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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 timeline
import (
"context"
"errors"
apimodel "code.superseriousbusiness.org/gotosocial/internal/api/model"
"code.superseriousbusiness.org/gotosocial/internal/db"
statusfilter "code.superseriousbusiness.org/gotosocial/internal/filter/status"
"code.superseriousbusiness.org/gotosocial/internal/gtscontext"
"code.superseriousbusiness.org/gotosocial/internal/gtserror"
"code.superseriousbusiness.org/gotosocial/internal/gtsmodel"
"code.superseriousbusiness.org/gotosocial/internal/log"
"code.superseriousbusiness.org/gotosocial/internal/paging"
)
// ListTimelineGet gets a pageable timeline of statuses
// in the list timeline of ID by the requesting account.
func (p *Processor) ListTimelineGet(
ctx context.Context,
requester *gtsmodel.Account,
listID string,
page *paging.Page,
) (
*apimodel.PageableResponse,
gtserror.WithCode,
) {
// Fetch the requested list with ID.
list, err := p.state.DB.GetListByID(
gtscontext.SetBarebones(ctx),
listID,
)
if err != nil && !errors.Is(err, db.ErrNoEntries) {
return nil, gtserror.NewErrorInternalError(err)
}
// Check exists.
if list == nil {
const text = "list not found"
return nil, gtserror.NewErrorNotFound(
errors.New(text),
text,
)
}
// Check list owned by auth'd account.
if list.AccountID != requester.ID {
err := gtserror.New("list does not belong to account")
return nil, gtserror.NewErrorNotFound(err)
}
// Fetch status timeline for list.
return p.getStatusTimeline(ctx,
// Auth'd
// account.
requester,
// Keyed-by-list-ID, list timeline cache.
p.state.Caches.Timelines.List.MustGet(listID),
// Current
// page.
page,
// List timeline ID's endpoint.
"/api/v1/timelines/list/"+listID,
// No page
// query.
nil,
// Status filter context.
statusfilter.FilterContextHome,
// Database load function.
func(pg *paging.Page) (statuses []*gtsmodel.Status, err error) {
return p.state.DB.GetListTimeline(ctx, listID, pg)
},
// Filtering function,
// i.e. filter before caching.
func(s *gtsmodel.Status) bool {
// Check the visibility of passed status to requesting user.
ok, err := p.visFilter.StatusHomeTimelineable(ctx, requester, s)
if err != nil {
log.Errorf(ctx, "error filtering status %s: %v", s.URI, err)
}
return !ok
},
// Post filtering funtion,
// i.e. filter after caching.
nil,
)
}
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