gotosocial/internal/db/bundb/notification.go
kim e58d2d8122
[chore] move caches to a separate State{} structure (#1078)
* move caches to a separate State{} structure

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

* fix call to log.Panic not using formatted call

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

* move caches to use interfaces, to make switchouts easier in future

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

* fix rebase issue

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

* improve code comment

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

* fix further issues after rebase

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

* heh

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

* add missing license text

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

Signed-off-by: kim <grufwub@gmail.com>
2022-12-08 18:35:14 +01:00

119 lines
3.4 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"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/log"
"github.com/superseriousbusiness/gotosocial/internal/state"
"github.com/uptrace/bun"
)
type notificationDB struct {
conn *DBConn
state *state.State
}
func (n *notificationDB) GetNotification(ctx context.Context, id string) (*gtsmodel.Notification, db.Error) {
return n.state.Caches.GTS.Notification().Load("ID", func() (*gtsmodel.Notification, error) {
var notif gtsmodel.Notification
q := n.conn.NewSelect().
Model(&notif).
Where("? = ?", bun.Ident("notification.id"), id)
if err := q.Scan(ctx); err != nil {
return nil, n.conn.ProcessError(err)
}
return &notif, nil
}, id)
}
func (n *notificationDB) GetNotifications(ctx context.Context, accountID string, excludeTypes []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().
TableExpr("? AS ?", bun.Ident("notifications"), bun.Ident("notification")).
Column("notification.id")
if maxID != "" {
q = q.Where("? < ?", bun.Ident("notification.id"), maxID)
}
if sinceID != "" {
q = q.Where("? > ?", bun.Ident("notification.id"), sinceID)
}
for _, excludeType := range excludeTypes {
q = q.Where("? != ?", bun.Ident("notification.notification_type"), excludeType)
}
q = q.
Where("? = ?", bun.Ident("notification.target_account_id"), accountID).
Order("notification.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().
TableExpr("? AS ?", bun.Ident("notifications"), bun.Ident("notification")).
Where("? = ?", bun.Ident("notification.target_account_id"), accountID).
Exec(ctx); err != nil {
return n.conn.ProcessError(err)
}
n.state.Caches.GTS.Notification().Clear()
return nil
}