Drupal 8 Module Development

Bonus - dynamic route options for access control

We've seen how to create a service-based access checker that we can use on our routes. Using this technique, I want to demonstrate the flexibility of using the service on multiple routes. Imagine that we have multiple routes, which display some user information. However, these routes are specific to a user type, and hence accessible only for that user type. In this example, a user type will be defined based on the value of a simple text field on the user entity, and we want to specify in the route definition for which user type it should be accessible to. The code we write for this demonstration will go inside a new user_types module.

An alternative approach to checking the access inside a ...