Move polldaddy script to an include, and update some options

- use a config-variable for the ID
- exclude the script if no ID is set
- set default font and font-color

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

_config.yml

@@ -16,6 +16,7 @@ exclude: ["_scripts", "tests", "apidocs/layouts", "Gemfile", "hooks", "index.htm
 # Google Analytics, etc.
 # TODO these should only be set when building for production, or passed as an environment variable when building
 google_analytics: GTM-WL2QLG5
+polldaddy_id: 8453675
 
 
 # Component versions -- address like site.docker_ce_version

_includes/analytics/polldaddy.html

@@ -0,0 +1,18 @@
+{%- if site.polldaddy_id and site.polldaddy_id != '' -%}
+<script>
+    let PDRTJS_settings_{{ site.polldaddy_id }} = {
+        "id": "{{ site.polldaddy_id }}",
+        "unique_id": "{{ page.path }}",
+        "title": "{{ page.title | default: page_title }}",
+        "font_family": "Open Sans, sans serif",
+        "font_color": "b9c2cc",
+        "font_align": "center",
+        "permalink": "https://github.com/docker/docker.github.io/blob/master/{{ page.path }}"
+    };
+    (function (d, c, j) {
+        if (!document.getElementById(j)) {
+            let pd=d.createElement(c),s;pd.id=j;pd.src='https://polldaddy.com/js/rating/rating.js';s=document.getElementsByTagName(c)[0];s.parentNode.insertBefore(pd, s);
+        }
+    }(document, 'script', 'pd-rating-js'));
+</script>
+{%- endif -%}

_includes/body.html

@@ -33,8 +33,8 @@
                             </span>
                             {%- endif -%}
                             {%- endunless %}
-                            {%- if page.noratings != true -%}
+                            {%- if site.polldaddy_id and page.noratings != true -%}
-                            <div class="ratings-div"><div id="pd_rating_holder_8453675"></div></div>
+                            <div class="ratings-div"><div id="pd_rating_holder_{{ site.polldaddy_id }}"></div></div>
                             {%- endif -%}
                         </section>
                     </main>
@@ -96,21 +96,5 @@
     <script defer src="/js/docs.js"></script>
     <script defer src="/js/toc.js"></script>
     <script defer src="/js/search.js"></script>
-    <script>
+    {%- include analytics/polldaddy.html -%}
-        PDRTJS_settings_8453675 = {
-            "id": "8453675",
-            "unique_id": "{{ page.path }}",
-            "title": "{{ page.title | default: page_title }}",
-            "permalink": "https://github.com/docker/docker.github.io/blob/master/{{ page.path }}"
-        };
-        (function (d, c, j) {
-            if (!document.getElementById(j)) {
-                var pd = d.createElement(c), s;
-                pd.id = j;
-                pd.src = ('https:' === document.location.protocol) ? 'https://polldaddy.com/js/rating/rating.js' : 'http://i0.poll.fm/js/rating/rating.js';
-                s = document.getElementsByTagName(c)[0];
-                s.parentNode.insertBefore(pd, s);
-            }
-        }(document, 'script', 'pd-rating-js'));
-    </script>
 </body>