owpengram-server/deploy/migrations/20260901000017_channel_membership_batch_invalidation.down.sql
2026-09-01 12:06:31 +03:00

109 lines
4.1 KiB
PL/PgSQL

DROP FUNCTION IF EXISTS public.telesrv_bump_channel_membership_read_models(bigint, bigint[]);
CREATE OR REPLACE FUNCTION public.telesrv_notify_channel_member_read_model()
RETURNS trigger
LANGUAGE plpgsql
AS $$
DECLARE
old_channel_id bigint;
old_user_id bigint;
new_channel_id bigint;
new_user_id bigint;
BEGIN
IF TG_OP <> 'INSERT' THEN
old_channel_id := OLD.channel_id;
old_user_id := OLD.user_id;
PERFORM public.telesrv_bump_read_model_version('channel_member', old_user_id, 'channel', old_channel_id);
PERFORM public.telesrv_bump_dialog_light(old_user_id, 'channel', old_channel_id);
END IF;
IF TG_OP <> 'DELETE' THEN
new_channel_id := NEW.channel_id;
new_user_id := NEW.user_id;
IF TG_OP = 'INSERT' OR (new_user_id, new_channel_id) IS DISTINCT FROM (old_user_id, old_channel_id) THEN
PERFORM public.telesrv_bump_read_model_version('channel_member', new_user_id, 'channel', new_channel_id);
PERFORM public.telesrv_bump_dialog_light(new_user_id, 'channel', new_channel_id);
END IF;
END IF;
RETURN NULL;
END;
$$;
CREATE OR REPLACE FUNCTION public.telesrv_notify_channel_participants_read_model()
RETURNS trigger
LANGUAGE plpgsql
AS $$
DECLARE
old_channel_id bigint;
new_channel_id bigint;
BEGIN
IF TG_OP = 'DELETE' THEN old_channel_id := OLD.channel_id;
ELSIF TG_OP = 'INSERT' THEN new_channel_id := NEW.channel_id;
ELSE old_channel_id := OLD.channel_id; new_channel_id := NEW.channel_id;
END IF;
IF old_channel_id IS NOT NULL THEN
PERFORM public.telesrv_bump_read_model_version('channel_participants', 0, 'channel', old_channel_id);
END IF;
IF new_channel_id IS NOT NULL AND new_channel_id IS DISTINCT FROM old_channel_id THEN
PERFORM public.telesrv_bump_read_model_version('channel_participants', 0, 'channel', new_channel_id);
END IF;
RETURN NULL;
END;
$$;
CREATE OR REPLACE FUNCTION public.telesrv_notify_channel_dialog_light_read_model()
RETURNS trigger
LANGUAGE plpgsql
AS $$
DECLARE
old_owner_id bigint;
old_channel_id bigint;
new_owner_id bigint;
new_channel_id bigint;
BEGIN
IF TG_OP <> 'INSERT' THEN
old_owner_id := OLD.user_id; old_channel_id := OLD.channel_id;
PERFORM public.telesrv_bump_dialog_light(old_owner_id, 'channel', old_channel_id);
END IF;
IF TG_OP <> 'DELETE' THEN
new_owner_id := NEW.user_id; new_channel_id := NEW.channel_id;
IF TG_OP = 'INSERT' OR (new_owner_id, new_channel_id) IS DISTINCT FROM (old_owner_id, old_channel_id) THEN
PERFORM public.telesrv_bump_dialog_light(new_owner_id, 'channel', new_channel_id);
END IF;
END IF;
RETURN NULL;
END;
$$;
CREATE OR REPLACE FUNCTION public.telesrv_notify_channel_active_memberships_read_model()
RETURNS trigger
LANGUAGE plpgsql
AS $$
DECLARE
old_owner bigint;
new_owner bigint;
changed boolean;
BEGIN
IF TG_OP = 'DELETE' THEN
old_owner := OLD.user_id;
IF old_owner <> 0 THEN PERFORM public.telesrv_bump_read_model_version('channel_active_memberships', old_owner, 'user', old_owner); END IF;
RETURN NULL;
END IF;
new_owner := NEW.user_id;
IF TG_OP = 'INSERT' THEN
IF new_owner <> 0 THEN PERFORM public.telesrv_bump_read_model_version('channel_active_memberships', new_owner, 'user', new_owner); END IF;
RETURN NULL;
END IF;
old_owner := OLD.user_id;
changed := OLD.user_id IS DISTINCT FROM NEW.user_id OR OLD.channel_id IS DISTINCT FROM NEW.channel_id OR
OLD.status IS DISTINCT FROM NEW.status OR OLD.deleted IS DISTINCT FROM NEW.deleted;
IF changed THEN
IF old_owner <> 0 THEN PERFORM public.telesrv_bump_read_model_version('channel_active_memberships', old_owner, 'user', old_owner); END IF;
IF new_owner <> 0 AND new_owner IS DISTINCT FROM old_owner THEN
PERFORM public.telesrv_bump_read_model_version('channel_active_memberships', new_owner, 'user', new_owner);
END IF;
END IF;
RETURN NULL;
END;
$$;
DROP FUNCTION IF EXISTS public.telesrv_membership_batch_active();