+ alias Pleroma.Activity
+ alias Pleroma.Notification
+ alias Pleroma.Pagination
+ alias Pleroma.User
+
+ def get_followers(user, params \\ %{}) do
+ user
+ |> User.get_followers_query()
+ |> Pagination.fetch_paginated(params)
+ end
+
+ def get_friends(user, params \\ %{}) do
+ user
+ |> User.get_friends_query()
+ |> Pagination.fetch_paginated(params)
+ end
+
+ def get_notifications(user, params \\ %{}) do
+ options = cast_params(params)
+
+ user
+ |> Notification.for_user_query()
+ |> restrict(:exclude_types, options)
+ |> Pagination.fetch_paginated(params)
+ end
+
+ defp cast_params(params) do
+ param_types = %{
+ exclude_types: {:array, :string}
+ }
+
+ changeset = cast({%{}, param_types}, params, Map.keys(param_types))
+ changeset.changes
+ end
+
+ defp restrict(query, :exclude_types, %{exclude_types: mastodon_types = [_ | _]}) do
+ ap_types =
+ mastodon_types
+ |> Enum.map(&Activity.from_mastodon_notification_type/1)
+ |> Enum.filter(& &1)
+
+ query
+ |> where([q, a], not fragment("? @> ARRAY[?->>'type']::varchar[]", ^ap_types, a.data))
+ end
+
+ defp restrict(query, _, _), do: query
+end