Domain block (#76)

* start work on admin domain blocking

* move stuff around + further work on domain blocks

* move + restructure processor

* prep work for deleting account

* tidy

* go fmt

* formatting

* domain blocking more work

* check domain blocks way earlier on

* progress on delete account

* delete more stuff when an account is gone

* and more...

* domain blocky block block

* get individual domain block, delete a block

internal/processing/admin/emoji.go

@@ -0,0 +1,73 @@
+/*
+   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"
+	"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(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(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(emoji)
+	if err != nil {
+		return nil, fmt.Errorf("error converting emoji to mastotype: %s", err)
+	}
+
+	if err := p.db.Put(emoji); err != nil {
+		return nil, fmt.Errorf("database error while processing emoji: %s", err)
+	}
+
+	return &mastoEmoji, nil
+}