def try_transact_funds(from_username, to_username, amount, bid=None):
""" Returns (success, msg) tuple """
try:
from_prof = User.objects.get(username=from_username).profile
to_prof = User.objects.get(username=to_username).profile
except User.DoesNotExist:
log_error.error("Tried to transact funds with non-existing user")
try:
_lock_dat_shit(from_prof, 'credits')
_lock_dat_shit(to_prof, 'credits')
if (from_prof.credits < amount):
if from_username == 'EXCHANGE': # if the exchange runs out, re-up it
from_prof.credits += 10000 + amount # in case transaction is more than 10000
else:
return (False, "Not enough credits")
#TODO think of more ways this could go wrong
record_transaction(from_username, to_username, amount, datetime.now(), bid)
from_prof.credits -= amount
to_prof.credits += amount
# saves in finally block
return (True, "success")
except Exception, msg:
return (False, "Something went wrong")
def add_credit_backdoor(username, amount):
""" Use try_transact_credits to make all transactions except backdoor bonuses """
user = User.objects.get(username=username)
user_profile = user.profile
_lock_dat_shit(user_profile, 'credits')
try:
# safety zone start
user_profile.credits += amount
record_transaction('EXCHANGE', username, amount, datetime.now(), None)
finally:
user_profile.save()