Files
Spanglish/photo-api/internal/httpapi/slug.go
T
MichilisandCursor c9a600b6d6 Add photo galleries API and frontend for public and admin viewing.
Introduces the Go photo-api service, nginx/systemd deploy wiring, and Next.js gallery/lightbox pages so event photos can be managed and browsed.

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-07-25 17:32:23 +00:00

73 lines
1.6 KiB
Go

package httpapi
import (
"context"
"crypto/rand"
"encoding/base64"
"fmt"
"strings"
"unicode"
"github.com/google/uuid"
)
// slugify follows the spirit of backend/src/lib/slugify.ts: lowercase,
// ASCII-fold common Spanish characters, dashes for everything else.
func slugify(s string) string {
replacer := strings.NewReplacer(
"á", "a", "é", "e", "í", "i", "ó", "o", "ú", "u", "ü", "u", "ñ", "n",
"Á", "a", "É", "e", "Í", "i", "Ó", "o", "Ú", "u", "Ü", "u", "Ñ", "n")
s = replacer.Replace(strings.ToLower(strings.TrimSpace(s)))
var b strings.Builder
prevDash := true // avoids a leading dash
for _, r := range s {
switch {
case unicode.IsLetter(r) && r < 128, unicode.IsDigit(r):
b.WriteRune(r)
prevDash = false
default:
if !prevDash {
b.WriteByte('-')
prevDash = true
}
}
}
out := strings.Trim(b.String(), "-")
if len(out) > 140 {
out = strings.Trim(out[:140], "-")
}
if out == "" {
out = "gallery"
}
return out
}
// uniqueSlug appends -2, -3, ... until the slug is free.
func (s *Server) uniqueSlug(ctx context.Context, title string) (string, error) {
base := slugify(title)
slug := base
for i := 2; ; i++ {
exists, err := s.db.SlugExists(ctx, slug)
if err != nil {
return "", err
}
if !exists {
return slug, nil
}
slug = fmt.Sprintf("%s-%d", base, i)
}
}
func newID() string {
return uuid.NewString()
}
// newShareToken returns 32 random bytes, base64url (43 chars, no padding).
func newShareToken() string {
buf := make([]byte, 32)
if _, err := rand.Read(buf); err != nil {
panic(err) // crypto/rand failure is unrecoverable
}
return base64.RawURLEncoding.EncodeToString(buf)
}