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# Pleroma: A lightweight social networking server
# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Repo.Migrations.UpdateActivityVisibility do
use Ecto.Migration
@disable_ddl_transaction true
def up do
definition = """
create or replace function activity_visibility(actor varchar, recipients varchar[], data jsonb) returns varchar as $$
DECLARE
fa varchar;
public varchar := 'https://www.w3.org/ns/activitystreams#Public';
BEGIN
SELECT COALESCE(users.follower_address, '') into fa from users where users.ap_id = actor;
IF data->'to' ? public THEN
RETURN 'public';
ELSIF data->'cc' ? public THEN
RETURN 'unlisted';
ELSIF ARRAY[fa] && recipients THEN
RETURN 'private';
ELSIF not(ARRAY[fa, public] && recipients) THEN
RETURN 'direct';
ELSE
RETURN 'unknown';
END IF;
END;
$$ LANGUAGE plpgsql IMMUTABLE PARALLEL SAFE SECURITY DEFINER;
"""
execute(definition)
end
def down do
end
end
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