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algoliterary_filters.py

@@ -0,0 +1,33 @@
+from typing import List
+from datetime import date, datetime
+
+def find_category (categories, slug):
+  for (category, articles) in categories:
+    if category.slug == slug:
+      return (category, articles)
+  
+  return (None, None)
+
+def get_category_articles (categories, slug):
+  category, articles = find_category(categories, slug)
+
+  if category:
+    return articles
+  else:
+    return []
+
+def display_if_set (value, label):
+  if value:
+    if isinstance(value, (list, tuple)):
+      value = ', '.join(value)
+
+    if isinstance(value, (date)):
+      value = date.strftime(value, '%d-%m-%Y')
+
+    if isinstance(value, (datetime)):
+      value = date.strftime(value, '%d-%m-%Y %H:%i')
+
+
+    return '<dt>{}</dt><dd>{}</dd>'.format(label, value)
+  else:
+    return ''