numerus/deploy/add_invoice.sql

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-- Deploy numerus:add_invoice to pg
-- requires: schema_numerus
-- requires: invoice
-- requires: company
-- requires: currency
-- requires: parse_price
-- requires: new_invoice_product
-- requires: tax
-- requires: invoice_product
-- requires: invoice_product_product
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-- requires: invoice_product_tax
-- requires: next_invoice_number
-- requires: tag_name
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begin;
set search_path to numerus, public;
create or replace function add_invoice(company integer, invoice_date date, contact_id integer, notes text, payment_method_id integer, tags tag_name[], products new_invoice_product[]) returns uuid as
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$$
declare
iid integer;
pslug uuid;
product new_invoice_product;
ccode text;
ipid integer;
begin
insert into invoice (company_id, invoice_number, invoice_date, contact_id, notes, tags, currency_code, payment_method_id)
select company_id
, next_invoice_number(add_invoice.company, invoice_date)
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, invoice_date
, contact_id
, notes
, tags
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, currency_code
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, add_invoice.payment_method_id
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from company
where company.company_id = add_invoice.company
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returning invoice_id, slug, currency_code
into iid, pslug, ccode;
foreach product in array products
loop
insert into invoice_product (invoice_id, name, description, price, quantity, discount_rate)
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select iid
, product.name
, coalesce(product.description, '')
, parse_price(product.price, currency.decimal_digits)
, product.quantity
, product.discount_rate
from currency
where currency_code = ccode
returning invoice_product_id
into ipid;
if product.product_id is not null then
insert into invoice_product_product (invoice_product_id, product_id)
values (ipid, product.product_id);
end if;
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insert into invoice_product_tax (invoice_product_id, tax_id, tax_rate)
select ipid, tax_id, tax.rate
from tax
join unnest(product.tax) as ptax(tax_id) using (tax_id);
end loop;
return pslug;
end;
$$
language plpgsql;
revoke execute on function add_invoice(integer, date, integer, text, integer, tag_name[], new_invoice_product[]) from public;
grant execute on function add_invoice(integer, date, integer, text, integer, tag_name[], new_invoice_product[]) to invoicer;
grant execute on function add_invoice(integer, date, integer, text, integer, tag_name[], new_invoice_product[]) to admin;
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commit;