[py]operation模型设计

用户表

UserAsk        用户咨询
CourseComments 用户评论
UserFavorite   用户收藏
UserMesasage   用户消息
UserCourse     用户学习的课程

收藏有3种类型

代码

from django.db import models
from datetime import datetime
from users.models import UserProfile
from courses.models import Course


# Create your models here.
class UserAsk(models.Model):
    name = models.CharField(max_length=20, verbose_name="姓名")
    mobile = models.CharField(max_length=11, verbose_name="手机号")
    course_name = models.CharField(max_length=50, verbose_name="课程名")
    add_time = models.DateTimeField(default=datetime.now, verbose_name="添加时间")

    class Meta:
        verbose_name = "用户咨询"
        verbose_name_plural = verbose_name


class CourseComments(models.Model):
    user = models.ForeignKey(UserProfile, verbose_name="用户")
    course = models.ForeignKey(Course, verbose_name="课程")
    comments = models.CharField(max_length=200, verbose_name="评论")
    add_time = models.DateTimeField(default=datetime.now, verbose_name="添加时间")

    class Meta:
        verbose_name = "课程评论"
        verbose_name_plural = verbose_name


class UserFavorite(models.Model):
    user = models.ForeignKey(UserProfile, verbose_name="用户")
    course = models.ForeignKey(Course, verbose_name="用户")
    # teacher = 可以用外键
    # org =
    # fav_type =
    fav_id = models.IntegerField(default=0, verbose_name="数据id")
    fav_type = models.IntegerField(choices=((1, "课程"), (2, "课程结构"), (3, "讲师"),), default=1, verbose_name="收藏类型")
    add_time = models.DateTimeField(default=datetime.now, verbose_name="添加时间")

    class Meta:
        verbose_name = "用户收藏"
        verbose_name_plural = verbose_name


class UserMessage(models.Model):
    # 0表示发给所有用户,  user = 非0, 发给某个用户的
    user = models.IntegerField(default=0, verbose_name="接收用户")
    message = models.CharField(max_length=500, verbose_name="消息内容")
    has_read = models.BooleanField(default=False, verbose_name="是否已读")
    add_time = models.DateTimeField(default=datetime.now, verbose_name="发送时间")

    class Meta:
        verbose_name = "用户消息"
        verbose_name_plural = verbose_name


class UserCourse(models.Model):
    user = models.ForeignKey(UserProfile, verbose_name="用户")
    course = models.ForeignKey(Course, verbose_name="用户")
    add_time = models.DateTimeField(default=datetime.now, verbose_name="添加时间")

    class Meta:
        verbose_name = "用户课程"
        verbose_name_plural = verbose_name