Initial commit

assets/data/subjects.json

@@ -0,0 +1,18 @@
+---
+# find and count unique subjects
+#
+# Requires CB's array_count_uniq.rb plugin!
+---
+{%- if site.data.theme.subjects-fields -%}
+{%- assign items = site.data[site.metadata] | where_exp: 'item','item.objectid' -%}
+{%- assign subjects-fields = site.data.theme.subjects-fields | split: ";" -%}
+{%- assign subjects = "" -%}
+{%- for c in subjects-fields -%}
+{% assign new = items | map: c | join: ";" %}
+{% assign subjects = subjects | append: ";" | append: new %}
+{%- endfor -%}
+{%- assign uniqSubjects = subjects | downcase | split: ";" | array_count_uniq -%}
+{ "subjects": [
+    {% for s in uniqSubjects %}{ "subject" : {{ s[0] | jsonify }}, "count" : {{ s[1] | jsonify }}, "link" : {{ s[0] | url_param_escape | prepend: '/browse.html#' | absolute_url | jsonify }} }{% unless forloop.last %},
+    {% endunless %}{% endfor %}
+]}{%- endif -%}