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get_subject_related_subject.go
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/
get_subject_related_subject.go
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// SPDX-License-Identifier: AGPL-3.0-only
//
// 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, version 3.
//
// 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 <https://www.gnu.org/licenses/>
package ctrl
import (
"context"
"github.com/bangumi/server/internal/domain"
"github.com/bangumi/server/internal/model"
"github.com/bangumi/server/internal/pkg/errgo"
"github.com/bangumi/server/internal/pkg/generic/slice"
"github.com/bangumi/server/internal/pkg/null"
"github.com/bangumi/server/internal/subject"
)
func (ctl Ctrl) GetSubjectRelatedSubjects(
ctx context.Context,
user domain.Auth,
subjectID model.SubjectID,
) ([]model.SubjectInternalRelation, error) {
currentSubject, err := ctl.GetSubjectNoRedirect(ctx, user, subjectID)
if err != nil {
return nil, err
}
relations, err := ctl.subject.GetSubjectRelated(ctx, subjectID)
if err != nil {
return nil, errgo.Wrap(err, "SubjectRepo.GetSubjectRelated")
}
subjects, err := ctl.subject.GetByIDs(ctx,
slice.Map(relations, func(r domain.SubjectInternalRelation) model.SubjectID { return r.DestinationID }),
subject.Filter{NSFW: null.Bool{Value: false, Set: !user.AllowNSFW()}},
)
if err != nil {
return nil, errgo.Wrap(err, "SubjectRepo.GetByIDs")
}
var results = make([]model.SubjectInternalRelation, 0, len(relations))
for _, rel := range relations {
s, ok := subjects[rel.DestinationID]
if !ok {
continue
}
results = append(results, model.SubjectInternalRelation{
Destination: s,
TypeID: rel.TypeID,
Source: currentSubject,
})
}
return results, nil
}