Adds avatars to activitypub actor

Fixes #45

fedireads/activitypub/actor.py

@@ -1,7 +1,17 @@
 ''' actor serializer '''
+from fedireads.settings import DOMAIN
 
 def get_actor(user):
     ''' activitypub actor from db User '''
+    avatar = user.avatar
+
+    icon_path = '/static/images/default_avi.jpg'
+    icon_type = 'image/jpeg'
+    if avatar:
+        icon_path = avatar.url
+        icon_type = 'image/%s' % icon_path.split('.')[-1]
+
+    icon_url = 'https://%s%s' % (DOMAIN, icon_path)
     return {
         '@context': [
             'https://www.w3.org/ns/activitystreams',
@@ -33,5 +43,10 @@ def get_actor(user):
         },
         'fedireadsUser': True,
         'manuallyApprovesFollowers': user.manually_approves_followers,
+        "icon": {
+            "type": "Image",
+            "mediaType": icon_type,
+            "url": icon_url,
+        },
     }