GoToSocial/internal/db/bundb/mention.go

93 lines
2.4 KiB
Go

/*
GoToSocial
Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
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 bundb
import (
"context"
"time"
"codeberg.org/gruf/go-cache/v3/result"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/log"
"github.com/uptrace/bun"
)
type mentionDB struct {
conn *DBConn
cache *result.Cache[*gtsmodel.Mention]
}
func (m *mentionDB) init() {
// Initialize notification result cache
m.cache = result.NewSized([]result.Lookup{
{Name: "ID"},
}, func(m1 *gtsmodel.Mention) *gtsmodel.Mention {
m2 := new(gtsmodel.Mention)
*m2 = *m1
return m2
}, 1000)
// Set cache TTL and start sweep routine
m.cache.SetTTL(time.Minute*5, false)
m.cache.Start(time.Second * 10)
}
func (m *mentionDB) newMentionQ(i interface{}) *bun.SelectQuery {
return m.conn.
NewSelect().
Model(i).
Relation("Status").
Relation("OriginAccount").
Relation("TargetAccount")
}
func (m *mentionDB) GetMention(ctx context.Context, id string) (*gtsmodel.Mention, db.Error) {
return m.cache.Load("ID", func() (*gtsmodel.Mention, error) {
var mention gtsmodel.Mention
q := m.newMentionQ(&mention).
Where("? = ?", bun.Ident("mention.id"), id)
if err := q.Scan(ctx); err != nil {
return nil, m.conn.ProcessError(err)
}
return &mention, nil
}, id)
}
func (m *mentionDB) GetMentions(ctx context.Context, ids []string) ([]*gtsmodel.Mention, db.Error) {
mentions := make([]*gtsmodel.Mention, 0, len(ids))
for _, id := range ids {
// Attempt fetch from DB
mention, err := m.GetMention(ctx, id)
if err != nil {
log.Errorf("GetMentions: error getting mention %q: %v", id, err)
continue
}
// Append mention
mentions = append(mentions, mention)
}
return mentions, nil
}