dendrite/syncapi/storage/sqlite3/receipt_table.go
2020-10-15 09:52:10 +02:00

115 lines
3.7 KiB
Go

// 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/syncapi/types"
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/dendrite/eduserver/api"
"github.com/matrix-org/dendrite/internal/sqlutil"
"github.com/matrix-org/dendrite/syncapi/storage/tables"
"github.com/pkg/errors"
)
const receiptsSchema = `
-- Stores data about receipts
CREATE TABLE IF NOT EXISTS syncapi_receipts (
-- The ID
id BIGINT,
room_id TEXT NOT NULL,
receipt_type TEXT NOT NULL,
user_id TEXT NOT NULL,
event_id TEXT NOT NULL,
receipt_ts BIGINT NOT NULL,
CONSTRAINT syncapi_receipts_unique UNIQUE (room_id, receipt_type, user_id)
);
CREATE INDEX IF NOT EXISTS syncapi_receipts_room_id_idx ON syncapi_receipts(room_id);
`
const upsertReceipt = "" +
"INSERT INTO syncapi_receipts" +
" (id, room_id, receipt_type, user_id, event_id, receipt_ts)" +
" VALUES ($1, $2, $3, $4, $5, $6)" +
" ON CONFLICT (room_id, receipt_type, user_id)" +
" DO UPDATE SET id = $1, event_id = $5, receipt_ts = $6"
const selectRoomReceipts = "" +
"SELECT room_id, receipt_type, user_id, event_id, receipt_ts" +
" FROM syncapi_receipts" +
" WHERE room_id = $1 AND id > $2"
type receiptStatements struct {
db *sql.DB
streamIDStatements *streamIDStatements
upsertReceipt *sql.Stmt
selectRoomReceipts *sql.Stmt
}
func NewSqliteReceiptsTable(db *sql.DB, streamID *streamIDStatements) (tables.Receipts, error) {
_, err := db.Exec(receiptsSchema)
if err != nil {
return nil, err
}
r := &receiptStatements{
db: db,
streamIDStatements: streamID,
}
if r.upsertReceipt, err = db.Prepare(upsertReceipt); err != nil {
return nil, errors.Wrap(err, "unable to prepare upsertReceipt statement")
}
if r.selectRoomReceipts, err = db.Prepare(selectRoomReceipts); err != nil {
return nil, errors.Wrap(err, "unable to prepare selectRoomReceipts statement")
}
return r, nil
}
// UpsertReceipt creates new user receipts
func (r *receiptStatements) UpsertReceipt(ctx context.Context, txn *sql.Tx, roomId, receiptType, userId, eventId string, timestamp gomatrixserverlib.Timestamp) (pos types.StreamPosition, err error) {
pos, err = r.streamIDStatements.nextStreamID(ctx, txn)
if err != nil {
return
}
stmt := sqlutil.TxStmt(txn, r.upsertReceipt)
_, err = stmt.ExecContext(ctx, pos, roomId, receiptType, userId, eventId, timestamp)
return
}
// SelectRoomReceiptsAfter select all receipts for a given room after a specific timestamp
func (r *receiptStatements) SelectRoomReceiptsAfter(ctx context.Context, roomId string, streamPos types.StreamPosition) ([]api.InputReceiptEvent, error) {
rows, err := r.selectRoomReceipts.QueryContext(ctx, roomId, streamPos)
if err != nil {
return []api.InputReceiptEvent{}, errors.Wrap(err, "unable to query room receipts")
}
var res []api.InputReceiptEvent
for rows.Next() {
r := api.InputReceiptEvent{}
err = rows.Scan(&r.RoomID, &r.Type, &r.UserID, &r.EventID, &r.Timestamp)
if err != nil {
return res, errors.Wrap(err, "unable to scan row to types.Receipts")
}
res = append(res, r)
}
if rows.Err() != nil {
return res, errors.Wrap(err, "error while scanning rows")
}
return res, rows.Close()
}