Files
nekonest-cloud/relay/internal/tenantstore/push.go
T

77 lines
2.1 KiB
Go

package tenantstore
import (
"time"
corestore "github.com/klarkxy/nekonest/relaycore/store"
)
const maxPushSubscriptionsPerDevice = 32
// PushSubscription represents a Web Push subscription.
type PushSubscription = corestore.PushSubscription
// SavePushSubscription stores one endpoint mapping per device. A browser reuses
// the same endpoint while the user subscribes to multiple devices.
func (db *DB) SavePushSubscription(sub *PushSubscription) error {
now := time.Now().Unix()
tx, err := db.conn.Begin()
if err != nil {
return err
}
defer tx.Rollback()
if _, err = tx.Exec(`
INSERT INTO push_subscriptions (device_id, phone_id, endpoint, p256dh, auth, created_at)
VALUES (?, ?, ?, ?, ?, ?)
ON CONFLICT(endpoint, device_id) DO UPDATE SET
phone_id = excluded.phone_id,
p256dh = excluded.p256dh,
auth = excluded.auth,
created_at = excluded.created_at`,
sub.DeviceID, sub.PhoneID, sub.Endpoint, sub.P256DH, sub.Auth, now,
); err != nil {
return err
}
if _, err = tx.Exec(`
DELETE FROM push_subscriptions
WHERE id IN (
SELECT id FROM push_subscriptions
WHERE device_id = ?
ORDER BY created_at DESC, id DESC
LIMIT -1 OFFSET ?
)`,
sub.DeviceID, maxPushSubscriptionsPerDevice,
); err != nil {
return err
}
return tx.Commit()
}
// GetPushSubscriptions returns all subscriptions for a device.
func (db *DB) GetPushSubscriptions(deviceID string) ([]*PushSubscription, error) {
rows, err := db.conn.Query(
`SELECT id, device_id, phone_id, endpoint, p256dh, auth FROM push_subscriptions WHERE device_id = ?`,
deviceID,
)
if err != nil {
return nil, err
}
defer rows.Close()
var subs []*PushSubscription
for rows.Next() {
sub := &PushSubscription{}
if err := rows.Scan(&sub.ID, &sub.DeviceID, &sub.PhoneID, &sub.Endpoint, &sub.P256DH, &sub.Auth); err != nil {
return nil, err
}
subs = append(subs, sub)
}
return subs, nil
}
// DeletePushSubscription removes a subscription by endpoint.
func (db *DB) DeletePushSubscription(endpoint string) error {
_, err := db.conn.Exec(`DELETE FROM push_subscriptions WHERE endpoint = ?`, endpoint)
return err
}