12-05-2026 Frontend dev

app/Models/CategoryTranslation.php

@@ -0,0 +1,51 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Support\Str;
+
+class CategoryTranslation extends Model
+{
+    protected $fillable = [
+        'category_id',
+        'locale',
+        'name',
+        'slug',
+        'description',
+    ];
+
+    public function category(): BelongsTo
+    {
+        return $this->belongsTo(Category::class);
+    }
+
+    /**
+     * Generates a slug that is unique within a single locale.
+     * If `$ignoreCategoryId` is given (when editing), a clash with this very
+     * category's translation is allowed, so renaming back to the same slug
+     * works.
+     */
+    public static function uniqueSlug(string $source, string $locale, ?int $ignoreCategoryId = null): string
+    {
+        $base = Str::slug($source) ?: 'kategorie';
+        $slug = $base;
+        $i = 2;
+
+        while (
+            self::query()
+                ->where('locale', $locale)
+                ->where('slug', $slug)
+                ->when(
+                    $ignoreCategoryId !== null,
+                    fn ($q) => $q->where('category_id', '!=', $ignoreCategoryId),
+                )
+                ->exists()
+        ) {
+            $slug = $base.'-'.$i++;
+        }
+
+        return $slug;
+    }
+}