创建只有特定用户可以看到的表单。

I am relatively new to ruby on rails, however this isn't my first project. I am trying create an event management website where the organiser can log in and populate a form with users information and an email address. The users then receive an email allowing them to pay whatever fee is due at the end. I'm using devise cancan and rolify and have setup 3 roles. I am relatively new to ruby on rails, however t