3
0
Files
corteza/pkg/envoy/locale.go
2021-09-22 11:26:14 +02:00

66 lines
1.4 KiB
Go

package envoy
import "github.com/cortezaproject/corteza-server/pkg/envoy/resource"
// NormalizeResourceTranslations takes the provided resource.ResourceTranslation
// and merges duplicates based on the Priority parameter
func NormalizeResourceTranslations(rr ...resource.Interface) []resource.Interface {
out := make([]resource.Interface, 0, len(rr))
locales := make([]*resource.ResourceTranslation, 0, len(rr))
// - collect all locale resources
for _, r := range rr {
if l, ok := r.(*resource.ResourceTranslation); ok {
locales = append(locales, l)
} else {
out = append(out, r)
}
}
// make an index
var byResource map[string][2]*resource.ResourceTranslation
byResource = make(map[string][2]*resource.ResourceTranslation)
for _, locale := range locales {
pp := byResource[locale.RefResource]
pp[locale.Priority] = locale
byResource[locale.RefResource] = pp
}
// squash index by priority ascending
for _, pp := range byResource {
var aux *resource.ResourceTranslation
seen := make(map[string]bool)
for _, p := range pp {
if p == nil {
continue
}
if aux == nil {
aux = p
} else {
for _, r := range p.Res {
if seen[r.Lang.String()+r.K] {
continue
}
aux.Res = append(aux.Res, r)
}
}
for _, r := range p.Res {
if r.K != "" {
seen[r.Lang.String()+r.K] = true
}
}
}
if aux != nil {
out = append(out, aux)
}
}
return out
}