问题描述:

Im currently stuck unable to figure out how to get params from one controller to add to the next controller. Iv tried render and redirect_to and I still cant get this to work!!

Heres my controller and view

- form in view gets the action of my checkout controller

-I want to use the same reservation.id in both checkout and create controllers, so I can call reservation.total in the checkout controller.

How can I get the total on create controller to hope over and share on the checkout controller??

Error Log:

NoMethodError (undefined method `total' for nil:NilClass):

app/controllers/reservations_controller.rb:45:in `checkout'

reservations controller:

def checkout

nonce = params[:payment_method_nonce]

result = Braintree::Transaction.sale(

:amount => @reservation.total,

:payment_method_nonce => nonce,

:options => {

:submit_for_settlement => true

}

)

if result.success?

puts "success!: #{result.transaction.id}"

elsif result.transaction

puts "Error processing transaction:"

puts "code: #{result.transaction.processor_response_code}"

puts "text: #{result.transaction.processor_response_text}"

else

p result.errors

end

end

def create

#!/usr/bin/env ruby

reviser = Reviser.find(params[:reviser_id])

@reservation = current_user.reservations.create(reservation_params)

if @reservation.total > 0

@token = Braintree::ClientToken.generate

elsif @reservation.total == 0

@reservation.update_attributes status: true

redirect_to @reservation.reviser.user, alert: "Writing Request Success"

else

redirect_to @reservation.reviser, alert: "Oops, something went wrong..."

end

end

create html:

<p>create</p>

<form id="checkout" method="post" action="/checkout">

<div id="payment-form"></div>

<input type="submit" value="Pay">

</form>

<script src="https://js.braintreegateway.com/js/braintree-2.26.0.min.js"></script>

<script>

// We generated a client token for you so you can test out this code

// immediately. In a production-ready integration, you will need to

// generate a client token on your server (see section below).

// var clientToken = "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";

var clientToken = "<%= @token %>";

braintree.setup(clientToken, "dropin", {

container: "payment-form"

});

</script>

网友答案:

I will suggest you to make the checkout method as a member method i.e pass the id of the reservation in the url.

post 'checkout/:id', to: 'reservations#checkout', :as => 'reservation_checkout'

By doing this you will be able to find the reservation like.

@reservation = Reservation.find(params[:id]) #so you will not get the error undefined method `total' for nil:NilClass

I am wondering why don't you use html.erb

<%= form_tag reservation_checkout_path(@reservation) %>
  #your fields
<% end %>
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