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