You have been registered as a teacher on XX.
Please confirm your account

<a href="http://localhost:3000/en/users/confirmation?confirmation_token=6Ac-y5Ymv1GNAkb5whUK">Confirm my account</a>
and connect with these credentials log in:<br />
login: bb@ee.fr<br />
password:

def new_teacher_registered(teacher, user = nil)
@teacher = teacher
@user = user
@password = user.generate_password
mail(from: 'XX', to: teacher.email, bcc: "YY", subject: 'You have been registered on XYZ')
end

<% if @user.ghost? %>
You have been registered as a teacher on XXX.
Please confirm your account

<%= link_to "Confirm my account",
confirmation_url(@user, I18n.locale, :confirmation_token => @user.confirmation_token) %>

and connect with these credentials log in:<br />
login: <%= @user.email %> <br />
password: <%= @password %>

<%else%>
You have been registered on XX by <%= @teacher.studios.first.user.contact.location.name %>

class User < ActiveRecord::Base
.....
def generate_password
 unless self.encrypted_password
  @password = Devise.friendly_token.first(8)
   if self.update(password: password, password_confirmation: password)
    @password
    else
     false
   end
 end
end
......
end