Remove duplicated entries in users' following lists

1 files changed, 13 insertions, 1 deletions

diff --git a/lib/pleroma/user.ex b/lib/pleroma/user.ex
index 1aa966dfc..9ffb61300 100644
--- a/lib/pleroma/user.ex
+++ b/lib/pleroma/user.ex
@@ -166,7 +166,7 @@ defmodule Pleroma.User do
 
   def update_changeset(struct, params \\ %{}) do
     struct
-    |> cast(params, [:bio, :name, :avatar])
+    |> cast(params, [:bio, :name, :avatar, :following])
     |> unique_constraint(:nickname)
     |> validate_format(:nickname, local_nickname_regex())
     |> validate_length(:bio, max: 5000)
@@ -709,6 +709,18 @@ defmodule Pleroma.User do
     end
   end
 
+  def remove_duplicated_following(%User{following: following} = user) do
+    uniq_following = Enum.uniq(following)
+
+    if length(following) == length(uniq_following) do
+      {:ok, user}
+    else
+      user
+      |> update_changeset(%{following: uniq_following})
+      |> update_and_set_cache()
+    end
+  end
+
   @spec get_users_from_set([String.t()], boolean()) :: [User.t()]
   def get_users_from_set(ap_ids, local_only \\ true) do
     criteria = %{ap_id: ap_ids, deactivated: false}