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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"
apimodel "code.superseriousbusiness.org/gotosocial/internal/api/model"
"code.superseriousbusiness.org/gotosocial/internal/gtserror"
"code.superseriousbusiness.org/gotosocial/internal/gtsmodel"
"code.superseriousbusiness.org/gotosocial/internal/log"
"code.superseriousbusiness.org/gotosocial/internal/paging"
)
// PublicTimelineGet gets a pageable timeline of public statuses
// for the given requesting account. It ensures that each status
// in timeline is visible to the account before returning it.
//
// The local argument limits this to local-only statuses.
func (p *Processor) PublicTimelineGet(
ctx context.Context,
requester *gtsmodel.Account,
page *paging.Page,
local bool,
) (
*apimodel.PageableResponse,
gtserror.WithCode,
) {
if local {
return p.localTimelineGet(ctx, requester, page)
}
return p.publicTimelineGet(ctx, requester, page)
}
func (p *Processor) publicTimelineGet(
ctx context.Context,
requester *gtsmodel.Account,
page *paging.Page,
) (
*apimodel.PageableResponse,
gtserror.WithCode,
) {
return p.getStatusTimeline(ctx,
// Auth acconut,
// can be nil.
requester,
// No cache.
nil,
// Current
// page.
page,
// Public timeline endpoint.
"/api/v1/timelines/public",
// Set local-only timeline
// page query flag, (this map
// later gets copied before
// any further usage).
localOnlyFalse,
// Status filter context.
gtsmodel.FilterContextPublic,
// Database load function.
func(pg *paging.Page) (statuses []*gtsmodel.Status, err error) {
return p.state.DB.GetPublicTimeline(ctx, pg)
},
// Pre-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.StatusPublicTimelineable(ctx, requester, s)
if err != nil {
log.Errorf(ctx, "error checking status %s visibility: %v", s.URI, err)
return true // default assume not visible
} else if !ok {
return true
}
// Check if status been muted by requester from timelines.
muted, err := p.muteFilter.StatusMuted(ctx, requester, s)
if err != nil {
log.Errorf(ctx, "error checking status %s mutes: %v", s.URI, err)
return true // default assume muted
} else if muted {
return true
}
return false
},
// Post filtering funtion,
// i.e. filter after caching.
nil,
)
}
func (p *Processor) localTimelineGet(
ctx context.Context,
requester *gtsmodel.Account,
page *paging.Page,
) (
*apimodel.PageableResponse,
gtserror.WithCode,
) {
return p.getStatusTimeline(ctx,
// Auth acconut,
// can be nil.
requester,
// No cache.
nil,
// Current
// page.
page,
// Public timeline endpoint.
"/api/v1/timelines/public",
// Set local-only timeline
// page query flag, (this map
// later gets copied before
// any further usage).
localOnlyTrue,
// Status filter context.
gtsmodel.FilterContextPublic,
// Database load function.
func(pg *paging.Page) (statuses []*gtsmodel.Status, err error) {
return p.state.DB.GetLocalTimeline(ctx, 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.StatusPublicTimelineable(ctx, requester, s)
if err != nil {
log.Errorf(ctx, "error checking status %s visibility: %v", s.URI, err)
} else if !ok {
return true
}
// Check if status been muted by requester from timelines.
muted, err := p.muteFilter.StatusMuted(ctx, requester, s)
if err != nil {
log.Errorf(ctx, "error checking status %s mutes: %v", s.URI, err)
} else if muted {
return true
}
return false
},
// Post filtering funtion,
// i.e. filter after caching.
nil,
)
}
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