Staticman - try to avoid spam by using javascript to write the form action (daattali#521)

Author: VincentTam

_includes/staticman-comments.html

@@ -20,7 +20,7 @@ <h3 class="page__comments-title">{{ site.data.ui-text[site.locale].comments_titl
     <div class="page__comments-form">
       <h3 class="page__comments-title">{{ site.data.ui-text[site.locale].comments_label | default: "Leave a Comment" }}</h3>
       <p class="small">{{ site.data.ui-text[site.locale].comment_form_info | default: "Your email address will not be published. Required fields are marked" }} <span class="required">*</span></p>
-      <form id="new_comment" class="page__comments-form js-form form" method="post" action="{{ site.staticman.endpoint | default: 'https://staticman3.herokuapp.com/v3/entry/github/' }}{{ site.staticman.repository }}/{{ site.staticman.branch }}/comments">
+      <form id="new_comment" class="page__comments-form js-form form" method="post">
         <div class="form-group">
           <label for="comment-form-message">{{ site.data.ui-text[site.locale].comment_form_comment_label | default: "Comment" }} <small class="required">*</small></label><br>
           <textarea type="text" rows="12" cols="36" id="comment-form-message" name="fields[message]" tabindex="1"></textarea>
@@ -48,7 +48,8 @@ <h3 class="page__comments-title">{{ site.data.ui-text[site.locale].comments_labe
         </div>
         <!-- Start comment form alert messaging -->
         <p class="hidden js-notice">
-          <strong class="js-notice-text"></strong>
+          <strong class="js-notice-text-success hidden">{{ site.data.ui-text[site.locale].comment_success_msg | default: "Thanks for your comment! It will show on the site once it has been approved." }}</strong>
+          <strong class="js-notice-text-failure hidden">{{ site.data.ui-text[site.locale].comment_error_msg | default: "Sorry, there was an error with your submission. Please make sure all required fields have been completed and try again." }}</strong>
         </p>
         <!-- End comment form alert messaging -->
         {% if site.staticman.reCaptcha.siteKey %}
@@ -58,6 +59,7 @@ <h3 class="page__comments-title">{{ site.data.ui-text[site.locale].comments_labe
         {% endif %}
         <div class="form-group">
           <button type="submit" id="comment-form-submit" tabindex="5" class="btn btn--primary btn--large">{{ site.data.ui-text[site.locale].comment_btn_submit | default: "Submit Comment" }}</button>
+          <button type="submit" id="comment-form-submitted" tabindex="5" class="btn btn--primary btn--large hidden" disabled>{{ site.data.ui-text[site.locale].comment_btn_submitted | default: "Submitted" }}</button>
         </div>
       </form>
     </div>
@@ -67,6 +69,13 @@ <h3 class="page__comments-title">{{ site.data.ui-text[site.locale].comments_labe
       <script async src="https://www.google.com/recaptcha/api.js"></script>
     {% endif %}
   </div>
+
   <!-- Load script to handle comment form submission -->
-  {% include staticman-script.html %}
+  <!-- doing something a bit funky here because I want to be careful not to include JQuery twice! -->
+  <script>
+    if (typeof jQuery == 'undefined') {
+      document.write('<script src="{{ "/js/jquery-1.11.2.min.js" | relative_url }}"></scr' + 'ipt>');
+    }
+  </script>
+  <script src="{{ "/js/staticman.js" | relative_url }}"></script>
 {% endif %}

_includes/staticman-script.html

@@ -66,13 +66,6 @@
 .staticman-comments .form {
   position: relative;
 }
-/*
- Disabled state
- ========================================================================== */
-.staticman-comments input[disabled][disabled], .staticman-comments textarea[disabled], .staticman-comments input[readonly][readonly], .staticman-comments textarea[readonly] {
-  opacity: 0.5;
-  cursor: not-allowed;
-}
 /*
  Focus & active state
  ========================================================================== */

css/staticman.css

@@ -0,0 +1,54 @@
+---
+layout: null
+---
+
+(function ($) {
+  var $comments = $('.js-comments');
+
+  $('#new_comment').submit(function () {
+    var form = this;
+
+    $(form).addClass('disabled');
+
+    {% assign sm = site.staticman -%}
+    var endpoint = '{{ sm.endpoint | default: "https://staticman3.herokuapp.com/v3/entry/github/" }}';
+    var repository = '{{ sm.repository }}';
+    var branch = '{{ sm.branch }}';
+
+    $.ajax({
+      type: $(this).attr('method'),
+      url: endpoint + repository + '/' + branch + '/comments',
+      data: $(this).serialize(),
+      contentType: 'application/x-www-form-urlencoded',
+      success: function (data) {
+        $('#comment-form-submit').addClass('hidden');
+        $('#comment-form-submitted').removeClass('hidden');
+        $('.page__comments-form .js-notice').removeClass('notice--danger');
+        $('.page__comments-form .js-notice').addClass('notice--success');
+        showAlert('success');
+      },
+      error: function (err) {
+        console.log(err);
+        $('#comment-form-submitted').addClass('hidden');
+        $('#comment-form-submit').removeClass('hidden');
+        $('.page__comments-form .js-notice').removeClass('notice--success');
+        $('.page__comments-form .js-notice').addClass('notice--danger');
+        showAlert('failure');
+        $(form).removeClass('disabled');
+      }
+    });
+
+    return false;
+  });
+
+  function showAlert(message) {
+    $('.page__comments-form .js-notice').removeClass('hidden');
+    if (message == 'success') {
+      $('.page__comments-form .js-notice-text-success').removeClass('hidden');
+      $('.page__comments-form .js-notice-text-failure').addClass('hidden');
+    } else {
+      $('.page__comments-form .js-notice-text-success').addClass('hidden');
+      $('.page__comments-form .js-notice-text-failure').removeClass('hidden');
+    }
+  }
+})(jQuery);