You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
51 lines
1.7 KiB
51 lines
1.7 KiB
// 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 cache |
|
|
|
import ( |
|
"errors" |
|
|
|
errorsv2 "codeberg.org/gruf/go-errors/v2" |
|
"github.com/superseriousbusiness/gotosocial/internal/db" |
|
) |
|
|
|
// SentinelError is an error that can be returned and checked against to indicate a non-permanent |
|
// error return from a cache loader callback, e.g. a temporary situation that will soon be fixed. |
|
var SentinelError = errors.New("BUG: error should not be returned") //nolint:revive |
|
|
|
// ignoreErrors is an error matching function used to signal which errors |
|
// the result caches should NOT hold onto. these amount to anything non-permanent. |
|
func ignoreErrors(err error) bool { |
|
return !errorsv2.IsV2( |
|
err, |
|
|
|
// the only cacheable errs, |
|
// i.e anything permanent |
|
// (until invalidation). |
|
db.ErrNoEntries, |
|
db.ErrAlreadyExists, |
|
) |
|
} |
|
|
|
// nocopy when embedded will signal linter to |
|
// error on pass-by-value of parent struct. |
|
type nocopy struct{} |
|
|
|
func (*nocopy) Lock() {} |
|
|
|
func (*nocopy) Unlock() {}
|
|
|