forked from mirrors/gotosocial
89 lines
3.1 KiB
Go
89 lines
3.1 KiB
Go
/*
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GoToSocial
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Copyright (C) 2021-2023 GoToSocial Authors admin@gotosocial.org
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package media
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import (
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"context"
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"errors"
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"codeberg.org/gruf/go-store/v2/storage"
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"github.com/superseriousbusiness/gotosocial/internal/db"
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"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
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"github.com/superseriousbusiness/gotosocial/internal/log"
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)
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func (m *manager) PruneAllMeta(ctx context.Context) (int, error) {
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var (
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totalPruned int
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maxID string
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)
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for {
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// select "selectPruneLimit" headers / avatars at a time for pruning
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attachments, err := m.db.GetAvatarsAndHeaders(ctx, maxID, selectPruneLimit)
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if err != nil && !errors.Is(err, db.ErrNoEntries) {
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return totalPruned, err
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} else if len(attachments) == 0 {
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break
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}
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// use the id of the last attachment in the slice as the next 'maxID' value
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log.Tracef("PruneAllMeta: got %d attachments with maxID < %s", len(attachments), maxID)
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maxID = attachments[len(attachments)-1].ID
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// prune each attachment that meets one of the following criteria:
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// - has no owning account in the database
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// - is a header but isn't the owning account's current header
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// - is an avatar but isn't the owning account's current avatar
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for _, attachment := range attachments {
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if attachment.Account == nil ||
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(*attachment.Header && attachment.ID != attachment.Account.HeaderMediaAttachmentID) ||
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(*attachment.Avatar && attachment.ID != attachment.Account.AvatarMediaAttachmentID) {
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if err := m.pruneOneAvatarOrHeader(ctx, attachment); err != nil {
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return totalPruned, err
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}
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totalPruned++
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}
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}
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}
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log.Infof("PruneAllMeta: finished pruning avatars + headers: pruned %d entries", totalPruned)
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return totalPruned, nil
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}
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func (m *manager) pruneOneAvatarOrHeader(ctx context.Context, attachment *gtsmodel.MediaAttachment) error {
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if attachment.File.Path != "" {
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// delete the full size attachment from storage
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log.Tracef("pruneOneAvatarOrHeader: deleting %s", attachment.File.Path)
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if err := m.storage.Delete(ctx, attachment.File.Path); err != nil && err != storage.ErrNotFound {
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return err
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}
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}
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if attachment.Thumbnail.Path != "" {
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// delete the thumbnail from storage
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log.Tracef("pruneOneAvatarOrHeader: deleting %s", attachment.Thumbnail.Path)
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if err := m.storage.Delete(ctx, attachment.Thumbnail.Path); err != nil && err != storage.ErrNotFound {
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return err
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}
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}
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// delete the attachment entry completely
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return m.db.DeleteByID(ctx, attachment.ID, >smodel.MediaAttachment{})
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}
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