gotosocial/internal/processing/media/create.go

80 lines
2.5 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 (
"bytes"
"context"
"errors"
"fmt"
"io"
apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
"github.com/superseriousbusiness/gotosocial/internal/media"
)
func (p *processor) Create(ctx context.Context, account *gtsmodel.Account, form *apimodel.AttachmentRequest) (*apimodel.Attachment, error) {
data := func(innerCtx context.Context) ([]byte, error) {
// open the attachment and extract the bytes from it
f, err := form.File.Open()
if err != nil {
return nil, fmt.Errorf("error opening attachment: %s", err)
}
buf := new(bytes.Buffer)
size, err := io.Copy(buf, f)
if err != nil {
return nil, fmt.Errorf("error reading attachment: %s", err)
}
if size == 0 {
return nil, errors.New("could not read provided attachment: size 0 bytes")
}
return buf.Bytes(), f.Close()
}
focusX, focusY, err := parseFocus(form.Focus)
if err != nil {
return nil, fmt.Errorf("could not parse focus value %s: %s", form.Focus, err)
}
// process the media attachment and load it immediately
media, err := p.mediaManager.ProcessMedia(ctx, data, account.ID, &media.AdditionalMediaInfo{
Description: &form.Description,
FocusX: &focusX,
FocusY: &focusY,
})
if err != nil {
return nil, err
}
attachment, err := media.LoadAttachment(ctx)
if err != nil {
return nil, err
}
// prepare the frontend representation now -- if there are any errors here at least we can bail without
// having already put something in the database and then having to clean it up again (eugh)
apiAttachment, err := p.tc.AttachmentToAPIAttachment(ctx, attachment)
if err != nil {
return nil, fmt.Errorf("error parsing media attachment to frontend type: %s", err)
}
return &apiAttachment, nil
}