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javascript - paypal 与 ruby​​ on rails 集成的“zoid 破坏了所有错误”

问题描述

当贝宝按钮尝试加载我的 ruby​​-on-rails 项目时，我收到一条错误消息，提示 zoid 已全部损坏。当我最初将项目直接加载到付款页面时，按钮可以工作，但每当我离开该页面并返回时，我都会收到错误消息。经过一些研究，它似乎来自贝宝正在使用的一个名为 krakenjs 的 JavaScript 库。我读过多次加载贝宝库可能会出现问题，这可以解释为什么它第一次有效但之后无效。将不胜感激任何见解。

application.html.erb - 这是 paypal javascript 库包含在标头中的位置

<!DOCTYPE html>
<html>
  <head>
    <title>Sweepstakes</title>
    <%= csrf_meta_tags %>
    <%= csp_meta_tag %>

    <%= stylesheet_link_tag 'application', media: 'all', 'data-turbolinks-track': 'reload' %>
    <%= javascript_pack_tag 'application', 'data-turbolinks-track': 'reload' %>
    <%= stripe_javascript_tag %>

    <div class = "navbar">
      <ul>
        <li><%= link_to "Home", root_path %></li>
        <li><%= link_to "Contributions", orders_path %></li>
        <% if user_signed_in? %>
          <li class = "profile-drpdwn">
            <a href="javascript:void(0)" class="dropbtn"><%= current_user.email %></a>
            <div class="dropdown-content">
              <%= link_to 'Edit profile', edit_user_registration_path, :class => 'navbar-link' %>
              <%= link_to "Logout", destroy_user_session_path, method: :delete, :class => 'navbar-link'  %>
            </div>
          </li>
        <% else %>
          <li id = "navbar" class = "navbar-fr"><%= link_to "Sign up", new_user_registration_path, :class => 'navbar-link'  %></li>
          <li id = "navbar" class = "navbar-fr"><%= link_to "Login", new_user_session_path, :class => 'navbar-link'  %></li>
        <% end %>
      </ul>
    </div>

    <script src="https://www.paypal.com/sdk/js?client-id=<%=ENV['PAYPAL_CLIENT_ID']%>&components=buttons"></script>
  </head>

  <% if notice %>
    <p class="alert alert-success"><%= notice %></p>
  <% end %>
  <% if alert %>
    <p class="alert alert-danger"><%= alert %></p>
  <% end %>

  <body>
    <%= yield %>
  </body>
</html>

呈现 paypal 按钮的订单页面的 index.html.erb

<div class = "formdiv">
  <h1>Contribution Options</h1>
  <%= form_tag({:controller => "orders", :action => "submit" }, {:id => 'order-details'}) do %>
    <input id="order-type" name="orders[payment_gateway]" type="hidden" value="stripe">
    <div class="form_row">
        <h4>Charges/Payments</h4>
        <% @contributions_purchase.each do |contribution| %>
          <div data-charges-and-payments-section = true>
          <%= radio_button_tag 'orders[contribution_id]', contribution.id, @contributions_purchase.first == contribution %>
          <span id="radioButtonName<%= contribution.id %>"><%= contribution.name %></span>
          <span data-price="<%= contribution.price_cents %>" id="radioButtonPrice<%= contribution.id %>"><%= number_to_currency(contribution.price) %></span>
          </div>
          <br>
        <% end %>
        <h4>Subscriptions</h4>
        <% @contributions_subscription.each do |contribution| %>
          <div>
            <%= radio_button_tag 'orders[contribution_id]', contribution.id, false %>
            <span id="radioButtonName<%= contribution.id %>"><%= contribution.name %></span>
            <span data-price="<%= contribution.price_cents %>" id="radioButtonPrice<%= contribution.id %>"><%= number_to_currency(contribution.price) %></span>
          </div>
          <br/>
        <% end %>
    </div>
    <hr>
    <keep-alive>
    <h1>Payment Method</h1>
    <div class="form_row">
      <div>
        <%= radio_button_tag 'payment-selection', 'stripe', true, onclick: "changeTab();" %>
        <span>Stripe</span>
      </div>
      <br/>
      <div>
        <%= radio_button_tag 'payment-selection', 'paypal', false, onclick: "changeTab();" %>
        <span>Paypal</span>
      </div>
    </div>
    <br/>
    <br/>
    <div class="paymentSelectionTab active" id="tab-stripe">
      <div id="card-element"></div>
      <div id="card-errors" role="alert"></div>
      <br/>
      <br/>
      <%= submit_tag "Submit", id: "submit-stripe" %>
    </div>
    <div class="paymentSelectionTab" id="tab-paypal">
      <div id="submit-paypal"></div>
    </div>
    </keep-alive>
    <br>
    <br>
  <% end %>
</div>

<script>
  try {
    console.log("script working")
    function changeTab() {
      console.log("changeTab working")
      var newActiveTabID = $('input[name="payment-selection"]:checked').val();
      $('.paymentSelectionTab').removeClass('active');
      $('#tab-' + newActiveTabID).addClass('active');
    }

    function setupStripe() {
      console.log("setupStripe working")
      //Initialize stripe with publishable key
      // {ENV['STRIPE_PUBLISHABLE_KEY']}
      var stripe = Stripe("<%= ENV['STRIPE_PUBLISHABLE_KEY'] %>");

      //Create Stripe credit card elements.
      var elements = stripe.elements();
      var card = elements.create('card');

      //Add a listener in order to check if
      card.addEventListener('change', function(event) {
        console.log("event listener working")
        //the div card-errors contains error details if any
        var displayError = document.getElementById('card-errors');
        document.getElementById('submit-stripe').disabled = false;
        if (event.error) {
          console.log("card error")
          // Display error
          displayError.textContent = event.error.message;
        } else {
          console.log("No card error")
          // Clear error
          displayError.textContent = '';
        }
      });

      // Mount Stripe card element in the #card-element div.
      card.mount('#card-element');
      var form = document.getElementById('order-details');
      // This will be called when the #submit-stripe button is clicked by the user.
      form.addEventListener('submit', function(event) {
        console.log("Submit event lister added")
        $('#submit-stripe').prop('disabled', true);
        event.preventDefault();
        stripe.createToken(card).then(function(result) {
          if (result.error) {
            console.log("error on button press")
            // Inform that there was an error.
            var errorElement = document.getElementById('card-errors');
            errorElement.textContent = result.error.message;
          } else {
            console.log("no error on button press")
            // Now we submit the form. We also add a hidden input storing 
            // the token. So our back-end can consume it.
            var $form = $("#order-details");
            // Add a hidden input orders[token]
            $form.append($('<input type="hidden" name="orders[token]"/>').val(result.token.id));
            // Set order type
            $('#order-type').val('stripe');
            $form.submit();
          }
        });
        return false;
      });
    };

    function setupPaypal() {
      console.log("setupPaypal working")
      function isPayment() {
        console.log("isPayment")
        return $('[data-charges-and-payments-section] input[name="orders[contribution_id]"]:checked').length
      }

      function submitOrderPaypal(chargeID) {
        var $form = $("#order-details");
        // Add a hidden input orders[charge_id]
        console.log("check 1")
        console.log(chargeID)
        console.log("Check 2")
        $form.append($('<input type="hidden" name="orders[charge_id]"/>').val(chargeID));
        // Set order type
        $('#order-type').val('paypal');
        $form.submit();
      }

      paypal.Buttons({
        env: "<%= ENV['PAYPAL_ENV'] %>",
        createOrder: function() {
          $('#order-type').val("paypal");
          if (isPayment()) {
            console.log("if isPayment")
            return $.post("<%= paypal_create_payment_url %>", $('#order-details').serialize()).then(function(data) {
              return data.token;
            });
          } else {
            console.log("else isPayment")
          }
        },
        onApprove: function(data) {
          if (isPayment()) {
            console.log("onApprove")
            return $.post("<%= paypal_execute_payment_url %>", {
              paymentID: data.paymentID,
              payerID:   data.payerID
            }).then(function() {
              console.log(data.paymentID)
              submitOrderPaypal(data.paymentID)
            });
          } else {
            console.log("else")
          }
        return buttonComp
        }
      }).render('#submit-paypal');
    };
    setupStripe()
    setupPaypal()
  } catch(err){
    console.log(err)
  }
</script>

标签： javascriptruby-on-railspaypal

解决方案

确保在 javascript_pack_tag 之前定义 paypal 脚本链接，如下所示：

<!-- Paypal SDK -->
<script src="https://www.paypal.com/sdk/js?client-id=CLIENT_ID&vault=true"></script>

<%= stylesheet_link_tag 'admin', media: 'all', 'data-turbolinks-track': 'reload' %>
<%= javascript_pack_tag 'admin', 'data-turbolinks-track': 'reload' %>

在您的 application.js 中将 paypal 脚本添加到 turbolinks:load 函数

document.addEventListener("turbolinks:load", () => {
  paypal.Buttons({
    createSubscription: function(data, actions) {
      return actions.subscription.create({
        'plan_id': 'P-SOME-PLAN-ID'
      });
    },
    onApprove: function(data, actions) {
      alert('You have successfully created subscription ' + data.subscriptionID);
    }
  }).render('#paypal-button-container');
});

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