Using SlugSwap in Django

To utilize the SlugSwap feature in your Django project, follow these steps:

Create the SlugSwap Model:

Ensure the SlugSwap model is defined in your Django app to keep track of old and new slugs for objects.
Define the Middleware:

Implement the middleware to handle old slug redirection.
Configure Settings:

Add the middleware to your Django settings and configure the SLUG_TYPE_MAPPING:
```
MIDDLEWARE = [
    # other middlewares...
    'your_app.middleware.OldSlugRedirectMiddleware',
]

SLUG_TYPE_MAPPING = {
    'product_slug': 'product',
    'category_slug': 'category',
    'post_slug': 'post',
    'slug': 'other',
}
```
Warning

The keys in SLUG_TYPE_MAPPING must match the slug names defined in your views. The values should be the models where these slugs are present. If the keys do not match the slugs in your URLs, the redirection will not work.

Ensure that the slug names in your URLs are used as keys and the corresponding models containing these slugs are used as values.

For example, if you have a URL pattern like:
```
path('product/<slug:product_slug>/', views.ProductDetailView.as_view(), name='product-detail')
```
You should have an entry in SLUG_TYPE_MAPPING as follows:
```
SLUG_TYPE_MAPPING = {
    'product_slug': 'product',
    # other mappings...
}
```
Migrate Database:

Create and apply migrations for the SlugSwap model:
```
python manage.py makemigrations
python manage.py migrate
```

By following these steps, the SlugSwap feature will be integrated into your Django project, allowing for seamless redirection of old URLs to new ones.