Here is the code entirely:
class SubscriptionsController<ApplicationController
def create
@subscription = Subscription.new(subscription_params)
p params["subscription"]["email"]
@subscription.save
redirect_to root_path
end
private
def subscription_params
params.require(:subscription).permit(:email)
end
end
Views
<%= form_for @subscription do |f| %>
<%= f.text_field :email %>
<%= f.submit "Create", class: 'btn btn-success' %>
<% end %>
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