cal: set featured_image in template

lumbunglib/cloudcal.py

@@ -75,6 +75,7 @@ def create_metadata(event):
         "duration": date.compress(event.duration),
         "location": event.location,
         "uid": event.uid,
+        "featured_image": "",
         "images": find_imageURLS(event.description),  # currently not used in template
     }
 
@@ -158,6 +159,8 @@ def create_event_post(post_dir, event):
                 event_metadata["description"] = event_metadata["description"].replace(
                     img, "![]({})".format(img_name)
                 )
+                if event_metadata["featured_image"] == "":
+                    event_metadata["featured_image"] = img_name
         if img_name in existing_images:
             existing_images.remove(img_name)
 

lumbunglib/templates/calendar.md

@@ -8,6 +8,9 @@ event_end: "{{ event.end }}"
 duration: "{{ event.duration }}"
 localized_begin: "{{ event.localized_begin }}"
 uid: "{{ event.uid }}"
+{% if event.featured_image %}
+featured_image: "{{ event.featured_image }}"
+{% endif %}
 {% if event.location %}
 location: "{{ event.location }}"
 {% endif %}