GoToSocial/internal/media/pruneremote.go

98 lines
3.2 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 media
import (
"context"
"fmt"
"codeberg.org/gruf/go-store/v2/storage"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/log"
)
func (m *manager) PruneAllRemote(ctx context.Context, olderThanDays int) (int, error) {
var totalPruned int
olderThan, err := parseOlderThan(olderThanDays)
if err != nil {
return totalPruned, fmt.Errorf("PruneAllRemote: error parsing olderThanDays %d: %s", olderThanDays, err)
}
log.Infof("PruneAllRemote: pruning media older than %s", olderThan)
// select 20 attachments at a time and prune them
for attachments, err := m.db.GetRemoteOlderThan(ctx, olderThan, selectPruneLimit); err == nil && len(attachments) != 0; attachments, err = m.db.GetRemoteOlderThan(ctx, olderThan, selectPruneLimit) {
// use the age of the oldest attachment (the last one in the slice) as the next 'older than' value
l := len(attachments)
log.Tracef("PruneAllRemote: got %d attachments older than %s", l, olderThan)
olderThan = attachments[l-1].CreatedAt
// prune each attachment
for _, attachment := range attachments {
if err := m.pruneOneRemote(ctx, attachment); err != nil {
return totalPruned, err
}
totalPruned++
}
}
// make sure we don't have a real error when we leave the loop
if err != nil && err != db.ErrNoEntries {
return totalPruned, err
}
log.Infof("PruneAllRemote: finished pruning remote media: pruned %d entries", totalPruned)
return totalPruned, nil
}
func (m *manager) pruneOneRemote(ctx context.Context, attachment *gtsmodel.MediaAttachment) error {
var changed bool
if attachment.File.Path != "" {
// delete the full size attachment from storage
log.Tracef("pruneOneRemote: deleting %s", attachment.File.Path)
if err := m.storage.Delete(ctx, attachment.File.Path); err != nil && err != storage.ErrNotFound {
return err
}
cached := false
attachment.Cached = &cached
changed = true
}
if attachment.Thumbnail.Path != "" {
// delete the thumbnail from storage
log.Tracef("pruneOneRemote: deleting %s", attachment.Thumbnail.Path)
if err := m.storage.Delete(ctx, attachment.Thumbnail.Path); err != nil && err != storage.ErrNotFound {
return err
}
cached := false
attachment.Cached = &cached
changed = true
}
// update the attachment to reflect that we no longer have it cached
if changed {
return m.db.UpdateByID(ctx, attachment, attachment.ID, "updated_at", "cached")
}
return nil
}