Encode the ‘Theme’ metadata

Uses the dc:subject, ‘Tag’ now uses ctag:Tag

relearn/management/commands/index.py

@@ -92,7 +92,8 @@ short_names = {
     "http://purl.org/dc/terms/language" : "language",
     "http://purl.org/dc/terms/type" : "type",
     "http://purl.org/dc/terms/identifier" : "id",
-    "http://purl.org/dc/terms/subject" : "tags",
+    "http://commontag.org/ns#Tag" : "tags",
+    "http://purl.org/dc/terms/subject" : "theme",
     "http://purl.org/dc/terms/contributor" : "participants",
     "http://purl.org/dc/terms/Location" : "place",
 }
@@ -132,7 +133,7 @@ def query_results_to_template_articles(query_results):
             # Some terms give us lists:
             if key in [
                "http://purl.org/dc/terms/creator",
-               "http://purl.org/dc/terms/subject",
+               "http://commontag.org/ns#Tag",
                "http://purl.org/dc/terms/contributor",
                "http://purl.org/dc/terms/Location"
             ]:

relearn/templates/partials/metadata.html

@@ -4,7 +4,7 @@
         {% if meta.theme %}
             <dt>Theme</dt>
             {% for theme in meta.theme %}
-            <dd>{{ theme }}</dd>
+            <dd property="dc:subject">{{ theme }}</dd>
             {% endfor %}
         {% endif %}
 
@@ -26,7 +26,7 @@
         {% if meta.tags %}
             <dt>Tags</dt>
             {% for tag in meta.tags %}
-            <dd property="dc:subject">{{ tag }}</dd>
+            <dd property="ctag:Tag">{{ tag }}</dd>
             {% endfor %}
         {% endif %}