#8: stored function to update currency buy rate

This commit is contained in:
Dominik Pantůček 2025-04-20 19:27:02 +02:00
parent 66870bbc8c
commit aded7a5769
2 changed files with 53 additions and 2 deletions

View file

@ -71,7 +71,9 @@ class Currency:
def update_sell_rate(self, target, rate): def update_sell_rate(self, target, rate):
# self.db.execute("INSERT INTO exchange_rates (source, target, rate, rate_dir) VALUES (%s, %s, %s, %s)", [self.id, target.id, rate, "source_to_target"]) # self.db.execute("INSERT INTO exchange_rates (source, target, rate, rate_dir) VALUES (%s, %s, %s, %s)", [self.id, target.id, rate, "source_to_target"])
self.db.execute("SELECT update_currency_sell_rate(%s, %s, %s)", self.db.execute("SELECT public.update_currency_sell_rate(%s, %s, %s)",
[self.id, target.id, rate]) [self.id, target.id, rate])
def update_buy_rate(self, source, rate): def update_buy_rate(self, source, rate):
self.db.execute("INSERT INTO exchange_rates (source, target, rate, rate_dir) VALUES (%s, %s, %s, %s)", [source.id, self.id, rate, "target_to_source"]) # self.db.execute("INSERT INTO exchange_rates (source, target, rate, rate_dir) VALUES (%s, %s, %s, %s)", [source.id, self.id, rate, "target_to_source"])
self.db.execute("SELECT public.update_currency_buy_rate(%s, %s, %s)",
[source.id, self.id, rate])

View file

@ -0,0 +1,49 @@
--
-- 0008-update-currency-buy-rate.sql
--
-- #8 - stored procedure for updating buy rate
--
-- ISC License
--
-- Copyright 2023-2025 Brmlab, z.s.
-- Dominik Pantůček <dominik.pantucek@trustica.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.
--
-- Require fully-qualified names
SELECT pg_catalog.set_config('search_path', '', false);
DO $upgrade_block$
BEGIN
IF brmbar_privileged.has_exact_schema_version(7) THEN
CREATE OR REPLACE FUNCTION public.update_currency_buy_rate(
IN i_currency public.exchange_rates.target%TYPE,
IN i_source public.exchange_rates.source%TYPE,
IN i_rate public.exchange_rates.rate%TYPE
) RETURNS VOID LANGUAGE plpgsql AS $$
BEGIN
INSERT INTO public.exchange_rates(source, target, rate, rate_dir)
VALUES (i_source, i_currency, i_rate, 'target_to_source');
END
$$;
PERFORM brmbar_privileged.upgrade_schema_version_to(8);
END IF;
END;
$upgrade_block$;