camper/test/draft_payment.sql

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Add payment relation and use it to compute the booking’s cart I had to add the payment concept separate from the booking, unlike other eCommerce solutions that subsume the two into a single “order”, like WooCommerce, because bookings should be done in a separate Camper instance that will sync to the public instance, but the payment is done by the public instance. There will be a queue or something between the public and the private instance to pass along the booking information once the payment is complete, but the public instance still needs to keep track of payments without creating bookings. To compute the total for that payment i had to do the same as was doing until now for the cart. To prevent duplications, or having functions with complex return types, i now create a “draft” payment while the user is filling in the form, and compute the cart there; from Go i only have to retrieve the data from the relation, that simplifies the work, actually. Since the payment is computed way before customers enter their details, i can not have that data in the same payment relation, unless i allow NULL values. Allowing NULL values means that i can create a payment without customer, thus i moved all customer details to a separate relation. It still allows payment without customer, but at least there are no NULL values. Draft payments should be removed after a time, but i believe this needs to be done in a cronjob or similar, not in the Go application. To update the same payment while filling the same booking form, i now have a hidden field with the payment slug. A competent developer would have used a cookie or something like that; i am not competent.
2024-02-12 04:21:00 +00:00
-- Test draft_payment
set client_min_messages to warning;
create extension if not exists pgtap;
reset client_min_messages;
begin;
select plan(13);
set search_path to camper, public;
select has_function('camper', 'draft_payment', array['uuid', 'date', 'date', 'uuid', 'integer', 'integer', 'integer', 'integer', 'text', 'option_units[]']);
select function_lang_is('camper', 'draft_payment', array['uuid', 'date', 'date', 'uuid', 'integer', 'integer', 'integer', 'integer', 'text', 'option_units[]'], 'plpgsql');
select function_returns('camper', 'draft_payment', array['uuid', 'date', 'date', 'uuid', 'integer', 'integer', 'integer', 'integer', 'text', 'option_units[]'], 'uuid');
select isnt_definer('camper', 'draft_payment', array['uuid', 'date', 'date', 'uuid', 'integer', 'integer', 'integer', 'integer', 'text', 'option_units[]']);
select volatility_is('camper', 'draft_payment', array['uuid', 'date', 'date', 'uuid', 'integer', 'integer', 'integer', 'integer', 'text', 'option_units[]'], 'volatile');
select function_privs_are('camper', 'draft_payment', array ['uuid', 'date', 'date', 'uuid', 'integer', 'integer', 'integer', 'integer', 'text', 'option_units[]'], 'guest', array['EXECUTE']);
select function_privs_are('camper', 'draft_payment', array ['uuid', 'date', 'date', 'uuid', 'integer', 'integer', 'integer', 'integer', 'text', 'option_units[]'], 'employee', array['EXECUTE']);
select function_privs_are('camper', 'draft_payment', array ['uuid', 'date', 'date', 'uuid', 'integer', 'integer', 'integer', 'integer', 'text', 'option_units[]'], 'admin', array['EXECUTE']);
select function_privs_are('camper', 'draft_payment', array ['uuid', 'date', 'date', 'uuid', 'integer', 'integer', 'integer', 'integer', 'text', 'option_units[]'], 'authenticator', array[]::text[]);
set client_min_messages to warning;
truncate payment_option cascade;
truncate payment cascade;
truncate campsite_type_option_cost cascade;
truncate campsite_type_option cascade;
truncate campsite_type_pet_cost cascade;
truncate campsite_type_cost cascade;
truncate campsite_type cascade;
truncate media cascade;
truncate media_content cascade;
truncate season_calendar cascade;
truncate season cascade;
truncate company cascade;
reset client_min_messages;
insert into company (company_id, business_name, vatin, trade_name, phone, email, web, address, city, province, postal_code, rtc_number, tourist_tax, country_code, currency_code, default_lang_tag)
values (2, 'Company 2', 'XX123', '', '555-555-555', 'a@a', '', '', '', '', '', '', 350, 'ES', 'EUR', 'ca')
;
insert into season (season_id, company_id, name)
values (4, 2, 'High')
, (6, 2, 'Shoulder')
, (8, 2, 'Offseason')
;
insert into season_calendar (season_id, season_range)
values (4, '[2024-07-01,2024-08-30)')
, (6, '[2024-08-30,2024-09-03)')
, (8, '[2024-09-03,2024-09-08)')
;
insert into media_content (media_type, bytes)
values ('image/x-xpixmap', 'static char *s[]={"1 1 1 1","a c #ffffff","a"};')
;
insert into media (media_id, company_id, original_filename, content_hash)
values (10, 2, 'cover2.xpm', sha256('static char *s[]={"1 1 1 1","a c #ffffff","a"};'))
;
insert into campsite_type (campsite_type_id, slug, company_id, name, media_id, max_campers, bookable_nights, overflow_allowed)
values (12, 'c1b6f4fc-32c1-4cd5-b796-0c5059152a52', 2, 'Plots', 10, 6, '[1, 7]', true)
, (14, 'b065f4e3-2cc8-491d-a413-d015d7d00183', 2, 'Bungalow', 10, 6, '[1, 7]', false)
;
insert into campsite_type_cost (campsite_type_id, season_id, cost_per_night, cost_per_adult, cost_per_teenager, cost_per_child)
values (12, 4, 400, 795, 795, 640)
, (12, 6, 200, 740, 740, 590)
, (12, 8, 0, 660, 660, 540)
, (14, 4, 17000, 0, 0, 0)
, (14, 6, 13500, 0, 0, 0)
, (14, 8, 10500, 0, 0, 0)
;
insert into campsite_type_pet_cost (campsite_type_id, cost_per_night)
values (12, 350)
;
insert into campsite_type_option (campsite_type_option_id, campsite_type_id, name, range, per_night)
values (16, 12, 'Big tent', '[0, 4)', true)
, (18, 12, 'Car', '[0, 4)', true)
, (20, 12, 'Electricity', '[0, 5)', false)
;
insert into campsite_type_option_cost (campsite_type_option_id, season_id, cost)
values (16, 4, 800)
, (16, 6, 720)
, (16, 8, 620)
, (18, 4, 700)
, (18, 6, 630)
, (18, 8, 530)
, (20, 4, 690)
, (20, 6, 610)
, (20, 8, 590)
;
insert into payment (payment_id, slug, company_id, campsite_type_id, arrival_date, departure_date, subtotal_nights, number_adults, subtotal_adults, number_teenagers, subtotal_teenagers, number_children, subtotal_children, number_dogs, subtotal_dogs, subtotal_tourist_tax, total, zone_preferences, created_at, updated_at)
values (22, '7cccfe16-695e-486d-a6a5-1162fb85cafb', 2, 12, '2024-08-30', '2024-09-01', 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, '', '2024-01-01 01:01:01', '2024-01-01 01:01:01')
;
insert into payment_option (payment_id, campsite_type_option_id, units, subtotal)
values (22, 16, 1, 0)
, (22, 18, 1, 0)
;
select lives_ok(
$$ select draft_payment(null, '2024-08-29', '2024-09-03', 'b065f4e3-2cc8-491d-a413-d015d7d00183', 1, 2, 3, 0, null, null) $$,
'Should be able to create a new draft for Bungalows'
);
select lives_ok(
$$ select draft_payment('7cccfe16-695e-486d-a6a5-1162fb85cafb', '2024-08-28', '2024-09-04', 'c1b6f4fc-32c1-4cd5-b796-0c5059152a52', 2, 4, 6, 3, 'pref I before E', array[(16, 2), (20, 3)]::option_units[]) $$,
'Should be able to update the draft for Plots'
);
select bag_eq(
$$ select company_id, campsite_type_id, arrival_date::text, departure_date::text, subtotal_nights, number_adults, subtotal_adults, number_teenagers, subtotal_teenagers, number_children, subtotal_children, number_dogs, subtotal_dogs, subtotal_tourist_tax, total, zone_preferences, created_at, updated_at from payment $$,
$$ values (2, 12, '2024-08-28', '2024-09-04', 3200, 2, 10420, 4, 20840, 6, 25080, 3, 2450, 4900, 79160, 'pref I before E', '2024-01-01 01:01:01', current_timestamp)
, (2, 14, '2024-08-29', '2024-09-03', 71000, 1, 0, 2, 0, 3, 0, 0, 0, 1750, 72750, '', current_timestamp, current_timestamp)
$$,
'Should have added and updated payments'
);
select bag_eq(
$$ select payment_id, campsite_type_option_id, units, subtotal from payment_option $$,
$$ values (22, 16, 2, 10200)
, (22, 20, 3, 2070)
$$,
'Should have added, updated, and removed payment options'
);
select *
from finish();
rollback;