi/storage/tables"
"github.com/matrix-org/dendrite/syncapi/types" "github.com/matrix-org/dendrite/syncapi/types"
"github.com/matrix-org/gomatrixserverlib"
) )
// The memberships table is designed to track the last time that // The memberships table is designed to track the last time that
@ -69,12 +70,20 @@ const selectHeroesSQL = "" +
const selectMembershipBeforeSQL = "" + 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" "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"
const selectMembersSQL = `
SELECT event_id FROM
( SELECT event_id, membership FROM syncapi_memberships WHERE room_id = $1 AND topological_pos <= $2 GROUP BY user_id HAVING(max(stream_pos))) t
WHERE ($3 IS NULL OR t.membership = $3)
AND ($4 IS NULL OR t.membership <> $4)
`
type membershipsStatements struct { type membershipsStatements struct {
db *sql.DB db *sql.DB
upsertMembershipStmt *sql.Stmt upsertMembershipStmt *sql.Stmt
selectMembershipCountStmt *sql.Stmt selectMembershipCountStmt *sql.Stmt
//selectHeroesStmt *sql.Stmt - prepared at runtime due to variadic //selectHeroesStmt *sql.Stmt - prepared at runtime due to variadic
selectMembershipForUserStmt *sql.Stmt selectMembershipForUserStmt *sql.Stmt
selectMembersStmt *sql.Stmt
} }
func NewSqliteMembershipsTable(db *sql.DB) (tables.Memberships, error) { func NewSqliteMembershipsTable(db *sql.DB) (tables.Memberships, error) {
@ -89,6 +98,7 @@ func NewSqliteMembershipsTable(db *sql.DB) (tables.Memberships, error) {
{&s.upsertMembershipStmt, upsertMembershipSQL}, {&s.upsertMembershipStmt, upsertMembershipSQL},
{&s.selectMembershipCountStmt, selectMembershipCountSQL}, {&s.selectMembershipCountStmt, selectMembershipCountSQL},
{&s.selectMembershipForUserStmt, selectMembershipBeforeSQL}, {&s.selectMembershipForUserStmt, selectMembershipBeforeSQL},
{&s.selectMembersStmt, selectMembersSQL},
// {&s.selectHeroesStmt, selectHeroesSQL}, - prepared at runtime due to variadic // {&s.selectHeroesStmt, selectHeroesSQL}, - prepared at runtime due to variadic
}.Prepare(db) }.Prepare(db)
} }
@ -170,3 +180,23 @@ func (s *membershipsStatements) SelectMembershipForUser(
} }
return membership, topologyPos, nil return membership, topologyPos, nil
} }
func (s *membershipsStatements) SelectMemberships(
ctx context.Context, txn *sql.Tx,
roomID string, pos types.TopologyToken,
membership, notMembership *string,
) (eventIDs []string, err error) {
stmt := sqlutil.TxStmt(txn, s.selectMembersStmt)
rows, err := stmt.QueryContext(ctx, roomID, pos.Depth, membership, notMembership)
if err != nil {
return
}
var eventID string
for rows.Next() {
if err = rows.Scan(&eventID); err != nil {
return
}
eventIDs = append(eventIDs, eventID)
}
return eventIDs, rows.Err()
}

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@ -187,6 +187,11 @@ type Memberships interface {
SelectMembershipCount(ctx context.Context, txn *sql.Tx, roomID, membership string, pos types.StreamPosition) (count int, err 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) SelectHeroes(ctx context.Context, txn *sql.Tx, roomID, userID string, memberships []string) (heroes []string, err error)
SelectMembershipForUser(ctx context.Context, txn *sql.Tx, roomID, userID string, pos int64) (membership string, topologicalPos int, err error) SelectMembershipForUser(ctx context.Context, txn *sql.Tx, roomID, userID string, pos int64) (membership string, topologicalPos int, err error)
SelectMemberships(
ctx context.Context, txn *sql.Tx,
roomID string, pos types.TopologyToken,
membership, notMembership *string,
) (eventIDs []string, err error)
} }
type NotificationData interface { type NotificationData interface {

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@ -473,7 +473,13 @@ func (p *PDUStreamProvider) getJoinResponseForCompleteSync(
var prevBatch *types.TopologyToken var prevBatch *types.TopologyToken
if len(recentStreamEvents) > 0 { if len(recentStreamEvents) > 0 {
var backwardTopologyPos, backwardStreamPos types.StreamPosition var backwardTopologyPos, backwardStreamPos types.StreamPosition
backwardTopologyPos, backwardStreamPos, err = snapshot.PositionInTopology(ctx, recentStreamEvents[0].EventID()) event := recentStreamEvents[0]
// If this is the beginning of the room, we can't go back further. We're going to return
// the TopologyToken from the last event instead. (Synapse returns the /sync next_Batch)
if event.Type() == gomatrixserverlib.MRoomCreate && event.StateKeyEquals("") {
event = recentStreamEvents[len(recentStreamEvents)-1]
}
backwardTopologyPos, backwardStreamPos, err = snapshot.PositionInTopology(ctx, event.EventID())
if err != nil { if err != nil {
return return
} }

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@ -234,6 +234,9 @@ func (t *TopologyToken) StreamToken() StreamingToken {
} }
func (t TopologyToken) String() string { func (t TopologyToken) String() string {
if t.Depth <= 0 && t.PDUPosition <= 0 {
return ""
}
return fmt.Sprintf("t%d_%d", t.Depth, t.PDUPosition) return fmt.Sprintf("t%d_%d", t.Depth, t.PDUPosition)
} }

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@ -754,4 +754,6 @@ Messages that notify from another user increment notification_count
Messages that highlight from another user increment unread highlight count Messages that highlight from another user increment unread highlight count
Notifications can be viewed with GET /notifications Notifications can be viewed with GET /notifications
Can get rooms/{roomId}/messages for a departed room (SPEC-216) Can get rooms/{roomId}/messages for a departed room (SPEC-216)
Local device key changes appear in /keys/changes Local device key changes appear in /keys/changes
Can get rooms/{roomId}/members at a given point
Can filter rooms/{roomId}/members