---
title: "Slugs & routing — Advertisements for Laravel | Roundly"
description: "Per-locale ad slugs with database-enforced uniqueness, any-locale route binding, optional 301s from retired slugs and validation rules."
url: https://roundly-consulting.com/open-source/docs/advertisements-for-laravel/slugs-routing
language: en
---

[All packages](https://roundly-consulting.com/open-source.md)

[Advertisements for Laravel](https://roundly-consulting.com/open-source/docs/advertisements-for-laravel.md)

# Slugs & routing

Slugs are generated by sluggable-for-laravel. Advertisements carry a per-locale slug map built from each locale’s name:

- On create, every locale present in name gets a slug, each transliterated in its own language (Red Chair / Červená stolička → red-chair / cervena-stolicka).
- On update, only the locales whose name changed are regenerated; a rename that keeps the same base never churns chair-2 into chair-3.
- Collisions are per locale and get a numeric suffix starting at -2 (vintage-road-bike, vintage-road-bike-2, …); soft-deleted ads keep their slug reserved. Different locales may share a slug. An empty name generates nothing.
- A unique index per locale enforces this in the database too; a concurrent writer that loses the race is re-suffixed and retried.

## Route binding

Advertisements bind by slug: the active locale first, then fallback\_locale, then any other supported locale — so a link shared in another language still resolves. URLs are generated from the current-locale slug:

```php
use Illuminate\Support\Facades\Route;
use RoundlyConsulting\Advertisements\Models\Advertisement;

// routes/web.php
Route::get('/ads/{advertisement}', fn (Advertisement $advertisement) => $advertisement)->name('ads.show');
// GET /ads/vintage-road-bike resolves the ad whose slug matches, preferring the current locale.

route('ads.show', $ad);                                   // current-locale slug
Advertisement::query()->whereSlug('vintage-road-bike')->first();
Advertisement::query()->whereSlug('stary-bicykel', locale: 'sk')->first();
$ad->slugFor('sk');                                       // exact locale, no fallback
```

## Slug history

With slugs.history on (and sluggable’s migration published), every retired slug is remembered and a GET for it answers 301 to the current URL, query string kept. A force-deleted or pruned advertisement takes its history rows with it; a soft-deleted one keeps them (and its slug reserved) for a restore.

## Placement and category keys

Placements and categories have a single string slug — a code-facing key such as 'sidebar'. Leave it empty and it’s generated from the fallback\_locale name (Side Banner → side-banner, suffixed -2 when taken). A slug you supply is kept byte-for-byte, and a taken one throws SlugAlreadyTakenException instead of being silently suffixed. Once set it never changes.

## Validation

Validate admin input with sluggable’s rules, which apply exactly these semantics:

```php
use RoundlyConsulting\Advertisements\Models\Advertisement;
use RoundlyConsulting\Advertisements\Models\Placement;
use RoundlyConsulting\Sluggable\Rules\UniqueSlug;
use RoundlyConsulting\Sluggable\Rules\ValidSlug;

'slug' => ['nullable', 'string', ValidSlug::for(Placement::class), UniqueSlug::for(Placement::class)->ignore($placement)],
'slug' => ['nullable', 'array', UniqueSlug::for(Advertisement::class)->ignore($ad)],   // errors on slug.{locale}
```

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