Files
corteza/server/pkg/envoy/locale.go
T

100 lines
2.3 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
}
func appendRefSet(a resource.RefSet, b *resource.Ref) resource.RefSet {
return append(a, b)
}
// FilterRequiredResourceTranslations returns only resource translations relevant for the given resources
func FilterRequiredResourceTranslations(request resource.InterfaceSet, translations []*resource.ResourceTranslation) (out []*resource.ResourceTranslation) {
out = make([]*resource.ResourceTranslation, 0, 100)
// Filter
procResSet(request, func(r resource.Interface) {
localeRes, ok := r.(resource.LocaleInterface)
if !ok {
return
}
_, ref, pp := localeRes.ResourceTranslationParts()
resourceRefSet := appendRefSet(pp, ref)
for _, t := range translations {
translationRefSet := appendRefSet(t.RefPath, t.RefRes)
// Res. tr. use strict equality to determine where it falls into
if !translationRefSet.Equals(resourceRefSet) {
continue
}
out = append(out, t)
}
})
return
}