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surfshark_retro.go
55 lines (45 loc) · 1.4 KB
/
surfshark_retro.go
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package settings
import (
"strings"
"github.com/qdm12/gluetun/internal/provider/surfshark/servers"
)
func surfsharkRetroRegion(selection ServerSelection) (
updatedSelection ServerSelection) {
locationData := servers.LocationData()
retroToLocation := make(map[string]servers.ServerLocation, len(locationData))
for _, data := range locationData {
if data.RetroLoc == "" {
continue
}
retroToLocation[strings.ToLower(data.RetroLoc)] = data
}
for i, region := range selection.Regions {
location, ok := retroToLocation[region]
if !ok {
continue
}
selection.Regions[i] = strings.ToLower(location.Region)
selection.Countries = append(selection.Countries, strings.ToLower(location.Country))
selection.Cities = append(selection.Cities, strings.ToLower(location.City)) // even empty string
selection.Hostnames = append(selection.Hostnames, location.Hostname)
}
selection.Regions = dedupSlice(selection.Regions)
selection.Countries = dedupSlice(selection.Countries)
selection.Cities = dedupSlice(selection.Cities)
selection.Hostnames = dedupSlice(selection.Hostnames)
return selection
}
func dedupSlice(slice []string) (deduped []string) {
if slice == nil {
return nil
}
deduped = make([]string, 0, len(slice))
seen := make(map[string]struct{}, len(slice))
for _, s := range slice {
if _, ok := seen[s]; !ok {
seen[s] = struct{}{}
deduped = append(deduped, s)
}
}
return deduped
}