杀手级xadmin开发在线教育网站2_需求分析和表结构设计4_机构model的设计

课程机构models

from django.db import models
from apps.users.models import BaseModel


class City(BaseModel):
    name = models.CharField(max_length=20, verbose_name='城市')
    desc = models.CharField(max_length=200, verbose_name='描述')

    class Meta:
        verbose_name = '城市'
        verbose_name_plural = verbose_name


class CourseOrg(BaseModel):
    name = models.CharField(max_length=50, verbose_name='机构名称')
    desc = models.TextField(verbose_name='描述')
    tag = models.CharField(default='全国知名', max_length=10, verbose_name='机构标签')
    category = models.CharField(default='pxjp', verbose_name='机构类别', max_length=4,
                                choices=(('pxjg', '培训机构'), ('gr', '个人'), ('gx', '高校')))

    click_nums = models.IntegerField(default=0, verbose_name='点击数')
    fav_nums = models.IntegerField(default=0, verbose_name='收藏数')
    image = models.ImageField(upload_to='org/%Y/%m', verbose_name='logo', max_length=100)
    address = models.CharField(max_length=150, verbose_name="机构地址")
    students = models.IntegerField(default=0, verbose_name="学习人数")
    course_nums = models.IntegerField(default=0, verbose_name="课程数")
    city = models.ForeignKey(City, on_delete=models.CASCADE, verbose_name='所在城市')

    class Meta:
        verbose_name = '课程机构'
        verbose_name_plural = verbose_name


class Teacher(BaseModel):
    org = models.ForeignKey(CourseOrg, on_delete=models.CASCADE, verbose_name="所属机构")
    name = models.CharField(max_length=50, verbose_name="教师名")
    work_years = models.IntegerField(default=0, verbose_name="工作年限")
    work_company = models.CharField(max_length=50, verbose_name="就职公司")
    work_position = models.CharField(max_length=50, verbose_name="公司职位")
    points = models.CharField(max_length=50, verbose_name="教学特点")
    click_nums = models.IntegerField(default=0, verbose_name="点击数")  # 人气排序用
    fav_nums = models.IntegerField(default=0, verbose_name="收藏数")
    age = models.IntegerField(default=18, verbose_name="年龄")
    image = models.ImageField(upload_to="teacher/%Y/%m", verbose_name="头像", max_length=100)

    class Meta:
        verbose_name = '教师'
        verbose_name_plural = verbose_name

所在城市若使用CharField的话，在之后更新城市的时候不方便，得修改源代码，所以创建了city类。

创建完成后，再将Course的model的外键完善一下。（eg.课程属于哪一个老师）

添加以下两行代码

from apps.organizations.models import Teacher

teacher = models.ForeignKey(Teacher, on_delete=models.CASCADE, verbose_name='讲师')