def get_loan_to_save(data, amount = None, lid = None):
if not lid:
l = Loan.objects.get(pk=data['loan.id'])
else:
l = Loan.objects.get(pk=lid)
if not amount:
amount = round(l.amount / l.instalments,2)
if amount > l.remain:
amount = l.remain
validate_amount(amount)
if param_exist("id",data):
p = Payment.objects.get(pk=data['id'])
prevAmount = p.amount
else:
p = Payment(loan=l)
prevAmount = None
if checkPayment(l,amount,prevAmount):
if prevAmount:
diff = float(prevAmount) - float(amount)
l.remain = unicode(float(l.remain) + diff)
else:
l.remain = unicode(float(l.remain) - float(amount))
p.amount=amount
p.date=DateService.parseDate(data['date'])
else:
raise ValidationError(_('The entered amount is greater than the amount owed.'))
return (l,p)
p = Payment.objects.get(pk=req['id'])
prevAmount = p.amount
else:
p = Payment(loan=l)
prevAmount = None
if checkPayment(l,amount,prevAmount):
if prevAmount:
diff = float(prevAmount) - float(amount)
l.remain = unicode(float(l.remain) + diff)
else:
l.remain = unicode(float(l.remain) - float(amount))
p.amount=amount
p.date=DateService.parseDate(req['date'])
try:
l.save()
except _mysql_exceptions.Warning:
pass
try:
p.save()
except _mysql_exceptions.Warning:
pass
except Exception, e1:
data = '{"success":false, "msg": "%s"}' % (e1.args)
else:
data = '{"success":false, "msg": "%s"}' % (_('The entered amount is greater than the amount owed.'))
return data
