+ @doc "A mass follow for local users. Ignores blocks and has no side effects"
+ @spec follow_all(User.t(), list(User.t())) :: {atom(), User.t()}
+ def follow_all(follower, followeds) do
+ following =
+ (follower.following ++ Enum.map(followeds, fn %{follower_address: fa} -> fa end))
+ |> Enum.uniq()
+
+ {:ok, follower} =
+ follower
+ |> follow_changeset(%{following: following})
+ |> update_and_set_cache
+
+ Enum.each(followeds, fn followed ->
+ update_follower_count(followed)
+ end)
+
+ {:ok, follower}
+ end
+