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#10: stored function for cash sell transaction

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TMA 2025-04-21 12:22:22 +02:00
parent cef95c4313
commit 4c7012c517
2 changed files with 157 additions and 9 deletions
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25
brmbar3/brmbar/Shop.py
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@ -46,18 +46,25 @@ class Shop:
#return cost
def sell_for_cash(self, item, amount = 1):
# Sale: Currency conversion from item currency to shop currency
(buy, sell) = item.currency.rates(self.currency)
cost = amount * sell
profit = amount * (sell - buy)
cost = self.db.execute_and_fetch(
"SELECT public.sell_item_for_cash(%s, %s, %s, %s, %s)",
[item.id, amount, user.id, self.currency.id, f"BrmBar sale of {amount}x {item.name} for cash"]
)[0]#[0]
transaction = self._transaction(description = "BrmBar sale of {}x {} for cash".format(amount, item.name))
item.credit(transaction, amount, "Cash")
self.cash.debit(transaction, cost, item.name)
self.profits.debit(transaction, profit, "Margin on " + item.name)
self.db.commit()
return cost
## Sale: Currency conversion from item currency to shop currency
#(buy, sell) = item.currency.rates(self.currency)
#cost = amount * sell
#profit = amount * (sell - buy)
#transaction = self._transaction(description = "BrmBar sale of {}x {} for cash".format(amount, item.name))
#item.credit(transaction, amount, "Cash")
#self.cash.debit(transaction, cost, item.name)
#self.profits.debit(transaction, profit, "Margin on " + item.name)
#self.db.commit()
#return cost
def undo_sale(self, item, user, amount = 1):
# Undo sale; rarely needed