gotosocial/internal/processing/admin/getemojis.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 admin

import (
	"context"
	"errors"
	"fmt"
	"strings"

	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"
	"github.com/superseriousbusiness/gotosocial/internal/util"
)

func (p *processor) EmojisGet(ctx context.Context, account *gtsmodel.Account, user *gtsmodel.User, domain string, includeDisabled bool, includeEnabled bool, shortcode string, maxShortcodeDomain string, minShortcodeDomain string, limit int) (*apimodel.PageableResponse, gtserror.WithCode) {
	if !*user.Admin {
		return nil, gtserror.NewErrorUnauthorized(fmt.Errorf("user %s not an admin", user.ID), "user is not an admin")
	}

	emojis, err := p.db.GetEmojis(ctx, domain, includeDisabled, includeEnabled, shortcode, maxShortcodeDomain, minShortcodeDomain, limit)
	if err != nil && !errors.Is(err, db.ErrNoEntries) {
		err := fmt.Errorf("EmojisGet: db error: %s", err)
		return nil, gtserror.NewErrorInternalError(err)
	}

	count := len(emojis)
	if count == 0 {
		return util.EmptyPageableResponse(), nil
	}

	items := make([]interface{}, 0, count)
	for _, emoji := range emojis {
		adminEmoji, err := p.tc.EmojiToAdminAPIEmoji(ctx, emoji)
		if err != nil {
			err := fmt.Errorf("EmojisGet: error converting emoji to admin model emoji: %s", err)
			return nil, gtserror.NewErrorInternalError(err)
		}
		items = append(items, adminEmoji)
	}

	filterBuilder := strings.Builder{}
	filterBuilder.WriteString("filter=")

	switch domain {
	case "", "local":
		filterBuilder.WriteString("domain:local")
	case db.EmojiAllDomains:
		filterBuilder.WriteString("domain:all")
	default:
		filterBuilder.WriteString("domain:")
		filterBuilder.WriteString(domain)
	}

	if includeDisabled != includeEnabled {
		if includeDisabled {
			filterBuilder.WriteString(",disabled")
		}
		if includeEnabled {
			filterBuilder.WriteString(",enabled")
		}
	}

	if shortcode != "" {
		filterBuilder.WriteString(",shortcode:")
		filterBuilder.WriteString(shortcode)
	}

	return util.PackagePageableResponse(util.PageableResponseParams{
		Items:            items,
		Path:             "api/v1/admin/custom_emojis",
		NextMaxIDKey:     "max_shortcode_domain",
		NextMaxIDValue:   shortcodeDomain(emojis[count-1]),
		PrevMinIDKey:     "min_shortcode_domain",
		PrevMinIDValue:   shortcodeDomain(emojis[0]),
		Limit:            limit,
		ExtraQueryParams: []string{filterBuilder.String()},
	})
}

func shortcodeDomain(emoji *gtsmodel.Emoji) string {
	return emoji.Shortcode + "@" + emoji.Domain
}