gotosocial/internal/processing/admin/emoji.go

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/*
GoToSocial
Copyright (C) 2021 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 admin
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/id"
)
func (p *processor) EmojiCreate(ctx context.Context, account *gtsmodel.Account, user *gtsmodel.User, form *apimodel.EmojiCreateRequest) (*apimodel.Emoji, error) {
if user.Admin {
return nil, fmt.Errorf("user %s not an admin", user.ID)
}
// open the emoji and extract the bytes from it
f, err := form.Image.Open()
if err != nil {
return nil, fmt.Errorf("error opening emoji: %s", err)
}
buf := new(bytes.Buffer)
size, err := io.Copy(buf, f)
if err != nil {
return nil, fmt.Errorf("error reading emoji: %s", err)
}
if size == 0 {
return nil, errors.New("could not read provided emoji: size 0 bytes")
}
// allow the mediaHandler to work its magic of processing the emoji bytes, and putting them in whatever storage backend we're using
emoji, err := p.mediaHandler.ProcessLocalEmoji(ctx, buf.Bytes(), form.Shortcode)
if err != nil {
return nil, fmt.Errorf("error reading emoji: %s", err)
}
emojiID, err := id.NewULID()
if err != nil {
return nil, err
}
emoji.ID = emojiID
mastoEmoji, err := p.tc.EmojiToMasto(ctx, emoji)
if err != nil {
return nil, fmt.Errorf("error converting emoji to mastotype: %s", err)
}
if err := p.db.Put(ctx, emoji); err != nil {
return nil, fmt.Errorf("database error while processing emoji: %s", err)
}
return &mastoEmoji, nil
}