akkoma/priv/repo/migrations/20190109152453_add_visibility_function.exs
Oneric 1a4238bf98 cosmetic: fix concurrent index creation warnings
Since those old migrations will now most likely only run during db init,
there’s not much point in running them in the background concurrently
anyway, so just drop the cncurrent setting rather than disabling
migration locks.
2024-06-19 02:25:23 +02:00

49 lines
1.3 KiB
Elixir

defmodule Pleroma.Repo.Migrations.AddVisibilityFunction do
use Ecto.Migration
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;
"""
execute(definition)
create(
index(:activities, ["activity_visibility(actor, recipients, data)"],
name: :activities_visibility_index
)
)
end
def down do
drop_if_exists(
index(:activities, ["activity_visibility(actor, recipients, data)"],
name: :activities_visibility_index
)
)
execute(
"drop function if exists activity_visibility(actor varchar, recipients varchar[], data jsonb)"
)
end
end