gotosocial/internal/processing/media/unattach.go

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// GoToSocial
// Copyright (C) GoToSocial Authors admin@gotosocial.org
// SPDX-License-Identifier: AGPL-3.0-or-later
//
// 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"
"fmt"
"time"
apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
"github.com/superseriousbusiness/gotosocial/internal/db"
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
)
// Unattach unattaches the media attachment with the given ID from any statuses it was attached to, making it available
// for reattachment again.
func (p *Processor) Unattach(ctx context.Context, account *gtsmodel.Account, mediaAttachmentID string) (*apimodel.Attachment, gtserror.WithCode) {
attachment, err := p.state.DB.GetAttachmentByID(ctx, mediaAttachmentID)
if err != nil {
if err == db.ErrNoEntries {
return nil, gtserror.NewErrorNotFound(errors.New("attachment doesn't exist in the db"))
}
return nil, gtserror.NewErrorNotFound(fmt.Errorf("db error getting attachment: %s", err))
}
if attachment.AccountID != account.ID {
return nil, gtserror.NewErrorNotFound(errors.New("attachment not owned by requesting account"))
}
updatingColumns := []string{"updated_at", "status_id"}
attachment.UpdatedAt = time.Now()
attachment.StatusID = ""
if err := p.state.DB.UpdateAttachment(ctx, attachment, updatingColumns...); err != nil {
return nil, gtserror.NewErrorNotFound(fmt.Errorf("db error updating attachment: %s", err))
}
a, err := p.tc.AttachmentToAPIAttachment(ctx, attachment)
if err != nil {
return nil, gtserror.NewErrorNotFound(fmt.Errorf("error converting attachment: %s", err))
}
return &a, nil
}