天天生鲜（一） 表设计

APP: goods

from django.db import models
from db.base_model import BaseModel
from tinymce.models import HTMLField


# Create your models here.


# 商品类型
class GoodsType(BaseModel):
    name = models.CharField(max_length=20, verbose_name='种类名称')
    logo = models.CharField(max_length=20, verbose_name='标识')
    image = models.ImageField(upload_to='type', verbose_name='商品类型图片')

    class Meta:
        db_table = 'df_goods_type'
        verbose_name = '商品种类'
        verbose_name_plural = verbose_name

    def __str__(self):
        return self.name

    # 获取类型下的商品
    def get_type_goods(self):
        return self.goodssku_set.all()


# 商品SKU
class GoodsSKU(BaseModel):
    status_choices = (
        (0, '下线'),
        (1, '上线'),
    )
    type = models.ForeignKey('GoodsType', verbose_name='商品种类')
    goods = models.ForeignKey('Goods', verbose_name='商品SPU')
    name = models.CharField(max_length=20, verbose_name='商品名称')
    desc = models.CharField(max_length=256, verbose_name='商品简介')
    price = models.DecimalField(max_digits=10, decimal_places=2, verbose_name='商品价格')
    unite = models.CharField(max_length=20, verbose_name='商品单位')
    image = models.ImageField(upload_to='goods', verbose_name='商品图片')
    stock = models.IntegerField(default=1, verbose_name='商品库存')
    sales = models.IntegerField(default=0, verbose_name='商品销量')
    status = models.SmallIntegerField(default=1, choices=status_choices, verbose_name='商品状态')

    class Meta:
        db_table = 'df_goods_sku'
        verbose_name = '商品'
        verbose_name_plural = verbose_name

    def __str__(self):
        return self.name


# 商品SPU
class Goods(BaseModel):
    name = models.CharField(max_length=20, verbose_name='商品SPU名称')
    # 富文本类型:带有格式的文本
    detail = HTMLField(blank=True, verbose_name='商品详情')

    class Meta:
        db_table = 'df_goods'
        verbose_name = '商品SPU'
        verbose_name_plural = verbose_name


# 商品图片
class GoodsImage(BaseModel):
    sku = models.ForeignKey('GoodsSKU', verbose_name='商品')
    image = models.ImageField(upload_to='goods', verbose_name='图片路径')

    class Meta:
        db_table = 'df_goods_image'
        verbose_name = '商品图片'
        verbose_name_plural = verbose_name


# 首页轮播商品展示
class IndexGoodsBanner(BaseModel):
    sku = models.ForeignKey('GoodsSKU', verbose_name='商品')
    image = models.ImageField(upload_to='banner', verbose_name='图片')
    index = models.SmallIntegerField(default=0, verbose_name='展示顺序')

    class Meta:
        db_table = 'df_index_banner'
        verbose_name = '首页轮播商品'
        verbose_name_plural = verbose_name


# 首页分类商品展示(SKU)
class IndexTypeGoodsBanner(BaseModel):
    DISPLAY_TYPE_CHOICES = (
        (0, "标题"),
        (1, "图片")
    )

    type = models.ForeignKey('GoodsType', verbose_name='商品类型')
    sku = models.ForeignKey('GoodsSKU', verbose_name='商品SKU')
    display_type = models.SmallIntegerField(default=1, choices=DISPLAY_TYPE_CHOICES, verbose_name='展示类型')
    index = models.SmallIntegerField(default=0, verbose_name='展示顺序')

    class Meta:
        db_table = 'df_index_type_goods'
        verbose_name = "主页分类展示商品"
        verbose_name_plural = verbose_name


# 首页促销活动
class IndexPromotionBanner(BaseModel):
    name = models.CharField(max_length=20, verbose_name='活动名称')
    url = models.URLField(verbose_name='活动链接')
    image = models.ImageField(upload_to='banner', verbose_name='活动图片')
    index = models.SmallIntegerField(default=0, verbose_name='展示顺序')

    class Meta:
        db_table = 'df_index_promotion'
        verbose_name = "主页促销活动"
        verbose_name_plural = verbose_name

APP: order

from django.db import models
from db.base_model import BaseModel


# 订单模型类
class OrderInfo(BaseModel):
    PAY_METHOD_CHOICES = (
        (1, '货到付款'),
        (2, '微信支付'),
        (3, '支付宝'),
        (4, '银联支付')
    )

    ORDER_STATUS_CHOICES = (
        (1, '待支付'),
        (2, '待发货'),
        (3, '待收货'),
        (4, '待评价'),
        (5, '已完成')
    )

    order_id = models.CharField(max_length=128, primary_key=True, verbose_name='订单id')
    user = models.ForeignKey('user.User', verbose_name='用户')
    address = models.ForeignKey('user.Address', verbose_name='地址')
    pay_method = models.SmallIntegerField(choices=PAY_METHOD_CHOICES, default=3, verbose_name='支付方式')
    total_count = models.IntegerField(default=1, verbose_name='商品数量')
    total_price = models.DecimalField(max_digits=10, decimal_places=2, verbose_name='商品总价')
    transit_price = models.DecimalField(max_digits=10, decimal_places=2,verbose_name='订单运费')
    order_status = models.SmallIntegerField(choices=ORDER_STATUS_CHOICES, default=1, verbose_name='订单状态')
    trade_no = models.CharField(max_length=128, verbose_name='支付编号')

    class Meta:
        db_table = 'df_order_info'
        verbose_name = '订单'
        verbose_name_plural = verbose_name

    # 该订单下的所有商品
    def get_order_goods(self):
        return self.ordergoods_set.all()


# 订单商品模型类
class OrderGoods(BaseModel):

    order = models.ForeignKey('OrderInfo', verbose_name='订单')
    sku = models.ForeignKey('goods.GoodsSKU', verbose_name='商品SKU')
    count = models.IntegerField(default=1, verbose_name='商品数目')
    price = models.DecimalField(max_digits=10, decimal_places=2, verbose_name='商品价格')
    comment = models.CharField(max_length=256, verbose_name='评论')

    class Meta:
        db_table = 'df_order_goods'
        verbose_name = '订单商品'
        verbose_name_plural = verbose_name

APP: user

from django.db import models
from django.contrib.auth.models import AbstractUser
from db.base_model import BaseModel


# 用户模型类
class User(AbstractUser, BaseModel):

    class Meta:
        db_table = 'df_user'
        verbose_name = '用户'
        verbose_name_plural = verbose_name


# 地址模型类
class Address(BaseModel):

    user = models.ForeignKey('User', verbose_name='所属账户')
    receiver = models.CharField(max_length=20, verbose_name='收件人')
    address = models.CharField(max_length=256, verbose_name='收件地址')
    zip_code = models.CharField(max_length=6, null=True, verbose_name='邮政编码')
    phone = models.CharField(max_length=11, verbose_name='联系电话')
    is_default = models.BooleanField(default=False, verbose_name='是否默认')

    class Meta:
        db_table = 'df_address'
        verbose_name = '地址'
        verbose_name_plural = verbose_name