move outgoing activitypub json into ap module

fedireads/activitypub/__init__.py

@@ -1,5 +1,6 @@
 ''' bring activitypub functions into the namespace '''
 from .actor import get_actor
-from .collection import get_add, get_remove
+from .collection import get_outbox, get_outbox_page, get_add, get_remove
 from .create import get_create
+from .follow import get_follow_request, get_accept
 from .status import get_review, get_status

fedireads/activitypub/collection.py

@@ -1,5 +1,49 @@
 ''' activitypub json for collections '''
 from uuid import uuid4
+from urllib.parse import urlencode
+
+from .status import get_status
+
+def get_outbox(user, size):
+    ''' helper function for creating an outbox '''
+    return get_ordered_collection(user.outbox, size)
+
+
+def get_outbox_page(user, page_id, statuses, max_id, min_id):
+    ''' helper for formatting outbox pages '''
+    # not generalizing this more because the format varies for some reason
+    page = {
+        '@context': 'https://www.w3.org/ns/activitystreams',
+        'id': page_id,
+        'type': 'OrderedCollectionPage',
+        'partOf': user.outbox,
+        'orderedItems': [],
+    }
+
+    for status in statuses:
+        page['orderedItems'].append(get_status(status))
+
+    if max_id:
+        page['next'] = user.outbox + '?' + \
+            urlencode({'min_id': max_id, 'page': 'true'})
+    if min_id:
+        page['prev'] = user.outbox + '?' + \
+            urlencode({'max_id': min_id, 'page': 'true'})
+
+    return page
+
+
+def get_ordered_collection(path, size):
+    ''' create an ordered collection '''
+    return {
+        '@context': 'https://www.w3.org/ns/activitystreams',
+        'id': path,
+        'type': 'OrderedCollection',
+        'totalItems': size,
+        'first': '%s?page=true' % path,
+        'last': '%s?min_id=0&page=true' % path
+    }
+
 
 def get_add(*args):
     ''' activitypub Add activity '''

fedireads/activitypub/follow.py

@@ -0,0 +1,28 @@
+''' makin' freinds inthe ap json format '''
+from uuid import uuid4
+
+from fedireads.settings import DOMAIN
+
+
+def get_follow_request(user, to_follow):
+    ''' a local user wants to follow someone '''
+    uuid = uuid4()
+    return {
+        '@context': 'https://www.w3.org/ns/activitystreams',
+        'id': 'https://%s/%s' % (DOMAIN, str(uuid)),
+        'summary': '',
+        'type': 'Follow',
+        'actor': user.actor,
+        'object': to_follow.actor,
+    }
+
+
+def get_accept(user, to_follow, request_activity):
+    return {
+        '@context': 'https://www.w3.org/ns/activitystreams',
+        'id': '%s#accepts/follows/' % to_follow.absolute_id,
+        'type': 'Accept',
+        'actor': to_follow.actor,
+        'object': activity,
+    }
+