gotosocial/internal/processing/status/context.go
2021-12-20 18:42:19 +01:00

87 lines
2.9 KiB
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 status
import (
"context"
"errors"
"fmt"
"sort"
apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model"
"github.com/superseriousbusiness/gotosocial/internal/gtserror"
"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
)
func (p *processor) Context(ctx context.Context, requestingAccount *gtsmodel.Account, targetStatusID string) (*apimodel.Context, gtserror.WithCode) {
targetStatus, err := p.db.GetStatusByID(ctx, targetStatusID)
if err != nil {
return nil, gtserror.NewErrorNotFound(fmt.Errorf("error fetching status %s: %s", targetStatusID, err))
}
if targetStatus.Account == nil {
return nil, gtserror.NewErrorNotFound(fmt.Errorf("no status owner for status %s", targetStatusID))
}
visible, err := p.filter.StatusVisible(ctx, targetStatus, requestingAccount)
if err != nil {
return nil, gtserror.NewErrorNotFound(fmt.Errorf("error seeing if status %s is visible: %s", targetStatus.ID, err))
}
if !visible {
return nil, gtserror.NewErrorNotFound(errors.New("status is not visible"))
}
context := &apimodel.Context{
Ancestors: []apimodel.Status{},
Descendants: []apimodel.Status{},
}
parents, err := p.db.GetStatusParents(ctx, targetStatus, false)
if err != nil {
return nil, gtserror.NewErrorInternalError(err)
}
for _, status := range parents {
if v, err := p.filter.StatusVisible(ctx, status, requestingAccount); err == nil && v {
apiStatus, err := p.tc.StatusToAPIStatus(ctx, status, requestingAccount)
if err == nil {
context.Ancestors = append(context.Ancestors, *apiStatus)
}
}
}
sort.Slice(context.Ancestors, func(i int, j int) bool {
return context.Ancestors[i].ID < context.Ancestors[j].ID
})
children, err := p.db.GetStatusChildren(ctx, targetStatus, false, "")
if err != nil {
return nil, gtserror.NewErrorInternalError(err)
}
for _, status := range children {
if v, err := p.filter.StatusVisible(ctx, status, requestingAccount); err == nil && v {
apiStatus, err := p.tc.StatusToAPIStatus(ctx, status, requestingAccount)
if err == nil {
context.Descendants = append(context.Descendants, *apiStatus)
}
}
}
return context, nil
}