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#18: stored function for "fixing cash" transaction

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TMA 2025-04-21 21:14:34 +02:00
parent c21b394b42
commit f0058aad68
2 changed files with 84 additions and 17 deletions
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41
brmbar3/brmbar/Shop.py
View file

@ -235,24 +235,31 @@ class Shop:
# return False # return False
def fix_cash(self, amount): def fix_cash(self, amount):
amount_in_reality = amount rv = self.db.execute_and_fetch(
amount_in_system = self.cash.balance() "SELECT public.fix_cash(%s, %s, %s, %s)",
[self.excess.id, self.deficit.id, self.currency.id, amount]
)[0]
diff = abs(amount_in_reality - amount_in_system) self.db.commit()
if amount_in_reality > amount_in_system: return rv
transaction = self._transaction(description = "BrmBar cash inventory fix of {} in system to {} in reality".format(amount_in_system, amount_in_reality)) #amount_in_reality = amount
self.cash.debit(transaction, diff, "Inventory fix excess") #amount_in_system = self.cash.balance()
self.excess.credit(transaction, diff, "Inventory cash fix excess.")
self.db.commit() #diff = abs(amount_in_reality - amount_in_system)
return True #if amount_in_reality > amount_in_system:
elif amount_in_reality < amount_in_system: # transaction = self._transaction(description = "BrmBar cash inventory fix of {} in system to {} in reality".format(amount_in_system, amount_in_reality))
transaction = self._transaction(description = "BrmBar cash inventory fix of {} in system to {} in reality".format(amount_in_system, amount_in_reality)) # self.cash.debit(transaction, diff, "Inventory fix excess")
self.cash.credit(transaction, diff, "Inventory fix deficit") # self.excess.credit(transaction, diff, "Inventory cash fix excess.")
self.deficit.debit(transaction, diff, "Inventory fix deficit.") # self.db.commit()
self.db.commit() # return True
return True #elif amount_in_reality < amount_in_system:
else: # transaction = self._transaction(description = "BrmBar cash inventory fix of {} in system to {} in reality".format(amount_in_system, amount_in_reality))
return False # self.cash.credit(transaction, diff, "Inventory fix deficit")
# self.deficit.debit(transaction, diff, "Inventory fix deficit.")
# self.db.commit()
# return True
#else:
# return False
def consolidate(self): def consolidate(self):
msg = self.db.execute_and_fetch( msg = self.db.execute_and_fetch(

60
brmbar3/schema/0018-shop-fix-cash.sql Normal file
View file

@ -0,0 +1,60 @@
--
-- 0018-shop-fix-cash.sql
--
-- #18 - stored function for "fixing cash" transaction
--
-- ISC License
--
-- Copyright 2023-2025 Brmlab, z.s.
-- TMA <tma+hs@jikos.cz>
--
-- Permission to use, copy, modify, and/or distribute this software
-- for any purpose with or without fee is hereby granted, provided
-- that the above copyright notice and this permission notice appear
-- in all copies.
--
-- THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
-- WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
-- WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
-- AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR
-- CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
-- OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
-- NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
-- CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
--
-- To require fully-qualified names
SELECT pg_catalog.set_config('search_path', '', false);
DO $upgrade_block$
BEGIN
IF brmbar_privileged.has_exact_schema_version(17) THEN
CREATE OR REPLACE FUNCTION public.fix_cash(
IN i_excess_id public.acounts.id%TYPE,
IN i_deficit_id public.acounts.id%TYPE,
IN i_shop_currency_id public.currencies.id%TYPE,
IN i_amount_in_reality NUMERIC
) RETURNS BOOLEAN
VOLATILE NOT LEAKPROOF LANGUAGE plpgsql AS $fn$
BEGIN
RETURN brmbar_privileged.fix_account_balance(
1,
1,
i_excess_id,
i_deficit_id,
i_shop_currency_id,
i_amount_in_reality
);
END;
$fn$;
PERFORM brmbar_privileged.upgrade_schema_version_to(18);
END IF;
END;
$upgrade_block$;
-- vim: set ft=plsql :