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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 sqlite3
import (
"context"
"database/sql"
"github.com/matrix-org/dendrite/internal"
"github.com/matrix-org/dendrite/internal/sqlutil"
"github.com/matrix-org/dendrite/roomserver/storage/tables"
)
const publishedSchema = `
-- Stores which rooms are published in the room directory
CREATE TABLE IF NOT EXISTS roomserver_published (
-- The room ID of the room
room_id TEXT NOT NULL PRIMARY KEY,
-- Whether it is published or not
published BOOLEAN NOT NULL DEFAULT false
);
`
const upsertPublishedSQL = "" +
"INSERT OR REPLACE INTO roomserver_published (room_id, published) VALUES ($1, $2)"
const selectAllPublishedSQL = "" +
"SELECT room_id FROM roomserver_published WHERE published = $1 ORDER BY room_id ASC"
const selectPublishedSQL = "" +
"SELECT published FROM roomserver_published WHERE room_id = $1"
type publishedStatements struct {
db *sql.DB
upsertPublishedStmt *sql.Stmt
selectAllPublishedStmt *sql.Stmt
selectPublishedStmt *sql.Stmt
}
func CreatePublishedTable(db *sql.DB) error {
_, err := db.Exec(publishedSchema)
return err
}
func PreparePublishedTable(db *sql.DB) (tables.Published, error) {
s := &publishedStatements{
db: db,
}
return s, sqlutil.StatementList{
{&s.upsertPublishedStmt, upsertPublishedSQL},
{&s.selectAllPublishedStmt, selectAllPublishedSQL},
{&s.selectPublishedStmt, selectPublishedSQL},
}.Prepare(db)
}
func (s *publishedStatements) UpsertRoomPublished(
ctx context.Context, txn *sql.Tx, roomID string, published bool,
) error {
stmt := sqlutil.TxStmt(txn, s.upsertPublishedStmt)
_, err := stmt.ExecContext(ctx, roomID, published)
return err
}
func (s *publishedStatements) SelectPublishedFromRoomID(
ctx context.Context, txn *sql.Tx, roomID string,
) (published bool, err error) {
stmt := sqlutil.TxStmt(txn, s.selectPublishedStmt)
err = stmt.QueryRowContext(ctx, roomID).Scan(&published)
if err == sql.ErrNoRows {
return false, nil
}
return
}
func (s *publishedStatements) SelectAllPublishedRooms(
ctx context.Context, txn *sql.Tx, published bool,
) ([]string, error) {
stmt := sqlutil.TxStmt(txn, s.selectAllPublishedStmt)
rows, err := stmt.QueryContext(ctx, published)
if err != nil {
return nil, err
}
defer internal.CloseAndLogIfError(ctx, rows, "selectAllPublishedStmt: rows.close() failed")
var roomIDs []string
var roomID string
for rows.Next() {
if err = rows.Scan(&roomID); err != nil {
return nil, err
}
roomIDs = append(roomIDs, roomID)
}
return roomIDs, rows.Err()
}
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