app/controllers/subscriptions_controller.rb
class SubscriptionsController < ApplicationController
expose(:comic) { Comic.find(params[:comic_id]) }
def create
current_user.subscribe!(comic)
redirect_to comics_path, :notice => "Subscribed to #{comic.name} successfully!"
end
def destroy
current_user.unsubscribe!(comic)
redirect_to comics_path, :notice => "Unsubscribed from #{comic.name} successfully!"
end
end