- def is_public?(%Object{data: %{"type" => "Tombstone"}}), do: false
- def is_public?(%Object{data: data}), do: is_public?(data)
- def is_public?(%Activity{data: data}), do: is_public?(data)
- def is_public?(%{"directMessage" => true}), do: false
-
- def is_public?(data) do
- "https://www.w3.org/ns/activitystreams#Public" in (data["to"] ++ (data["cc"] || []))
- end
-
- def is_private?(activity) do
- !is_public?(activity) && Enum.any?(activity.data["to"], &String.contains?(&1, "/followers"))
- end
-
- def is_direct?(%Activity{data: %{"directMessage" => true}}), do: true
- def is_direct?(%Object{data: %{"directMessage" => true}}), do: true
-
- def is_direct?(activity) do
- !is_public?(activity) && !is_private?(activity)
- end
-
- def visible_for_user?(activity, nil) do
- is_public?(activity)
- end
-
- def visible_for_user?(activity, user) do
- x = [user.ap_id | user.following]
- y = activity.data["to"] ++ (activity.data["cc"] || [])
- visible_for_user?(activity, nil) || Enum.any?(x, &(&1 in y))
- end
-
- # guard
- def entire_thread_visible_for_user?(nil, _user), do: false
-
- # child
- def entire_thread_visible_for_user?(
- %Activity{data: %{"object" => %{"inReplyTo" => parent_id}}} = tail,
- user
- )
- when is_binary(parent_id) do
- parent = Activity.get_in_reply_to_activity(tail)
- visible_for_user?(tail, user) && entire_thread_visible_for_user?(parent, user)
- end
-
- # root
- def entire_thread_visible_for_user?(tail, user), do: visible_for_user?(tail, user)
-