gotosocial/internal/db/notification.go
kim 5f3e095717
[performance] retry db queries on busy errors (#2025)
* catch SQLITE_BUSY errors, wrap bun.DB to use our own busy retrier, remove unnecessary db.Error type

Signed-off-by: kim <grufwub@gmail.com>

* remove dead code

Signed-off-by: kim <grufwub@gmail.com>

* remove more dead code, add missing error arguments

Signed-off-by: kim <grufwub@gmail.com>

* update sqlite to use maxOpenConns()

Signed-off-by: kim <grufwub@gmail.com>

* add uncommitted changes

Signed-off-by: kim <grufwub@gmail.com>

* use direct calls-through for the ConnIface to make sure we don't double query hook

Signed-off-by: kim <grufwub@gmail.com>

* expose underlying bun.DB better

Signed-off-by: kim <grufwub@gmail.com>

* retry on the correct busy error

Signed-off-by: kim <grufwub@gmail.com>

* use longer possible maxRetries for db retry-backoff

Signed-off-by: kim <grufwub@gmail.com>

* remove the note regarding max-open-conns only applying to postgres

Signed-off-by: kim <grufwub@gmail.com>

* improved code commenting

Signed-off-by: kim <grufwub@gmail.com>

* remove unnecessary infof call (just use info)

Signed-off-by: kim <grufwub@gmail.com>

* rename DBConn to WrappedDB to better follow sql package name conventions

Signed-off-by: kim <grufwub@gmail.com>

* update test error string checks

Signed-off-by: kim <grufwub@gmail.com>

* shush linter

Signed-off-by: kim <grufwub@gmail.com>

* update backoff logic to be more transparent

Signed-off-by: kim <grufwub@gmail.com>

---------

Signed-off-by: kim <grufwub@gmail.com>
2023-07-25 10:34:05 +02:00

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3.1 KiB
Go

// GoToSocial
// Copyright (C) GoToSocial Authors admin@gotosocial.org
// SPDX-License-Identifier: AGPL-3.0-or-later
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package db
import (
"context"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
)
// Notification contains functions for creating and getting notifications.
type Notification interface {
// GetNotifications returns a slice of notifications that pertain to the given accountID.
//
// Returned notifications will be ordered ID descending (ie., highest/newest to lowest/oldest).
GetAccountNotifications(ctx context.Context, accountID string, maxID string, sinceID string, minID string, limit int, excludeTypes []string) ([]*gtsmodel.Notification, error)
// GetNotification returns one notification according to its id.
GetNotificationByID(ctx context.Context, id string) (*gtsmodel.Notification, error)
// GetNotification gets one notification according to the provided parameters, if it exists.
// Since not all notifications are about a status, statusID can be an empty string.
GetNotification(ctx context.Context, notificationType gtsmodel.NotificationType, targetAccountID string, originAccountID string, statusID string) (*gtsmodel.Notification, error)
// PutNotification will insert the given notification into the database.
PutNotification(ctx context.Context, notif *gtsmodel.Notification) error
// DeleteNotificationByID deletes one notification according to its id,
// and removes that notification from the in-memory cache.
DeleteNotificationByID(ctx context.Context, id string) error
// DeleteNotifications mass deletes notifications targeting targetAccountID
// and/or originating from originAccountID.
//
// If targetAccountID is set and originAccountID isn't, all notifications
// that target the given account will be deleted.
//
// If originAccountID is set and targetAccountID isn't, all notifications
// originating from the given account will be deleted.
//
// If both are set, then notifications that target targetAccountID and
// originate from originAccountID will be deleted.
//
// At least one parameter must not be an empty string.
DeleteNotifications(ctx context.Context, types []string, targetAccountID string, originAccountID string) error
// DeleteNotificationsForStatus deletes all notifications that relate to
// the given statusID. This function is useful when a status has been deleted,
// and so notifications relating to that status must also be deleted.
DeleteNotificationsForStatus(ctx context.Context, statusID string) error
}