models.py 文件源码

def getWorkLog(self, contract, month, year):
        try:
            if contract.contract_begin.year > year or \
                            contract.contract_end.year < year or \
                    (contract.contract_begin.year == year and contract.contract_begin.month > month) or \
                    (contract.contract_end.year == year and contract.contract_end.month < month):
                raise ValidationError("Invalid workLog (shouldn't happen)")
            workL = WorkLog.objects.get(contract=contract, month=month, year=year)
            workSum = workL.calcHours()
        except ObjectDoesNotExist:
            workL = WorkLog()
            workL.month = month
            workL.year = year
            workL.contract = contract
            workL.save()
        return workL