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dendrite/syncapi/storage/sqlite3/notification_data_table.go
Neil Alexander 3f9e38e80a
Consistent *sql.Tx usage across sync API (#2744)
This tidies up the `storage` package so that everything takes a
transaction parameter instead of something things that do and some that
don't.
2022-09-28 10:18:03 +01:00

126 lines
4.4 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"
"strings"
"github.com/matrix-org/dendrite/internal"
"github.com/matrix-org/dendrite/internal/eventutil"
"github.com/matrix-org/dendrite/internal/sqlutil"
"github.com/matrix-org/dendrite/syncapi/storage/tables"
"github.com/matrix-org/dendrite/syncapi/types"
)
func NewSqliteNotificationDataTable(db *sql.DB, streamID *StreamIDStatements) (tables.NotificationData, error) {
_, err := db.Exec(notificationDataSchema)
if err != nil {
return nil, err
}
r := &notificationDataStatements{
streamIDStatements: streamID,
db: db,
}
return r, sqlutil.StatementList{
{&r.upsertRoomUnreadCounts, upsertRoomUnreadNotificationCountsSQL},
{&r.selectMaxID, selectMaxNotificationIDSQL},
// {&r.selectUserUnreadCountsForRooms, selectUserUnreadNotificationsForRooms}, // used at runtime
}.Prepare(db)
}
type notificationDataStatements struct {
db *sql.DB
streamIDStatements *StreamIDStatements
upsertRoomUnreadCounts *sql.Stmt
selectMaxID *sql.Stmt
//selectUserUnreadCountsForRooms *sql.Stmt
}
const notificationDataSchema = `
CREATE TABLE IF NOT EXISTS syncapi_notification_data (
id INTEGER PRIMARY KEY,
user_id TEXT NOT NULL,
room_id TEXT NOT NULL,
notification_count BIGINT NOT NULL DEFAULT 0,
highlight_count BIGINT NOT NULL DEFAULT 0,
CONSTRAINT syncapi_notifications_unique UNIQUE (user_id, room_id)
);`
const upsertRoomUnreadNotificationCountsSQL = `INSERT INTO syncapi_notification_data
(user_id, room_id, notification_count, highlight_count)
VALUES ($1, $2, $3, $4)
ON CONFLICT (user_id, room_id)
DO UPDATE SET id = $5, notification_count = $6, highlight_count = $7`
const selectUserUnreadNotificationsForRooms = `SELECT room_id, notification_count, highlight_count
FROM syncapi_notification_data
WHERE user_id = $1 AND
room_id IN ($2)`
const selectMaxNotificationIDSQL = `SELECT CASE COUNT(*) WHEN 0 THEN 0 ELSE MAX(id) END FROM syncapi_notification_data`
func (r *notificationDataStatements) UpsertRoomUnreadCounts(ctx context.Context, txn *sql.Tx, userID, roomID string, notificationCount, highlightCount int) (pos types.StreamPosition, err error) {
pos, err = r.streamIDStatements.nextNotificationID(ctx, nil)
if err != nil {
return
}
_, err = r.upsertRoomUnreadCounts.ExecContext(ctx, userID, roomID, notificationCount, highlightCount, pos, notificationCount, highlightCount)
return
}
func (r *notificationDataStatements) SelectUserUnreadCountsForRooms(
ctx context.Context, txn *sql.Tx, userID string, roomIDs []string,
) (map[string]*eventutil.NotificationData, error) {
params := make([]interface{}, len(roomIDs)+1)
params[0] = userID
for i := range roomIDs {
params[i+1] = roomIDs[i]
}
sql := strings.Replace(selectUserUnreadNotificationsForRooms, "($2)", sqlutil.QueryVariadicOffset(len(roomIDs), 1), 1)
prep, err := r.db.PrepareContext(ctx, sql)
if err != nil {
return nil, err
}
defer internal.CloseAndLogIfError(ctx, prep, "SelectUserUnreadCountsForRooms: prep.close() failed")
rows, err := sqlutil.TxStmt(txn, prep).QueryContext(ctx, params...)
if err != nil {
return nil, err
}
defer internal.CloseAndLogIfError(ctx, rows, "SelectUserUnreadCountsForRooms: rows.close() failed")
roomCounts := map[string]*eventutil.NotificationData{}
var roomID string
var notificationCount, highlightCount int
for rows.Next() {
if err = rows.Scan(&roomID, &notificationCount, &highlightCount); err != nil {
return nil, err
}
roomCounts[roomID] = &eventutil.NotificationData{
RoomID: roomID,
UnreadNotificationCount: notificationCount,
UnreadHighlightCount: highlightCount,
}
}
return roomCounts, rows.Err()
}
func (r *notificationDataStatements) SelectMaxID(ctx context.Context, txn *sql.Tx) (int64, error) {
var id int64
err := sqlutil.TxStmt(txn, r.selectMaxID).QueryRowContext(ctx).Scan(&id)
return id, err
}