trying to get account upgrades working

edit.html.erb

<div class="panel panel-default">
  <div class="panel-heading">
    <div class="panel-title">
      <h1>Edit <%= resource_name.to_s.humanize %></h1>
    </div>
    Current account: <%= resource.plan.name %>
  </div>
  <div class="panel-body">
    <%= form_for(resource, :as => resource_name, :url => registration_path(resource_name), :html => { :method => :put }) do |f| %>
      <%= devise_error_messages! %>

      <div class="form-group">
        <%= f.label :email %>
        <%= f.email_field :email, class: "form-control", :autofocus => true %>
      </div>

      <div class="form-group">
        <%= f.label :password %> <i>(leave blank if you don't want to change it)</i>
        <%= f.password_field :password, class: "form-control", :autocomplete => "off" %>
      </div>

      <div class="form-group">
        <%= f.label :current_password %> <i>(we need your current password to confirm your changes)</i>
        <%= f.password_field :current_password, class: "form-control" %>
      </div>

      <div class="form-group">
        <%= f.submit "Update", class: "btn btn-primary" %>
      </div>
    <% end %>

  <hr>

  <% if resource.plan.name == "Free" %>

  <h2>Upgrade to paid</h2>
  <%= form_for(resource, :as => resource_name, :url => users_update_plan_path, :html => { id: 'upgrade-plan', :method => :put }) do |f| %>
    <%= hidden_field_tag 'plan', @premium_plan.id %>
    <%= hidden_field_tag 'email', resource.email %>
    <%= f.hidden_field :stripe_card_token, id: 'new-token' %>
    <div class="form-group">
      <%= label_tag :card_number, "Credit Card Number" %>
      <%= text_field_tag :card_number, nil, name: nil, class: 'form-control' %>
    </div>
    <div class="form-group">
      <%= label_tag :card_code, "Security Code on Card (CVV)" %>
      <%= text_field_tag :card_code, nil, name: nil, class: 'form-control' %>
    </div>
    <div class="form-group">
      <%= label_tag :card_month, "Card Expiration" %>
      <%= select_month nil, {add_month_numbers: true}, {name: nil, id: "card_month"} %>
      <%= select_year nil, {start_year: Date.today.year, end_year: Date.today.year+15}, {name: nil, id: "card_year",} %>
    </div>
    <div id="stripe_error">
      <noscript>JavaScript is not enabled and is required for this form. First enable it in your web browser settings.</noscript>
    </div>

    <div class="form-group">
      <%= f.submit "Upgrade", class: "btn btn-primary" %>
    </div>

  <% end %>

  <% end %>

  </div>

  <div class="panel-footer">
    <h3>Cancel my account</h3>

    <p>Unhappy? <%= button_to "Cancel my account", registration_path(resource_name), :data => { :confirm => "Are you sure?" }, :method => :delete, class: "btn btn-warning" %></p>

    <%= link_to "Back", :back %>
  </div>
</div>

registrations_controller.rb

class Users::RegistrationsController < Devise::RegistrationsController
before_filter :setup, only: [:edit]
  
  def update_plan
    @user = current_user
    @user.update_attributes(plan_id: params[:plan], email: params[:email])
      if @user.plan_id == 2
        @user.save_with_payment
        redirect_to edit_user_registration_path, notice: "Updated plan!"
      else
        flash[:error] = "Unable to update plan."
        render :edit
      end
    binding.pry
  end

  private

  def build_resource(*args)
    super
    if params[:plan]
      resource.plan_id = params[:plan]
      if resource.plan_id == 2
        resource.save_with_payment
      else
        resource.save
      end
      binding.pry
    end
  end

  def setup
    plans = Plan.all
    plans.each do |plan|
      unless plan.id == 1
        @premium_plan = plan
      end
    end
  end
end

routes.rb

Blocipedia::Application.routes.draw do

  devise_for :users, controllers: { registrations: 'users/registrations' }
  
  devise_scope :user do
    put 'users/update_plan', :to => 'users/registrations#update_plan'
  end

  resources :users, only: [:index, :show]

  resources :wikis

  resources :wiki_collaborations

  root to: 'pages#home'

  match "about" => 'pages#about'

end

update_plan.js.coffee

jQuery ->
  Stripe.setPublishableKey($('meta[name="stripe-key"]').attr('content'))
  subscription.setupForm()
      
subscription =
  setupForm: ->
    $('#upgrade-plan').submit ->
      $('input[type=submit]').prop('disabled', true)
      subscription.processCard()
      false

  processCard: ->
    card =
      number: $('#card_number').val()
      cvc: $('#card_code').val()
      expMonth: $('#card_month').val()
      expYear: $('#card_year').val()

    Stripe.createToken(card, subscription.handleStripeResponse)

  handleStripeResponse: (status, response) ->
    if status == 200
      $('#new-token').val(response.id)
      $('#upgrade-plan')[0].submit()
    else
      $('#stripe_error').text(response.error.message)
      $('input[type=submit]').prop('disabled', false)

user.rb

# == Schema Information
#
# Table name: users
#
#  id                     :integer          not null, primary key
#  username               :string(255)      not null
#  email                  :string(255)      default(""), not null
#  encrypted_password     :string(255)      default(""), not null
#  reset_password_token   :string(255)
#  reset_password_sent_at :datetime
#  remember_created_at    :datetime
#  sign_in_count          :integer          default(0), not null
#  current_sign_in_at     :datetime
#  last_sign_in_at        :datetime
#  current_sign_in_ip     :string(255)
#  last_sign_in_ip        :string(255)
#  confirmation_token     :string(255)
#  confirmed_at           :datetime
#  confirmation_sent_at   :datetime
#  unconfirmed_email      :string(255)
#  created_at             :datetime         not null
#  updated_at             :datetime         not null
#

class User < ActiveRecord::Base
  # Include default devise modules. Others available are:
  # :confirmable, :lockable, :timeoutable and :omniauthable
  devise :database_authenticatable, :registerable,
         :recoverable, :rememberable, :trackable, :validatable #:confirmable,
  
  attr_accessible :username, :email, :password, :password_confirmation, :remember_me, :subscription,
  :stripe_customer_token, :plan_id, :stripe_card_token
  
  has_many :wikis
  has_many :wiki_collaborations
  has_many :shared_wikis, through: :wiki_collaborations, source: :wiki
  
  belongs_to :plan

  validates_presence_of :plan_id

  attr_accessor :stripe_card_token
  
  def save_with_payment
    if valid?
      customer = Stripe::Customer.create(description: email, plan: plan_id, card: stripe_card_token)
      self.stripe_customer_token = customer.id
      save!
    end
  rescue Stripe::InvalidRequestError => e
    logger.error "Stripe error while creating customer: #{e.message}"
    errors.add :base, "There was a problem with your credit card."
    false
  end

#  def update_user_plan
#    if valid?
#      customer = Stripe::Customer.create(description: email, plan: plan_id, card: stripe_card_token)
#      self.stripe_customer_token = customer.id
#      save!
#    end
#  rescue Stripe::InvalidRequestError => e
#    logger.error "Stripe error while creating customer: #{e.message}"
#    errors.add :base, "There was a problem with your credit card."
#    false
#  end
end