#coding=utf-8
import logging
import datetime

import account.password_handle as ph
from django.db.models import Q

import common.error_info as ce
import common.models as cm

logger = logging.getLogger(__name__)


class AccountManage(object):

    def authenticate(self,request,account,pwd):
        """
        @attention: 用户认证
        """

        user = cm.SysUserInfo.objects.filter(Q(name=account)).first()
        if user is not None:
            if self.user_can_authenticate(user):
                if ph.check_password(pwd, user.password):
                    return user
                else:
                    raise ce.TipException("账号或密码错误")
            else:
                raise ce.TipException("账户已停用")
        else:
            raise ce.TipException("账号或密码错误")

    def user_can_authenticate(self, user):
        """
        @attention: 账户是否已经激活
        """
        is_active = getattr(user, 'is_active', None)
        return is_active == 1
    
    def get_user(self, pk):
        """
        @attention: 由于在django系统中,每次request都是一个独立的请求，所以每次进入时第一次使用,都会调用该函数
        """
        try:
            user = cm.SysUserInfo.objects.get(pk=pk)
        except cm.SysUserInfo.DoesNotExist:
            return None
        return user