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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 tags
import (
"context"
"errors"
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/log"
"github.com/superseriousbusiness/gotosocial/internal/paging"
"github.com/superseriousbusiness/gotosocial/internal/util"
)
// Followed gets the user's list of followed tags.
func (p *Processor) Followed(
ctx context.Context,
accountID string,
page *paging.Page,
) (*apimodel.PageableResponse, gtserror.WithCode) {
tags, err := p.state.DB.GetFollowedTags(ctx,
accountID,
page,
)
if err != nil && !errors.Is(err, db.ErrNoEntries) {
return nil, gtserror.NewErrorInternalError(
gtserror.Newf("DB error getting followed tags for account %s: %w", accountID, err),
)
}
count := len(tags)
if len(tags) == 0 {
return util.EmptyPageableResponse(), nil
}
lo := tags[count-1].ID
hi := tags[0].ID
items := make([]interface{}, 0, count)
following := util.Ptr(true)
for _, tag := range tags {
apiTag, err := p.converter.TagToAPITag(ctx, tag, true, following)
if err != nil {
log.Errorf(ctx, "error converting tag %s to API representation: %v", tag.ID, err)
continue
}
items = append(items, apiTag)
}
return paging.PackageResponse(paging.ResponseParams{
Items: items,
Path: "/api/v1/followed_tags",
Next: page.Next(lo, hi),
Prev: page.Prev(lo, hi),
}), nil
}
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