+ def exists?(dictionary, rel_type, source, target, func) do
+ cond do
+ is_nil(source) or is_nil(target) ->
+ false
+
+ dictionary ->
+ [rel_type, source.id, target.id] in dictionary
+
+ true ->
+ func.(source, target)
+ end
+ end
+
+ @doc ":relationships option for StatusView / AccountView / NotificationView"
+ def view_relationships_option(nil = _reading_user, _actors) do
+ %{user_relationships: [], following_relationships: []}
+ end
+
+ def view_relationships_option(%User{} = reading_user, actors) do
+ user_relationships =
+ UserRelationship.dictionary(
+ [reading_user],
+ actors,
+ [:block, :mute, :notification_mute, :reblog_mute],
+ [:block, :inverse_subscription]
+ )
+
+ following_relationships = FollowingRelationship.all_between_user_sets([reading_user], actors)
+
+ %{user_relationships: user_relationships, following_relationships: following_relationships}
+ end
+