-- Deploy numerus:product to pg
-- requires: schema_numerus
-- requires: company
-- requires: tax
-- requires: tag_name

begin;

set search_path to numerus, public;

create table product (
	product_id serial primary key,
	company_id integer not null references company,
	slug uuid not null default gen_random_uuid(),
	name text not null constraint name_not_empty check(length(trim(name)) > 0),
	description text not null default '',
	price integer not null,
	tags tag_name[] not null default '{}',
	created_at timestamptz not null default current_timestamp
);

comment on column product.price is
'Price is stored in cents.';

create index on product using gin (tags);

grant select, insert, update, delete on table product to invoicer;
grant select, insert, update, delete on table product to admin;

grant usage on sequence product_product_id_seq to invoicer;
grant usage on sequence product_product_id_seq to admin;

alter table product enable row level security;

create policy company_policy
on product
using (
	exists(
		select 1
		from company_user
		join user_profile using (user_id)
		where company_user.company_id = product.company_id
	)
);

commit;