dendrite/currentstateserver/internal/api.go
Kegsay 7b862384a7
currentstate: Add QuerySharedUsers (#1217)
This will be used to determine who to send device list updates to. It
can also be used to determine who to send presence info to.
2020-07-23 12:26:31 +01:00

84 lines
2.7 KiB
Go

// Copyright 2020 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 internal
import (
"context"
"github.com/matrix-org/dendrite/currentstateserver/api"
"github.com/matrix-org/dendrite/currentstateserver/storage"
"github.com/matrix-org/gomatrixserverlib"
)
type CurrentStateInternalAPI struct {
DB storage.Database
}
func (a *CurrentStateInternalAPI) QueryCurrentState(ctx context.Context, req *api.QueryCurrentStateRequest, res *api.QueryCurrentStateResponse) error {
res.StateEvents = make(map[gomatrixserverlib.StateKeyTuple]*gomatrixserverlib.HeaderedEvent)
for _, tuple := range req.StateTuples {
ev, err := a.DB.GetStateEvent(ctx, req.RoomID, tuple.EventType, tuple.StateKey)
if err != nil {
return err
}
if ev != nil {
res.StateEvents[tuple] = ev
}
}
return nil
}
func (a *CurrentStateInternalAPI) QueryRoomsForUser(ctx context.Context, req *api.QueryRoomsForUserRequest, res *api.QueryRoomsForUserResponse) error {
roomIDs, err := a.DB.GetRoomsByMembership(ctx, req.UserID, req.WantMembership)
if err != nil {
return err
}
res.RoomIDs = roomIDs
return nil
}
func (a *CurrentStateInternalAPI) QueryBulkStateContent(ctx context.Context, req *api.QueryBulkStateContentRequest, res *api.QueryBulkStateContentResponse) error {
events, err := a.DB.GetBulkStateContent(ctx, req.RoomIDs, req.StateTuples, req.AllowWildcards)
if err != nil {
return err
}
res.Rooms = make(map[string]map[gomatrixserverlib.StateKeyTuple]string)
for _, ev := range events {
if res.Rooms[ev.RoomID] == nil {
res.Rooms[ev.RoomID] = make(map[gomatrixserverlib.StateKeyTuple]string)
}
room := res.Rooms[ev.RoomID]
room[gomatrixserverlib.StateKeyTuple{
EventType: ev.EventType,
StateKey: ev.StateKey,
}] = ev.ContentValue
res.Rooms[ev.RoomID] = room
}
return nil
}
func (a *CurrentStateInternalAPI) QuerySharedUsers(ctx context.Context, req *api.QuerySharedUsersRequest, res *api.QuerySharedUsersResponse) error {
roomIDs, err := a.DB.GetRoomsByMembership(ctx, req.UserID, "join")
if err != nil {
return err
}
users, err := a.DB.JoinedUsersSetInRooms(ctx, roomIDs)
if err != nil {
return err
}
res.UserIDs = users
return nil
}