142 lines
4.4 KiB
Go
142 lines
4.4 KiB
Go
// Copyright 2024 New Vector Ltd.
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// Copyright 2019, 2020 The Matrix.org Foundation C.I.C.
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// Copyright 2017, 2018 New Vector Ltd
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//
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// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
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// Please see LICENSE files in the repository root for full details.
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package postgres
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import (
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"context"
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"database/sql"
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"github.com/element-hq/dendrite/internal"
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"github.com/element-hq/dendrite/internal/sqlutil"
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"github.com/element-hq/dendrite/syncapi/storage/tables"
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"github.com/element-hq/dendrite/syncapi/synctypes"
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"github.com/element-hq/dendrite/syncapi/types"
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"github.com/lib/pq"
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)
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const accountDataSchema = `
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-- This sequence is shared between all the tables generated from kafka logs.
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CREATE SEQUENCE IF NOT EXISTS syncapi_stream_id;
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-- Stores the types of account data that a user set has globally and in each room
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-- and the stream ID when that type was last updated.
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CREATE TABLE IF NOT EXISTS syncapi_account_data_type (
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-- An incrementing ID which denotes the position in the log that this event resides at.
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id BIGINT PRIMARY KEY DEFAULT nextval('syncapi_stream_id'),
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-- ID of the user the data belongs to
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user_id TEXT NOT NULL,
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-- ID of the room the data is related to (empty string if not related to a specific room)
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room_id TEXT NOT NULL,
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-- Type of the data
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type TEXT NOT NULL,
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-- We don't want two entries of the same type for the same user
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CONSTRAINT syncapi_account_data_unique UNIQUE (user_id, room_id, type)
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);
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CREATE UNIQUE INDEX IF NOT EXISTS syncapi_account_data_id_idx ON syncapi_account_data_type(id, type);
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`
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const insertAccountDataSQL = "" +
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"INSERT INTO syncapi_account_data_type (user_id, room_id, type) VALUES ($1, $2, $3)" +
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" ON CONFLICT ON CONSTRAINT syncapi_account_data_unique" +
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" DO UPDATE SET id = nextval('syncapi_stream_id')" +
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" RETURNING id"
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const selectAccountDataInRangeSQL = "" +
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"SELECT id, room_id, type FROM syncapi_account_data_type" +
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" WHERE user_id = $1 AND id > $2 AND id <= $3" +
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" AND ( $4::text[] IS NULL OR type LIKE ANY($4) )" +
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" AND ( $5::text[] IS NULL OR NOT(type LIKE ANY($5)) )" +
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" ORDER BY id ASC LIMIT $6"
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const selectMaxAccountDataIDSQL = "" +
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"SELECT MAX(id) FROM syncapi_account_data_type"
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type accountDataStatements struct {
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insertAccountDataStmt *sql.Stmt
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selectAccountDataInRangeStmt *sql.Stmt
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selectMaxAccountDataIDStmt *sql.Stmt
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}
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func NewPostgresAccountDataTable(db *sql.DB) (tables.AccountData, error) {
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s := &accountDataStatements{}
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_, err := db.Exec(accountDataSchema)
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if err != nil {
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return nil, err
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}
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return s, sqlutil.StatementList{
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{&s.insertAccountDataStmt, insertAccountDataSQL},
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{&s.selectAccountDataInRangeStmt, selectAccountDataInRangeSQL},
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{&s.selectMaxAccountDataIDStmt, selectMaxAccountDataIDSQL},
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}.Prepare(db)
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}
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func (s *accountDataStatements) InsertAccountData(
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ctx context.Context, txn *sql.Tx,
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userID, roomID, dataType string,
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) (pos types.StreamPosition, err error) {
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err = s.insertAccountDataStmt.QueryRowContext(ctx, userID, roomID, dataType).Scan(&pos)
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return
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}
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func (s *accountDataStatements) SelectAccountDataInRange(
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ctx context.Context, txn *sql.Tx,
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userID string,
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r types.Range,
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accountDataEventFilter *synctypes.EventFilter,
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) (data map[string][]string, pos types.StreamPosition, err error) {
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data = make(map[string][]string)
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rows, err := sqlutil.TxStmt(txn, s.selectAccountDataInRangeStmt).QueryContext(
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ctx, userID, r.Low(), r.High(),
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pq.StringArray(filterConvertTypeWildcardToSQL(accountDataEventFilter.Types)),
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pq.StringArray(filterConvertTypeWildcardToSQL(accountDataEventFilter.NotTypes)),
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accountDataEventFilter.Limit,
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)
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if err != nil {
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return
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}
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defer internal.CloseAndLogIfError(ctx, rows, "selectAccountDataInRange: rows.close() failed")
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var dataType string
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var roomID string
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var id types.StreamPosition
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for rows.Next() {
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if err = rows.Scan(&id, &roomID, &dataType); err != nil {
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return
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}
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if len(data[roomID]) > 0 {
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data[roomID] = append(data[roomID], dataType)
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} else {
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data[roomID] = []string{dataType}
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}
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if id > pos {
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pos = id
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}
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}
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if pos == 0 {
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pos = r.High()
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}
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return data, pos, rows.Err()
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}
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func (s *accountDataStatements) SelectMaxAccountDataID(
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ctx context.Context, txn *sql.Tx,
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) (id int64, err error) {
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var nullableID sql.NullInt64
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stmt := sqlutil.TxStmt(txn, s.selectMaxAccountDataIDStmt)
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err = stmt.QueryRowContext(ctx).Scan(&nullableID)
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if nullableID.Valid {
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id = nullableID.Int64
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}
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return
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}
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