Scala web series Pt. 1 authorize a request based on its truthfulness usage

authorization_predicate_authorize_ops_usage.scala

import AuthorizationOps._

(
  (HasClient(request.clientId) && 
     HasProjects(request.projects)) && 
    (HasPermission("data.write") || ("data.all"))
).authorize(token) {
  // your code if authorized
}