Use new video method & add video subtitles translations in "All WAI T…

…ranslations" (w3c#377)

* Add symlink to video-metadata.yml

* Add symlink to wai-videos folder containing VTT files

* Automatically list Video Subtitles in All WAI Translations

_data/video-metadata.yml

@@ -0,0 +1 @@
+../_external/data/video-metadata.yml

translations.md

@@ -265,12 +265,21 @@ _Languages are listed alphabetically by language code. For example, "Chinese" is
 
 {% assign lang1=site.documents | where_exp:"item", "item.lang != 'en'" | where_exp:"item", "item.lang !=  nil" | map: "lang" %}
 {% assign lang2=site.pages | where_exp:"item", "item.lang != 'en'" | where_exp:"item", "item.lang !=  nil" | map: "lang" %}
+
 {% for lang in page.translated_standards %}
 {%- if forloop.first %}{% assign lang3 = lang.lang %}{%else%}{% assign lang3 = lang3 | append: "," | append: lang.lang %}{% endif -%}
 {% endfor %}
-
 {% assign lang3 = lang3 | split: "," %}
-{% assign langs = lang3 | concat: lang2 | concat: lang1 | uniq | sort %}
+
+{% assign video-translations=site.data.video-metadata | where_exp: "item", "item.name.en and item.main-page" | map: "subtitles" %}
+{%- for video in video-translations -%}
+{%- for video-lang in video -%}
+{%- if forloop.first and forloop.parentloop.first -%}{% assign lang4 = video-lang %}{% else %}{% assign lang4 = lang4 | append: "," | append: video-lang %}{% endif -%}
+{%- endfor -%}
+{%- endfor -%}
+{% assign lang4 = lang4 | split: ',' %}
+
+{% assign langs = lang4 | concat: lang3 | concat: lang2 | concat: lang1 | uniq | sort %}
 
 {%- for l in langs -%}
 {% if l %}
@@ -344,26 +353,37 @@ _Languages are listed alphabetically by language code. For example, "Chinese" is
   {% endif -%}
 {% endfor %}
 
+{% assign videos = site.data.video-metadata | where_exp: "item", "item.subtitles contains l and item.name.en and item.main-page" | sort: "main-page" %}
+{% for video in videos %}
+  {%- assign alldocs=site.documents | concat: site.pages -%}
+  {%- assign t-video-page=alldocs | where: "ref", video.main-page | where: "lang", l | first -%}
+  {%- if forloop.first -%}
+    <div>
+      <dt>{% include_cached t.html t='Video Subtitles' lang=l hideTranslationHints=true %}</dt>
+      <dd>
+        <dl lang="{{l}}">
+  {%- endif -%}
+          <div>
+            <dt>
+            <a href="{% if t-video-page %}{{ t-video-page.url | relative_url }}"{% else %}{{ video.main-page | relative_url }}" lang="en"{% endif %}>
+            {% if video.name[l] %}{{ video.name[l]}}{% else %}<span lang="en">{{ video.name.en }}</span>{% endif %}
+            </a>
+            </dt>
+            <dd lang="en">{% if video.name[l] %}English title: <i>{{ video.name.en }}</i>{% endif %}</dd>
+          </div>
+  {%- if forloop.last %}
+        </dl>
+      </dd>
+    </div>
+  {% endif -%}
+{% endfor %}
 </dl>
 
 {% include excol.html type="end" %}
 
 {% endif %}
 {% endfor %}
 
-## Other Languages: Video Subtitles
-
-Subtitles for the [Video Introduction to Web Accessibility and W3C Standards](https://www.w3.org/WAI/videos/standards-and-benefits/) are available in the following languages (in addition to the ones listed above): 
-* فارسی (Persian) fa
-* ગુજરાતી (Gujarati) gu
-* हिन्दी, हिंदी (Hindi) hi
-* Magyar (Hungarian) hu
-* Italiano (Italian) it
-* kok कोंकणी (Goan Konkani) kok
-* മലയാളം (Malayalam) ml
-* मराठी (Marathi) mr
-* తెలుగు (Telugu) te
-
 ## Other WAI Translations Listings
 
 _The lists below are for specific standards, whereas the lists above include all published WAI translations. The completed translations in the lists below are included under the languages above._

wai-videos

@@ -0,0 +1 @@
+_external/data/wai-videos/