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ca5bbffd8d
* Add a new component: currentstateserver - Add a skeleton for it, with databases and a single query method. - Add integration tests for it. - Add listen/address fields in the config (breaking as this will force people to specify this to validate) Not currently hooked up to anything yet. * Unbreak config tests * Add current_state to sample config * comments
66 lines
2 KiB
Go
66 lines
2 KiB
Go
// Copyright 2020 The Matrix.org Foundation C.I.C.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package shared
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import (
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"context"
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"database/sql"
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"github.com/matrix-org/dendrite/currentstateserver/storage/tables"
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"github.com/matrix-org/dendrite/internal/sqlutil"
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"github.com/matrix-org/gomatrixserverlib"
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)
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type Database struct {
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DB *sql.DB
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CurrentRoomState tables.CurrentRoomState
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}
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func (d *Database) GetStateEvent(ctx context.Context, roomID, evType, stateKey string) (*gomatrixserverlib.HeaderedEvent, error) {
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return d.CurrentRoomState.SelectStateEvent(ctx, roomID, evType, stateKey)
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}
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func (d *Database) StoreStateEvents(ctx context.Context, addStateEvents []gomatrixserverlib.HeaderedEvent,
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removeStateEventIDs []string) error {
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return sqlutil.WithTransaction(d.DB, func(txn *sql.Tx) error {
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// remove first, then add, as we do not ever delete state, but do replace state which is a remove followed by an add.
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for _, eventID := range removeStateEventIDs {
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if err := d.CurrentRoomState.DeleteRoomStateByEventID(ctx, txn, eventID); err != nil {
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return err
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}
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}
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for _, event := range addStateEvents {
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if event.StateKey() == nil {
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// ignore non state events
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continue
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}
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var membership *string
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if event.Type() == "m.room.member" {
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value, err := event.Membership()
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if err != nil {
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return err
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}
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membership = &value
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}
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if err := d.CurrentRoomState.UpsertRoomState(ctx, txn, event, membership); err != nil {
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return err
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}
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}
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return nil
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})
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}
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