Merge pull request 'updates holen' (#10) from grunfink/snac2:master into master

Reviewed-on: https://codeberg.org/zen/snac2/pulls/10

1 files changed, 29 insertions, 1 deletions

diff --git a/activitypub.c b/activitypub.c
index 100db67..634e243 100644
--- a/activitypub.c
+++ b/activitypub.c
@@ -1518,7 +1518,35 @@ xs_dict *msg_delete(snac *snac, const char *id)
     /* now create the Delete */
     msg = msg_base(snac, "Delete", "@object", snac->actor, "@now", tomb);
 
-    msg = xs_dict_append(msg, "to", public_address);
+    xs *to = xs_list_new();
+    xs *involved = object_likes(id);
+    xs *boosts = object_announces(id);
+    xs *children = object_children(id);
+    const char *md5;
+
+    involved = xs_list_cat(involved, boosts);
+    involved = xs_list_cat(involved, children);
+
+    /* add everybody */
+    to = xs_list_append(to, public_address);
+
+    /* add actors that liked, boosted or replied to this */
+    xs_list_foreach(involved, md5) {
+        xs *actor = NULL;
+
+        if (valid_status(object_get_by_md5(md5, &actor))) {
+            const char *id = xs_dict_get(actor, "id");
+            const char *atto = get_atto(actor);
+
+            if (xs_is_string(atto))
+                to = xs_list_append(to, atto);
+            else
+            if (xs_is_string(id))
+                to = xs_list_append(to, id);
+        }
+    }
+
+    msg = xs_dict_append(msg, "to", to);
 
     return msg;
 }