from django.db import models
import django.utils.timezone as timezone
from rbac.models import SoftCommonModel, CommonModel
from question.models import Questioncat
# Create your models here.

class Company(SoftCommonModel):
    """
    客户企业
    """
    name = models.CharField(max_length=60, verbose_name="名称", unique=True)
    pid = models.ForeignKey("self", null=True, blank=True, on_delete=models.SET_NULL, verbose_name="父")

    class Meta:
        verbose_name = "客户企业"
        verbose_name_plural = verbose_name

    def __str__(self):
        return self.name
    
class Consumer(SoftCommonModel):
    """
    学员
    """
    name = models.CharField(max_length=200, verbose_name="姓名")
    username = models.CharField(max_length=11, default="", verbose_name="手机号码/邮箱", unique=True)
    company = models.ForeignKey("Company", null=True, blank=True, on_delete=models.SET_NULL, verbose_name="所属单位")
    openid = models.CharField(max_length=200, verbose_name="openid", null=True, blank=True, unique=True)
    avatar = models.CharField(default="/media/default/avatar.png",max_length=1000, null=True, blank=True, verbose_name="头像")
    nickname = models.CharField(max_length=200, verbose_name="昵称", null=True, blank=True)
    subjects = models.ManyToManyField(Questioncat, verbose_name="付费学科", through="PaySubject")


    class Meta:
        verbose_name = "客户"
        verbose_name_plural = verbose_name

    def __str__(self):
        return self.name

class PaySubject(CommonModel):
    '''
    付费学科关联表
    '''
    consumer = models.ForeignKey(Consumer, on_delete=models.CASCADE)
    subject = models.ForeignKey(Questioncat, on_delete=models.CASCADE)