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#11: stored function for sale undo transaction

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TMA 2025-04-21 17:06:21 +02:00
parent deb3faa717
commit 028d4d98db
2 changed files with 115 additions and 7 deletions
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20
brmbar3/brmbar/Shop.py
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@ -68,14 +68,20 @@ class Shop:
def undo_sale(self, item, user, amount = 1):
# Undo sale; rarely needed
(buy, sell) = item.currency.rates(self.currency)
cost = amount * sell
profit = amount * (sell - buy)
#(buy, sell) = item.currency.rates(self.currency)
#cost = amount * sell
#profit = amount * (sell - buy)
#transaction = self._transaction(responsible = user, description = "BrmBar sale UNDO of {}x {} to {}".format(amount, item.name, user.name))
#item.debit(transaction, amount, user.name + " (sale undo)")
#user.credit(transaction, cost, item.name + " (sale undo)")
#self.profits.credit(transaction, profit, "Margin repaid on " + item.name)
# Call the stored procedure for undoing a sale
cost = self.db.execute_and_fetch(
"SELECT public.undo_sale_of_item(%s, %s, %s, %s)",
[item.id, amount, user.id, user.currency.id, f"BrmBar sale UNDO of {amount}x {item.name} to {user.name}"]
)[0]#[0]
transaction = self._transaction(responsible = user, description = "BrmBar sale UNDO of {}x {} to {}".format(amount, item.name, user.name))
item.debit(transaction, amount, user.name + " (sale undo)")
user.credit(transaction, cost, item.name + " (sale undo)")
self.profits.credit(transaction, profit, "Margin repaid on " + item.name)
self.db.commit()
return cost