sidebar - sometimes don't show links

Don't show download links on list or results page because user probably
expects a filtered download and instead they get a download of everything.

Don't show about button on about page
... because you are already there.

Author: jarofgreen

prefix_finder/frontend/templates/about.html

@@ -2,7 +2,7 @@
 {% load i18n %}
 {% block main %}
   <main class="main-wrapper" role="main">
-    {% include "sidebar.html" %}
+    {% include "sidebar.html" with sidebar_show_about_link=False %}
     <div class="main-content single-content about-page">
       <div>
         <h1 class="about-page__header">{% trans "About" %}</h1>

prefix_finder/frontend/templates/list.html

@@ -5,7 +5,7 @@
 
 {% block main %}
   <main class="main-wrapper" role="main">
-    {% include "sidebar.html" %}
+    {% include "sidebar.html" with sidebar_show_download_links=False  %}
 
     <div class="main-content single-content">
       <header class="single-content__header">

prefix_finder/frontend/templates/results.html

@@ -3,7 +3,7 @@
 
 {% block main %}
   <main class="main-wrapper" role="main">
-    {% include "sidebar.html" %}
+    {% include "sidebar.html" with sidebar_show_download_links=False %}
 
     <div class="main-content">
       <div class="list-group list-group--suggested">

prefix_finder/frontend/templates/sidebar.html

@@ -84,11 +84,15 @@
   </div>
 
   <footer class="sidebar__footer">
+    {% if sidebar_show_about_link is None or sidebar_show_about_link is True %}
     <a href="/about" class="button button--block">About</a>
+    {% endif %}
 
+    {% if sidebar_show_download_links is None or sidebar_show_download_links is True %}
     <h5>Download</h5>
     <a href="{% url 'json_download' %}" class="button button--third">JSON</a>
     <a href="{% url 'csv_download' %}" class="button button--third">CSV</a>
     <a href="{% url 'xml_download' %}" class="button button--third">XML</a>
+    {% endif %}
   </footer>
 </div>