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Extract portal locale helpers from seo.go

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OAuth continue-URL rewriting shares path/locale utilities with
SEO, so keep those in locale.go and leave seo.go for
SEOFromRequest only.

Signed-off-by: Émile Ré <emile@probo.com>
This commit is contained in:
Émile Ré
2026-07-30 15:50:40 +02:00
parent 1ca9ad439a
commit d52edeb585
3 changed files with 108 additions and 82 deletions
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82
pkg/server/api/complianceportal/v1/seo.go
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@@ -22,17 +22,12 @@ package complianceportal_v1
import (
"net/http"
"net/url"
"slices"
"strings"
"go.gearno.de/x/ref"
"go.probo.inc/probo/pkg/iam"
"go.probo.inc/probo/pkg/server/api/complianceportal"
)
const defaultCompliancePortalLocale = "en"
// SEOFromRequest derives html lang, a self-referencing canonical URL, and
// hreflang alternates (including x-default → English) for the SPA shell.
// Portals are host-routed (slug subdomain / custom domain); the request path
@@ -73,80 +68,3 @@ func SEOFromRequest(r *http.Request) (htmlLang, canonical string, hreflang []Hre
return htmlLang, canonical, hreflang
}
func splitLocaleFromAppPath(appPath string) (locale, rest string) {
segments := strings.Split(strings.Trim(appPath, "/"), "/")
if len(segments) == 0 || segments[0] == "" {
return defaultCompliancePortalLocale, "/"
}
if isCompliancePortalLocale(segments[0]) {
locale = segments[0]
if len(segments) == 1 {
return locale, "/"
}
return locale, "/" + strings.Join(segments[1:], "/")
}
// Unprefixed path — treat content path as-is; default lang for tags.
return defaultCompliancePortalLocale, appPath
}
func isCompliancePortalLocale(value string) bool {
return slices.Contains(iam.SupportedIdentityLocales, value)
}
// rewriteContinueURLLocale swaps the leading locale segment of continueURL's
// path for locale (a supported short tag). Relative and absolute URLs are
// accepted; query and fragment are preserved. Unprefixed paths get the locale
// prepended. Returns continueURL unchanged when locale is unsupported or the
// URL cannot be parsed.
func rewriteContinueURLLocale(continueURL, locale string) string {
if !isCompliancePortalLocale(locale) {
return continueURL
}
u, err := url.Parse(continueURL)
if err != nil {
return continueURL
}
path := u.Path
if path == "" {
path = "/"
}
_, rest := splitLocaleFromAppPath(path)
if rest == "/" || rest == "" {
u.Path = "/" + locale
} else {
u.Path = "/" + locale + rest
}
return u.String()
}
func localizedPageURL(pageBaseURL, locale, rest string) string {
base := strings.TrimRight(pageBaseURL, "/")
segments := []string{locale}
if rest != "/" && rest != "" {
trimmed := strings.Trim(rest, "/")
if trimmed != "" {
segments = append(segments, strings.Split(trimmed, "/")...)
}
}
escaped := make([]string, len(segments))
for i, segment := range segments {
escaped[i] = url.PathEscape(segment)
}
joined, err := url.JoinPath(base, escaped...)
if err != nil {
return base + "/" + strings.Join(escaped, "/")
}
return joined
}