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facet_torrent_file_type.go
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/
facet_torrent_file_type.go
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package search
import (
"errors"
"github.com/bitmagnet-io/bitmagnet/internal/database/query"
"github.com/bitmagnet-io/bitmagnet/internal/model"
)
const TorrentFileTypeFacetKey = "file_type"
func TorrentFileTypeFacet(options ...query.FacetOption) query.Facet {
return torrentFileTypeFacet{
FacetConfig: query.NewFacetConfig(
append([]query.FacetOption{
query.FacetHasKey(TorrentFileTypeFacetKey),
query.FacetHasLabel("File Type"),
query.FacetUsesOrLogic(),
query.FacetHasAggregationOption(query.RequireJoin(model.TableNameTorrentContent)),
}, options...)...,
),
}
}
type torrentFileTypeFacet struct {
query.FacetConfig
}
func (torrentFileTypeFacet) Values(query.FacetContext) (map[string]string, error) {
fts := model.FileTypeValues()
values := make(map[string]string, len(fts))
for _, vr := range fts {
values[vr.String()] = vr.Label()
}
return values, nil
}
func (f torrentFileTypeFacet) Criteria(filter query.FacetFilter) []query.Criteria {
return []query.Criteria{query.GenCriteria(func(ctx query.DbContext) (query.Criteria, error) {
if len(filter) == 0 {
return query.AndCriteria{}, nil
}
fileTypes := make([]model.FileType, 0, len(filter))
for _, v := range filter.Values() {
ft, ftErr := model.ParseFileType(v)
if ftErr != nil {
return nil, errors.New("invalid file type filter specified")
}
fileTypes = append(fileTypes, ft)
}
return TorrentFileTypeCriteria(fileTypes...), nil
})}
}