7.项目准备——用户操作的模型类的创建

用户操作：

1. 用户咨询表
2. 用户收藏表
3. 用户课程表
4. 用户消息表
5. 用户评论表

#operations/models.py
from datetime import datetime
from django.db import models
# Create your models here.
from courses.models import CourseInfo
from users.models import UserProfile


class UserAsk(models.Model):
    name = models.CharField(max_length=30,verbose_name='姓名')
    phone = models.CharField(max_length=11,verbose_name='手机')
    course = models.CharField(max_length=20,verbose_name='课程')
    add_time = models.DateTimeField(default=datetime.now, verbose_name="添加时间")

    def __str__(self):
        return self.name

    class Meta:
        verbose_name = '咨询信息'
        verbose_name_plural = verbose_name

class UserLove(models.Model):
    love_man = models.ForeignKey(UserProfile,verbose_name='收藏用户')
    love_id = models.IntegerField(verbose_name='收藏id')
    love_type = models.IntegerField(choices=((1,'机构'),(2,'课程'),(3,'讲师')),verbose_name='收藏类别')
    love_status = models.BooleanField(default=False,verbose_name='收藏状态')
    add_time = models.DateTimeField(default=datetime.now, verbose_name="收藏时间")

    def __str__(self):
        return self.love_man.username

    class Meta:
        verbose_name = '收藏信息'
        verbose_name_plural = verbose_name

class UserCourse(models.Model):
    study_man = models.ForeignKey(UserProfile,verbose_name='学习用户')
    study_course = models.ForeignKey(CourseInfo,verbose_name='学习课程')
    add_time = models.DateTimeField(default=datetime.now,verbose_name='学习时间')

    def __str__(self):
        return self.study_man.username

    class Meta:
        unique_together = ('study_man','study_course')
        verbose_name = '用户学习课程信息'
        verbose_name_plural = verbose_name

class UserComment(models.Model):
    comment_man = models.ForeignKey(UserProfile,verbose_name='评论用户')
    comment_course = models.ForeignKey(CourseInfo,verbose_name='评论课程')
    comment_content = models.CharField(max_length=300,verbose_name='评论内容')
    add_time = models.DateTimeField(default=datetime.now, verbose_name="评论时间")

    def __str__(self):
        return self.comment_content

    class Meta:
        verbose_name = '用户评论课程信息'
        verbose_name_plural = verbose_name

class UserMessage(models.Model):
    message_man = models.IntegerField(default=0,verbose_name='消息用户')
    message_content = models.CharField(max_length=200,verbose_name='消息内容')
    message_status = models.BooleanField(default=False,verbose_name='消息状态')
    add_time = models.DateTimeField(default=datetime.now, verbose_name="添加时间")

    def __str__(self):
        return self.message_content

    class Meta:
        verbose_name = '用户消息信息'
        verbose_name_plural = verbose_name