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edcee14d07
* [feature] Read + Write tombstones for deleted Actors * copyTombstone * update to use resultcache instead of old ttl cache Signed-off-by: kim <grufwub@gmail.com> * update go-cache library to fix result cache capacity / ordering bugs Signed-off-by: kim <grufwub@gmail.com> * bump go-cache/v3 to v3.1.6 to fix bugs Signed-off-by: kim <grufwub@gmail.com> * switch on status code * better explain ErrGone reasoning Signed-off-by: kim <grufwub@gmail.com> Co-authored-by: kim <grufwub@gmail.com>
102 lines
2.6 KiB
Go
102 lines
2.6 KiB
Go
/*
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GoToSocial
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Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package bundb
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import (
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"context"
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"time"
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"github.com/superseriousbusiness/gotosocial/internal/db"
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"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
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"github.com/uptrace/bun"
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"codeberg.org/gruf/go-cache/v3/result"
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)
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type tombstoneDB struct {
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conn *DBConn
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cache *result.Cache[*gtsmodel.Tombstone]
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}
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func (t *tombstoneDB) init() {
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// Initialize tombstone result cache
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t.cache = result.NewSized([]string{
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"ID",
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"URI",
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}, func(t1 *gtsmodel.Tombstone) *gtsmodel.Tombstone {
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t2 := new(gtsmodel.Tombstone)
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*t2 = *t1
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return t2
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}, 1000)
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// Set cache TTL and start sweep routine
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t.cache.SetTTL(time.Minute*5, false)
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t.cache.Start(time.Second * 10)
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}
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func (t *tombstoneDB) GetTombstoneByURI(ctx context.Context, uri string) (*gtsmodel.Tombstone, db.Error) {
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return t.cache.Load("URI", func() (*gtsmodel.Tombstone, error) {
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var tomb gtsmodel.Tombstone
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q := t.conn.
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NewSelect().
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Model(&tomb).
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Where("? = ?", bun.Ident("tombstone.uri"), uri)
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if err := q.Scan(ctx); err != nil {
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return nil, t.conn.ProcessError(err)
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}
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return &tomb, nil
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}, uri)
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}
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func (t *tombstoneDB) TombstoneExistsWithURI(ctx context.Context, uri string) (bool, db.Error) {
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tomb, err := t.GetTombstoneByURI(ctx, uri)
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if err == db.ErrNoEntries {
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err = nil
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}
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return (tomb != nil), err
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}
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func (t *tombstoneDB) PutTombstone(ctx context.Context, tombstone *gtsmodel.Tombstone) db.Error {
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return t.cache.Store(tombstone, func() error {
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_, err := t.conn.
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NewInsert().
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Model(tombstone).
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Exec(ctx)
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return t.conn.ProcessError(err)
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})
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}
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func (t *tombstoneDB) DeleteTombstone(ctx context.Context, id string) db.Error {
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if _, err := t.conn.
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NewDelete().
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TableExpr("? AS ?", bun.Ident("tombstones"), bun.Ident("tombstone")).
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Where("? = ?", bun.Ident("tombstone.id"), id).
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Exec(ctx); err != nil {
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return t.conn.ProcessError(err)
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}
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// Invalidate from cache by ID
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t.cache.Invalidate("ID", id)
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return nil
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}
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