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/*
GoToSocial
Copyright (C) 2021-2023 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"
"errors"
"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) PruneAllMeta(ctx context.Context) (int, error) {
var (
totalPruned int
maxID string
)
for {
// select "selectPruneLimit" headers / avatars at a time for pruning
attachments, err := m.db.GetAvatarsAndHeaders(ctx, maxID, selectPruneLimit)
if err != nil && !errors.Is(err, db.ErrNoEntries) {
return totalPruned, err
} else if len(attachments) == 0 {
break
}
// use the id of the last attachment in the slice as the next 'maxID' value
log.Tracef("PruneAllMeta: got %d attachments with maxID < %s", len(attachments), maxID)
maxID = attachments[len(attachments)-1].ID
// prune each attachment that meets one of the following criteria:
// - has no owning account in the database
// - is a header but isn't the owning account's current header
// - is an avatar but isn't the owning account's current avatar
for _, attachment := range attachments {
if attachment.Account == nil ||
(*attachment.Header && attachment.ID != attachment.Account.HeaderMediaAttachmentID) ||
(*attachment.Avatar && attachment.ID != attachment.Account.AvatarMediaAttachmentID) {
if err := m.pruneOneAvatarOrHeader(ctx, attachment); err != nil {
return totalPruned, err
}
totalPruned++
}
}
}
log.Infof("PruneAllMeta: finished pruning avatars + headers: pruned %d entries", totalPruned)
return totalPruned, nil
}
func (m *manager) pruneOneAvatarOrHeader(ctx context.Context, attachment *gtsmodel.MediaAttachment) error {
if attachment.File.Path != "" {
// delete the full size attachment from storage
log.Tracef("pruneOneAvatarOrHeader: deleting %s", attachment.File.Path)
if err := m.storage.Delete(ctx, attachment.File.Path); err != nil && err != storage.ErrNotFound {
return err
}
}
if attachment.Thumbnail.Path != "" {
// delete the thumbnail from storage
log.Tracef("pruneOneAvatarOrHeader: deleting %s", attachment.Thumbnail.Path)
if err := m.storage.Delete(ctx, attachment.Thumbnail.Path); err != nil && err != storage.ErrNotFound {
return err
}
}
// delete the attachment entry completely
return m.db.DeleteByID(ctx, attachment.ID, >smodel.MediaAttachment{})
}
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