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Use atomic balance update

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Trever Fischer
2012-04-11 15:04:55 -04:00
parent 980c14d0a1
commit 1084d7a519
1 changed files with 2 additions and 1 deletions
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3
api/handlers.py
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@@ -3,6 +3,7 @@ from django.core.cache import cache
from minecraft.models import MinecraftProfile from minecraft.models import MinecraftProfile
from local.models import Quote from local.models import Quote
from minecraft.models import MOTD, Server, PlayerSession from minecraft.models import MOTD, Server, PlayerSession
from django.db.models import F
from django.http import HttpResponse from django.http import HttpResponse
from urllib2 import urlopen from urllib2 import urlopen
import json import json
@@ -102,7 +103,7 @@ class EconomyHandler(BaseHandler):
delta = request.POST['delta'] delta = request.POST['delta']
newBalance = player.currencyaccount.balance+float(delta) newBalance = player.currencyaccount.balance+float(delta)
if newBalance >= 0: if newBalance >= 0:
player.currencyaccount.balance = newBalance player.currencyaccount.balance = F('balance')+float(delta)
player.currencyaccount.save() player.currencyaccount.save()
return {'success': True, 'balance': newBalance, 'message': ""} return {'success': True, 'balance': newBalance, 'message': ""}
else: else: