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// 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 shared
import (
"context"
"database/sql"
"github.com/matrix-org/dendrite/currentstateserver/storage/tables"
"github.com/matrix-org/dendrite/internal/sqlutil"
"github.com/matrix-org/gomatrixserverlib"
)
type Database struct {
DB *sql.DB
CurrentRoomState tables.CurrentRoomState
}
func (d *Database) GetStateEvent(ctx context.Context, roomID, evType, stateKey string) (*gomatrixserverlib.HeaderedEvent, error) {
return d.CurrentRoomState.SelectStateEvent(ctx, roomID, evType, stateKey)
}
func (d *Database) GetBulkStateContent(ctx context.Context, roomIDs []string, tuples []gomatrixserverlib.StateKeyTuple, allowWildcards bool) ([]tables.StrippedEvent, error) {
return d.CurrentRoomState.SelectBulkStateContent(ctx, roomIDs, tuples, allowWildcards)
}
func (d *Database) StoreStateEvents(ctx context.Context, addStateEvents []gomatrixserverlib.HeaderedEvent,
removeStateEventIDs []string) error {
return sqlutil.WithTransaction(d.DB, func(txn *sql.Tx) error {
// remove first, then add, as we do not ever delete state, but do replace state which is a remove followed by an add.
for _, eventID := range removeStateEventIDs {
if err := d.CurrentRoomState.DeleteRoomStateByEventID(ctx, txn, eventID); err != nil {
return err
}
}
for _, event := range addStateEvents {
if event.StateKey() == nil {
// ignore non state events
continue
}
contentVal := tables.ExtractContentValue(&event)
if err := d.CurrentRoomState.UpsertRoomState(ctx, txn, event, contentVal); err != nil {
return err
}
}
return nil
})
}
func (d *Database) GetRoomsByMembership(ctx context.Context, userID, membership string) ([]string, error) {
return d.CurrentRoomState.SelectRoomIDsWithMembership(ctx, nil, userID, membership)
}
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