gotosocial/internal/processing/timeline/public.go
tobi 2b6b9cdf83
[bugfix] Fix paging for empty items (#2236)
* use minID properly for public timeline

* return paged response properly even when 0 items

* use gtserror

* page more consistently (for now)

* test

* aaa
2023-09-29 15:31:10 +02:00

80 lines
2.6 KiB
Go

// 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 timeline
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/oauth"
"github.com/superseriousbusiness/gotosocial/internal/util"
)
func (p *Processor) PublicTimelineGet(ctx context.Context, authed *oauth.Auth, maxID string, sinceID string, minID string, limit int, local bool) (*apimodel.PageableResponse, gtserror.WithCode) {
statuses, err := p.state.DB.GetPublicTimeline(ctx, maxID, sinceID, minID, limit, local)
if err != nil && !errors.Is(err, db.ErrNoEntries) {
err = gtserror.Newf("db error getting statuses: %w", err)
return nil, gtserror.NewErrorInternalError(err)
}
count := len(statuses)
if count == 0 {
return util.EmptyPageableResponse(), nil
}
var (
items = make([]interface{}, 0, count)
// Set next + prev values before filtering and API
// converting, so caller can still page properly.
nextMaxIDValue = statuses[count-1].ID
prevMinIDValue = statuses[0].ID
)
for _, s := range statuses {
timelineable, err := p.filter.StatusPublicTimelineable(ctx, authed.Account, s)
if err != nil {
log.Errorf(ctx, "error checking status visibility: %v", err)
continue
}
if !timelineable {
continue
}
apiStatus, err := p.converter.StatusToAPIStatus(ctx, s, authed.Account)
if err != nil {
log.Errorf(ctx, "error convert to api status: %v", err)
continue
}
items = append(items, apiStatus)
}
return util.PackagePageableResponse(util.PageableResponseParams{
Items: items,
Path: "/api/v1/timelines/public",
NextMaxIDValue: nextMaxIDValue,
PrevMinIDValue: prevMinIDValue,
Limit: limit,
})
}