(squash) fix linking to translations of current article

Author: jaxter184

templates/index.html

@@ -42,10 +42,21 @@
                         <nav itemscope itemtype="http://schema.org/SiteNavigationElement">
                         {% if config.languages %}
                             <div style="float: right">
+                            <!-- does not show the current language -->
                             {% for key, value in config.languages %}
+                                {% set_global lang_url = value.translations.url | safe | replace(from="$BASE_URL", to=config.base_url) | replace(from="$LANG_BASE_URL", to=lang_base_url) %}
+                                <!-- check to see if the language has a translation of the current article -->
+                                {% if page %}
+                                    {%for ea_translation in page.translations%}
+                                        {%if ea_translation.lang == key%}
+                                            {% set_global lang_url = ea_translation.permalink %}
+                                        {%endif%}
+                                    {% endfor %}
+                                {% elif taxonomy.slug %}
+                                    {% set_global lang_url = value.translations.url ~ `/` ~  taxonomy.slug | safe | replace(from="$BASE_URL", to=config.base_url) | replace(from="$LANG_BASE_URL", to=lang_base_url) %}
+                                {% endif %}
                                 <a itemprop="url"
-                                   class="navbar {% if value.translations.url | replace(from="$BASE_URL", to=config.base_url) | replace(from="$LANG_BASE_URL", to=lang_base_url) == current_url %}active{% endif %}"
-                                   href="{{ value.translations.url | safe | replace(from="$BASE_URL", to=config.base_url) | replace(from="$LANG_BASE_URL", to=lang_base_url) }}">
+                                   href="{{lang_url}}">
                                     <span itemprop="name">{% if value.translations.trans_key %}{{ trans(key=value.translations.trans_key, lang=lang) }}{% else %}{{ value.translations.name }}{% endif %}</span></a>
                             {% endfor %}
                             </div>