magnetico/metainfo/announcelist.go

37 lines
670 B
Go

package metainfo
import (
"slices"
)
type AnnounceList [][]string
func (al AnnounceList) Clone() AnnounceList {
return slices.Clone(al)
}
// Whether the AnnounceList should be preferred over a single URL announce.
func (al AnnounceList) OverridesAnnounce(announce string) bool {
for _, tier := range al {
for _, url := range tier {
if url != "" || announce == "" {
return true
}
}
}
return false
}
func (al AnnounceList) DistinctValues() (ret []string) {
seen := make(map[string]struct{})
for _, tier := range al {
for _, v := range tier {
if _, ok := seen[v]; !ok {
seen[v] = struct{}{}
ret = append(ret, v)
}
}
}
return
}