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Currency.py: remove unused methods - rates2, convert

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Dominik Pantůček 2025-08-28 16:58:33 +02:00
parent 92deae6775
commit f6128ecc4a
1 changed files with 0 additions and 51 deletions
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51
brmbar3/brmbar/Currency.py
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@ -67,57 +67,6 @@ class Currency:
return (buy, sell)
def rates2(self, other):
# the original code for compare testing
res = self.db.execute_and_fetch(
"SELECT rate, rate_dir FROM exchange_rates WHERE target = %s AND source = %s AND valid_since <= NOW() ORDER BY valid_since DESC LIMIT 1",
[self.id, other.id],
)
if res is None:
raise NameError(
"Currency.rate(): Unknown conversion "
+ other.name()
+ " to "
+ self.name()
)
buy_rate, buy_rate_dir = res
buy = buy_rate if buy_rate_dir == "target_to_source" else 1 / buy_rate
res = self.db.execute_and_fetch(
"SELECT rate, rate_dir FROM exchange_rates WHERE target = %s AND source = %s AND valid_since <= NOW() ORDER BY valid_since DESC LIMIT 1",
[other.id, self.id],
)
if res is None:
raise NameError(
"Currency.rate(): Unknown conversion "
+ self.name()
+ " to "
+ other.name()
)
sell_rate, sell_rate_dir = res
sell = sell_rate if sell_rate_dir == "source_to_target" else 1 / sell_rate
return (buy, sell)
def convert(self, amount, target):
res = self.db.execute_and_fetch(
"SELECT rate, rate_dir FROM exchange_rates WHERE target = %s AND source = %s AND valid_since <= NOW() ORDER BY valid_since DESC LIMIT 1",
[target.id, self.id],
)
if res is None:
raise NameError(
"Currency.convert(): Unknown conversion "
+ self.name()
+ " to "
+ target.name()
)
rate, rate_dir = res
if rate_dir == "source_to_target":
resamount = amount * rate
else:
resamount = amount / rate
return resamount
def str(self, amount):
return "{:.2f} {}".format(amount, self.name)