gotosocial/internal/db/bundb/notification.go
Artémis 4fdbef04b4
[feature] Implemented notification clear (#720)
* Implemented notification clear

* Added the cache clear mechanism

* added multi user check test
2022-08-01 11:13:49 +02:00

124 lines
3 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"
"codeberg.org/gruf/go-cache/v2"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/log"
)
type notificationDB struct {
conn *DBConn
cache cache.Cache[string, *gtsmodel.Notification]
}
func (n *notificationDB) GetNotification(ctx context.Context, id string) (*gtsmodel.Notification, db.Error) {
if notification, ok := n.cache.Get(id); ok {
return notification, nil
}
dst := gtsmodel.Notification{ID: id}
q := n.conn.NewSelect().
Model(&dst).
Relation("OriginAccount").
Relation("TargetAccount").
Relation("Status").
WherePK()
if err := q.Scan(ctx); err != nil {
return nil, n.conn.ProcessError(err)
}
copy := dst
n.cache.Set(id, &copy)
return &dst, nil
}
func (n *notificationDB) GetNotifications(ctx context.Context, accountID string, limit int, maxID string, sinceID string) ([]*gtsmodel.Notification, db.Error) {
// Ensure reasonable
if limit < 0 {
limit = 0
}
// Make a guess for slice size
notifIDs := make([]string, 0, limit)
q := n.conn.
NewSelect().
Table("notifications").
Column("id")
if maxID != "" {
q = q.Where("id < ?", maxID)
}
if sinceID != "" {
q = q.Where("id > ?", sinceID)
}
q = q.
Where("target_account_id = ?", accountID).
Order("id DESC")
if limit != 0 {
q = q.Limit(limit)
}
if err := q.Scan(ctx, &notifIDs); err != nil {
return nil, n.conn.ProcessError(err)
}
notifs := make([]*gtsmodel.Notification, 0, limit)
// now we have the IDs, select the notifs one by one
// reason for this is that for each notif, we can instead get it from our cache if it's cached
for _, id := range notifIDs {
// Attempt fetch from DB
notif, err := n.GetNotification(ctx, id)
if err != nil {
log.Errorf("GetNotifications: error getting notification %q: %v", id, err)
continue
}
// Append notification
notifs = append(notifs, notif)
}
return notifs, nil
}
func (n *notificationDB) ClearNotifications(ctx context.Context, accountID string) db.Error {
if _, err := n.conn.
NewDelete().
Table("notifications").
Where("target_account_id = ?", accountID).
Exec(ctx); err != nil {
return n.conn.ProcessError(err)
}
n.cache.Clear()
return nil
}