724 lines
22 KiB
Go
724 lines
22 KiB
Go
// Copyright 2017-2018 New Vector Ltd
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// Copyright 2019-2020 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 sqlite3
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import (
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"context"
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"database/sql"
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"net/url"
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"github.com/matrix-org/dendrite/roomserver/api"
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"github.com/matrix-org/dendrite/roomserver/types"
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"github.com/matrix-org/gomatrixserverlib"
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_ "github.com/mattn/go-sqlite3"
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)
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// A Database is used to store room events and stream offsets.
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type Database struct {
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statements statements
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db *sql.DB
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}
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// Open a postgres database.
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func Open(dataSourceName string) (*Database, error) {
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var d Database
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uri, err := url.Parse(dataSourceName)
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if err != nil {
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return nil, err
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}
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if uri.Opaque != "" { // file:filename.db
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if d.db, err = sql.Open("sqlite3", uri.Opaque); err != nil {
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return nil, err
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}
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}
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if uri.Path != "" { // file:///path/to/filename.db
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if d.db, err = sql.Open("sqlite3", uri.Path); err != nil {
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return nil, err
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}
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}
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if err = d.statements.prepare(d.db); err != nil {
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return nil, err
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}
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return &d, nil
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}
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// StoreEvent implements input.EventDatabase
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func (d *Database) StoreEvent(
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ctx context.Context, event gomatrixserverlib.Event,
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txnAndSessionID *api.TransactionID, authEventNIDs []types.EventNID,
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) (types.RoomNID, types.StateAtEvent, error) {
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var (
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roomNID types.RoomNID
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eventTypeNID types.EventTypeNID
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eventStateKeyNID types.EventStateKeyNID
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eventNID types.EventNID
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stateNID types.StateSnapshotNID
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err error
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)
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if txnAndSessionID != nil {
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if err = d.statements.insertTransaction(
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ctx, txnAndSessionID.TransactionID,
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txnAndSessionID.SessionID, event.Sender(), event.EventID(),
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); err != nil {
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return 0, types.StateAtEvent{}, err
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}
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}
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if roomNID, err = d.assignRoomNID(ctx, nil, event.RoomID()); err != nil {
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return 0, types.StateAtEvent{}, err
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}
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if eventTypeNID, err = d.assignEventTypeNID(ctx, event.Type()); err != nil {
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return 0, types.StateAtEvent{}, err
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}
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eventStateKey := event.StateKey()
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// Assigned a numeric ID for the state_key if there is one present.
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// Otherwise set the numeric ID for the state_key to 0.
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if eventStateKey != nil {
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if eventStateKeyNID, err = d.assignStateKeyNID(ctx, nil, *eventStateKey); err != nil {
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return 0, types.StateAtEvent{}, err
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}
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}
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if eventNID, stateNID, err = d.statements.insertEvent(
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ctx,
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roomNID,
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eventTypeNID,
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eventStateKeyNID,
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event.EventID(),
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event.EventReference().EventSHA256,
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authEventNIDs,
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event.Depth(),
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); err != nil {
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if err == sql.ErrNoRows {
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// We've already inserted the event so select the numeric event ID
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eventNID, stateNID, err = d.statements.selectEvent(ctx, event.EventID())
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}
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if err != nil {
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return 0, types.StateAtEvent{}, err
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}
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}
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if err = d.statements.insertEventJSON(ctx, eventNID, event.JSON()); err != nil {
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return 0, types.StateAtEvent{}, err
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}
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return roomNID, types.StateAtEvent{
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BeforeStateSnapshotNID: stateNID,
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StateEntry: types.StateEntry{
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StateKeyTuple: types.StateKeyTuple{
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EventTypeNID: eventTypeNID,
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EventStateKeyNID: eventStateKeyNID,
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},
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EventNID: eventNID,
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},
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}, nil
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}
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func (d *Database) assignRoomNID(
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ctx context.Context, txn *sql.Tx, roomID string,
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) (types.RoomNID, error) {
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// Check if we already have a numeric ID in the database.
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roomNID, err := d.statements.selectRoomNID(ctx, txn, roomID)
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if err == sql.ErrNoRows {
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// We don't have a numeric ID so insert one into the database.
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roomNID, err = d.statements.insertRoomNID(ctx, txn, roomID)
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if err == sql.ErrNoRows {
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// We raced with another insert so run the select again.
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roomNID, err = d.statements.selectRoomNID(ctx, txn, roomID)
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}
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}
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return roomNID, err
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}
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func (d *Database) assignEventTypeNID(
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ctx context.Context, eventType string,
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) (types.EventTypeNID, error) {
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// Check if we already have a numeric ID in the database.
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eventTypeNID, err := d.statements.selectEventTypeNID(ctx, eventType)
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if err == sql.ErrNoRows {
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// We don't have a numeric ID so insert one into the database.
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eventTypeNID, err = d.statements.insertEventTypeNID(ctx, eventType)
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if err == sql.ErrNoRows {
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// We raced with another insert so run the select again.
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eventTypeNID, err = d.statements.selectEventTypeNID(ctx, eventType)
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}
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}
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return eventTypeNID, err
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}
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func (d *Database) assignStateKeyNID(
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ctx context.Context, txn *sql.Tx, eventStateKey string,
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) (types.EventStateKeyNID, error) {
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// Check if we already have a numeric ID in the database.
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eventStateKeyNID, err := d.statements.selectEventStateKeyNID(ctx, txn, eventStateKey)
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if err == sql.ErrNoRows {
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// We don't have a numeric ID so insert one into the database.
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eventStateKeyNID, err = d.statements.insertEventStateKeyNID(ctx, txn, eventStateKey)
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if err == sql.ErrNoRows {
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// We raced with another insert so run the select again.
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eventStateKeyNID, err = d.statements.selectEventStateKeyNID(ctx, txn, eventStateKey)
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}
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}
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return eventStateKeyNID, err
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}
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// StateEntriesForEventIDs implements input.EventDatabase
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func (d *Database) StateEntriesForEventIDs(
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ctx context.Context, eventIDs []string,
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) ([]types.StateEntry, error) {
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return d.statements.bulkSelectStateEventByID(ctx, eventIDs)
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}
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// EventTypeNIDs implements state.RoomStateDatabase
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func (d *Database) EventTypeNIDs(
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ctx context.Context, eventTypes []string,
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) (map[string]types.EventTypeNID, error) {
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return d.statements.bulkSelectEventTypeNID(ctx, eventTypes)
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}
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// EventStateKeyNIDs implements state.RoomStateDatabase
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func (d *Database) EventStateKeyNIDs(
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ctx context.Context, eventStateKeys []string,
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) (map[string]types.EventStateKeyNID, error) {
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return d.statements.bulkSelectEventStateKeyNID(ctx, eventStateKeys)
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}
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// EventStateKeys implements query.RoomserverQueryAPIDatabase
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func (d *Database) EventStateKeys(
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ctx context.Context, eventStateKeyNIDs []types.EventStateKeyNID,
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) (map[types.EventStateKeyNID]string, error) {
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return d.statements.bulkSelectEventStateKey(ctx, eventStateKeyNIDs)
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}
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// EventNIDs implements query.RoomserverQueryAPIDatabase
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func (d *Database) EventNIDs(
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ctx context.Context, eventIDs []string,
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) (map[string]types.EventNID, error) {
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return d.statements.bulkSelectEventNID(ctx, eventIDs)
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}
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// Events implements input.EventDatabase
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func (d *Database) Events(
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ctx context.Context, eventNIDs []types.EventNID,
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) ([]types.Event, error) {
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eventJSONs, err := d.statements.bulkSelectEventJSON(ctx, eventNIDs)
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if err != nil {
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return nil, err
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}
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results := make([]types.Event, len(eventJSONs))
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for i, eventJSON := range eventJSONs {
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result := &results[i]
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result.EventNID = eventJSON.EventNID
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// TODO: Use NewEventFromTrustedJSON for efficiency
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result.Event, err = gomatrixserverlib.NewEventFromUntrustedJSON(eventJSON.EventJSON)
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if err != nil {
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return nil, err
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}
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}
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return results, nil
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}
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// AddState implements input.EventDatabase
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func (d *Database) AddState(
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ctx context.Context,
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roomNID types.RoomNID,
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stateBlockNIDs []types.StateBlockNID,
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state []types.StateEntry,
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) (types.StateSnapshotNID, error) {
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if len(state) > 0 {
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stateBlockNID, err := d.statements.selectNextStateBlockNID(ctx)
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if err != nil {
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return 0, err
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}
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if err = d.statements.bulkInsertStateData(ctx, stateBlockNID, state); err != nil {
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return 0, err
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}
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stateBlockNIDs = append(stateBlockNIDs[:len(stateBlockNIDs):len(stateBlockNIDs)], stateBlockNID)
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}
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return d.statements.insertState(ctx, roomNID, stateBlockNIDs)
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}
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// SetState implements input.EventDatabase
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func (d *Database) SetState(
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ctx context.Context, eventNID types.EventNID, stateNID types.StateSnapshotNID,
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) error {
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return d.statements.updateEventState(ctx, eventNID, stateNID)
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}
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// StateAtEventIDs implements input.EventDatabase
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func (d *Database) StateAtEventIDs(
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ctx context.Context, eventIDs []string,
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) ([]types.StateAtEvent, error) {
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return d.statements.bulkSelectStateAtEventByID(ctx, eventIDs)
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}
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// StateBlockNIDs implements state.RoomStateDatabase
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func (d *Database) StateBlockNIDs(
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ctx context.Context, stateNIDs []types.StateSnapshotNID,
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) ([]types.StateBlockNIDList, error) {
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return d.statements.bulkSelectStateBlockNIDs(ctx, stateNIDs)
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}
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// StateEntries implements state.RoomStateDatabase
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func (d *Database) StateEntries(
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ctx context.Context, stateBlockNIDs []types.StateBlockNID,
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) ([]types.StateEntryList, error) {
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return d.statements.bulkSelectStateBlockEntries(ctx, stateBlockNIDs)
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}
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// SnapshotNIDFromEventID implements state.RoomStateDatabase
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func (d *Database) SnapshotNIDFromEventID(
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ctx context.Context, eventID string,
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) (types.StateSnapshotNID, error) {
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_, stateNID, err := d.statements.selectEvent(ctx, eventID)
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return stateNID, err
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}
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// EventIDs implements input.RoomEventDatabase
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func (d *Database) EventIDs(
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ctx context.Context, eventNIDs []types.EventNID,
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) (map[types.EventNID]string, error) {
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return d.statements.bulkSelectEventID(ctx, eventNIDs)
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}
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// GetLatestEventsForUpdate implements input.EventDatabase
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func (d *Database) GetLatestEventsForUpdate(
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ctx context.Context, roomNID types.RoomNID,
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) (types.RoomRecentEventsUpdater, error) {
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txn, err := d.db.Begin()
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if err != nil {
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return nil, err
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}
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eventNIDs, lastEventNIDSent, currentStateSnapshotNID, err :=
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d.statements.selectLatestEventsNIDsForUpdate(ctx, txn, roomNID)
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if err != nil {
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txn.Rollback() // nolint: errcheck
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return nil, err
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}
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stateAndRefs, err := d.statements.bulkSelectStateAtEventAndReference(ctx, txn, eventNIDs)
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if err != nil {
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txn.Rollback() // nolint: errcheck
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return nil, err
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}
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var lastEventIDSent string
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if lastEventNIDSent != 0 {
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lastEventIDSent, err = d.statements.selectEventID(ctx, txn, lastEventNIDSent)
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if err != nil {
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txn.Rollback() // nolint: errcheck
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return nil, err
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}
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}
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return &roomRecentEventsUpdater{
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transaction{ctx, txn}, d, roomNID, stateAndRefs, lastEventIDSent, currentStateSnapshotNID,
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}, nil
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}
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// GetTransactionEventID implements input.EventDatabase
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func (d *Database) GetTransactionEventID(
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ctx context.Context, transactionID string,
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sessionID int64, userID string,
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) (string, error) {
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eventID, err := d.statements.selectTransactionEventID(ctx, transactionID, sessionID, userID)
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if err == sql.ErrNoRows {
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return "", nil
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}
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return eventID, err
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}
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type roomRecentEventsUpdater struct {
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transaction
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d *Database
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roomNID types.RoomNID
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latestEvents []types.StateAtEventAndReference
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lastEventIDSent string
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currentStateSnapshotNID types.StateSnapshotNID
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}
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// LatestEvents implements types.RoomRecentEventsUpdater
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func (u *roomRecentEventsUpdater) LatestEvents() []types.StateAtEventAndReference {
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return u.latestEvents
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}
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// LastEventIDSent implements types.RoomRecentEventsUpdater
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func (u *roomRecentEventsUpdater) LastEventIDSent() string {
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return u.lastEventIDSent
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}
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// CurrentStateSnapshotNID implements types.RoomRecentEventsUpdater
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func (u *roomRecentEventsUpdater) CurrentStateSnapshotNID() types.StateSnapshotNID {
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return u.currentStateSnapshotNID
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}
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// StorePreviousEvents implements types.RoomRecentEventsUpdater
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func (u *roomRecentEventsUpdater) StorePreviousEvents(eventNID types.EventNID, previousEventReferences []gomatrixserverlib.EventReference) error {
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for _, ref := range previousEventReferences {
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if err := u.d.statements.insertPreviousEvent(u.ctx, u.txn, ref.EventID, ref.EventSHA256, eventNID); 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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// IsReferenced implements types.RoomRecentEventsUpdater
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func (u *roomRecentEventsUpdater) IsReferenced(eventReference gomatrixserverlib.EventReference) (bool, error) {
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err := u.d.statements.selectPreviousEventExists(u.ctx, u.txn, eventReference.EventID, eventReference.EventSHA256)
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if err == nil {
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return true, nil
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}
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if err == sql.ErrNoRows {
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return false, nil
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}
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return false, err
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}
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// SetLatestEvents implements types.RoomRecentEventsUpdater
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func (u *roomRecentEventsUpdater) SetLatestEvents(
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roomNID types.RoomNID, latest []types.StateAtEventAndReference, lastEventNIDSent types.EventNID,
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currentStateSnapshotNID types.StateSnapshotNID,
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) error {
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eventNIDs := make([]types.EventNID, len(latest))
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for i := range latest {
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eventNIDs[i] = latest[i].EventNID
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}
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return u.d.statements.updateLatestEventNIDs(u.ctx, u.txn, roomNID, eventNIDs, lastEventNIDSent, currentStateSnapshotNID)
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}
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// HasEventBeenSent implements types.RoomRecentEventsUpdater
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func (u *roomRecentEventsUpdater) HasEventBeenSent(eventNID types.EventNID) (bool, error) {
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return u.d.statements.selectEventSentToOutput(u.ctx, u.txn, eventNID)
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}
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// MarkEventAsSent implements types.RoomRecentEventsUpdater
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func (u *roomRecentEventsUpdater) MarkEventAsSent(eventNID types.EventNID) error {
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return u.d.statements.updateEventSentToOutput(u.ctx, u.txn, eventNID)
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}
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func (u *roomRecentEventsUpdater) MembershipUpdater(targetUserNID types.EventStateKeyNID) (types.MembershipUpdater, error) {
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return u.d.membershipUpdaterTxn(u.ctx, u.txn, u.roomNID, targetUserNID)
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}
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// RoomNID implements query.RoomserverQueryAPIDB
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func (d *Database) RoomNID(ctx context.Context, roomID string) (types.RoomNID, error) {
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roomNID, err := d.statements.selectRoomNID(ctx, nil, roomID)
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if err == sql.ErrNoRows {
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return 0, nil
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}
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return roomNID, err
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}
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// LatestEventIDs implements query.RoomserverQueryAPIDatabase
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func (d *Database) LatestEventIDs(
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ctx context.Context, roomNID types.RoomNID,
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) ([]gomatrixserverlib.EventReference, types.StateSnapshotNID, int64, error) {
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eventNIDs, currentStateSnapshotNID, err := d.statements.selectLatestEventNIDs(ctx, roomNID)
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if err != nil {
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return nil, 0, 0, err
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}
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references, err := d.statements.bulkSelectEventReference(ctx, eventNIDs)
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if err != nil {
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return nil, 0, 0, err
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}
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depth, err := d.statements.selectMaxEventDepth(ctx, eventNIDs)
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if err != nil {
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return nil, 0, 0, err
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}
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return references, currentStateSnapshotNID, depth, nil
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}
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// GetInvitesForUser implements query.RoomserverQueryAPIDatabase
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func (d *Database) GetInvitesForUser(
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ctx context.Context,
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roomNID types.RoomNID,
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targetUserNID types.EventStateKeyNID,
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) (senderUserIDs []types.EventStateKeyNID, err error) {
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return d.statements.selectInviteActiveForUserInRoom(ctx, targetUserNID, roomNID)
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}
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// SetRoomAlias implements alias.RoomserverAliasAPIDB
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func (d *Database) SetRoomAlias(ctx context.Context, alias string, roomID string, creatorUserID string) error {
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return d.statements.insertRoomAlias(ctx, alias, roomID, creatorUserID)
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}
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// GetRoomIDForAlias implements alias.RoomserverAliasAPIDB
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func (d *Database) GetRoomIDForAlias(ctx context.Context, alias string) (string, error) {
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return d.statements.selectRoomIDFromAlias(ctx, alias)
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}
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// GetAliasesForRoomID implements alias.RoomserverAliasAPIDB
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func (d *Database) GetAliasesForRoomID(ctx context.Context, roomID string) ([]string, error) {
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return d.statements.selectAliasesFromRoomID(ctx, roomID)
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}
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// GetCreatorIDForAlias implements alias.RoomserverAliasAPIDB
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func (d *Database) GetCreatorIDForAlias(
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ctx context.Context, alias string,
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) (string, error) {
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return d.statements.selectCreatorIDFromAlias(ctx, alias)
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}
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|
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// RemoveRoomAlias implements alias.RoomserverAliasAPIDB
|
|
func (d *Database) RemoveRoomAlias(ctx context.Context, alias string) error {
|
|
return d.statements.deleteRoomAlias(ctx, alias)
|
|
}
|
|
|
|
// StateEntriesForTuples implements state.RoomStateDatabase
|
|
func (d *Database) StateEntriesForTuples(
|
|
ctx context.Context,
|
|
stateBlockNIDs []types.StateBlockNID,
|
|
stateKeyTuples []types.StateKeyTuple,
|
|
) ([]types.StateEntryList, error) {
|
|
return d.statements.bulkSelectFilteredStateBlockEntries(
|
|
ctx, stateBlockNIDs, stateKeyTuples,
|
|
)
|
|
}
|
|
|
|
// MembershipUpdater implements input.RoomEventDatabase
|
|
func (d *Database) MembershipUpdater(
|
|
ctx context.Context, roomID, targetUserID string,
|
|
) (types.MembershipUpdater, error) {
|
|
txn, err := d.db.Begin()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
succeeded := false
|
|
defer func() {
|
|
if !succeeded {
|
|
txn.Rollback() // nolint: errcheck
|
|
}
|
|
}()
|
|
|
|
roomNID, err := d.assignRoomNID(ctx, txn, roomID)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
targetUserNID, err := d.assignStateKeyNID(ctx, txn, targetUserID)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
updater, err := d.membershipUpdaterTxn(ctx, txn, roomNID, targetUserNID)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
succeeded = true
|
|
return updater, nil
|
|
}
|
|
|
|
type membershipUpdater struct {
|
|
transaction
|
|
d *Database
|
|
roomNID types.RoomNID
|
|
targetUserNID types.EventStateKeyNID
|
|
membership membershipState
|
|
}
|
|
|
|
func (d *Database) membershipUpdaterTxn(
|
|
ctx context.Context,
|
|
txn *sql.Tx,
|
|
roomNID types.RoomNID,
|
|
targetUserNID types.EventStateKeyNID,
|
|
) (types.MembershipUpdater, error) {
|
|
|
|
if err := d.statements.insertMembership(ctx, txn, roomNID, targetUserNID); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
membership, err := d.statements.selectMembershipForUpdate(ctx, txn, roomNID, targetUserNID)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return &membershipUpdater{
|
|
transaction{ctx, txn}, d, roomNID, targetUserNID, membership,
|
|
}, nil
|
|
}
|
|
|
|
// IsInvite implements types.MembershipUpdater
|
|
func (u *membershipUpdater) IsInvite() bool {
|
|
return u.membership == membershipStateInvite
|
|
}
|
|
|
|
// IsJoin implements types.MembershipUpdater
|
|
func (u *membershipUpdater) IsJoin() bool {
|
|
return u.membership == membershipStateJoin
|
|
}
|
|
|
|
// IsLeave implements types.MembershipUpdater
|
|
func (u *membershipUpdater) IsLeave() bool {
|
|
return u.membership == membershipStateLeaveOrBan
|
|
}
|
|
|
|
// SetToInvite implements types.MembershipUpdater
|
|
func (u *membershipUpdater) SetToInvite(event gomatrixserverlib.Event) (bool, error) {
|
|
senderUserNID, err := u.d.assignStateKeyNID(u.ctx, u.txn, event.Sender())
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
inserted, err := u.d.statements.insertInviteEvent(
|
|
u.ctx, u.txn, event.EventID(), u.roomNID, u.targetUserNID, senderUserNID, event.JSON(),
|
|
)
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
if u.membership != membershipStateInvite {
|
|
if err = u.d.statements.updateMembership(
|
|
u.ctx, u.txn, u.roomNID, u.targetUserNID, senderUserNID, membershipStateInvite, 0,
|
|
); err != nil {
|
|
return false, err
|
|
}
|
|
}
|
|
return inserted, nil
|
|
}
|
|
|
|
// SetToJoin implements types.MembershipUpdater
|
|
func (u *membershipUpdater) SetToJoin(senderUserID string, eventID string, isUpdate bool) ([]string, error) {
|
|
var inviteEventIDs []string
|
|
|
|
senderUserNID, err := u.d.assignStateKeyNID(u.ctx, u.txn, senderUserID)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// If this is a join event update, there is no invite to update
|
|
if !isUpdate {
|
|
inviteEventIDs, err = u.d.statements.updateInviteRetired(
|
|
u.ctx, u.txn, u.roomNID, u.targetUserNID,
|
|
)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
// Look up the NID of the new join event
|
|
nIDs, err := u.d.EventNIDs(u.ctx, []string{eventID})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if u.membership != membershipStateJoin || isUpdate {
|
|
if err = u.d.statements.updateMembership(
|
|
u.ctx, u.txn, u.roomNID, u.targetUserNID, senderUserNID,
|
|
membershipStateJoin, nIDs[eventID],
|
|
); err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
return inviteEventIDs, nil
|
|
}
|
|
|
|
// SetToLeave implements types.MembershipUpdater
|
|
func (u *membershipUpdater) SetToLeave(senderUserID string, eventID string) ([]string, error) {
|
|
senderUserNID, err := u.d.assignStateKeyNID(u.ctx, u.txn, senderUserID)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
inviteEventIDs, err := u.d.statements.updateInviteRetired(
|
|
u.ctx, u.txn, u.roomNID, u.targetUserNID,
|
|
)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// Look up the NID of the new leave event
|
|
nIDs, err := u.d.EventNIDs(u.ctx, []string{eventID})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if u.membership != membershipStateLeaveOrBan {
|
|
if err = u.d.statements.updateMembership(
|
|
u.ctx, u.txn, u.roomNID, u.targetUserNID, senderUserNID,
|
|
membershipStateLeaveOrBan, nIDs[eventID],
|
|
); err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
return inviteEventIDs, nil
|
|
}
|
|
|
|
// GetMembership implements query.RoomserverQueryAPIDB
|
|
func (d *Database) GetMembership(
|
|
ctx context.Context, roomNID types.RoomNID, requestSenderUserID string,
|
|
) (membershipEventNID types.EventNID, stillInRoom bool, err error) {
|
|
requestSenderUserNID, err := d.assignStateKeyNID(ctx, nil, requestSenderUserID)
|
|
if err != nil {
|
|
return
|
|
}
|
|
|
|
senderMembershipEventNID, senderMembership, err :=
|
|
d.statements.selectMembershipFromRoomAndTarget(
|
|
ctx, roomNID, requestSenderUserNID,
|
|
)
|
|
if err == sql.ErrNoRows {
|
|
// The user has never been a member of that room
|
|
return 0, false, nil
|
|
} else if err != nil {
|
|
return
|
|
}
|
|
|
|
return senderMembershipEventNID, senderMembership == membershipStateJoin, nil
|
|
}
|
|
|
|
// GetMembershipEventNIDsForRoom implements query.RoomserverQueryAPIDB
|
|
func (d *Database) GetMembershipEventNIDsForRoom(
|
|
ctx context.Context, roomNID types.RoomNID, joinOnly bool,
|
|
) ([]types.EventNID, error) {
|
|
if joinOnly {
|
|
return d.statements.selectMembershipsFromRoomAndMembership(
|
|
ctx, roomNID, membershipStateJoin,
|
|
)
|
|
}
|
|
|
|
return d.statements.selectMembershipsFromRoom(ctx, roomNID)
|
|
}
|
|
|
|
// EventsFromIDs implements query.RoomserverQueryAPIEventDB
|
|
func (d *Database) EventsFromIDs(ctx context.Context, eventIDs []string) ([]types.Event, error) {
|
|
nidMap, err := d.EventNIDs(ctx, eventIDs)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
var nids []types.EventNID
|
|
for _, nid := range nidMap {
|
|
nids = append(nids, nid)
|
|
}
|
|
|
|
return d.Events(ctx, nids)
|
|
}
|
|
|
|
type transaction struct {
|
|
ctx context.Context
|
|
txn *sql.Tx
|
|
}
|
|
|
|
// Commit implements types.Transaction
|
|
func (t *transaction) Commit() error {
|
|
return t.txn.Commit()
|
|
}
|
|
|
|
// Rollback implements types.Transaction
|
|
func (t *transaction) Rollback() error {
|
|
return t.txn.Rollback()
|
|
}
|