```ruby
class NewslettersController < ApplicationController
  skip_before_action :verify_authenticity_token
  skip_before_action :authorize

  def create
    newsletter = Newsletter.new(params)
    user = AuthenticationToken.newsletters.active.where(token: newsletter.token).take&.user
    if newsletter.valid?
      NewsletterEntry.create(newsletter, user)
    end
    active = user ? !user.suspended : false
    Librato.increment "newsletter.user_active.#{active}"
    head :ok
  end
end
```

Create newsletters only for active tokens.
user
```ruby
class NewslettersController < ApplicationController
  skip_before_action :verify_authenticity_token
  skip_before_action :authorize

  def create
    newsletter = Newsletter.new(params)
    user = AuthenticationToken.newsletters.active.where(token: newsletter.token).take&.user
    if user && newsletter.valid?
      NewsletterEntry.create(newsletter, user)
    end
    active = user ? !user.suspended : false
    Librato.increment "newsletter.user_active.#{active}"
    head :ok
  end
end
```
assistant