from django.db import models

# Create your models here.


class UserInfo(models.Model):
    nid = models.AutoField(primary_key=True)
    userName = models.CharField(max_length=32, unique=True)
    password = models.CharField(max_length=32)
    email = models.CharField(max_length=32, unique=True)
    ctime 
 
= models.DateTimeField()

class NewsType(models.Model):
    caption = models.CharField(max_length=6)

class News(models.Model):
    title = models.CharField(max_length=32)
    summary = models.CharField(max_length=128, null=True)
    url = models.URLField(null=True)
    ctime = models.DateTimeField(auto_now_add=True)
    user 
 
= models.ForeignKey(to="UserInfo", to_field=‘nid‘, related_name=‘news‘)
    news_type_choices = [
        (1, ‘42區‘),
        (2, ‘段子‘),
        (3, ‘圖片‘),
    ]

    nt = models.IntegerField(choices=news_type_choices)


    favor_count = models.IntegerField(default=0)
    comment_count = models.IntegerField(default=0)

    favor 
 
= models.ManyToManyField(to=‘UserInfo‘)


# class Favor(models.Model):
#     news = models.ForeignKey(to=‘News‘, to_field=‘id‘)
#     user = models.ForeignKey(to=‘UserInfo‘, to_field=‘nid‘)



class Comment(models.Model):
    news = models.ForeignKey(to=‘News‘, to_field=‘id‘)
    user = models.ForeignKey(to=‘UserInfo‘, to_field=‘nid‘)
    content = models.CharField(max_length=150)
    device = models.CharField(max_length=16, null=True)
    ctime = models.DateTimeField(auto_now_add=True)
    parent_comment = models.ForeignKey(to=‘self‘, null=True, related_name=‘cp‘)



"""
====================== 新聞評論 ====================== 

自增id    用戶名     新聞id      評論內容                    父評論

 1        James      11          dssafsaf                  null
 2        Kobe       22          ewqewqweq                 null
 3        Yao        33          afwefewqe                 null
 4        James      22          dhfgdfg                   2(Kobe的自增id,不僅評論了新聞內容,還回復了評論人,所以要記住父評論的id)
 5        James      33          bdfgbsdre                 3(Yao的自增id)
 6        James      44          iuokyuiuku                null


"""

抽屜評論數據庫設計