admin and mod categories management

app/Models/Category.php

@@ -4,6 +4,7 @@ namespace App\Models;
 
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Support\Str;
 
 class Category extends Model
 {
@@ -25,4 +26,39 @@ class Category extends Model
     {
         return $this->hasMany(Product::class);
     }
+
+    /**
+     * Generate a unique slug for the category based on its name.
+     */
+    public static function generateUniqueSlug(string $name, ?int $excludeId = null): string
+    {
+        $slug = Str::slug($name);
+        $originalSlug = $slug;
+        $count = 1;
+
+        // Keep appending numbers until we find a unique slug
+        $query = static::where('slug', $slug);
+        if ($excludeId) {
+            $query->where('id', '!=', $excludeId);
+        }
+
+        while ($query->exists()) {
+            $slug = $originalSlug . '-' . $count;
+            $count++;
+            $query = static::where('slug', $slug);
+            if ($excludeId) {
+                $query->where('id', '!=', $excludeId);
+            }
+        }
+
+        return $slug;
+    }
+
+    /**
+     * Get the route key for the model.
+     */
+    public function getRouteKeyName(): string
+    {
+        return 'slug';
+    }
 }